cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
/* Loop unswitching.
|
2017-01-01 13:07:43 +01:00
|
|
|
Copyright (C) 2004-2017 Free Software Foundation, Inc.
|
2009-11-25 11:55:54 +01:00
|
|
|
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
This file is part of GCC.
|
2009-11-25 11:55:54 +01:00
|
|
|
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
GCC is free software; you can redistribute it and/or modify it
|
|
|
|
under the terms of the GNU General Public License as published by the
|
2007-07-26 10:37:01 +02:00
|
|
|
Free Software Foundation; either version 3, or (at your option) any
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
later version.
|
2009-11-25 11:55:54 +01:00
|
|
|
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
GCC is distributed in the hope that it will be useful, but WITHOUT
|
|
|
|
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
|
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
|
|
for more details.
|
2009-11-25 11:55:54 +01:00
|
|
|
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
You should have received a copy of the GNU General Public License
|
2007-07-26 10:37:01 +02:00
|
|
|
along with GCC; see the file COPYING3. If not see
|
|
|
|
<http://www.gnu.org/licenses/>. */
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
|
|
|
|
#include "config.h"
|
|
|
|
#include "system.h"
|
|
|
|
#include "coretypes.h"
|
2015-07-08 02:53:03 +02:00
|
|
|
#include "backend.h"
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
#include "tree.h"
|
2015-07-08 02:53:03 +02:00
|
|
|
#include "gimple.h"
|
2015-10-29 14:57:32 +01:00
|
|
|
#include "tree-pass.h"
|
2015-07-08 02:53:03 +02:00
|
|
|
#include "ssa.h"
|
genattrtab.c (write_header): Include hash-set.h...
2015-01-09 Michael Collison <michael.collison@linaro.org>
* genattrtab.c (write_header): Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h when generating
insn-attrtab.c.
* genautomata.c (main) : Include hash-set.h, macInclude hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h when generating
insn-automata.c.
* genemit.c (main): Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h when generating
insn-emit.c.
* gengtype.c (open_base_files): Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h when generating
gtype-desc.c.
* genopinit.c (main): Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h when generating
insn-opinit.c.
* genoutput.c (output_prologue): Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h when generating
insn-output.c.
* genpeep.c (main): Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h when generating
insn-peep.c.
* genpreds.c (write_insn_preds_c): Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h when generating
insn-preds.c.
* optc-save-gen-awk: Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h when generating
options-save.c.
* opth-gen.awk: Change include guard from GCC_C_COMMON_H to GCC_C_COMMON_C
when generating options.h.
* ada/gcc-interface/cuintp.c: Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h,
fold-const.h, wide-int.h, and inchash.h due to
flattening of tree.h.
* ada/gcc-interface/decl.c: ditto.
* ada/gcc-interface/misc.c: ditto.
* ada/gcc-interface/targtyps.c: Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h,
fold-const.h, wide-int.h, and inchash.h due to
flattening of tree.h.
* ada/gcc-interface/trans.c: Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, real.h,
fold-const.h, wide-int.h, inchash.h due to
flattening of tree.h.
* ada/gcc-interface/utils.c: Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h,
fold-const.h, wide-int.h, and inchash.h due to
flattening of tree.h.
* ada/gcc-interface/utils2.c: ditto.
* alias.c: Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h due to
flattening of tree.h.
* asan.c: ditto.
* attribs.c: ditto.
* auto-inc-dec.c: ditto.
* auto-profile.c: ditto
* bb-reorder.c: ditto.
* bt-load.c: Include symtab.h due to flattening of tree.h.
* builtins.c: Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h due to
flattening of tree.h.
* c/c-array-notation.c: ditto.
* c/c-aux-info.c: ditto.
* c/c-convert.c: ditto.
* c/c-decl.c: ditto.
* c/c-errors.c: ditto.
* c/c-lang.c: dittoxs.
* c/c-objc-common.c: ditto.
* c/c-parser.c: ditto.
* c/c-typeck.c: Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, inchash.h, real.h and
fixed-value.h due to flattening of tree.h.
* calls.c: Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h due to
flattening of tree.h.
* ccmp.c: ditto.
* c-family/array-notation-common.c: ditto.
* c-family/c-ada-spec.c: ditto.
* c-family/c-cilkplus.c: ditto.
* c-family/c-common.c: Include input.h due to flattening of tree.h.
Define macro GCC_C_COMMON_C.
* c-family/c-common.h: Flatten tree.h header files into c-common.h.
Remove include of tree-core.h.
* c-family/c-cppbuiltin.c: Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h due to
flattening of tree.h.
* c-family/c-dump.c: ditto.
* c-family/c-format.c: Flatten tree.h header files into c-common.h.
* c-family/c-cppbuiltin.c: Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h due to
flattening of tree.h.
* c-family/c-dump.c: Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h due to
flattening of tree.h.
* c-family/c-format.c: Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, inchash.h and real.h due to
flattening of tree.h.
* c-family/c-gimplify.c: Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h due to
flattening of tree.h.
* c-family/cilk.c: ditto.
* c-family/c-lex.c: ditto.
* c-family/c-omp.c: ditto.
* c-family/c-opts.c: ditto.
* c-family/c-pch.c: ditto.
* c-family/c-ppoutput.c: ditto.
* c-family/c-pragma.c: ditto.
* c-family/c-pretty-print.c: ditto.
* c-family/c-semantics.c: ditto.
* c-family/c-ubsan.c: ditto.
* c-family/stub-objc.c: ditto.
* cfgbuild.c: ditto.
* cfg.c: ditto.
* cfgcleanup.c: ditto.
* cfgexpand.c: ditto.
* cfghooks.c: ditto.
* cfgloop.c: Include symtab.h, fold-const.h, and
inchash.h due to flattening of tree.h.
* cfgloopmanip.c: ditto.
* cfgrtl.c: Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h due to
flattening of tree.h.
* cgraphbuild.c: ditto.
* cgraph.c: ditto.
* cgraphclones.c: ditto.
* cgraphunit.c: ditto.
* cilk-common.c: ditto.
* combine.c: ditto.
* combine-stack-adj.c: Include symbol.h due to flattening of tree.h.
* config/aarch64/aarch64-builtins.c: Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h due to
flattening of tree.h.
* config/aarch64/aarch64.c: ditto.
* config/alpha/alpha.c: ditto.
* config/arc/arc.c: ditto.
* config/arm/aarch-common.c: ditto.
* config/arm/arm-builtins.c: ditto.
* config/arm/arm.c: ditto.
* config/arm/arm-c.c: ditto.
* config/avr/avr.c: ditto.
* config/avr/avr-c.c: ditto.
* config/avr/avr-log.c: ditto.
* config/bfin/bfin.c: ditto.
* config/c6x/c6x.c: ditto.
* config/cr16/cr16.c: ditto.
* config/cris/cris.c: ditto.
* config/darwin.c: ditto.
* config/darwin-c.c: ditto.
* config/default-c.c: ditto.
* config/epiphany/epiphany.c: ditto.
* config/fr30/fr30.c: ditto.
* config/frv/frv.c: ditto.
* config/glibc-c.c: ditto.
* config/h8300/h8300.c: ditto.
* config/i386/i386.c: ditto.
* config/i386/i386-c.c: ditto.
* config/i386/msformat.c: ditto.
* config/i386/winnt.c: ditto.
* config/i386/winnt-cxx.c: ditto.
* config/i386/winnt-stubs.c: ditto.
* config/ia64/ia64.c: ditto.
* config/ia64/ia64-c.c: ditto.
* config/iq2000/iq2000.c: ditto.
* config/lm32/lm32.c: Include symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* config/m32c/m32c.c: Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h due to
flattening of tree.h.
* config/m32c/m32c-pragma.c: ditto.
* config/m32c/m32cr.c: ditto.
* config/m68/m68k.c: ditto.
* config/mcore/mcore.c: ditto.
* config/mep/mep.c: ditto.
* config/mep/mep-pragma.c: ditto.
* config/microblaze/microblaze.c: ditto.
* config/microblaze/microblaze-c.c: ditto.
* config/mips/mips.c: ditto.
* config/mmix/mmix.c: Include symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* config/mn10300/mn10300.c: Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h due to
flattening of tree.h.
* config/moxie/moxie.c: ditto.
* config/msp430/msp430.c: ditto.
* config/msp430/msp430-c.c: ditto.
* config/nds32/nds32.c: ditto.
* config/nds32/nds32-cost.c: ditto.
* config/nds32/nds32-fp-as-gp.c: ditto.
* config/nds32/nds32-intrinsic.c: ditto.
* config/nds32/nds32-isr.c: ditto.
* config/nds32/nds32-md-auxillary.c: ditto.
* config/nds32/nds32-memory-manipulationx.c: ditto.
* config/nds32/nds32-pipelines-auxillary.c: ditto.
* config/nds32/nds32-predicates.c: ditto.
* config/nios2/nios2.c: ditto.
* config/nvptx/nvptx.c: ditto.
* config/pa/pa.c: ditto.
* config/pdp11/pdp11x.c: Include symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* config/rl78/rl78.c: Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h due to
flattening of tree.h.
* config/rl78/rl78-cx.c: ditto.
* config/rs6000/rs6000.c: ditto.
* config/rs6000/rs6000-c.c: ditto.
* config/rx/rx.c: ditto.
* config/s390/s390.c: ditto.
* config/sh/sh.c: ditto.
* config/sh/sc.c: ditto.
* config/sh/sh-mem.cc: ditto.
* config/sh/sh_treg_combine.cc: Include symtab.h, inchash.h and tree.h
due to flattening of tree.h.
Remove include of tree-core.h.
* config/sol2.c: Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h due to
flattening of tree.h.
* config/sol2-c.c: ditto.
* config/sol2-cxx.c: ditto.
* config/sol2-stubs.c: ditto.
* config/sparc/sparc.c: ditto.
* config/sparc/sparc-cx.c: ditto.
* config/spu/spu.c: ditto.
* config/spu/spu-c.c: ditto
* config/storym16/stormy16.c: ditto.
* config/tilegx/tilegx.c: Include symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* config/tilepro/gen-mul-tables.cc: Include symtab.h in generated file.
* config/tilegx/tilegx-c.c: Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h due to
flattening of tree.h.
* config/tilepro/tilepro.c: Include symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* config/tilepro/tilepro-c.c: Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h due to
flattening of tree.h.
* config/v850/v850.c: ditto.
* config/v850/v850-c.c: ditto.
* config/vax/vax.c: ditto.
* config/vms/vms.c: ditto.
* config/vms/vms-c.c: ditto.
* config/vxworks.c: ditto.
* config/winnt-c.c: ditto.
* config/xtensa/xtensa.c: Include symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* convert.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* coverage.c: ditto.
* cp/call.c: ditto.
* cp/class.c: ditto.
* cp/constexpr.c: ditto.
* cp/cp-array-notation.c: ditto.
* cp/cp-gimplify.c: ditto.
* cp/cp-lang.c: ditto.
* cp/cp-objcp-common.c: ditto.
* cp/cvt.c: ditto.
* cp/decl2.c: ditto.
* cp/decl.c: ditto.
* cp/dump.c: ditto.
* cp/error.c: ditto.
* cp/except.c: ditto.
* cp/expr.c: ditto.
* cp/friend.c: ditto.
* cp/init.c: ditto.
* cp/lambda.c: ditto.
* cp/lex.c: ditto.
* cp/mangle.c: ditto.
* cp/name-lookup.c: ditto.
* cp/optimize.c: ditto.
* cp/parser.c: ditto.
* cp/pt.c: ditto.
* cp/ptree.c: ditto.
* cp/repo.c: ditto.
* cp/rtti.c: ditto.
* cp/search.c: ditto.
* cp/semantics.c: ditto.
* cp/tree.c: ditto.
* cp/typeck2.c: ditto.
* cp/typeck.c: ditto.
* cppbuiltin.c: ditto.
* cprop.c: ditto.
* cse.c: Add include of symtab.h due to flattening of tree.h.
* cselib.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* data-streamer.c: ditto.
* data-streamer-in.c: ditto.
* data-streamer-out.c: ditto.
* dbxout.c: ditto.
* dce.c: ditto.
* ddg.c: Add include of symtab.h due to flattening of tree.h.
* debug.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* dfp.c: ditto.
* df-scan.c: ditto.
* dojump.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h, inchash.h and real.h due to flattening of tree.h.
* double-int.c: ditto.
* dse.c: ditto.
* dumpfile.c: ditto.
* dwarf2asm.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, inchash.h and real.h due to flattening of tree.h.
* dwarf2cfi.c: ditto.
* dwarf2out.c: ditto.
* emit-rtl.c: ditto.
* except.c: ditto.
* explow.c: ditto.
* expmed.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* expr.c: ditto.
* final.c: ditto.
* fixed-value.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, inchash.h and fixed-value.h due to flattening of tree.h.
* fold-const.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
Relocate inline function convert_to_ptrofftype_loc from tree.h.
Relocate inline function fold_build_pointer_plus_loc from tree.h.
Relocate inline function fold_build_pointer_plus_hwi_loc from tree.h.
* fold-const.h: Relocate macro convert_to_ptrofftype from tree.h.
Relocate macro fold_build_pointer_plus to relocate from tree.h.h.
Relocate macro fold_build_pointer_plus_hwi from tree.h.
Add prototype for convert_to_ptrofftype_loc relocated from tree.h.
Add prototype for fold_build_pointer_plus_loc relocated from tree.h.
Add prototype for fold_build_pointer_plus_hwi_loc relocated from tree.h.
* fortran/convert.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* fortran/cpp.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* fortran/decl.c: ditto.
* fortran/f95.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* fortran/iresolve.c: ditto.
* fortran/match.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* fortran/module.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* fortran/options.c: ditto.
* fortran/target-memory.c: Include hash-set.h, vec.h,
double-int.h, input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* fortran/trans-array.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* fortran/trans.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* fortran/trans-common.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* fortran/trans-const.c: ditto.
* fortran/trans-decl.c: ditto.
* fortran/trans-expr.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* fortran/trans-intrinsic.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, inchash.h and real.h due to flattening of tree.h.
* fortran/trans-io.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* fortran/trans-openmp.c: ditto.
* fortran/trans-stmt.c: ditto.
* fortran/trans-types.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, inchash.h and real.h due to flattening of tree.h.
* function.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* gcc-plugin.h: Include statistics.h, double-int.h, real.h, fixed-value.h,
alias.h, flags.h, and symtab.h due to flattening of tree.h
* gcse.c: ditto.
* generic-match-head.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* ggc-page.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* gimple-builder.c: ditto.
* gimple.c: ditto.
* gimple-expr.c: ditto.
* gimple-fold.c: ditto.
* gimple-iterator.c: ditto.
* gimple-low.c: ditto.
* gimple-match-head.c: ditto.
* gimple-pretty-print.c: ditto.
* generic-ssa-isolate-paths.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* gimple-ssa-strength-reduction.c: ditto.
* gimple-streamer-in.c: ditto.
* gimple-streamer-out.c: ditto.
* gimple-walk.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* gimplify.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* gimplify-me.c: ditto.
* go/go-gcc.cc: ditto.
* go/go-lang.c: ditto.
* go/gdump.c: ditto.
* graphite-blocking.c: ditto.
* graphite.c: ditto.
* graphite-dependencies.c: ditto.
* graphite-interchange.c: ditto.
* graphite-isl-ast-to-gimple.c: ditto.
* graphite-optimize-isl.c: ditto.
* graphite-poly.c: ditto.
* graphite-scop-detection.c: ditto.
* graphite-sese-to-poly.c: ditto.
* hw-doloop.c: Include symtab.h due to flattening of tree.h.
* ifcvt.c: ditto.
* init-regs.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* internal-fc.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h,options.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* ipa.c: ditto.
* ipa-chkp.c: ditto.
* ipa-comdats.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* ipa-cp.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h,options.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* ipa-devirt.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* ipa-icf.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h,options.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* ipa-icf-gimple.c: ditto.
* ipa-inline-analysis.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* ipa-inline.c: ditto.
* ipa-inline-transform.c: ditto.
* ipa-polymorhpic-call.c: ditto.
* ipa-profile.c: ditto.
* ipa-prop.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* ipa-pure-const.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* ipa-ref.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* ipa-reference.c: ditto.
* ipa-split.c: ditto.
* ipa-utils.c: ditto.
* ipa-visbility.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* ira.c: ditto.
* ira-color.c: Include hash-set.h due to flattening of tree.h.
* ira-costs.c: ditto.
* ira-emit.c: ditto.
* java/boehm.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* java/builtins.c: ditto.
* java/class.c: ditto.
* java/constants.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* java/decl.c: ditto.
* java/except.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* java/expr.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h,inchash.h and real.h due to flattening of tree.h.
* java/gimplify.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* java/jcf-dump.c: ditto.
* java/jcf-io.c: ditto.
* java/jcf-parse.c: ditto.
* java/jvgenmain.c: ditto.
* java/lang.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* java/mangle.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* java/mangle_name.c: ditto.
* java/resource.c: ditto.
* java/typeck.c: ditto.
* java/verify-glue.c: ditto.
* java/verify-impl.c: ditto.
* jump.c: Include symtab.h due to flattening of tree.h.
* langhooks.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* loop-doloop.c: Include symtab.h due to flattening of tree.h.
* loop-init.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* loop-invariant.c: Include symtab.h due to flattening of tree.h.
* loop-iv.c: ditto.
* loop-unroll.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* lower-subreg.c: ditto.
* lra-assigns.c: Include symtab.h due to flattening of tree.h.
* lra.c: Include symtab.h, fold-const.h, wide-int.h and inchash.h
due to flattening of tree.h.
* lra-coalesce.c: Include symtab.h due to flattening of tree.h.
* lra-constraints.c: ditto.
* lra-eliminations.c: ditto.
* lra-livesc: ditto.
* lra-remat.c: ditto.
* lra-spills.c: ditto.
* lto/lto.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* lto/lto-lang.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* lto/lto-object.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* lto/lto-partition.c: ditto.
* lto/lto-symtab.c: ditto.
* lto-cgraph.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* lto-compress.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* lto-opts.c: ditto.
* lto-section-in.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* lto-section-out.c: ditto.
* lto-streamer.c: ditto.
* lto-streamer-in.c: ditto.
* lto-streamer-out.c: ditto.
* modulo-sched.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h, and
inchash.h due to flattening of tree.h.
* objc/objc-act.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* objc/objc-encoding.c: ditto.
* objc/objc-gnu-runtime-abi-01.c: ditto.
* objc/objc-lang.c: ditto.
* objc/objc-map.c: ditto.
* objc/objc-next-runtime-abi-01.c: ditto.
* objc/objc-next-runtime-abi-02.c: ditto.
* objc/objc-runtime-shared-support.c: ditto.
* objcp/objcp-decl.c: ditto.
* objcp/objcp-lang.c: ditto.
* omega.c: ditto.
* omega-low.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h, and
inchash.h due to flattening of tree.h.
* optabs.c: ditto.
* opts-global.c: ditto.
* passes.c: ditto.
* plugin.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h, wide-int.h, and
inchash.h due to flattening of tree.h.
* postreload.c: Include symtab.h due to flattening of tree.h.
* postreload-gcse.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h, and
inchash.h due to flattening of tree.h.
* predict.c: ditto.
* print-rtl.c: ditto.
* print-tree.c: ditto.
* profile.c: Include symtab.h, fold-const.h
and inchash.h due to flattening of tree.h.
* real.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h, and
inchash.h due to flattening of tree.h.
* realmpfr.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h, wide-int.h, and
inchash.h due to flattening of tree.h.
* recog.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h, and
inchash.h due to flattening of tree.h.
* ree.c: ditto.
* reginfo.c: ditto.
* reg-stack.c: ditto.
* reload1.c: Include symtab.h, fold-const.h, wide-int.h
and inchash.h due to flattening of tree.h.
* reload.c: Include symtab.h due to flattening of tree.h.
* reorg.c: ditto.
* rtlanal.c: Include symtab.h, fold-const.h, wide-int.h
and inchash.h due to flattening of tree.h.
* rtl-chkp.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h, and
inchash.h due to flattening of tree.h.
* rtlhooks.c: Include symtab.h due to flattening of tree.h.
* sanopt.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h, wide-int.h, and
inchash.h due to flattening of tree.h.
* sched-deps.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h, wide-int.h, and
inchash.h due to flattening of tree.h.
* sched-vis.c: ditto.
* sdbout.c: ditto.
* sel-sched.c: Include symtab.h, fold-const.h, wide-int.h
and inchash.h due to flattening of tree.h.
* sel-sched-ir.c: ditto.
* sese.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h, wide-int.h, and
inchash.h due to flattening of tree.h.
* shrink-wrap.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h, wide-int.h, and
inchash.h due to flattening of tree.h.
* simplify-rtx.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h, wide-int.h, and
inchash.h due to flattening of tree.h.
* stack-ptr-mod.c: ditto.
* stmt.c: ditto.
* store-motion.c: ditto.
* store-layout.c: ditto.
* stringpool.c: ditto.
* symtab.c: ditto.
* target-globals.c: ditto.
* targhooks.c: ditto.
* toplev.c: ditto.
* tracer.c: ditto.
* trans-mem.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h, wide-int.h, and
inchash.h due to flattening of tree.h.
* tree-affine.c: ditto.
* tree-browser.c: ditto.
* tree.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h, wide-int.h, and
inchash.h due to flattening of tree.h.
* tree-call-cdce.c: Include symtab.h, alias.h, double-int.h,
fold-const.h, wide-int.h, inchash.h and real.h due to
flattening of tree.h.
* tree-cfg.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h, and
inchash.h due to flattening of tree.h.
* tree-cfgcleanup.c: ditto.
* tree-chkp.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h, wide-int.h, and
inchash.h due to flattening of tree.h.
* tree-chkp-opt.c: ditto.
* tree-chrec.c: ditto.
* tree-chkp-opt.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h, inchash.h and
real.h due to flattening of tree.h.
* tree-core.h: Flatten header file by removing all #include statements.
* tree-data-ref.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h, wide-int.h, and
inchash.h due to flattening of tree.h.
* tree-dfa.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h, inchash.h and
real.h due to flattening of tree.h.
* tree-diagnostic.c: ditto.
* tree-dump.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h, inchash.h, real.h and
fixed-value.h due to flattening of tree.h.
* tree-dfa.c: ditto.
* tree-eh.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h, inchash.h and
real.h due to flattening of tree.h.
* tree-emutls.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h, wide-int.h, and
inchash.h due to flattening of tree.h.
* tree.h: Flatten header files by removing all includes except tree-core.h.
Remove inline function convert_to_ptrofftype_loc to relocate to fold-const.c.
Remove macro convert_to_ptrofftype to relocate to fold-const.h.
Remove inline function fold_build_pointer_plus_loc to relocate to fold-const.c.
Remove macro fold_build_pointer_plus to relocate to fold-const.h.
Remove inline function fold_build_pointer_plus_hwi_loc to relocate to fold-const.c.
Remove macro fold_build_pointer_plus_hwi to relocate to fold-const.h.
* tree-if-conv.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h, inchash.h, real.h and
fixed-value.h due to flattening of tree.h.
* tree-inline.c: ditto.
* tree-into-ssa.c: ditto.
* tree-iterator.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h, wide-int.h, and
inchash.h due to flattening of tree.h.
* tree-loop-distribution.c: ditto.
* tree-nested.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h and inchash.h
due to flattening of tree.h.
* tree-nrv.c: ditto.
* tree-object-size.c: ditto.
* tree-outof-ssa.c: ditto.
* tree-parloops.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h, wide-int.h, and
inchash.h due to flattening of tree.h.
* tree-phinodes.c: ditto.
* tree-predcom.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h and inchash.h
due to flattening of tree.h.
* tree-pretty-print.c: ditto.
* tree-profile.c: double-int.h, input.h, alias.h, symtab.h,
fold-const.h, wide-int.h and inchash.h due to flattening of tree.h.
* tree-scalar-evolution.c: Include hash-set.h, machmode.h, vec.h,
double-int.h, input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h and inchash.h due to flattening of tree.h.
* tree-sra.c: Include vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h, and
inchash.h due to flattening of tree.h.
* tree-ssa-alias.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h and inchash.h
due to flattening of tree.h.
* tree-ssa.c: ditto.
* tree-ssa-ccp.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h, inchash.h
and real.h due to flattening of tree.h.
* tree-ssa-coalesce.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h and inchash.h
due to flattening of tree.h.
* tree-ssa-copy.c: ditto.
* tree-ssa-copyrename.c: ditto.
* tree-ssa-dce.c: ditto.
* tree-ssa-dom.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h, inchash.h
and real.h due to flattening of tree.h.
* tree-ssa-dse.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h and inchash.h
due to flattening of tree.h.
* tree-ssa-forwprop.c: ditto.
* tree-ssa-ifcombine.c: ditto.
* tree-ssa-live.c: ditto.
* tree-ssa-loop.c: ditto.
* tree-ssa-loop-ch.c: ditto.
* tree-ssa-loop-im.c: ditto.
* tree-ssa-loop-ivcanon.c: ditto.
* tree-ssa-loop-ivopts.c: ditto.
* tree-ssa-loop-manip.c: ditto.
* tree-ssa-loop-niter.c: ditto.
* tree-ssa-loop-prefetch.c: ditto.
* tree-ssa-loop-unswitch.c: ditto.
* tree-ssa-loop-math-opts.c: ditto.
* tree-ssanames.c: ditto.
* tree-ssa-operands.c: ditto.
* tree-ssa-phiopt.c: ditto.
* tree-ssa-phiprop.c: ditto.
* tree-ssa-pre.c: ditto.
* tree-ssa-propagate.c: ditto.
* tree-ssa-reassoc.c: ditto.
* tree-ssa-sccvn.c: ditto.
* tree-ssa-sink.c: ditto.
* tree-ssa-strlen.c: Include hash-set.h, machmode.h, vec.h,
double-int.h, input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h and inchash.h due to flattening of tree.h.
* tree-ssa-structalias.c: double-int.h, input.h, alias.h, symtab.h,
fold-const.h, wide-int.h and inchash.h due to flattening of tree.h.
* tree-ssa-tail-merge.c: Include hash-set.h, machmode.h, vec.h,
double-int.h, input.h, alias.h, symtab.h, fold-const.h,
wide-int.h and inchash.h due to flattening of tree.h.
* tree-ssa-ter.c: ditto.
* tree-ssa-threadedge.c: ditto.
* tree-ssa-threadupdate.c: Include hash-set.h, machmode.h, vec.h,
double-int.h, input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h and inchash.h due to flattening of tree.h.
* tree-ssa-uncprop.c: Include hash-set.h, machmode.h, vec.h,
double-int.h, input.h, alias.h, symtab.h, fold-const.h,
wide-int.h and inchash.h due to flattening of tree.h.
* tree-ssa-uninit.c: ditto.
* tree-stdarg.c: Include vec.h, double-int.h, input.h, alias.h,
symtab.h, fold-const.h, wide-int.h and inchash.h due to flattening
of tree.h.
* tree-streamer.c: Include vec.h, double-int.h, input.h, alias.h,
symtab.h, options.h, fold-const.h, wide-int.h and
inchash.h due to flattening of tree.h.
* tree-streamer-in.c: Include hash-set.h, machmode.h, vec.h,
double-int.h, input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h, inchash.h, real.h and fixed-value.h due to flattening
of tree.h.
* tree-streamer-out.c: dittoo.
* tree-switch-conversion.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h and inchash.h
due to flattening of tree.h.
* tree-tailcall.c: ditto.
* tree-vect-data-refs.c: ditto.
* tree-vect-generic.c: Include hash-set.h, machmode.h, vec.h, double-int.h, input.h,
alias.h, symtab.h, options.h, fold-const.h, wide-int.h and inchash.h
due to flattening of tree.h.
* tree-vect-loop.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h and inchash.h
due to flattening of tree.h.
* tree-vect-loop-manip.c: ditto.
* tree-vectorizer.c: ditto.
* tree-vect-patterns.c: ditto.
* tree-vect-slp.c: ditto.
* tree-vect-stmts.c: ditto.
* tree-vrp.c: ditto.
* tsan.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h, wide-int.h and inchash.h
due to flattening of tree.h.
* ubsan.c: ditto.
* value-prof.c.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h and inchash.h
due to flattening of tree.h.
* varasm.c: ditto.
* varpool.c: ditto.
* var-tracking.c: ditto.
* vmsdbgout.c: ditto.
* vtable-verify.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h, wide-int.h and inchash.h
due to flattening of tree.h.
* wide-int.cc: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h and inchash.h
due to flattening of tree.h.
* xcoffout.c: ditto.
* libcc1/plugin.cc: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h, wide-int.h and inchash.h
due to flattening of tree.h.
From-SVN: r219402
2015-01-09 21:18:42 +01:00
|
|
|
#include "fold-const.h"
|
gimple-expr.h (create_tmp_var_name, [...]): Relocate prototypes from gimple.h.
2013-11-12 Andrew MacLeod <amacleod@redhat.com>
* gimple-expr.h (create_tmp_var_name, create_tmp_var_raw,
create_tmp_var, create_tmp_reg, mark_addressable, is_gimple_reg_rhs):
Relocate prototypes from gimple.h.
* gimplify.h: New File. Relocate some prototypes from gimple.h here.
(gimple_predicate, enum fallback, enum gimplify_status): Relocate
from gimple.h.
* gimple.h: Move some prototypes to gimplify.h.
(gimple_predicate, enum fallback, enum gimplify_status): Move to
gimplify.h.
(gimple_do_not_emit_location_p, gimple_set_do_not_emit_location):
Relocate from gimpify.c.
* gimple-expr.c (remove_suffix, tmp_var_id_num, create_tmp_var_name,
create_tmp_var_raw, create_tmp_var, create_tmp_reg, mark_addressable,
is_gimple_reg_rhs) Relocate from gimplify.c.
* gimplify.c (mark_addressable): Move to gimple-expr.c.
(gimple_seq_add_stmt_without_update): Move to gimple.c.
(remove_suffix, tmp_var_id_num, create_tmp_var_name, create_tmp_var_raw,
create_tmp_var, create_tmp_reg, is_gimple_reg_rhs): Move to
gimple-expr.c.
(should_carry_location_p): Move to gimple.c.
(gimple_do_not_emit_location_p, gimple_set_do_not_emit_location): Move
to gimple.h.
(annotate_one_with_location, annotate_all_with_location_after,
annotate_all_with_location): Move to gimple.c.
(compare_case_labels, sort_case_labels,
preprocess_case_label_vec_for_gimple): Move to gimple.c.
(rhs_predicate_for): Make static.
(gimplify_assign): Relocate from gimple.c.
* gimple.c (gimplify_assign): Move to gimplify.c.
(gimple_seq_add_stmt_without_update, should_carry_location_p,
annotate_one_with_location, annotate_all_with_location_after,
annotate_all_with_location, compare_case_labels, sort_case_labels,
preprocess_case_label_vec_for_gimple): Relocate from gimplify.c.
* tree.h (unshare_expr, unshare_expr_without_location,
mark_addressable): Move prototypes to gimplify.h.
* Makefile.in (GTFILES): gimple-expr.c now has the GTY tag for
tmp_var_id_num
* asan.c: Include gimplify.h rather than gimple.h.
* cfgloopmanip.c: Likewise.
* cgraphunit.c: Likewise.
* cilk-common.c: Likewise.
* dwarf2out.c: Dont include gimple.h.
* fold-const.c: Include gimplify.h rather than gimple.h.
* function.c: Likewise.
* gimple-fold.c: Likewise.
* gimple-ssa-strength-reduction.c: Likewise.
* graphite-clast-to-gimple.c: Likewise.
* graphite-sese-to-poly.c: Likewise.
* ipa-prop.c: Likewise.
* ipa-split.c: Likewise.
* ipa.c: Likewise.
* langhooks.c: Dont include gimple.h.
* loop-init.c: Include gimplify.h rather than gimple.h.
* omp-low.c: Likewise.
* sese.c: Likewise.
* stor-layout.c: Likewise.
* targhooks.c: Likewise.
* trans-mem.c: Likewise.
* tree-affine.c: Likewise.
* tree-cfg.c: Likewise.
* tree-cfgcleanup.c: Likewise.
* tree-complex.c: Likewise.
* tree-if-conv.c: Likewise.
* tree-inline.c: Likewise.
* tree-iterator.c: Likewise.
* tree-loop-distribution.c: Likewise.
* tree-nested.c: Likewise.
* tree-parloops.c: Likewise.
* tree-predcom.c: Likewise.
* tree-profile.c: Likewise.
* tree-scalar-evolution.c: Likewise.
* tree-sra.c: Likewise.
* tree-ssa-address.c: Likewise.
* tree-ssa-ccp.c: Likewise.
* tree-ssa-dce.c: Likewise.
* tree-ssa-forwprop.c: Likewise.
* tree-ssa-ifcombine.c: Likewise.
* tree-ssa-loop-im.c: Likewise.
* tree-ssa-loop-ivopts.c: Likewise.
* tree-ssa-loop-manip.c: Likewise.
* tree-ssa-loop-niter.c: Likewise.
* tree-ssa-loop-prefetch.c: Likewise.
* tree-ssa-loop-unswitch.c: Likewise.
* tree-ssa-math-opts.c: Likewise.
* tree-ssa-phiopt.c: Likewise.
* tree-ssa-phiprop.c: Likewise.
* tree-ssa-pre.c: Likewise.
* tree-ssa-propagate.c: Likewise.
* tree-ssa-reassoc.c: Likewise.
* tree-ssa-sccvn.c: Likewise.
* tree-ssa-strlen.c: Likewise.
* tree-ssa.c: Likewise.
* tree-switch-conversio: Likewise.n.c
* tree-tailcall.c: Likewise.
* tree-vect-data-refs.c: Likewise.
* tree-vect-generic.c: Likewise.
* tree-vect-loop-manip.c: Likewise.
* tree-vect-loop.c: Likewise.
* tree-vect-patterns.c: Likewise.
* tree-vect-stmts.c: Likewise.
* tsan.c: Likewise.
* value-prof.c: Likewise.
* config/aarch64/aarch64.c: Include gimplify.h instead of gimple.h.
* config/alpha/alpha.c: Likewise.
* config/darwin.c: Likewise.
* config/i386/i386.c: Likewise.
* config/ia64/ia64.c: Likewise.
* config/mep/mep.c: Likewise.
* config/mips/mips.c: Likewise.
* config/rs6000/rs6000.c: Likewise.
* config/s390/s390.c: Likewise.
* config/sh/sh.c: Likewise.
* config/sparc/sparc.c: Likewise.
* config/spu/spu.c: Likewise.
* config/stormy16/stormy16.c: Likewise.
* config/tilegx/tilegx.c: Likewise.
* config/tilepro/tilepro.c: Likewise.
* config/xtensa/xtensa.c: Likewise.
* ada/gcc-interface/trans.c: Include gimplify.h.
* c/c-typeck.c: Include gimplify.h.
* c-family/c-common.c: Include gimplify.h.
* c-family/c-gimplify.c: Likewise.
* c-family/cilk.c: Likewise.
* c-family/c-omp.c: Include gimple-expr.h instead of gimple.h.
* c-family/c-ubsan.c: Don't include gimple.h.
* cp/class.c: Include gimplify.h.
* cp/cp-gimplify.c: Likewise.
* cp/error.c: Likewise.
* cp/init.c: Likewise.
* cp/optimize.c: Likewise.
* cp/pt.c: Likewise.
* cp/semantics.c: Likewise.
* cp/tree.c: Likewise.
* cp/vtable-class-hierarchy.c: Likewise.
* cp/decl2.c: Don't include gimple.h.
* cp/except.c: Likewise.
* cp/method.c: Include pointer-set.h instead of gimple.h.
* fortran/f95-lang.c: Don't include gimple.h.
* fortran/trans-array.c: Include gimple-expr.h instead of gimple.h.
* fortran/trans.c: Likewise.
* fortran/trans-decl.c: Likewise.
* fortran/trans-expr.c: Include gimplify.h.
* fortran/trans-openmp.c: Likewise.
* go/go-lang.c: Include gimplify.h.
* java/java-gimplify.c: Include gimplify.h.
* objc/objc-act.c: Include gimplify.h.
From-SVN: r204717
2013-11-12 21:26:43 +01:00
|
|
|
#include "gimplify.h"
|
2013-10-23 14:16:58 +02:00
|
|
|
#include "tree-cfg.h"
|
2015-10-09 14:18:24 +02:00
|
|
|
#include "tree-ssa.h"
|
2013-10-23 20:55:46 +02:00
|
|
|
#include "tree-ssa-loop-niter.h"
|
2013-10-23 14:16:58 +02:00
|
|
|
#include "tree-ssa-loop.h"
|
|
|
|
#include "tree-into-ssa.h"
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
#include "cfgloop.h"
|
|
|
|
#include "params.h"
|
2007-01-28 18:40:38 +01:00
|
|
|
#include "tree-inline.h"
|
2015-10-08 15:14:09 +02:00
|
|
|
#include "gimple-iterator.h"
|
|
|
|
#include "cfghooks.h"
|
2016-08-17 10:11:32 +02:00
|
|
|
#include "tree-ssa-loop-manip.h"
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
|
|
|
|
/* This file implements the loop unswitching, i.e. transformation of loops like
|
|
|
|
|
|
|
|
while (A)
|
|
|
|
{
|
|
|
|
if (inv)
|
|
|
|
B;
|
|
|
|
|
|
|
|
X;
|
|
|
|
|
|
|
|
if (!inv)
|
|
|
|
C;
|
|
|
|
}
|
|
|
|
|
|
|
|
where inv is the loop invariant, into
|
|
|
|
|
|
|
|
if (inv)
|
|
|
|
{
|
|
|
|
while (A)
|
|
|
|
{
|
|
|
|
B;
|
|
|
|
X;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
while (A)
|
|
|
|
{
|
|
|
|
X;
|
|
|
|
C;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
Inv is considered invariant iff the values it compares are both invariant;
|
|
|
|
tree-ssa-loop-im.c ensures that all the suitable conditions are in this
|
|
|
|
shape. */
|
|
|
|
|
tree-vrp.c (execute_vrp): Do not pass loops structure through arguments.
* tree-vrp.c (execute_vrp): Do not pass loops structure through
arguments.
* loop-unswitch.c (unswitch_loops, unswitch_single_loop,
unswitch_loop): Ditto.
* tree-loop-linear.c (linear_transform_loops): Ditto.
* tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
tree_ssa_lim): Ditto.
* tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
free_numbers_of_iterations_estimates): Ditto.
* tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
* cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
remove_path, add_loop, loopify, unloop, fix_loop_placements,
place_new_loop, duplicate_loop, duplicate_subloops,
update_single_exit_for_duplicated_loops, copy_loops_to,
duplicate_loop_to_header_edge, create_preheaders,
force_single_succ_latches, loop_version, fix_loop_structure):
Ditto.
* tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
tree_unroll_loop): Ditto.
* tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
* tree-scalar-evolution.c (select_loops_exit_conditions,
scev_initialize, scev_analysis): Ditto.
* tree-scalar-evolution.h (scev_initialize): Ditto.
* cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
* cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
* tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
* modulo-sched.c (sms_schedule): Ditto.
* tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
* loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
* ifcvt.c (if_convert): Ditto.
* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
canonicalize_loop_induction_variables,
canonicalize_induction_variables,
tree_unroll_loops_completely, remove_empty_loops): Ditto.
* tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
tree_ssa_loop_done): Ditto.
* predict.c (predict_loops, tree_estimate_probability, estimate_loops,
estimate_bb_frequencies): Ditto.
* tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
* loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
decide_unrolling_and_peeling, peel_loop_completely,
unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
peel_loop_simple, unroll_loop_stupid): Ditto.
* loop-doloop.c (doloop_optimize_loops): Ditto.
* tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
* loop-invariant.c (move_loop_invariants): Ditto.
* tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
* tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
tree_ssa_prefetch_arrays): Ditto.
* lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
Ditto.
* tree-vect-transform.c (vect_do_peeling_for_loop_bound,
vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
* cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
mark_single_exit_loops, cancel_loop, cancel_loop_tree,
verify_loop_structure): Ditto.
* tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
canonicalize_induction_variables, tree_unroll_loops_completely,
tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
tree_unroll_loop, linear_transform_loops): Declaration changed.
* basic-block.h: Remove declaration of struct loops.
* cfghooks.h (struct cfg_hooks): Change type of
cfg_hook_duplicate_loop_to_header_edge.
(cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
* tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
vect_transform_loop): Declaration changed.
* lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
* cfgloop.h (flow_loops_dump, fix_loop_structure,
mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
cancel_loop_tree, create_preheaders, force_single_succ_latches,
verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
loopify, loop_version, remove_path, unswitch_loops,
unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
Declaration changed.
From-SVN: r119189
2006-11-25 11:34:13 +01:00
|
|
|
static struct loop *tree_unswitch_loop (struct loop *, basic_block, tree);
|
|
|
|
static bool tree_unswitch_single_loop (struct loop *, int);
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
static tree tree_may_unswitch_on (basic_block, struct loop *);
|
2015-10-08 15:14:09 +02:00
|
|
|
static bool tree_unswitch_outer_loop (struct loop *);
|
|
|
|
static edge find_loop_guard (struct loop *);
|
|
|
|
static bool empty_bb_without_guard_p (struct loop *, basic_block);
|
|
|
|
static bool used_outside_loop_p (struct loop *, tree);
|
|
|
|
static void hoist_guard (struct loop *, edge);
|
|
|
|
static bool check_exit_phi (struct loop *);
|
|
|
|
static tree get_vop_from_header (struct loop *);
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
|
tree-vrp.c (execute_vrp): Do not pass loops structure through arguments.
* tree-vrp.c (execute_vrp): Do not pass loops structure through
arguments.
* loop-unswitch.c (unswitch_loops, unswitch_single_loop,
unswitch_loop): Ditto.
* tree-loop-linear.c (linear_transform_loops): Ditto.
* tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
tree_ssa_lim): Ditto.
* tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
free_numbers_of_iterations_estimates): Ditto.
* tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
* cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
remove_path, add_loop, loopify, unloop, fix_loop_placements,
place_new_loop, duplicate_loop, duplicate_subloops,
update_single_exit_for_duplicated_loops, copy_loops_to,
duplicate_loop_to_header_edge, create_preheaders,
force_single_succ_latches, loop_version, fix_loop_structure):
Ditto.
* tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
tree_unroll_loop): Ditto.
* tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
* tree-scalar-evolution.c (select_loops_exit_conditions,
scev_initialize, scev_analysis): Ditto.
* tree-scalar-evolution.h (scev_initialize): Ditto.
* cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
* cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
* tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
* modulo-sched.c (sms_schedule): Ditto.
* tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
* loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
* ifcvt.c (if_convert): Ditto.
* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
canonicalize_loop_induction_variables,
canonicalize_induction_variables,
tree_unroll_loops_completely, remove_empty_loops): Ditto.
* tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
tree_ssa_loop_done): Ditto.
* predict.c (predict_loops, tree_estimate_probability, estimate_loops,
estimate_bb_frequencies): Ditto.
* tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
* loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
decide_unrolling_and_peeling, peel_loop_completely,
unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
peel_loop_simple, unroll_loop_stupid): Ditto.
* loop-doloop.c (doloop_optimize_loops): Ditto.
* tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
* loop-invariant.c (move_loop_invariants): Ditto.
* tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
* tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
tree_ssa_prefetch_arrays): Ditto.
* lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
Ditto.
* tree-vect-transform.c (vect_do_peeling_for_loop_bound,
vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
* cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
mark_single_exit_loops, cancel_loop, cancel_loop_tree,
verify_loop_structure): Ditto.
* tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
canonicalize_induction_variables, tree_unroll_loops_completely,
tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
tree_unroll_loop, linear_transform_loops): Declaration changed.
* basic-block.h: Remove declaration of struct loops.
* cfghooks.h (struct cfg_hooks): Change type of
cfg_hook_duplicate_loop_to_header_edge.
(cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
* tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
vect_transform_loop): Declaration changed.
* lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
* cfgloop.h (flow_loops_dump, fix_loop_structure,
mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
cancel_loop_tree, create_preheaders, force_single_succ_latches,
verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
loopify, loop_version, remove_path, unswitch_loops,
unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
Declaration changed.
From-SVN: r119189
2006-11-25 11:34:13 +01:00
|
|
|
/* Main entry point. Perform loop unswitching on all suitable loops. */
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
|
2006-09-06 08:13:22 +02:00
|
|
|
unsigned int
|
tree-vrp.c (execute_vrp): Do not pass loops structure through arguments.
* tree-vrp.c (execute_vrp): Do not pass loops structure through
arguments.
* loop-unswitch.c (unswitch_loops, unswitch_single_loop,
unswitch_loop): Ditto.
* tree-loop-linear.c (linear_transform_loops): Ditto.
* tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
tree_ssa_lim): Ditto.
* tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
free_numbers_of_iterations_estimates): Ditto.
* tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
* cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
remove_path, add_loop, loopify, unloop, fix_loop_placements,
place_new_loop, duplicate_loop, duplicate_subloops,
update_single_exit_for_duplicated_loops, copy_loops_to,
duplicate_loop_to_header_edge, create_preheaders,
force_single_succ_latches, loop_version, fix_loop_structure):
Ditto.
* tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
tree_unroll_loop): Ditto.
* tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
* tree-scalar-evolution.c (select_loops_exit_conditions,
scev_initialize, scev_analysis): Ditto.
* tree-scalar-evolution.h (scev_initialize): Ditto.
* cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
* cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
* tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
* modulo-sched.c (sms_schedule): Ditto.
* tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
* loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
* ifcvt.c (if_convert): Ditto.
* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
canonicalize_loop_induction_variables,
canonicalize_induction_variables,
tree_unroll_loops_completely, remove_empty_loops): Ditto.
* tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
tree_ssa_loop_done): Ditto.
* predict.c (predict_loops, tree_estimate_probability, estimate_loops,
estimate_bb_frequencies): Ditto.
* tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
* loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
decide_unrolling_and_peeling, peel_loop_completely,
unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
peel_loop_simple, unroll_loop_stupid): Ditto.
* loop-doloop.c (doloop_optimize_loops): Ditto.
* tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
* loop-invariant.c (move_loop_invariants): Ditto.
* tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
* tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
tree_ssa_prefetch_arrays): Ditto.
* lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
Ditto.
* tree-vect-transform.c (vect_do_peeling_for_loop_bound,
vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
* cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
mark_single_exit_loops, cancel_loop, cancel_loop_tree,
verify_loop_structure): Ditto.
* tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
canonicalize_induction_variables, tree_unroll_loops_completely,
tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
tree_unroll_loop, linear_transform_loops): Declaration changed.
* basic-block.h: Remove declaration of struct loops.
* cfghooks.h (struct cfg_hooks): Change type of
cfg_hook_duplicate_loop_to_header_edge.
(cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
* tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
vect_transform_loop): Declaration changed.
* lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
* cfgloop.h (flow_loops_dump, fix_loop_structure,
mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
cancel_loop_tree, create_preheaders, force_single_succ_latches,
verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
loopify, loop_version, remove_path, unswitch_loops,
unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
Declaration changed.
From-SVN: r119189
2006-11-25 11:34:13 +01:00
|
|
|
tree_ssa_unswitch_loops (void)
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
{
|
|
|
|
struct loop *loop;
|
|
|
|
bool changed = false;
|
|
|
|
|
2015-10-08 15:14:09 +02:00
|
|
|
/* Go through all loops starting from innermost. */
|
|
|
|
FOR_EACH_LOOP (loop, LI_FROM_INNERMOST)
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
{
|
2015-10-08 15:14:09 +02:00
|
|
|
if (!loop->inner)
|
|
|
|
/* Unswitch innermost loop. */
|
|
|
|
changed |= tree_unswitch_single_loop (loop, 0);
|
|
|
|
else
|
|
|
|
changed |= tree_unswitch_outer_loop (loop);
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
if (changed)
|
2006-09-06 08:13:22 +02:00
|
|
|
return TODO_cleanup_cfg;
|
|
|
|
return 0;
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
}
|
|
|
|
|
2017-01-31 11:30:47 +01:00
|
|
|
/* Return TRUE if an SSA_NAME maybe undefined and is therefore
|
|
|
|
unsuitable for unswitching. STMT is the statement we are
|
|
|
|
considering for unswitching and LOOP is the loop it appears in. */
|
|
|
|
|
|
|
|
static bool
|
|
|
|
is_maybe_undefined (const tree name, gimple *stmt, struct loop *loop)
|
|
|
|
{
|
|
|
|
/* The loop header is the only block we can trivially determine that
|
|
|
|
will always be executed. If the comparison is in the loop
|
|
|
|
header, we know it's OK to unswitch on it. */
|
|
|
|
if (gimple_bb (stmt) == loop->header)
|
|
|
|
return false;
|
|
|
|
|
|
|
|
auto_bitmap visited_ssa;
|
|
|
|
auto_vec<tree> worklist;
|
|
|
|
worklist.safe_push (name);
|
|
|
|
bitmap_set_bit (visited_ssa, SSA_NAME_VERSION (name));
|
|
|
|
while (!worklist.is_empty ())
|
|
|
|
{
|
|
|
|
tree t = worklist.pop ();
|
|
|
|
|
|
|
|
/* If it's obviously undefined, avoid further computations. */
|
|
|
|
if (ssa_undefined_value_p (t, true))
|
|
|
|
return true;
|
|
|
|
|
2017-02-17 15:36:08 +01:00
|
|
|
if (ssa_defined_default_def_p (t))
|
2017-01-31 11:30:47 +01:00
|
|
|
continue;
|
|
|
|
|
|
|
|
gimple *def = SSA_NAME_DEF_STMT (t);
|
|
|
|
|
|
|
|
/* Check that all the PHI args are fully defined. */
|
|
|
|
if (gphi *phi = dyn_cast <gphi *> (def))
|
|
|
|
{
|
|
|
|
for (unsigned i = 0; i < gimple_phi_num_args (phi); ++i)
|
|
|
|
{
|
|
|
|
tree t = gimple_phi_arg_def (phi, i);
|
|
|
|
/* If an SSA has already been seen, it may be a loop,
|
|
|
|
but we can continue and ignore this use. Otherwise,
|
|
|
|
add the SSA_NAME to the queue and visit it later. */
|
|
|
|
if (TREE_CODE (t) == SSA_NAME
|
|
|
|
&& bitmap_set_bit (visited_ssa, SSA_NAME_VERSION (t)))
|
|
|
|
worklist.safe_push (t);
|
|
|
|
}
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Uses in stmts always executed when the region header executes
|
|
|
|
are fine. */
|
|
|
|
if (dominated_by_p (CDI_DOMINATORS, loop->header, gimple_bb (def)))
|
|
|
|
continue;
|
|
|
|
|
|
|
|
/* Handle calls and memory loads conservatively. */
|
|
|
|
if (!is_gimple_assign (def)
|
|
|
|
|| (gimple_assign_single_p (def)
|
|
|
|
&& gimple_vuse (def)))
|
|
|
|
return true;
|
|
|
|
|
|
|
|
/* Check that any SSA names used to define NAME are also fully
|
|
|
|
defined. */
|
|
|
|
use_operand_p use_p;
|
|
|
|
ssa_op_iter iter;
|
|
|
|
FOR_EACH_SSA_USE_OPERAND (use_p, def, iter, SSA_OP_USE)
|
|
|
|
{
|
|
|
|
tree t = USE_FROM_PTR (use_p);
|
|
|
|
/* If an SSA has already been seen, it may be a loop,
|
|
|
|
but we can continue and ignore this use. Otherwise,
|
|
|
|
add the SSA_NAME to the queue and visit it later. */
|
|
|
|
if (bitmap_set_bit (visited_ssa, SSA_NAME_VERSION (t)))
|
|
|
|
worklist.safe_push (t);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
/* Checks whether we can unswitch LOOP on condition at end of BB -- one of its
|
|
|
|
basic blocks (for what it means see comments below). */
|
|
|
|
|
|
|
|
static tree
|
|
|
|
tree_may_unswitch_on (basic_block bb, struct loop *loop)
|
|
|
|
{
|
2015-09-20 02:52:59 +02:00
|
|
|
gimple *last, *def;
|
2014-11-19 18:00:54 +01:00
|
|
|
gcond *stmt;
|
2008-07-28 16:33:56 +02:00
|
|
|
tree cond, use;
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
basic_block def_bb;
|
lambda-code.c (gcc_loop_to_lambda_loop, [...]): Use generic operand interface.
2005-05-03 Andrew MacLeod <amacleod@redhat.com>
* lambda-code.c (gcc_loop_to_lambda_loop,
lambda_loopnest_to_gcc_loopnest, phi_loop_edge_uses_def,
stmt_is_bumper_for_loop, perfect_nest_p, replace_uses_of_x_with_y): Use
generic operand interface.
* tree-data-ref.c (find_data_references_in_loop): Use generic interface.
* tree-dfa.c (collect_dfa_stats_r, mark_new_vars_to_rename): Use
generic operand interface.
* tree-flow-inline.h (delink_imm_use, link_imm_use_to_list,
link_imm_use, link_imm_use_stmt, relink_imm_use, relink_imm_use_stmt,
next_safe_imm_use, has_zero_uses, has_single_use, single_imm_use,
num_imm_uses): Use ssa_use_operand_t.
(get_def_ops, get_use_ops, get_v_may_def_ops, get_vuse_ops,
get_v_must_def_ops): Delete.
(get_def_from_ptr, get_phi_result_ptr): Get def directly now.
(get_use_op_ptr, get_def_op_ptr, get_v_may_def_result_ptr,
get_v_may_def_op_ptr, get_vuse_op_ptr, get_v_must_def_result_ptr,
get_v_must_def_kill_ptr): Delete.
(delink_stmt_imm_use): Move and use new operand interface.
(op_iter_next_use, op_iter_next_def, op_iter_next_tree, op_iter_init,
op_iter_next_tree): Use new operand implementation.
(clear_and_done_ssa_iter): New. Initialize a blank operand iterator.
(op_iter_init_use, op_iter_init_def, op_iter_init_tree): Add iterator
type check.
(op_iter_next_mustdef, op_iter_next_maydef,
op_iter_next_must_and_may_def): Delete. Replace with...
(op_iter_next_maymustdef): New. Combine must and may next operations.
(op_iter_init_maydef, op_iter_init_mustdef,
op_iter_init_must_and_may_def): Use new interface.
(single_ssa_tree_operand ): New. Process single operands only as trees.
(single_ssa_use_operand): New. Process single operands only as uses.
(single_ssa_def_operand): New. Process single operands only as defs.
(zero_ssa_operands): New. Return TRUE if there are zero operands of the
specified types.
(num_ssa_operands): New. Count the number of specified operands.
(compare_ssa_operands_equal): New. Compare two statements' operands.
(single_phi_def): New. Return true if PHI has one def of the specified
operand type.
(op_iter_init_phiuse): New. Initialize the iterator for PHI arguments.
(op_iter_init_phidef): New. Initialize the iterator for the PHI def.
* tree-flow.h (struct immediate_use_iterator_d): Use ssa_use_operand_t.
(struct stmt_ann_d): Operands field no longer require GTY().
(vn_compute, vn_lookup_or_add, vn_add, vn_lookup): Change prototype.
* tree-into-ssa.c (mark_def_sites): Use SSA_OP_VMUSTKILL.
* tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
dump_replaceable_exprs, rewrite_trees): Use generic interface.
* tree-phinodes.c (make_phi_node, release_phi_node, resize_phi_node):
Use use_operand_p instead of ssa_imm_use_t *.
* tree-pretty-print.c (dump_vops): check if operands are active before
dumping virtual operands.
* tree-sra.c (sra_walk_function): Use ZERO_SSA_OPERANDS.
* tree-ssa-ccp.c (likely_value): Use ZERO_SSA_OPERANDS.
(ccp_fold): Use new interface.
(ccp_visit_stmt): Remove unused variables and code.
(convert_to_gimple_builtin): Insert statements before calling
mark_new_vars_to_rename.
* tree-ssa-copy.c (stmt_may_generate_copy): Use ZERO_SSA_OPERANDS.
(copy_prop_visit_cond_stmt): Use generic interface.
* tree-ssa-dom.c (struct expr_hash_elt): Use stmt pointer, not the
annotation in table.
(thread_across_edge): Use generic interface.
(initialize_hash_element): Initialzie with stmt, not annotation.
(eliminate_redundant_computations): Use generic interface.
(record_equivalences_from_stmt): Pass stmt, not annotation.
(avail_expr_hash, real_avail_expr_hash, avail_expr_eq): Use generic
interface.
* tree-ssa-dse.c (dse_optimize_stmt): Use ZERO_SSA_OPERANDS.
* tree-ssa-loop-ivopts.c (find_invariants_stmt,
find_interesting_uses_stmt, protect_loop_closed_ssa_form_use): Use
generic operand interface.
* tree-ssa-loop-niter.c (chain_of_csts_start, get_val_for): Use generic
interface.
* tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Use Generic operand
Interface.
* tree-ssa-operands.c (struct opbuild_list_d): New. Operand build type.
(build_defs, build_uses, build_v_may_defs, build_vuses,
build_v_must_defs): Change type to struct opbuild_list_d.
(ops_active): New. Operands active boolean.
(operand_memory, operand_memory_index): New. Operand memory managers.
(allocate_def_optype, allocate_use_optype, allocate_v_may_def_optype,
allocate_vuse_optype, allocate_v_must_def_optype): Delete.
(free_uses, free_defs, free_vuses, free_v_may_defs, free_v_must_defs):
Change from functions to static variable list heads.
(opbuild_initialize_virtual): New. Initialize a virtual build list.
(opbuild_initialize_real): New. Initialize a virtual build list.
(opbuild_free): New. Free a build list.
(opbuild_num_elems): New. Number of items in a list.
(opbuild_append_real): New. Add a real (tree *) operand.
(opbuild_append_virtual): New. Add and sort a virtual (tree) operand.
(opbuild_first): New. Return first element index in a list.
(opbuild_next): New. Return next element in a list.
(opbuild_elem_real): New. Return real element.
(opbuild_elem_virtual): New. Return virtual element.
(opbuild_elem_uid): New. Return UID of virtual element.
(opbuild_clear): New. Reset an operand list.
(opbuild_remove_elem): New. Remove an element form a list.
(ssa_operands_active): New. Return true if operand cache is active.
(init_ssa_operands, fini_ssa_operands): Initialize new implementation.
(ssa_operand_alloc): New. Allocate memory from an operand chunk.
(correct_use_link): Use use_operand_p.
(finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_defs,
finalize_ssa_vuses, finalize_ssa_v_must_defs): New implmentation.
(cleanup_v_may_defs): Use new implmentation.
(finalize_ssa_stmt_operands, start_ssa_stmt_operands): New
implementation.
(append_def, append_use, append_v_may_def, append_vuse,
append_v_must_def): Call opbuild_append routine instead of using varray.
(build_ssa_operands): Simplify to simply use stmt, don't maintain a
global parse_old_ops variable.
(free_ssa_operands): New implementation.
(update_stmt_operands): Move. Change argument to build_ssa_operands.
(copy_virtual_operands): Move. New generic implementation.
(create_ssa_artficial_load_stmt): Move. New implementation.
(swap_tree_operands): Update for new implementation.
(get_expr_operands): Add stmt parameter to calls to swap_tree_operands.
(add_call_clobber_ops, add_call_read_ops): Initialize opbuild list
rather than a varray.
(verify_imm_links): Use use_operand_p.
(dump_immediate_uses_for): If the immediate use variable is a virtual
variable, show the virtual ops in the stmt.
* tree-ssa-operands.h (def_operand_p): No longer a structure.
(NULL_DEF_OPERAND_P): Now a #define.
(def_optype_d, use_optype_d, v_def_use_operand_type, v_may_def_optype_d,
vuse_operand_type, vuse_optype_d, v_must_def_optype_d): Delete.
(def_optype_d, use_optype_d, maydef_optype_d, vuse_optype_d,
mustdef_optype_d): New. Use Linked list representation.
(SSA_OPERAND_MEMORY_SIZE): New. Size of operand memory chunk.
(struct ssa_operand_memory_d): New. Allocated Chunk node.
(struct stmt_operands_d): Change to new pointers that are not GTY.
(STMT_USE_OPS, NUM_USES, SET_USE_OP, STMT_DEF_OPS, NUM_DEFS, SET_DEF_OP,
STMT_V_MAY_DEF_OPS, NUM_V_MAY_DEFS, SET_V_MAY_DEF_RESULT,
SET_V_MAY_DEF_OP, STMT_VUSE_OPS, NUM_VUSES, SET_VUSE_OP,
STMT_V_MUST_DEF_OPS, NUM_V_MUST_DEFS, SET_V_MUST_DEF_RESULT,
SET_V_MUST_DEF_KILL): Delete.
(V_MAY_DEF_OPS, V_MAY_DEF_RESULT_PTR, V_MAY_DEF_RESULT,
V_MAY_DEF_OP_PTR, V_MAY_DEF_OP): Rename to MAYDEF_*.
(V_MUST_DEF_OPS, V_MUST_DEF_RESULT_PTR, V_MUST_DEF_RESULT,
V_MUST_DEF_KILL_PTR, V_MUST_DEF_KILL): Rename to MUSTDEF_*.
(enum ssa_op_iter_type): Operand iterator typechecking values.
(struct ssa_operand_iterator_d): Use linked lists of operands.
(SSA_OP_VMUSTDEFKILL): Rename to SSA_OP_VMUSTKILL.
(FOR_EACH_SSA_MAYDEF_OPERAND, FOR_EACH_SSA_MUSTDEF_OPERAND,
FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): Use op_iter_next_maymustdef.
(FOR_EACH_PHI_ARG): New. Iterate over PHI arguments.
(FOR_EACH_PHI_OR_STMT_USE): New. Iterate over PHI or stmt uses.
(FOR_EACH_PHI_OR_STMT_DEF): New. Iterate over PHI or stmt defs.
(SINGLE_SSA_TREE_OPERAND, SINGLE_SSA_USE_OPERAND,
SINGLE_SSA_DEF_OPERAND, ZERO_SSA_OPERANDS, NUM_SSA_OPERANDS): New.
* tree-ssa-opfinalize.h: New. Function templates for expansion.
(FINALIZE_ALLOC): Expands into alloc_def, alloc_use, alloc_maydef,
alloc_vuse, and alloc_mustdef.
(FINALIZE_FUNC): Expands into finalize_ssa_def_ops,
finalize_ssa_use_ops, finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
and finalize_ssa_v_must_def_ops.
* tree-ssa-pre.c (add_to_sets): Pass tree to vn_add.
(create_value_expr_from): Use stmt not vuse_optype as a parameter. Pass
stmt around.
(compute_avail): Use generic iterator interface.
* tree-ssa-propagate.c (first_vdef): Use generic operand interface.
(stmt_makes_single_load, stmt_makes_single_store): Use
ZERO_SSA_OPERANDS.
* tree-ssa-sink.c (is_hidden_global_store): Use ZERO_SSA_OPERANDS.
(statement_sink_location): Use generic interface.
* tree-ssa.c (verify_ssa): Use %p in fprintf. Use generic interface.
(delete_tree_ssa): Don't call release_defs. Call release_ssa_name and
reset the immediate use link nodes.
(stmt_references_memory_p): Use ZERO_SSA_OPERANDS.
* tree-ssanames.c (make_ssa_name): Use use_operand_p.
* tree-tailcall.c (find_tail_calls): Use ZERO_SSA_OPERANDS.
(eliminate_tail_call): Use generic operand interface.
* tree-vect-analyze.c (vect_analyze_data_refs): Use ZERO_SSA_OPERANDS.
(vect_mark_relevant, vect_mark_stmts_to_be_vectorized): Use generic
interface.
* tree-vect-transform.c (update_vuses_to_preheader): Use generic
interface.
* tree-vectorizer.c (rename_variables_in_bb): Use generic interface.
* tree-vn.c (struct val_expr_pair_d): Cache statment pointer instead of
vuse_optype.
(vn_compute, val_expr_pair_hash, vn_add, vn_lookup, vn_lookup_or_add):
Use statement pointer instead of vuse_optype. Use generic interface.
* tree-vrp.c (maybe_add_assert_expr): Use generic interface.
(stmt_interesting_for_vrp, vrp_visit_stmt): Use ZERO_SSA_OPERANDS.
* tree.h (struct ssa_imm_use_d): Renamed to ssa_use_operand_d.
(tree_ssa_name, phi_arg_d): Use ssa_use_operand_d.
* doc/tree-ssa.texi: Update documentation for operand interface.
From-SVN: r99155
2005-05-03 14:19:56 +02:00
|
|
|
ssa_op_iter iter;
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
|
|
|
|
/* BB must end in a simple conditional jump. */
|
2014-11-19 18:00:54 +01:00
|
|
|
last = last_stmt (bb);
|
|
|
|
if (!last || gimple_code (last) != GIMPLE_COND)
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
return NULL_TREE;
|
2014-11-19 18:00:54 +01:00
|
|
|
stmt = as_a <gcond *> (last);
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
|
2010-06-25 14:10:42 +02:00
|
|
|
/* To keep the things simple, we do not directly remove the conditions,
|
|
|
|
but just replace tests with 0 != 0 resp. 1 != 0. Prevent the infinite
|
|
|
|
loop where we would unswitch again on such a condition. */
|
|
|
|
if (gimple_cond_true_p (stmt) || gimple_cond_false_p (stmt))
|
|
|
|
return NULL_TREE;
|
|
|
|
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
/* Condition must be invariant. */
|
lambda-code.c (gcc_loop_to_lambda_loop, [...]): Use generic operand interface.
2005-05-03 Andrew MacLeod <amacleod@redhat.com>
* lambda-code.c (gcc_loop_to_lambda_loop,
lambda_loopnest_to_gcc_loopnest, phi_loop_edge_uses_def,
stmt_is_bumper_for_loop, perfect_nest_p, replace_uses_of_x_with_y): Use
generic operand interface.
* tree-data-ref.c (find_data_references_in_loop): Use generic interface.
* tree-dfa.c (collect_dfa_stats_r, mark_new_vars_to_rename): Use
generic operand interface.
* tree-flow-inline.h (delink_imm_use, link_imm_use_to_list,
link_imm_use, link_imm_use_stmt, relink_imm_use, relink_imm_use_stmt,
next_safe_imm_use, has_zero_uses, has_single_use, single_imm_use,
num_imm_uses): Use ssa_use_operand_t.
(get_def_ops, get_use_ops, get_v_may_def_ops, get_vuse_ops,
get_v_must_def_ops): Delete.
(get_def_from_ptr, get_phi_result_ptr): Get def directly now.
(get_use_op_ptr, get_def_op_ptr, get_v_may_def_result_ptr,
get_v_may_def_op_ptr, get_vuse_op_ptr, get_v_must_def_result_ptr,
get_v_must_def_kill_ptr): Delete.
(delink_stmt_imm_use): Move and use new operand interface.
(op_iter_next_use, op_iter_next_def, op_iter_next_tree, op_iter_init,
op_iter_next_tree): Use new operand implementation.
(clear_and_done_ssa_iter): New. Initialize a blank operand iterator.
(op_iter_init_use, op_iter_init_def, op_iter_init_tree): Add iterator
type check.
(op_iter_next_mustdef, op_iter_next_maydef,
op_iter_next_must_and_may_def): Delete. Replace with...
(op_iter_next_maymustdef): New. Combine must and may next operations.
(op_iter_init_maydef, op_iter_init_mustdef,
op_iter_init_must_and_may_def): Use new interface.
(single_ssa_tree_operand ): New. Process single operands only as trees.
(single_ssa_use_operand): New. Process single operands only as uses.
(single_ssa_def_operand): New. Process single operands only as defs.
(zero_ssa_operands): New. Return TRUE if there are zero operands of the
specified types.
(num_ssa_operands): New. Count the number of specified operands.
(compare_ssa_operands_equal): New. Compare two statements' operands.
(single_phi_def): New. Return true if PHI has one def of the specified
operand type.
(op_iter_init_phiuse): New. Initialize the iterator for PHI arguments.
(op_iter_init_phidef): New. Initialize the iterator for the PHI def.
* tree-flow.h (struct immediate_use_iterator_d): Use ssa_use_operand_t.
(struct stmt_ann_d): Operands field no longer require GTY().
(vn_compute, vn_lookup_or_add, vn_add, vn_lookup): Change prototype.
* tree-into-ssa.c (mark_def_sites): Use SSA_OP_VMUSTKILL.
* tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
dump_replaceable_exprs, rewrite_trees): Use generic interface.
* tree-phinodes.c (make_phi_node, release_phi_node, resize_phi_node):
Use use_operand_p instead of ssa_imm_use_t *.
* tree-pretty-print.c (dump_vops): check if operands are active before
dumping virtual operands.
* tree-sra.c (sra_walk_function): Use ZERO_SSA_OPERANDS.
* tree-ssa-ccp.c (likely_value): Use ZERO_SSA_OPERANDS.
(ccp_fold): Use new interface.
(ccp_visit_stmt): Remove unused variables and code.
(convert_to_gimple_builtin): Insert statements before calling
mark_new_vars_to_rename.
* tree-ssa-copy.c (stmt_may_generate_copy): Use ZERO_SSA_OPERANDS.
(copy_prop_visit_cond_stmt): Use generic interface.
* tree-ssa-dom.c (struct expr_hash_elt): Use stmt pointer, not the
annotation in table.
(thread_across_edge): Use generic interface.
(initialize_hash_element): Initialzie with stmt, not annotation.
(eliminate_redundant_computations): Use generic interface.
(record_equivalences_from_stmt): Pass stmt, not annotation.
(avail_expr_hash, real_avail_expr_hash, avail_expr_eq): Use generic
interface.
* tree-ssa-dse.c (dse_optimize_stmt): Use ZERO_SSA_OPERANDS.
* tree-ssa-loop-ivopts.c (find_invariants_stmt,
find_interesting_uses_stmt, protect_loop_closed_ssa_form_use): Use
generic operand interface.
* tree-ssa-loop-niter.c (chain_of_csts_start, get_val_for): Use generic
interface.
* tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Use Generic operand
Interface.
* tree-ssa-operands.c (struct opbuild_list_d): New. Operand build type.
(build_defs, build_uses, build_v_may_defs, build_vuses,
build_v_must_defs): Change type to struct opbuild_list_d.
(ops_active): New. Operands active boolean.
(operand_memory, operand_memory_index): New. Operand memory managers.
(allocate_def_optype, allocate_use_optype, allocate_v_may_def_optype,
allocate_vuse_optype, allocate_v_must_def_optype): Delete.
(free_uses, free_defs, free_vuses, free_v_may_defs, free_v_must_defs):
Change from functions to static variable list heads.
(opbuild_initialize_virtual): New. Initialize a virtual build list.
(opbuild_initialize_real): New. Initialize a virtual build list.
(opbuild_free): New. Free a build list.
(opbuild_num_elems): New. Number of items in a list.
(opbuild_append_real): New. Add a real (tree *) operand.
(opbuild_append_virtual): New. Add and sort a virtual (tree) operand.
(opbuild_first): New. Return first element index in a list.
(opbuild_next): New. Return next element in a list.
(opbuild_elem_real): New. Return real element.
(opbuild_elem_virtual): New. Return virtual element.
(opbuild_elem_uid): New. Return UID of virtual element.
(opbuild_clear): New. Reset an operand list.
(opbuild_remove_elem): New. Remove an element form a list.
(ssa_operands_active): New. Return true if operand cache is active.
(init_ssa_operands, fini_ssa_operands): Initialize new implementation.
(ssa_operand_alloc): New. Allocate memory from an operand chunk.
(correct_use_link): Use use_operand_p.
(finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_defs,
finalize_ssa_vuses, finalize_ssa_v_must_defs): New implmentation.
(cleanup_v_may_defs): Use new implmentation.
(finalize_ssa_stmt_operands, start_ssa_stmt_operands): New
implementation.
(append_def, append_use, append_v_may_def, append_vuse,
append_v_must_def): Call opbuild_append routine instead of using varray.
(build_ssa_operands): Simplify to simply use stmt, don't maintain a
global parse_old_ops variable.
(free_ssa_operands): New implementation.
(update_stmt_operands): Move. Change argument to build_ssa_operands.
(copy_virtual_operands): Move. New generic implementation.
(create_ssa_artficial_load_stmt): Move. New implementation.
(swap_tree_operands): Update for new implementation.
(get_expr_operands): Add stmt parameter to calls to swap_tree_operands.
(add_call_clobber_ops, add_call_read_ops): Initialize opbuild list
rather than a varray.
(verify_imm_links): Use use_operand_p.
(dump_immediate_uses_for): If the immediate use variable is a virtual
variable, show the virtual ops in the stmt.
* tree-ssa-operands.h (def_operand_p): No longer a structure.
(NULL_DEF_OPERAND_P): Now a #define.
(def_optype_d, use_optype_d, v_def_use_operand_type, v_may_def_optype_d,
vuse_operand_type, vuse_optype_d, v_must_def_optype_d): Delete.
(def_optype_d, use_optype_d, maydef_optype_d, vuse_optype_d,
mustdef_optype_d): New. Use Linked list representation.
(SSA_OPERAND_MEMORY_SIZE): New. Size of operand memory chunk.
(struct ssa_operand_memory_d): New. Allocated Chunk node.
(struct stmt_operands_d): Change to new pointers that are not GTY.
(STMT_USE_OPS, NUM_USES, SET_USE_OP, STMT_DEF_OPS, NUM_DEFS, SET_DEF_OP,
STMT_V_MAY_DEF_OPS, NUM_V_MAY_DEFS, SET_V_MAY_DEF_RESULT,
SET_V_MAY_DEF_OP, STMT_VUSE_OPS, NUM_VUSES, SET_VUSE_OP,
STMT_V_MUST_DEF_OPS, NUM_V_MUST_DEFS, SET_V_MUST_DEF_RESULT,
SET_V_MUST_DEF_KILL): Delete.
(V_MAY_DEF_OPS, V_MAY_DEF_RESULT_PTR, V_MAY_DEF_RESULT,
V_MAY_DEF_OP_PTR, V_MAY_DEF_OP): Rename to MAYDEF_*.
(V_MUST_DEF_OPS, V_MUST_DEF_RESULT_PTR, V_MUST_DEF_RESULT,
V_MUST_DEF_KILL_PTR, V_MUST_DEF_KILL): Rename to MUSTDEF_*.
(enum ssa_op_iter_type): Operand iterator typechecking values.
(struct ssa_operand_iterator_d): Use linked lists of operands.
(SSA_OP_VMUSTDEFKILL): Rename to SSA_OP_VMUSTKILL.
(FOR_EACH_SSA_MAYDEF_OPERAND, FOR_EACH_SSA_MUSTDEF_OPERAND,
FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): Use op_iter_next_maymustdef.
(FOR_EACH_PHI_ARG): New. Iterate over PHI arguments.
(FOR_EACH_PHI_OR_STMT_USE): New. Iterate over PHI or stmt uses.
(FOR_EACH_PHI_OR_STMT_DEF): New. Iterate over PHI or stmt defs.
(SINGLE_SSA_TREE_OPERAND, SINGLE_SSA_USE_OPERAND,
SINGLE_SSA_DEF_OPERAND, ZERO_SSA_OPERANDS, NUM_SSA_OPERANDS): New.
* tree-ssa-opfinalize.h: New. Function templates for expansion.
(FINALIZE_ALLOC): Expands into alloc_def, alloc_use, alloc_maydef,
alloc_vuse, and alloc_mustdef.
(FINALIZE_FUNC): Expands into finalize_ssa_def_ops,
finalize_ssa_use_ops, finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
and finalize_ssa_v_must_def_ops.
* tree-ssa-pre.c (add_to_sets): Pass tree to vn_add.
(create_value_expr_from): Use stmt not vuse_optype as a parameter. Pass
stmt around.
(compute_avail): Use generic iterator interface.
* tree-ssa-propagate.c (first_vdef): Use generic operand interface.
(stmt_makes_single_load, stmt_makes_single_store): Use
ZERO_SSA_OPERANDS.
* tree-ssa-sink.c (is_hidden_global_store): Use ZERO_SSA_OPERANDS.
(statement_sink_location): Use generic interface.
* tree-ssa.c (verify_ssa): Use %p in fprintf. Use generic interface.
(delete_tree_ssa): Don't call release_defs. Call release_ssa_name and
reset the immediate use link nodes.
(stmt_references_memory_p): Use ZERO_SSA_OPERANDS.
* tree-ssanames.c (make_ssa_name): Use use_operand_p.
* tree-tailcall.c (find_tail_calls): Use ZERO_SSA_OPERANDS.
(eliminate_tail_call): Use generic operand interface.
* tree-vect-analyze.c (vect_analyze_data_refs): Use ZERO_SSA_OPERANDS.
(vect_mark_relevant, vect_mark_stmts_to_be_vectorized): Use generic
interface.
* tree-vect-transform.c (update_vuses_to_preheader): Use generic
interface.
* tree-vectorizer.c (rename_variables_in_bb): Use generic interface.
* tree-vn.c (struct val_expr_pair_d): Cache statment pointer instead of
vuse_optype.
(vn_compute, val_expr_pair_hash, vn_add, vn_lookup, vn_lookup_or_add):
Use statement pointer instead of vuse_optype. Use generic interface.
* tree-vrp.c (maybe_add_assert_expr): Use generic interface.
(stmt_interesting_for_vrp, vrp_visit_stmt): Use ZERO_SSA_OPERANDS.
* tree.h (struct ssa_imm_use_d): Renamed to ssa_use_operand_d.
(tree_ssa_name, phi_arg_d): Use ssa_use_operand_d.
* doc/tree-ssa.texi: Update documentation for operand interface.
From-SVN: r99155
2005-05-03 14:19:56 +02:00
|
|
|
FOR_EACH_SSA_TREE_OPERAND (use, stmt, iter, SSA_OP_USE)
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
{
|
lambda-code.c (gcc_loop_to_lambda_loop, [...]): Use generic operand interface.
2005-05-03 Andrew MacLeod <amacleod@redhat.com>
* lambda-code.c (gcc_loop_to_lambda_loop,
lambda_loopnest_to_gcc_loopnest, phi_loop_edge_uses_def,
stmt_is_bumper_for_loop, perfect_nest_p, replace_uses_of_x_with_y): Use
generic operand interface.
* tree-data-ref.c (find_data_references_in_loop): Use generic interface.
* tree-dfa.c (collect_dfa_stats_r, mark_new_vars_to_rename): Use
generic operand interface.
* tree-flow-inline.h (delink_imm_use, link_imm_use_to_list,
link_imm_use, link_imm_use_stmt, relink_imm_use, relink_imm_use_stmt,
next_safe_imm_use, has_zero_uses, has_single_use, single_imm_use,
num_imm_uses): Use ssa_use_operand_t.
(get_def_ops, get_use_ops, get_v_may_def_ops, get_vuse_ops,
get_v_must_def_ops): Delete.
(get_def_from_ptr, get_phi_result_ptr): Get def directly now.
(get_use_op_ptr, get_def_op_ptr, get_v_may_def_result_ptr,
get_v_may_def_op_ptr, get_vuse_op_ptr, get_v_must_def_result_ptr,
get_v_must_def_kill_ptr): Delete.
(delink_stmt_imm_use): Move and use new operand interface.
(op_iter_next_use, op_iter_next_def, op_iter_next_tree, op_iter_init,
op_iter_next_tree): Use new operand implementation.
(clear_and_done_ssa_iter): New. Initialize a blank operand iterator.
(op_iter_init_use, op_iter_init_def, op_iter_init_tree): Add iterator
type check.
(op_iter_next_mustdef, op_iter_next_maydef,
op_iter_next_must_and_may_def): Delete. Replace with...
(op_iter_next_maymustdef): New. Combine must and may next operations.
(op_iter_init_maydef, op_iter_init_mustdef,
op_iter_init_must_and_may_def): Use new interface.
(single_ssa_tree_operand ): New. Process single operands only as trees.
(single_ssa_use_operand): New. Process single operands only as uses.
(single_ssa_def_operand): New. Process single operands only as defs.
(zero_ssa_operands): New. Return TRUE if there are zero operands of the
specified types.
(num_ssa_operands): New. Count the number of specified operands.
(compare_ssa_operands_equal): New. Compare two statements' operands.
(single_phi_def): New. Return true if PHI has one def of the specified
operand type.
(op_iter_init_phiuse): New. Initialize the iterator for PHI arguments.
(op_iter_init_phidef): New. Initialize the iterator for the PHI def.
* tree-flow.h (struct immediate_use_iterator_d): Use ssa_use_operand_t.
(struct stmt_ann_d): Operands field no longer require GTY().
(vn_compute, vn_lookup_or_add, vn_add, vn_lookup): Change prototype.
* tree-into-ssa.c (mark_def_sites): Use SSA_OP_VMUSTKILL.
* tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
dump_replaceable_exprs, rewrite_trees): Use generic interface.
* tree-phinodes.c (make_phi_node, release_phi_node, resize_phi_node):
Use use_operand_p instead of ssa_imm_use_t *.
* tree-pretty-print.c (dump_vops): check if operands are active before
dumping virtual operands.
* tree-sra.c (sra_walk_function): Use ZERO_SSA_OPERANDS.
* tree-ssa-ccp.c (likely_value): Use ZERO_SSA_OPERANDS.
(ccp_fold): Use new interface.
(ccp_visit_stmt): Remove unused variables and code.
(convert_to_gimple_builtin): Insert statements before calling
mark_new_vars_to_rename.
* tree-ssa-copy.c (stmt_may_generate_copy): Use ZERO_SSA_OPERANDS.
(copy_prop_visit_cond_stmt): Use generic interface.
* tree-ssa-dom.c (struct expr_hash_elt): Use stmt pointer, not the
annotation in table.
(thread_across_edge): Use generic interface.
(initialize_hash_element): Initialzie with stmt, not annotation.
(eliminate_redundant_computations): Use generic interface.
(record_equivalences_from_stmt): Pass stmt, not annotation.
(avail_expr_hash, real_avail_expr_hash, avail_expr_eq): Use generic
interface.
* tree-ssa-dse.c (dse_optimize_stmt): Use ZERO_SSA_OPERANDS.
* tree-ssa-loop-ivopts.c (find_invariants_stmt,
find_interesting_uses_stmt, protect_loop_closed_ssa_form_use): Use
generic operand interface.
* tree-ssa-loop-niter.c (chain_of_csts_start, get_val_for): Use generic
interface.
* tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Use Generic operand
Interface.
* tree-ssa-operands.c (struct opbuild_list_d): New. Operand build type.
(build_defs, build_uses, build_v_may_defs, build_vuses,
build_v_must_defs): Change type to struct opbuild_list_d.
(ops_active): New. Operands active boolean.
(operand_memory, operand_memory_index): New. Operand memory managers.
(allocate_def_optype, allocate_use_optype, allocate_v_may_def_optype,
allocate_vuse_optype, allocate_v_must_def_optype): Delete.
(free_uses, free_defs, free_vuses, free_v_may_defs, free_v_must_defs):
Change from functions to static variable list heads.
(opbuild_initialize_virtual): New. Initialize a virtual build list.
(opbuild_initialize_real): New. Initialize a virtual build list.
(opbuild_free): New. Free a build list.
(opbuild_num_elems): New. Number of items in a list.
(opbuild_append_real): New. Add a real (tree *) operand.
(opbuild_append_virtual): New. Add and sort a virtual (tree) operand.
(opbuild_first): New. Return first element index in a list.
(opbuild_next): New. Return next element in a list.
(opbuild_elem_real): New. Return real element.
(opbuild_elem_virtual): New. Return virtual element.
(opbuild_elem_uid): New. Return UID of virtual element.
(opbuild_clear): New. Reset an operand list.
(opbuild_remove_elem): New. Remove an element form a list.
(ssa_operands_active): New. Return true if operand cache is active.
(init_ssa_operands, fini_ssa_operands): Initialize new implementation.
(ssa_operand_alloc): New. Allocate memory from an operand chunk.
(correct_use_link): Use use_operand_p.
(finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_defs,
finalize_ssa_vuses, finalize_ssa_v_must_defs): New implmentation.
(cleanup_v_may_defs): Use new implmentation.
(finalize_ssa_stmt_operands, start_ssa_stmt_operands): New
implementation.
(append_def, append_use, append_v_may_def, append_vuse,
append_v_must_def): Call opbuild_append routine instead of using varray.
(build_ssa_operands): Simplify to simply use stmt, don't maintain a
global parse_old_ops variable.
(free_ssa_operands): New implementation.
(update_stmt_operands): Move. Change argument to build_ssa_operands.
(copy_virtual_operands): Move. New generic implementation.
(create_ssa_artficial_load_stmt): Move. New implementation.
(swap_tree_operands): Update for new implementation.
(get_expr_operands): Add stmt parameter to calls to swap_tree_operands.
(add_call_clobber_ops, add_call_read_ops): Initialize opbuild list
rather than a varray.
(verify_imm_links): Use use_operand_p.
(dump_immediate_uses_for): If the immediate use variable is a virtual
variable, show the virtual ops in the stmt.
* tree-ssa-operands.h (def_operand_p): No longer a structure.
(NULL_DEF_OPERAND_P): Now a #define.
(def_optype_d, use_optype_d, v_def_use_operand_type, v_may_def_optype_d,
vuse_operand_type, vuse_optype_d, v_must_def_optype_d): Delete.
(def_optype_d, use_optype_d, maydef_optype_d, vuse_optype_d,
mustdef_optype_d): New. Use Linked list representation.
(SSA_OPERAND_MEMORY_SIZE): New. Size of operand memory chunk.
(struct ssa_operand_memory_d): New. Allocated Chunk node.
(struct stmt_operands_d): Change to new pointers that are not GTY.
(STMT_USE_OPS, NUM_USES, SET_USE_OP, STMT_DEF_OPS, NUM_DEFS, SET_DEF_OP,
STMT_V_MAY_DEF_OPS, NUM_V_MAY_DEFS, SET_V_MAY_DEF_RESULT,
SET_V_MAY_DEF_OP, STMT_VUSE_OPS, NUM_VUSES, SET_VUSE_OP,
STMT_V_MUST_DEF_OPS, NUM_V_MUST_DEFS, SET_V_MUST_DEF_RESULT,
SET_V_MUST_DEF_KILL): Delete.
(V_MAY_DEF_OPS, V_MAY_DEF_RESULT_PTR, V_MAY_DEF_RESULT,
V_MAY_DEF_OP_PTR, V_MAY_DEF_OP): Rename to MAYDEF_*.
(V_MUST_DEF_OPS, V_MUST_DEF_RESULT_PTR, V_MUST_DEF_RESULT,
V_MUST_DEF_KILL_PTR, V_MUST_DEF_KILL): Rename to MUSTDEF_*.
(enum ssa_op_iter_type): Operand iterator typechecking values.
(struct ssa_operand_iterator_d): Use linked lists of operands.
(SSA_OP_VMUSTDEFKILL): Rename to SSA_OP_VMUSTKILL.
(FOR_EACH_SSA_MAYDEF_OPERAND, FOR_EACH_SSA_MUSTDEF_OPERAND,
FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): Use op_iter_next_maymustdef.
(FOR_EACH_PHI_ARG): New. Iterate over PHI arguments.
(FOR_EACH_PHI_OR_STMT_USE): New. Iterate over PHI or stmt uses.
(FOR_EACH_PHI_OR_STMT_DEF): New. Iterate over PHI or stmt defs.
(SINGLE_SSA_TREE_OPERAND, SINGLE_SSA_USE_OPERAND,
SINGLE_SSA_DEF_OPERAND, ZERO_SSA_OPERANDS, NUM_SSA_OPERANDS): New.
* tree-ssa-opfinalize.h: New. Function templates for expansion.
(FINALIZE_ALLOC): Expands into alloc_def, alloc_use, alloc_maydef,
alloc_vuse, and alloc_mustdef.
(FINALIZE_FUNC): Expands into finalize_ssa_def_ops,
finalize_ssa_use_ops, finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
and finalize_ssa_v_must_def_ops.
* tree-ssa-pre.c (add_to_sets): Pass tree to vn_add.
(create_value_expr_from): Use stmt not vuse_optype as a parameter. Pass
stmt around.
(compute_avail): Use generic iterator interface.
* tree-ssa-propagate.c (first_vdef): Use generic operand interface.
(stmt_makes_single_load, stmt_makes_single_store): Use
ZERO_SSA_OPERANDS.
* tree-ssa-sink.c (is_hidden_global_store): Use ZERO_SSA_OPERANDS.
(statement_sink_location): Use generic interface.
* tree-ssa.c (verify_ssa): Use %p in fprintf. Use generic interface.
(delete_tree_ssa): Don't call release_defs. Call release_ssa_name and
reset the immediate use link nodes.
(stmt_references_memory_p): Use ZERO_SSA_OPERANDS.
* tree-ssanames.c (make_ssa_name): Use use_operand_p.
* tree-tailcall.c (find_tail_calls): Use ZERO_SSA_OPERANDS.
(eliminate_tail_call): Use generic operand interface.
* tree-vect-analyze.c (vect_analyze_data_refs): Use ZERO_SSA_OPERANDS.
(vect_mark_relevant, vect_mark_stmts_to_be_vectorized): Use generic
interface.
* tree-vect-transform.c (update_vuses_to_preheader): Use generic
interface.
* tree-vectorizer.c (rename_variables_in_bb): Use generic interface.
* tree-vn.c (struct val_expr_pair_d): Cache statment pointer instead of
vuse_optype.
(vn_compute, val_expr_pair_hash, vn_add, vn_lookup, vn_lookup_or_add):
Use statement pointer instead of vuse_optype. Use generic interface.
* tree-vrp.c (maybe_add_assert_expr): Use generic interface.
(stmt_interesting_for_vrp, vrp_visit_stmt): Use ZERO_SSA_OPERANDS.
* tree.h (struct ssa_imm_use_d): Renamed to ssa_use_operand_d.
(tree_ssa_name, phi_arg_d): Use ssa_use_operand_d.
* doc/tree-ssa.texi: Update documentation for operand interface.
From-SVN: r99155
2005-05-03 14:19:56 +02:00
|
|
|
def = SSA_NAME_DEF_STMT (use);
|
2008-07-28 16:33:56 +02:00
|
|
|
def_bb = gimple_bb (def);
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
if (def_bb
|
|
|
|
&& flow_bb_inside_loop_p (loop, def_bb))
|
|
|
|
return NULL_TREE;
|
2017-01-31 11:30:47 +01:00
|
|
|
/* Unswitching on undefined values would introduce undefined
|
|
|
|
behavior that the original program might never exercise. */
|
|
|
|
if (is_maybe_undefined (use, stmt, loop))
|
|
|
|
return NULL_TREE;
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
}
|
|
|
|
|
2008-07-31 16:12:24 +02:00
|
|
|
cond = build2 (gimple_cond_code (stmt), boolean_type_node,
|
|
|
|
gimple_cond_lhs (stmt), gimple_cond_rhs (stmt));
|
2008-07-28 16:33:56 +02:00
|
|
|
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
return cond;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Simplifies COND using checks in front of the entry of the LOOP. Just very
|
|
|
|
simplish (sufficient to prevent us from duplicating loop in unswitching
|
2004-09-25 16:19:02 +02:00
|
|
|
unnecessarily). */
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
|
|
|
|
static tree
|
|
|
|
simplify_using_entry_checks (struct loop *loop, tree cond)
|
|
|
|
{
|
|
|
|
edge e = loop_preheader_edge (loop);
|
2015-09-20 02:52:59 +02:00
|
|
|
gimple *stmt;
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
|
|
|
|
while (1)
|
|
|
|
{
|
|
|
|
stmt = last_stmt (e->src);
|
|
|
|
if (stmt
|
2008-07-28 16:33:56 +02:00
|
|
|
&& gimple_code (stmt) == GIMPLE_COND
|
|
|
|
&& gimple_cond_code (stmt) == TREE_CODE (cond)
|
|
|
|
&& operand_equal_p (gimple_cond_lhs (stmt),
|
|
|
|
TREE_OPERAND (cond, 0), 0)
|
|
|
|
&& operand_equal_p (gimple_cond_rhs (stmt),
|
|
|
|
TREE_OPERAND (cond, 1), 0))
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
return (e->flags & EDGE_TRUE_VALUE
|
|
|
|
? boolean_true_node
|
|
|
|
: boolean_false_node);
|
|
|
|
|
basic-block.h (single_succ_p, [...]): New inline functions.
* basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
single_pred_edge, single_succ, single_pred): New inline functions.
* bb-reorder.c (rotate_loop, find_traces_1_round,
add_labels_and_missing_jumps, fix_up_fall_thru_edges,
duplicate_computed_gotos): Use the single_succ/pred functions.
* cfganal.c (forwarder_block_p): Ditto.
* cfgbuild.c (compute_outgoing_frequencies): Ditto.
* cfgcleanup.c (try_simplify_condjump, try_forward_edges,
outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
merge_seq_blocks): Ditto.
* cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
* cfglayout.c (fixup_reorder_chain): Ditto.
* cfgloop.c (mark_single_exit_loops, update_latch_info,
canonicalize_loop_headers, verify_loop_structure): Ditto.
* cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
mfb_update_loops, create_preheader, force_single_succ_latches,
create_loop_notes): Ditto.
* cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
commit_one_edge_insertion, purge_dead_edges,
cfg_layout_can_merge_blocks_p): Ditto.
* except.c (sjlj_emit_function_enter): Ditto.
* flow.c (init_propagate_block_info): Ditto.
* function.c (thread_prologue_and_epilogue_insns): Ditto.
* gcse.c (find_implicit_sets, bypass_conditional_jumps,
insert_insn_end_bb): Ditto.
* ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
find_if_case_2): Ditto.
* lambda-code.c (perfect_nestify): Ditto.
* lcm.c (optimize_mode_switching): Ditto.
* loop-doloop.c (doloop_modify): Ditto.
* loop-init.c (loop_optimizer_init): Ditto.
* loop-iv.c (simplify_using_initial_values): Ditto.
* loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
* loop-unswitch.c (unswitch_loop): Ditto.
* modulo-sched.c (generate_prolog_epilog): Ditto.
* predict.c (combine_predictions_for_insn, estimate_probability,
tree_estimate_probability, last_basic_block_p,
estimate_bb_frequencies): Ditto.
* profile.c (branch_prob): Ditto.
* regrename.c (copyprop_hardreg_forward): Ditto.
* sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
* tracer.c (layout_superblocks): Ditto.
* tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
cfg_remove_useless_stmts_bb, cleanup_control_flow,
cleanup_control_expr_graph, disband_implicit_edges,
tree_find_edge_insert_loc, bsi_commit_edge_inserts,
tree_verify_flow_info, tree_make_forwarder_block,
tree_forwarder_block_p, remove_forwarder_block,
remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
* tree-if-conv.c (tree_if_conversion): Ditto.
* tree-mudflap.c (mf_build_check_statement_for): Ditto.
* tree-ssa-dce.c (remove_dead_stmt): Ditto.
* tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
* tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
copy_loop_headers): Ditto.
* tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
* tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
* tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
* tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
* tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
* tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
* tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
* tree-ssa-threadupdate.c (redirect_edges): Ditto.
* tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
* tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
* tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
* tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
slpeel_add_loop_guard): Ditto.
From-SVN: r96292
2005-03-11 10:05:12 +01:00
|
|
|
if (!single_pred_p (e->src))
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
return cond;
|
|
|
|
|
basic-block.h (single_succ_p, [...]): New inline functions.
* basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
single_pred_edge, single_succ, single_pred): New inline functions.
* bb-reorder.c (rotate_loop, find_traces_1_round,
add_labels_and_missing_jumps, fix_up_fall_thru_edges,
duplicate_computed_gotos): Use the single_succ/pred functions.
* cfganal.c (forwarder_block_p): Ditto.
* cfgbuild.c (compute_outgoing_frequencies): Ditto.
* cfgcleanup.c (try_simplify_condjump, try_forward_edges,
outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
merge_seq_blocks): Ditto.
* cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
* cfglayout.c (fixup_reorder_chain): Ditto.
* cfgloop.c (mark_single_exit_loops, update_latch_info,
canonicalize_loop_headers, verify_loop_structure): Ditto.
* cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
mfb_update_loops, create_preheader, force_single_succ_latches,
create_loop_notes): Ditto.
* cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
commit_one_edge_insertion, purge_dead_edges,
cfg_layout_can_merge_blocks_p): Ditto.
* except.c (sjlj_emit_function_enter): Ditto.
* flow.c (init_propagate_block_info): Ditto.
* function.c (thread_prologue_and_epilogue_insns): Ditto.
* gcse.c (find_implicit_sets, bypass_conditional_jumps,
insert_insn_end_bb): Ditto.
* ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
find_if_case_2): Ditto.
* lambda-code.c (perfect_nestify): Ditto.
* lcm.c (optimize_mode_switching): Ditto.
* loop-doloop.c (doloop_modify): Ditto.
* loop-init.c (loop_optimizer_init): Ditto.
* loop-iv.c (simplify_using_initial_values): Ditto.
* loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
* loop-unswitch.c (unswitch_loop): Ditto.
* modulo-sched.c (generate_prolog_epilog): Ditto.
* predict.c (combine_predictions_for_insn, estimate_probability,
tree_estimate_probability, last_basic_block_p,
estimate_bb_frequencies): Ditto.
* profile.c (branch_prob): Ditto.
* regrename.c (copyprop_hardreg_forward): Ditto.
* sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
* tracer.c (layout_superblocks): Ditto.
* tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
cfg_remove_useless_stmts_bb, cleanup_control_flow,
cleanup_control_expr_graph, disband_implicit_edges,
tree_find_edge_insert_loc, bsi_commit_edge_inserts,
tree_verify_flow_info, tree_make_forwarder_block,
tree_forwarder_block_p, remove_forwarder_block,
remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
* tree-if-conv.c (tree_if_conversion): Ditto.
* tree-mudflap.c (mf_build_check_statement_for): Ditto.
* tree-ssa-dce.c (remove_dead_stmt): Ditto.
* tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
* tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
copy_loop_headers): Ditto.
* tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
* tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
* tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
* tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
* tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
* tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
* tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
* tree-ssa-threadupdate.c (redirect_edges): Ditto.
* tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
* tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
* tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
* tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
slpeel_add_loop_guard): Ditto.
From-SVN: r96292
2005-03-11 10:05:12 +01:00
|
|
|
e = single_pred_edge (e->src);
|
Eliminate ENTRY_BLOCK_PTR and EXIT_BLOCK_PTR macros
gcc/
* basic-block.h (ENTRY_BLOCK_PTR_FOR_FUNCTION): Rename macro to...
(EXIT_BLOCK_PTR_FOR_FUNCTION): ...this.
(ENTRY_BLOCK_PTR_FOR_FN): Renamed macro to...
(EXIT_BLOCK_PTR_FOR_FN): ...this.
(ENTRY_BLOCK_PTR): Eliminate macro as work towards making uses of
cfun be explicit.
(EXIT_BLOCK_PTR): Likewise.
(FOR_ALL_BB): Rework for now to eliminate use of "ENTRY_BLOCK_PTR".
(FOR_ALL_BB_FN): Update for renaming of
"ENTRY_BLOCK_PTR_FOR_FUNCTION" to "ENTRY_BLOCK_PTR_FOR_FN".
* cfg.c (init_flow): Likewise.
(check_bb_profile): Likewise.
* cfganal.c (pre_and_rev_post_order_compute_fn): Likewise.
* cfgcleanup.c (walk_to_nondebug_insn): Likewise.
* cfghooks.c (account_profile_record): Likewise.
* cfgloop.c (init_loops_structure): Likewise.
* cgraphbuild.c (record_eh_tables): Likewise.
(compute_call_stmt_bb_frequency): Likewise.
* ipa-inline-analysis.c (compute_bb_predicates): Likewise.
* lto-streamer-in.c (input_cfg): Likewise.
* predict.c (maybe_hot_frequency_p): Likewise.
* tree-cfg.c (init_empty_tree_cfg_for_function): Likewise.
* tree-inline.c (initialize_cfun): Likewise.
(copy_cfg_body): Likewise.
(copy_body): Likewise.
(tree_function_versioning): Likewise.
* bb-reorder.c (add_labels_and_missing_jumps): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(duplicate_computed_gotos): Remove usage of EXIT_BLOCK_PTR macro.
(find_rarely_executed_basic_blocks_and_crossing_edges): Remove uses of
macros: ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(connect_traces): Likewise.
(rest_of_handle_reorder_blocks): Remove usage of EXIT_BLOCK_PTR macro.
(bb_to_key): Remove usage of ENTRY_BLOCK_PTR macro.
(fix_crossing_conditional_branches): Remove usage of EXIT_BLOCK_PTR
macro.
(find_traces_1_round): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(fix_up_fall_thru_edges): Remove usage of EXIT_BLOCK_PTR macro.
(find_traces): Remove usage of ENTRY_BLOCK_PTR macro.
(fix_up_crossing_landing_pad): Remove usage of EXIT_BLOCK_PTR macro.
(rotate_loop): Likewise.
* bt-load.c (migrate_btr_def): Remove usage of ENTRY_BLOCK_PTR macro.
* cfg.c (clear_aux_for_edges): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(alloc_aux_for_edges): Likewise.
(clear_bb_flags): Remove usage of ENTRY_BLOCK_PTR macro.
(cached_make_edge): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(compact_blocks): Likewise.
(clear_edges): Likewise.
* cfganal.c (single_pred_before_succ_order): Remove usage of
ENTRY_BLOCK_PTR macro.
(bitmap_union_of_succs): Remove usage of EXIT_BLOCK_PTR macro.
(bitmap_union_of_preds): Remove usage of ENTRY_BLOCK_PTR macro.
(bitmap_intersection_of_succs): Remove usage of EXIT_BLOCK_PTR macro.
(bitmap_intersection_of_preds): Remove usage of ENTRY_BLOCK_PTR macro.
(inverted_post_order_compute): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(compute_dominance_frontiers_1): Remove usage of ENTRY_BLOCK_PTR
macro.
(post_order_compute): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(connect_infinite_loops_to_exit): Remove usage of EXIT_BLOCK_PTR
macro.
(remove_fake_edges): Remove usage of ENTRY_BLOCK_PTR macro.
(add_noreturn_fake_exit_edges): Remove usage of EXIT_BLOCK_PTR macro.
(find_pdom): Remove uses of macros: ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(remove_fake_exit_edges): Remove usage of EXIT_BLOCK_PTR macro.
(verify_edge_list): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(print_edge_list): Likewise.
(create_edge_list): Likewise.
(find_unreachable_blocks): Remove usage of ENTRY_BLOCK_PTR macro.
(mark_dfs_back_edges): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
* cfgbuild.c (find_bb_boundaries): Remove usage of ENTRY_BLOCK_PTR
macro.
(find_many_sub_basic_blocks): Remove usage of EXIT_BLOCK_PTR macro.
(make_edges): Remove uses of macros: ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
* cfgcleanup.c (delete_unreachable_blocks): Likewise.
(try_optimize_cfg): Likewise.
(try_head_merge_bb): Remove usage of EXIT_BLOCK_PTR macro.
(try_crossjump_to_edge): Remove usage of ENTRY_BLOCK_PTR macro.
(try_crossjump_bb): Remove usage of EXIT_BLOCK_PTR macro.
(merge_blocks_move): Remove usage of ENTRY_BLOCK_PTR macro.
(outgoing_edges_match): Remove usage of EXIT_BLOCK_PTR macro.
(try_forward_edges): Likewise.
(try_simplify_condjump): Likewise.
* cfgexpand.c (gimple_expand_cfg): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(construct_exit_block): Remove usage of EXIT_BLOCK_PTR macro.
(construct_init_block): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(expand_gimple_basic_block): Remove usage of EXIT_BLOCK_PTR macro.
(expand_gimple_tailcall): Likewise.
* cfghooks.c (can_duplicate_block_p): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(tidy_fallthru_edges): Likewise.
(verify_flow_info): Likewise.
* cfgloop.c (flow_bb_inside_loop_p): Likewise.
(num_loop_branches): Remove usage of EXIT_BLOCK_PTR macro.
(disambiguate_multiple_latches): Remove usage of ENTRY_BLOCK_PTR
macro.
(get_loop_exit_edges): Remove usage of EXIT_BLOCK_PTR macro.
(bb_loop_header_p): Remove usage of ENTRY_BLOCK_PTR macro.
(get_loop_body_in_bfs_order): Remove usage of EXIT_BLOCK_PTR macro.
(get_loop_body_in_dom_order): Likewise.
(get_loop_body): Likewise.
* cfgloopanal.c (mark_irreducible_loops): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
* cfgloopmanip.c (create_preheader): Remove usage of ENTRY_BLOCK_PTR
macro.
(remove_path): Remove usage of EXIT_BLOCK_PTR macro.
(fix_bb_placement): Likewise.
* cfgrtl.c (rtl_block_empty_p): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(rtl_can_remove_branch_p): Remove usage of EXIT_BLOCK_PTR macro.
(cfg_layout_split_edge): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(rtl_flow_call_edges_add): Remove usage of EXIT_BLOCK_PTR macro.
(cfg_layout_can_merge_blocks_p): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(cfg_layout_redirect_edge_and_branch): Remove usage of ENTRY_BLOCK_PTR
macro.
(fixup_fallthru_exit_predecessor): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(fixup_reorder_chain): Likewise.
(relink_block_chain): Likewise.
(cfg_layout_delete_block): Remove usage of EXIT_BLOCK_PTR macro.
(rtl_verify_bb_layout): Remove usage of ENTRY_BLOCK_PTR macro.
(cfg_layout_duplicate_bb): Remove usage of EXIT_BLOCK_PTR macro.
(force_one_exit_fallthru): Likewise.
(rtl_verify_fallthru): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(rtl_verify_edges): Likewise.
(commit_edge_insertions): Likewise.
(commit_one_edge_insertion): Likewise.
(rtl_split_edge): Likewise.
(force_nonfallthru_and_redirect): Likewise.
(outof_cfg_layout_mode): Remove usage of EXIT_BLOCK_PTR macro.
(skip_insns_after_block): Likewise.
(fixup_partition_crossing): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(purge_dead_edges): Remove usage of EXIT_BLOCK_PTR macro.
(rtl_can_merge_blocks): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(contains_no_active_insn_p): Likewise.
(emit_insn_at_entry): Remove usage of ENTRY_BLOCK_PTR macro.
(entry_of_function): Likewise.
(last_bb_in_partition): Remove usage of EXIT_BLOCK_PTR macro.
(fixup_new_cold_bb): Likewise.
(patch_jump_insn): Likewise.
(try_redirect_by_replacing_jump): Likewise.
(block_label): Likewise.
(could_fall_through): Likewise.
(can_fallthru): Likewise.
* cgraphbuild.c (cgraph_rebuild_references): Remove usage of
ENTRY_BLOCK_PTR macro.
(rebuild_cgraph_edges): Likewise.
* cgraphunit.c (init_lowered_empty_function): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(expand_thunk): Remove usage of EXIT_BLOCK_PTR macro.
* combine.c (get_last_value): Remove usage of ENTRY_BLOCK_PTR macro.
(distribute_links): Remove usage of EXIT_BLOCK_PTR macro.
(get_last_value_validate): Remove usage of ENTRY_BLOCK_PTR macro.
(try_combine): Remove usage of EXIT_BLOCK_PTR macro.
(reg_num_sign_bit_copies_for_combine): Remove usage of ENTRY_BLOCK_PTR
macro.
(reg_nonzero_bits_for_combine): Likewise.
(set_nonzero_bits_and_sign_copies): Likewise.
(combine_instructions): Likewise.
* cprop.c (one_cprop_pass): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(bypass_conditional_jumps): Likewise.
(bypass_block): Remove usage of EXIT_BLOCK_PTR macro.
(find_implicit_sets): Likewise.
(cprop_jump): Likewise.
* cse.c (cse_cc_succs): Likewise.
(cse_find_path): Likewise.
* df-problems.c (df_lr_confluence_0): Likewise.
* df-scan.c (df_entry_block_defs_collect): Remove usage of
ENTRY_BLOCK_PTR macro.
(df_exit_block_uses_collect): Remove usage of EXIT_BLOCK_PTR macro.
* dominance.c (iterate_fix_dominators): Remove usage of
ENTRY_BLOCK_PTR macro.
(calc_idoms): Remove uses of macros: ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(determine_dominators_for_sons): Remove usage of ENTRY_BLOCK_PTR
macro.
(calc_dfs_tree): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(prune_bbs_to_update_dominators): Remove usage of ENTRY_BLOCK_PTR
macro.
(calc_dfs_tree_nonrec): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
* domwalk.c (cmp_bb_postorder): Likewise.
* dse.c (dse_step1): Remove usage of EXIT_BLOCK_PTR macro.
* except.c (finish_eh_generation): Remove usage of ENTRY_BLOCK_PTR
macro.
(sjlj_emit_function_enter): Likewise.
* final.c (compute_alignments): Likewise.
* function.c (thread_prologue_and_epilogue_insns): Remove uses of
macros: ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(reposition_prologue_and_epilogue_notes): Remove usage of
EXIT_BLOCK_PTR macro.
(convert_jumps_to_returns): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(regno_clobbered_at_setjmp): Remove usage of ENTRY_BLOCK_PTR macro.
(next_block_for_reg): Remove usage of EXIT_BLOCK_PTR macro.
* gcse.c (hoist_code): Remove usage of ENTRY_BLOCK_PTR macro.
(update_bb_reg_pressure): Remove usage of EXIT_BLOCK_PTR macro.
(compute_code_hoist_vbeinout): Likewise.
(should_hoist_expr_to_dom): Remove usage of ENTRY_BLOCK_PTR macro.
(pre_expr_reaches_here_p_work): Likewise.
* gimple-iterator.c (gsi_commit_edge_inserts): Likewise.
(gimple_find_edge_insert_loc): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
* gimple-ssa-strength-reduction.c (slsr_process_phi): Remove usage of
ENTRY_BLOCK_PTR macro.
* graph.c (draw_cfg_nodes_for_loop): Remove usage of EXIT_BLOCK_PTR
macro.
* graphite-clast-to-gimple.c (translate_clast_user): Remove usage of
ENTRY_BLOCK_PTR macro.
* graphite-scop-detection.c (build_scops): Likewise.
(create_sese_edges): Remove usage of EXIT_BLOCK_PTR macro.
(scopdet_basic_block_info): Remove usage of ENTRY_BLOCK_PTR macro.
* haifa-sched.c (restore_bb_notes): Remove usage of EXIT_BLOCK_PTR
macro.
(unlink_bb_notes): Likewise.
(create_check_block_twin): Likewise.
(init_before_recovery): Likewise.
(sched_extend_bb): Likewise.
(priority): Likewise.
* hw-doloop.c (reorder_loops): Likewise.
(discover_loop): Likewise.
* ifcvt.c (dead_or_predicable): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(find_if_case_1): Remove usage of EXIT_BLOCK_PTR macro.
(block_has_only_trap): Likewise.
(cond_exec_find_if_block): Likewise.
(merge_if_block): Likewise.
* ipa-inline-analysis.c (param_change_prob): Remove usage of
ENTRY_BLOCK_PTR macro.
(record_modified): Likewise.
* ipa-pure-const.c (execute_warn_function_noreturn): Remove usage of
EXIT_BLOCK_PTR macro.
(local_pure_const): Likewise.
* ipa-split.c (split_function): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(find_split_points): Likewise.
(consider_split): Likewise.
(find_return_bb): Remove usage of EXIT_BLOCK_PTR macro.
(verify_non_ssa_vars): Remove usage of ENTRY_BLOCK_PTR macro.
* ira-build.c (ira_loop_tree_body_rev_postorder): Likewise.
* ira-color.c (print_loop_title): Remove usage of EXIT_BLOCK_PTR
macro.
* ira-emit.c (entered_from_non_parent_p): Remove usage of
ENTRY_BLOCK_PTR macro.
(ira_emit): Remove usage of EXIT_BLOCK_PTR macro.
* ira-int.h (ira_assert): Remove usage of ENTRY_BLOCK_PTR macro.
* ira.c (split_live_ranges_for_shrink_wrap): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
* lcm.c (compute_rev_insert_delete): Remove usage of ENTRY_BLOCK_PTR
macro.
(compute_nearerout): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(compute_farthest): Likewise.
(compute_available): Likewise.
(compute_insert_delete): Remove usage of EXIT_BLOCK_PTR macro.
(compute_laterin): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(compute_earliest): Likewise.
(compute_antinout_edge): Likewise.
* loop-iv.c (simplify_using_initial_values): Remove usage of
ENTRY_BLOCK_PTR macro.
* loop-unswitch.c (unswitch_loop): Remove usage of EXIT_BLOCK_PTR
macro.
* lra-assigns.c (find_hard_regno_for): Remove usage of ENTRY_BLOCK_PTR
macro.
* lra-constraints.c (lra_inheritance): Remove usage of EXIT_BLOCK_PTR
macro.
* lra-lives.c (lra_create_live_ranges): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
* lra.c (has_nonexceptional_receiver): Remove usage of EXIT_BLOCK_PTR
macro.
* lto-streamer-in.c (input_function): Remove usage of ENTRY_BLOCK_PTR
macro.
* lto-streamer-out.c (output_cfg): Likewise.
* mcf.c (adjust_cfg_counts): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(create_fixup_graph): Remove usage of ENTRY_BLOCK_PTR macro.
* mode-switching.c (optimize_mode_switching): Likewise.
(create_pre_exit): Remove usage of EXIT_BLOCK_PTR macro.
* modulo-sched.c (rest_of_handle_sms): Likewise.
(canon_loop): Likewise.
* omp-low.c (build_omp_regions): Remove usage of ENTRY_BLOCK_PTR
macro.
* postreload-gcse.c (eliminate_partially_redundant_loads): Remove uses
of macros: ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
* predict.c (rebuild_frequencies): Remove usage of ENTRY_BLOCK_PTR
macro.
(propagate_freq): Remove usage of EXIT_BLOCK_PTR macro.
(estimate_bb_frequencies): Remove usage of ENTRY_BLOCK_PTR macro.
(tree_estimate_probability_bb): Remove usage of EXIT_BLOCK_PTR macro.
(expensive_function_p): Remove usage of ENTRY_BLOCK_PTR macro.
(tree_bb_level_predictions): Remove usage of EXIT_BLOCK_PTR macro.
(counts_to_freqs): Remove usage of ENTRY_BLOCK_PTR macro.
(apply_return_prediction): Remove usage of EXIT_BLOCK_PTR macro.
(estimate_loops): Remove usage of ENTRY_BLOCK_PTR macro.
(gimple_predict_edge): Likewise.
(probably_never_executed): Likewise.
* profile.c (find_spanning_tree): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(branch_prob): Likewise.
(compute_branch_probabilities): Likewise.
(compute_frequency_overlap): Remove usage of ENTRY_BLOCK_PTR macro.
(is_inconsistent): Remove usage of EXIT_BLOCK_PTR macro.
(read_profile_edge_counts): Remove usage of ENTRY_BLOCK_PTR macro.
(set_bb_counts): Likewise.
(correct_negative_edge_counts): Likewise.
(get_exec_counts): Likewise.
(instrument_values): Likewise.
(instrument_edges): Likewise.
* reg-stack.c (convert_regs): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(compensate_edges): Remove usage of ENTRY_BLOCK_PTR macro.
(convert_regs_exit): Remove usage of EXIT_BLOCK_PTR macro.
(convert_regs_entry): Remove usage of ENTRY_BLOCK_PTR macro.
(reg_to_stack): Likewise.
* regs.h (REG_N_SETS): Likewise.
* reload.c (find_dummy_reload): Likewise.
(combine_reloads): Likewise.
(push_reload): Likewise.
* reload1.c (has_nonexceptional_receiver): Remove usage of
EXIT_BLOCK_PTR macro.
* resource.c (mark_target_live_regs): Remove usage of ENTRY_BLOCK_PTR
macro.
(find_basic_block): Likewise.
* sched-ebb.c (ebb_add_block): Remove usage of EXIT_BLOCK_PTR macro.
(schedule_ebbs): Likewise.
* sched-int.h (sel_sched_p): Likewise.
* sched-rgn.c (compute_dom_prob_ps): Remove usage of ENTRY_BLOCK_PTR
macro.
(rgn_add_block): Remove usage of EXIT_BLOCK_PTR macro.
(haifa_find_rgns): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(propagate_deps): Remove usage of EXIT_BLOCK_PTR macro.
(extend_rgns): Likewise.
(find_single_block_region): Likewise.
* sel-sched-ir.c (sel_remove_loop_preheader): Remove usage of
ENTRY_BLOCK_PTR macro.
(setup_nop_and_exit_insns): Remove usage of EXIT_BLOCK_PTR macro.
(sel_create_recovery_block): Likewise.
(bb_ends_ebb_p): Likewise.
(sel_bb_end): Likewise.
(sel_bb_head): Likewise.
(free_lv_sets): Likewise.
(init_lv_sets): Likewise.
(tidy_control_flow): Likewise.
(maybe_tidy_empty_bb): Likewise.
* sel-sched-ir.h (_succ_iter_cond): Likewise.
(_succ_iter_start): Likewise.
(sel_bb_empty_or_nop_p): Likewise.
(get_loop_exit_edges_unique_dests): Likewise.
(inner_loop_header_p): Likewise.
* sel-sched.c (create_block_for_bookkeeping): Likewise.
(find_block_for_bookkeeping): Likewise.
* store-motion.c (remove_reachable_equiv_notes): Likewise.
(insert_store): Likewise.
* trans-mem.c (ipa_tm_transform_clone): Remove usage of
ENTRY_BLOCK_PTR macro.
(tm_memopt_compute_available): Remove usage of EXIT_BLOCK_PTR macro.
(ipa_tm_scan_irr_function): Remove usage of ENTRY_BLOCK_PTR macro.
(gate_tm_init): Likewise.
(tm_region_init): Likewise.
* tree-cfg.c (execute_fixup_cfg): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(execute_warn_function_return): Remove usage of EXIT_BLOCK_PTR macro.
(split_critical_edges): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(print_loops): Remove usage of ENTRY_BLOCK_PTR macro.
(move_sese_region_to_fn): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(gimple_redirect_edge_and_branch): Remove usage of ENTRY_BLOCK_PTR
macro.
(gimple_verify_flow_info): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(remove_edge_and_dominated_blocks): Remove usage of EXIT_BLOCK_PTR
macro.
(make_edges): Remove uses of macros: ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(gimple_flow_call_edges_add): Remove usage of EXIT_BLOCK_PTR macro.
(make_blocks): Remove usage of ENTRY_BLOCK_PTR macro.
(build_gimple_cfg): Likewise.
(gimple_duplicate_bb): Remove usage of EXIT_BLOCK_PTR macro.
(gimple_can_merge_blocks_p): Likewise.
* tree-cfgcleanup.c (tree_forwarder_block_p): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
* tree-complex.c (update_parameter_components): Remove usage of
ENTRY_BLOCK_PTR macro.
* tree-if-conv.c (get_loop_body_in_if_conv_order): Remove usage of
EXIT_BLOCK_PTR macro.
* tree-inline.c (tree_function_versioning): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(delete_unreachable_blocks_update_callgraph): Likewise.
(initialize_cfun): Likewise.
(copy_cfg_body): Remove usage of ENTRY_BLOCK_PTR macro.
(copy_edges_for_bb): Remove usage of EXIT_BLOCK_PTR macro.
(remap_ssa_name): Remove usage of ENTRY_BLOCK_PTR macro.
* tree-into-ssa.c (update_ssa): Likewise.
(maybe_register_def): Remove usage of EXIT_BLOCK_PTR macro.
(insert_updated_phi_nodes_for): Remove usage of ENTRY_BLOCK_PTR macro.
(rewrite_into_ssa): Likewise.
(rewrite_debug_stmt_uses): Likewise.
* tree-outof-ssa.c (expand_phi_nodes): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
* tree-profile.c (gimple_gen_ic_func_profiler): Remove usage of
ENTRY_BLOCK_PTR macro.
* tree-scalar-evolution.h (block_before_loop): Likewise.
* tree-sra.c (sra_ipa_reset_debug_stmts): Likewise.
(dump_dereferences_table): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(analyze_caller_dereference_legality): Remove usage of ENTRY_BLOCK_PTR
macro.
(propagate_dereference_distances): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(initialize_parameter_reductions): Remove usage of ENTRY_BLOCK_PTR
macro.
* tree-ssa-ccp.c (gsi_prev_dom_bb_nondebug): Likewise.
(optimize_stack_restore): Remove usage of EXIT_BLOCK_PTR macro.
* tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
* tree-ssa-dce.c (eliminate_unnecessary_stmts): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(remove_dead_stmt): Remove usage of EXIT_BLOCK_PTR macro.
(propagate_necessity): Remove usage of ENTRY_BLOCK_PTR macro.
(mark_control_dependent_edges_necessary): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
* tree-ssa-dom.c (eliminate_degenerate_phis): Remove usage of
ENTRY_BLOCK_PTR macro.
(tree_ssa_dominator_optimize): Remove usage of EXIT_BLOCK_PTR macro.
* tree-ssa-live.c (verify_live_on_entry): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(calculate_live_on_exit): Likewise.
(set_var_live_on_entry): Remove usage of ENTRY_BLOCK_PTR macro.
(loe_visit_block): Likewise.
* tree-ssa-live.h (live_on_exit): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(live_on_entry): Likewise.
* tree-ssa-loop-ivopts.c (find_interesting_uses): Remove usage of
EXIT_BLOCK_PTR macro.
* tree-ssa-loop-manip.c (compute_live_loop_exits): Remove usage of
ENTRY_BLOCK_PTR macro.
* tree-ssa-loop-niter.c (simplify_using_initial_conditions): Likewise.
(bound_difference): Likewise.
* tree-ssa-loop-prefetch.c (may_use_storent_in_loop_p): Remove usage
of EXIT_BLOCK_PTR macro.
* tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Remove usage
of ENTRY_BLOCK_PTR macro.
* tree-ssa-math-opts.c (register_division_in): Likewise.
* tree-ssa-phiprop.c (tree_ssa_phiprop): Likewise.
* tree-ssa-pre.c (compute_avail): Likewise.
(compute_antic): Remove usage of EXIT_BLOCK_PTR macro.
(insert): Remove usage of ENTRY_BLOCK_PTR macro.
* tree-ssa-propagate.c (ssa_prop_init): Likewise.
(simulate_block): Remove usage of EXIT_BLOCK_PTR macro.
(cfg_blocks_add): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(add_control_edge): Remove usage of EXIT_BLOCK_PTR macro.
* tree-ssa-reassoc.c (do_reassoc): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(build_and_add_sum): Remove usage of ENTRY_BLOCK_PTR macro.
* tree-ssa-sink.c (nearest_common_dominator_of_uses): Likewise.
(execute_sink_code): Remove usage of EXIT_BLOCK_PTR macro.
* tree-ssa-uninit.c (find_dom): Remove usage of ENTRY_BLOCK_PTR macro.
(compute_control_dep_chain): Remove usage of EXIT_BLOCK_PTR macro.
(find_pdom): Likewise.
(warn_uninitialized_vars): Remove usage of ENTRY_BLOCK_PTR macro.
* tree-stdarg.c (reachable_at_most_once): Likewise.
* tree-tailcall.c (tree_optimize_tail_calls_1): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(eliminate_tail_call): Likewise.
* tsan.c (instrument_func_entry): Remove usage of ENTRY_BLOCK_PTR
macro.
(instrument_func_exit): Remove usage of EXIT_BLOCK_PTR macro.
* var-tracking.c (vt_initialize): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(vt_add_function_parameter): Remove usage of ENTRY_BLOCK_PTR macro.
(vt_find_locations): Remove usage of EXIT_BLOCK_PTR macro.
(vt_stack_adjustments): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
* varasm.c (assemble_start_function): Remove usage of ENTRY_BLOCK_PTR
macro.
* config/bfin/bfin.c (hwloop_optimize): Likewise.
* config/nds32/nds32.c (nds32_fp_as_gp_check_available): Remove usage
of EXIT_BLOCK_PTR macro.
* config/arm/arm.c (require_pic_register): Remove usage of
ENTRY_BLOCK_PTR macro.
(arm_r3_live_at_start_p): Likewise.
(any_sibcall_could_use_r3): Remove usage of EXIT_BLOCK_PTR macro.
* config/rs6000/rs6000.c (rs6000_emit_prologue): Likewise.
* config/frv/frv.c (frv_optimize_membar_global): Likewise.
* config/alpha/alpha.c (alpha_gp_save_rtx): Remove usage of
ENTRY_BLOCK_PTR macro.
* config/i386/i386.c (ix86_count_insn): Likewise.
(ix86_seh_fixup_eh_fallthru): Remove usage of EXIT_BLOCK_PTR macro.
(ix86_pad_short_function): Likewise.
(ix86_compute_frame_layout): Remove usage of ENTRY_BLOCK_PTR macro.
(ix86_pad_returns): Remove usage of EXIT_BLOCK_PTR macro.
(ix86_eax_live_at_start_p): Remove usage of ENTRY_BLOCK_PTR macro.
(add_condition_to_bb): Remove usage of EXIT_BLOCK_PTR macro.
(ix86_expand_epilogue): Likewise.
* config/ia64/ia64.c (ia64_asm_unwind_emit): Likewise.
(ia64_expand_prologue): Likewise.
From-SVN: r205055
2013-11-19 22:57:13 +01:00
|
|
|
if (e->src == ENTRY_BLOCK_PTR_FOR_FN (cfun))
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
return cond;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Unswitch single LOOP. NUM is number of unswitchings done; we do not allow
|
|
|
|
it to grow too much, it is too easy to create example on that the code would
|
|
|
|
grow exponentially. */
|
|
|
|
|
|
|
|
static bool
|
tree-vrp.c (execute_vrp): Do not pass loops structure through arguments.
* tree-vrp.c (execute_vrp): Do not pass loops structure through
arguments.
* loop-unswitch.c (unswitch_loops, unswitch_single_loop,
unswitch_loop): Ditto.
* tree-loop-linear.c (linear_transform_loops): Ditto.
* tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
tree_ssa_lim): Ditto.
* tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
free_numbers_of_iterations_estimates): Ditto.
* tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
* cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
remove_path, add_loop, loopify, unloop, fix_loop_placements,
place_new_loop, duplicate_loop, duplicate_subloops,
update_single_exit_for_duplicated_loops, copy_loops_to,
duplicate_loop_to_header_edge, create_preheaders,
force_single_succ_latches, loop_version, fix_loop_structure):
Ditto.
* tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
tree_unroll_loop): Ditto.
* tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
* tree-scalar-evolution.c (select_loops_exit_conditions,
scev_initialize, scev_analysis): Ditto.
* tree-scalar-evolution.h (scev_initialize): Ditto.
* cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
* cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
* tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
* modulo-sched.c (sms_schedule): Ditto.
* tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
* loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
* ifcvt.c (if_convert): Ditto.
* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
canonicalize_loop_induction_variables,
canonicalize_induction_variables,
tree_unroll_loops_completely, remove_empty_loops): Ditto.
* tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
tree_ssa_loop_done): Ditto.
* predict.c (predict_loops, tree_estimate_probability, estimate_loops,
estimate_bb_frequencies): Ditto.
* tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
* loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
decide_unrolling_and_peeling, peel_loop_completely,
unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
peel_loop_simple, unroll_loop_stupid): Ditto.
* loop-doloop.c (doloop_optimize_loops): Ditto.
* tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
* loop-invariant.c (move_loop_invariants): Ditto.
* tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
* tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
tree_ssa_prefetch_arrays): Ditto.
* lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
Ditto.
* tree-vect-transform.c (vect_do_peeling_for_loop_bound,
vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
* cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
mark_single_exit_loops, cancel_loop, cancel_loop_tree,
verify_loop_structure): Ditto.
* tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
canonicalize_induction_variables, tree_unroll_loops_completely,
tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
tree_unroll_loop, linear_transform_loops): Declaration changed.
* basic-block.h: Remove declaration of struct loops.
* cfghooks.h (struct cfg_hooks): Change type of
cfg_hook_duplicate_loop_to_header_edge.
(cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
* tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
vect_transform_loop): Declaration changed.
* lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
* cfgloop.h (flow_loops_dump, fix_loop_structure,
mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
cancel_loop_tree, create_preheaders, force_single_succ_latches,
verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
loopify, loop_version, remove_path, unswitch_loops,
unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
Declaration changed.
From-SVN: r119189
2006-11-25 11:34:13 +01:00
|
|
|
tree_unswitch_single_loop (struct loop *loop, int num)
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
{
|
|
|
|
basic_block *bbs;
|
|
|
|
struct loop *nloop;
|
2010-06-25 14:10:42 +02:00
|
|
|
unsigned i, found;
|
2008-07-28 16:33:56 +02:00
|
|
|
tree cond = NULL_TREE;
|
2015-09-20 02:52:59 +02:00
|
|
|
gimple *stmt;
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
bool changed = false;
|
2015-10-08 15:14:09 +02:00
|
|
|
HOST_WIDE_INT iterations;
|
|
|
|
|
|
|
|
/* Perform initial tests if unswitch is eligible. */
|
|
|
|
if (num == 0)
|
|
|
|
{
|
|
|
|
/* Do not unswitch in cold regions. */
|
|
|
|
if (optimize_loop_for_size_p (loop))
|
|
|
|
{
|
|
|
|
if (dump_file && (dump_flags & TDF_DETAILS))
|
|
|
|
fprintf (dump_file, ";; Not unswitching cold loops\n");
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* The loop should not be too large, to limit code growth. */
|
|
|
|
if (tree_num_loop_insns (loop, &eni_size_weights)
|
|
|
|
> (unsigned) PARAM_VALUE (PARAM_MAX_UNSWITCH_INSNS))
|
|
|
|
{
|
|
|
|
if (dump_file && (dump_flags & TDF_DETAILS))
|
|
|
|
fprintf (dump_file, ";; Not unswitching, loop too big\n");
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* If the loop is not expected to iterate, there is no need
|
|
|
|
for unswitching. */
|
|
|
|
iterations = estimated_loop_iterations_int (loop);
|
2016-04-21 10:52:41 +02:00
|
|
|
if (iterations < 0)
|
2016-06-01 17:26:46 +02:00
|
|
|
iterations = likely_max_loop_iterations_int (loop);
|
2015-10-08 15:14:09 +02:00
|
|
|
if (iterations >= 0 && iterations <= 1)
|
|
|
|
{
|
|
|
|
if (dump_file && (dump_flags & TDF_DETAILS))
|
|
|
|
fprintf (dump_file, ";; Not unswitching, loop is not expected"
|
|
|
|
" to iterate\n");
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
}
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
|
|
|
|
i = 0;
|
|
|
|
bbs = get_loop_body (loop);
|
2010-06-25 14:10:42 +02:00
|
|
|
found = loop->num_nodes;
|
2009-11-25 11:55:54 +01:00
|
|
|
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
while (1)
|
|
|
|
{
|
|
|
|
/* Find a bb to unswitch on. */
|
|
|
|
for (; i < loop->num_nodes; i++)
|
|
|
|
if ((cond = tree_may_unswitch_on (bbs[i], loop)))
|
|
|
|
break;
|
|
|
|
|
|
|
|
if (i == loop->num_nodes)
|
|
|
|
{
|
2010-06-25 14:10:42 +02:00
|
|
|
if (dump_file
|
|
|
|
&& num > PARAM_VALUE (PARAM_MAX_UNSWITCH_LEVEL)
|
|
|
|
&& (dump_flags & TDF_DETAILS))
|
|
|
|
fprintf (dump_file, ";; Not unswitching anymore, hit max level\n");
|
|
|
|
|
|
|
|
if (found == loop->num_nodes)
|
|
|
|
{
|
|
|
|
free (bbs);
|
|
|
|
return changed;
|
|
|
|
}
|
|
|
|
break;
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
cond = simplify_using_entry_checks (loop, cond);
|
|
|
|
stmt = last_stmt (bbs[i]);
|
|
|
|
if (integer_nonzerop (cond))
|
|
|
|
{
|
|
|
|
/* Remove false path. */
|
2014-11-19 18:00:54 +01:00
|
|
|
gimple_cond_set_condition_from_tree (as_a <gcond *> (stmt),
|
|
|
|
boolean_true_node);
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
changed = true;
|
|
|
|
}
|
|
|
|
else if (integer_zerop (cond))
|
|
|
|
{
|
|
|
|
/* Remove true path. */
|
2014-11-19 18:00:54 +01:00
|
|
|
gimple_cond_set_condition_from_tree (as_a <gcond *> (stmt),
|
|
|
|
boolean_false_node);
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
changed = true;
|
|
|
|
}
|
2010-06-25 14:10:42 +02:00
|
|
|
/* Do not unswitch too much. */
|
|
|
|
else if (num > PARAM_VALUE (PARAM_MAX_UNSWITCH_LEVEL))
|
|
|
|
{
|
|
|
|
i++;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
/* In nested tree_unswitch_single_loop first optimize all conditions
|
|
|
|
using entry checks, then discover still reachable blocks in the
|
|
|
|
loop and find the condition only among those still reachable bbs. */
|
|
|
|
else if (num != 0)
|
|
|
|
{
|
|
|
|
if (found == loop->num_nodes)
|
|
|
|
found = i;
|
|
|
|
i++;
|
|
|
|
continue;
|
|
|
|
}
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
else
|
2010-06-25 14:10:42 +02:00
|
|
|
{
|
|
|
|
found = i;
|
|
|
|
break;
|
|
|
|
}
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
|
lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
2005-04-05 Andrew MacLeod <amacleod@redhat.com>
* lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
Use immediate use iterator.
(stmt_is_bumper_for_loop): Use immediate use iterator.
* predict.c (strip_builtin_expect): Use update_stmt.
* tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
on all elements of a STATEMENT_LIST.
(bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
(bsi_remove): Remove imm_use links and mark the stmt as modified.
(bsi_replace): Mark stmt as modified and the update it.
* tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
(expand_complex_libcal): Call update_stmt.
(expand_complex_comparison): Call mark_stmt_modified.
(expand_complex_operations_1): Call update_stmt_if_modified.
(expand_vector_operations_1): Call mark_stmt_modified.
* tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
add_immediate_use, redirect_immediate_use,
redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
dump_immediate_uses_for, debug_immediate_uses_for): Delete.
(mark_new_vars_to_rename): Call update_stmt.
* tree-dump.c (dump_option_value_in): Add "stmtaddr".
* tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.
Ignore PHI nodes.
(unmodify_stmt): Delete.
(update_stmt): New. Force an update of a stmt.
(update_stmt_if_modified): update a stmt if it is out of date.
(get_stmt_operands): Verify stmt is NOT modified.
(stmt_modified_p): Update comment.
(delink_imm_use): Remove a use node from its immuse list.
(link_imm_use_to_list): Link a use node to a specific list.
(link_imm_use): Link a node to the correct list.
(set_ssa_use_from_ptr): Set a use node to a specific value, and insert
it in the correct list, if appropriate.
(link_imm_use_stmt): Link a use node, and set the stmt pointer.
(relink_imm_use): Link a use node in place of another node in a list.
(relink_imm_use_stmt): LInk a node in place of another node, and set
the stmt pointer.
(end_safe_imm_use_traverse): New. Terminate a safe immuse iterator.
(end_safe_imm_use_p): New. Check for the end of a safe immuse iterator.
(first_safe_imm_use): New. Initialize a safe immuse iterator.
(next_safe_imm_use): New. Proceed to next safe immuse iterator value.
(end_readonly_imm_use_p): New. Check for end of a fast immuse iterator.
(first_readonly_imm_use): New. Initialize a fast immuse iterator.
(next_readonly_imm_use): New. Get the next fast immuse iterator value.
(has_zero_uses): New. Return true if there are no uses of a var.
(has_single_use): New. Return true if there is only a single use of a
variable.
(single_imm_use): New. Return the simgle immediate use.
(num_imm_uses): New. Return the number of immediate uses.
(get_v_must_def_ops): Use is now a pointer.
(use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of
the use node.
(get_immediate_uses, num_immediate_uses, immediate_use): Delete.
(delink_stmt_imm_use): Delink all immuses from a stmt.
(phi_arg_index_from_use): New. Return a phi arg index for a use.
* tree-flow.h (struct dataflow_d): Delete.
(immediate_use_iterator_d): New. Immediate use iterator struct.
(FOR_EACH_IMM_USE_FAST): New. Macro for read only immuse iteration.
(FOR_EACH_IMM_USE_SAFE): New. Macro for write-safe immuse iteration.
(BREAK_FROM_SAFE_IMM_USE): New. Macro for earlyu exit from write-safe
iteration.
(struct stmt_ann_d): Remove dataflow_t from struct.
* tree-if-conv.c (tree_if_conversion). Don't call free_df.
(if_convertible_phi_p): Use FAST immuse iterator.
(if_convertible_loop_p): Don't call compute_immediate_uses.
(replace_phi_with_cond_modify_expr): Call update_stmt.
* tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call
update_stmt_if_modified.
(rewrite_all_into_ssa): Initialize ssa operands.
* tree-loop-linear.c (linear_transform_loops): Don't call free_df or
compute_immediate_uses.
* tree-optimize.c (execute_todo): Call verify_ssa whenever the
ssa_property is available.
(execute_one_pass): Change parameters passed to execute_todo.
* tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
(remove_ssa_form): Call fini_ssa_operands.
(insert_backedge_copies): Delete call to modify_stmt.
* tree-phinodes.c (make_phi_node): Initialize use nodes.
(release_phi_node): Delink any use nodes before releasing.
(resize_phi_node): Relink any use nodes.
(remove_phi_arg_num): Delink the use node.
(remove_phi_node): Release the ssa_name AFTER releasing the phi node.
(remove_all_phi_nodes_for): Release phi node first.
* tree-pretty-print.c (dump_generic_node): Print stmt address.
* tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
(scalarize_use, scalarize_copy): Call update_stmt.
* tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
(compute_points_to_and_addr_escape): Call mark_stmt_modified.
* tree-ssa-cpp.c (need_imm_uses_for): Delete.
(ccp_initialize): Remove call to compute_immediate_uses.
(substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
* tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified
stmts.
(simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
(simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
(eliminate_redundant_computations): Call mark_stmt_modified.
(cprop_operand): Call mark_stmt_modified.
(optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
* tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
(dse_optimize_stmt): Use new immuse interface.
(tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
* tree-ssa-forwprop.c (need_imm_uses_for): Delete.
(substitute_single_use_vars): Use new immuse interface.
(tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
and compute_immediate_uses.
* tree-ssa-loop-im.c (single_reachable_address): Use new immuse
interface.
(rewrite_mem_refs): Call update_stmt.
(determine_lsm): Remove call to compute_imm_uses and free_df.
* tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
(try_unroll_loop_completely): Call update_stmt.
* tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
(rewrite_use_compare): Call update_stmt.
(compute_phi_arg_on_exit): Insert each stmt before trying to process.
(rewrite_use) : Call update_stmt.
* tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
* tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call
update_stmt.
* tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
(allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
(free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
use nodes.
(initialize_vuse_operand): New. Initialize a vuse operand.
(initialize_v_may_def_operand): New. Initialize a maydef operand.
(initialize_v_must_def_operand): New. Initialize a mustdef operand.
(finalize_ssa_defs): Use stmt parameter.
(correct_use_link): Ensure a use node is in the correct list, and has
the correct stmt pointer.
(finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
finalize_ssa_v_must_defs): Also initialize use nodes.
(finalize_ssa_stmt_operands): Pass extra stmt operands.
(build_ssa_operands): Seperate parsing from final operand construction.
(parse_ssa_operands): New. Parse entry point for operand building.
(swap_tree_operands): New. Swap 2 tree operands.
(update_stmt_operands): Ranamed from get_stmt_operands. Always builds
operands.
(get_expr_operands): Call swap_tree_operands when needed.
(copy_virtual_operands): Use initialize routines for virtual use ops.
(create_ssa_artficial_load_stmt): Add extra stmt parameter.
(verify_abort): New. Issue imm_use error.
(verify_imm_links): New Verify imm_use links for a var.
(dump_immediate_uses_for): New. Dump imm_uses for a var to file.
(dump_immediate_uses): New. Dump imm_uses for all vars to file.
(debug_immediate_uses): New. Dump imm_uses for all vars to stderr.
(debug_immediate_uses_for): New. Dump imm_uses for a var to stderr.
* tree-ssa-operands.h (struct use_operand_ptr): Delete.
(NULL_USE_OPERAND_P) Define.
(use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
use node.
(struct vuse_operand_type): New struct.
(SET_USE): Call set_ssa_use_from_ptr.
(USE_STMT): Define.
(PHI_ARG_INDEX_FROM_USE): Define.
* tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi
argument via SET_USE, not PHI_ARG_DEF_TREE.
* tree-ssa-pre.c (eliminate): Call update_stmt.
* tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators. Don't
call free_df.
* tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
(nearest_common_dominator_of_uses): Use imm_use iterator.
(statement_sink_location): Use imm_use iterator and interface.
(execute_sink_code): Don't call compute_immediate_uses or free-df.
* tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
* tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
(verify_ssa): Ensure no stmt is marked modify after optimization pass
if new parameter is true.
(init_tree_ssa): Don't initialize operand cache here.
(delete_tree_ssa): Don't destroy operand cache here.
(propagate_into_addr): Pass in a use pointer, return true if anything
was changed.
(replace_immediate_uses): Use imm_use iterator, call update_stmt.
(check_phi_redundancy): Use imm_use iterator.
(kill_redundant_phi_nodes): Don't call compute_immediate_uses or
free_df.
* tree-ssanames.c (make_ssa_name): Initialize imm_use node.
(release_ssa_name): Delink node and all elements in its imm_use list.
* tree-tailcall.c (adjust_return_value): Call update_stmt.
* tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
* tree-vectorizer.c (need_imm_uses_for): Delete.
(vectorize_loops): Dont call compute_immediate_uses or free_df.
* tree.h (struct ssa_imm_use_d): Define.
(SSA_NAME_IMM_USE_NODE): Define.
(struct tree_ssa_name): Add imm_use node.
(PHI_DF): Delete.
(PHI_ARG_IMM_USE_NODE): Define.
(struct phi_arg_d): Add imm_use node.
(struct tree_phi_node): Remove struct dataflow_d element.
(TDF_STMTADDR): Define.
From-SVN: r97648
2005-04-05 21:05:20 +02:00
|
|
|
update_stmt (stmt);
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
i++;
|
|
|
|
}
|
|
|
|
|
2010-06-25 14:10:42 +02:00
|
|
|
if (num != 0)
|
|
|
|
{
|
|
|
|
basic_block *tos, *worklist;
|
|
|
|
|
|
|
|
/* When called recursively, first do a quick discovery
|
|
|
|
of reachable bbs after the above changes and only
|
|
|
|
consider conditions in still reachable bbs. */
|
|
|
|
tos = worklist = XNEWVEC (basic_block, loop->num_nodes);
|
|
|
|
|
|
|
|
for (i = 0; i < loop->num_nodes; i++)
|
|
|
|
bbs[i]->flags &= ~BB_REACHABLE;
|
|
|
|
|
|
|
|
/* Start with marking header. */
|
|
|
|
*tos++ = bbs[0];
|
|
|
|
bbs[0]->flags |= BB_REACHABLE;
|
|
|
|
|
|
|
|
/* Iterate: find everything reachable from what we've already seen
|
|
|
|
within the same innermost loop. Don't look through false edges
|
|
|
|
if condition is always true or true edges if condition is
|
|
|
|
always false. */
|
|
|
|
while (tos != worklist)
|
|
|
|
{
|
|
|
|
basic_block b = *--tos;
|
|
|
|
edge e;
|
|
|
|
edge_iterator ei;
|
|
|
|
int flags = 0;
|
|
|
|
|
|
|
|
if (EDGE_COUNT (b->succs) == 2)
|
|
|
|
{
|
2015-09-20 02:52:59 +02:00
|
|
|
gimple *stmt = last_stmt (b);
|
2010-06-25 14:10:42 +02:00
|
|
|
if (stmt
|
|
|
|
&& gimple_code (stmt) == GIMPLE_COND)
|
|
|
|
{
|
2014-11-19 18:00:54 +01:00
|
|
|
gcond *cond_stmt = as_a <gcond *> (stmt);
|
|
|
|
if (gimple_cond_true_p (cond_stmt))
|
2010-06-25 14:10:42 +02:00
|
|
|
flags = EDGE_FALSE_VALUE;
|
2014-11-19 18:00:54 +01:00
|
|
|
else if (gimple_cond_false_p (cond_stmt))
|
2010-06-25 14:10:42 +02:00
|
|
|
flags = EDGE_TRUE_VALUE;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
FOR_EACH_EDGE (e, ei, b->succs)
|
|
|
|
{
|
|
|
|
basic_block dest = e->dest;
|
|
|
|
|
|
|
|
if (dest->loop_father == loop
|
|
|
|
&& !(dest->flags & BB_REACHABLE)
|
|
|
|
&& !(e->flags & flags))
|
|
|
|
{
|
|
|
|
*tos++ = dest;
|
|
|
|
dest->flags |= BB_REACHABLE;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
free (worklist);
|
|
|
|
|
|
|
|
/* Find a bb to unswitch on. */
|
|
|
|
for (; found < loop->num_nodes; found++)
|
|
|
|
if ((bbs[found]->flags & BB_REACHABLE)
|
|
|
|
&& (cond = tree_may_unswitch_on (bbs[found], loop)))
|
|
|
|
break;
|
|
|
|
|
|
|
|
if (found == loop->num_nodes)
|
|
|
|
{
|
|
|
|
free (bbs);
|
|
|
|
return changed;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
if (dump_file && (dump_flags & TDF_DETAILS))
|
|
|
|
fprintf (dump_file, ";; Unswitching loop\n");
|
|
|
|
|
Makefile.in (cfg.o): Add new dependencies.
* Makefile.in (cfg.o): Add new dependencies.
* basic-block.h (reorder_block_def): Kill
original/copy/duplicated/copy_number fields.
(BB_DUPLICATED): New flag.
(initialize_original_copy_tables, free_original_copy_tables,
set_bb_original, get_bb_original, set_bb_copy, get_bb_copy): New.
* cfg.c: Include hashtab.h and alloc-pool.h
(bb_original, bb_copy, original_copy_bb_pool): New static vars.
(htab_bb_copy_original_entry): New struct.
(bb_copy_original_hash, bb_copy_original_eq): New static functions.
(initialize_original_copy_tables, free_original_copy_tables,
set_bb_original, get_bb_original, set_bb_copy, get_bb_copy): New
global functions.
* cfghooks.c (duplicate_block): Update original/copy handling.
* cfglayout.c (fixup_reorder_chain): Likewise.
(cfg_layout_initialize): Initialize orignal_copy tables.
(cfg_layout_finalize): FInalize original_copy tables.
(can_copy_bbs_p): Use BB_DUPLICATED flag.
(copy_bbs): Likewise.
* cfgloopmanip.c (update-single_exits_after_duplication): Likewise.
(duplicate_loop_to_header_edge): Likewise; update handling of
copy_number.
(loop_version): Likewise.
* dominance.c (get_dominated_by_region): Use BB_DUPLICATED_FLAG.
* except.c (expand_resx_expr): Check that reg->resume is not set.
* loop-unroll.c (unroll_loop_constant_iterations,
unroll_loop_runtime_iterations, apply_opt_in_copies): Update
copy/original handling.
* loop-unwitch.c (unswitch_loop): Likewise.
* tree-cfg.c (create_bb): Do not initialize RBI.
(disband_implicit_edges): Do not kill RBI.
(add_phi_args_after_copy_bb): Use new original/copy mapping.
(add_phi_args_after_copy): Use BB_DUPLICATED flag.
(tree_duplicate_sese_region): Update original/copy handling.
* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
* tree-ssa-loop-manip.c (copy_phi_node_args): Likewise.
* tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Likewise.
From-SVN: r101000
2005-06-16 01:05:23 +02:00
|
|
|
initialize_original_copy_tables ();
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
/* Unswitch the loop on this condition. */
|
2010-06-25 14:10:42 +02:00
|
|
|
nloop = tree_unswitch_loop (loop, bbs[found], cond);
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
if (!nloop)
|
2005-12-16 00:52:16 +01:00
|
|
|
{
|
|
|
|
free_original_copy_tables ();
|
2006-02-08 03:00:42 +01:00
|
|
|
free (bbs);
|
2005-12-16 00:52:16 +01:00
|
|
|
return changed;
|
|
|
|
}
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
|
[multiple changes]
2005-04-22 Diego Novillo <dnovillo@redhat.com>
* Makefile.in (tree-into-ssa.o): Add dependency on PARAMS_H.
* lambda-code.c (perfect_nestify): Mark virtual operands in
the moved statement for renaming.
* params.def (PARAM_MIN_VIRTUAL_MAPPINGS): Define.
(PARAM_VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
* params.h (MIN_VIRTUAL_MAPPINGS): Define.
(VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
* tree-flow.h (struct var_ann_d): Update comments.
(rewrite_to_new_ssa_names_bb, rewrite_to_new_ssa_names,
allocate_ssa_names, find_phi_node_for, dump_tree_ssa,
debug_tree_ssa, debug_def_blocks, dump_tree_ssa_stats,
debug_tree_ssa_stats, rewrite_ssa_into_ssa,
dump_repl_tbl, debug_repl_tbl, dump_names_replaced_by,
debug_names_replaced_by): Remove declarations.
(delete_update_ssa, get_current_def, set_current_def): Declare.
(rewrite_into_loop_closed_ssa): Add new argument. Update
all callers.
* tree-into-ssa.c: Include params.h.
(old_virtual_ssa_names): Remove. Update all users.
(need_to_replace_names_p): Remove. Update all users.
(struct update_ssa_stats_d): Declare.
(update_ssa_stats): New local.
(dump_tree_ssa, debug_tree_ssa, debug_def_blocks,
dump_tree_ssa_stats, debug_tree_ssa_stats,
dump_update_ssa, debug_update_ssa,
dump_names_replaced_by, debug_names_replaced_by): Declare.
(get_current_def, set current_def): Make extern.
(is_old_name, is_new_name): Protect against references
past the end of the sets.
(add_new_name_mapping): Assert that OLD and NEW are
different SSA names for the same symbol.
When adding a virtual mapping, update stats for virtual
mapping heuristic.
(insert_phi_nodes_for): If UPDATE_P is true, create the
LHS of the new PHI by duplicating SSA name VAR.
(insert_phi_nodes_1): Remove. Update all users.
(insert_phi_nodes): Remove second argument. Update all
users.
(maybe_replace_use, maybe_replace_def): New.
(rewrite_update_stmt): Call them.
(mark_def_interesting): Remove calls to is_gimple_reg.
(prepare_phi_args_for_update): Remove. Update all users.
(prepare_block_for_update): Only process virtual operands
and GIMPLE registers in normal form.
(prepare_use_sites_for): New.
(prepare_names_to_update): Rename from prepare_def_sites.
Call prepare_use_sites_for.
(dump_update_ssa): Rename from dump_repl_tbl.
Update all users.
Show statistics for virtual mapping heuristic.
(debug_update_ssa): Rename from debug_debug_repl_tbl.
(init_update_ssa): Initialize UPDATE_SSA_STATS.
(delete_update_ssa): Make extern.
(mark_set_for_renaming): If the set is empty, do nothing.
(release_ssa_name_after_update_ssa): Update comment.
(insert_updated_phi_nodes_for): Do not remove existing
PHI nodes for symbols.
(switch_virtuals_to_full_rewrite_p): New.
(switch_virtuals_to_full_rewrite): New.
(update_ssa): Call them.
Clear REWRITE_THIS_STMT and REGISTER_DEFS_IN_THIS_STMT
for every statement before updating.
If all the names in NEW_SSA_NAMES have been marked for
removal, do nothing.
Only start at the top of the CFG if there are symbols in
SYMS_TO_RENAME.
(ssa_rewrite_finalize_block): Remove.
(ssa_register_new_def): Remove.
(ssa_rewrite_stmt): Remove.
(ssa_rewrite_phi_arguments): Remove.
(ssa_rewrite_initialize_block): Remove.
(ssa_mark_def_sites): Remove.
(ssa_mark_def_sites_initialize_block): Remove.
(ssa_mark_phi_uses): Remove.
(rewrite_ssa_into_ssa): Remove.
* tree-phinodes.c (find_phi_node_for): Remove.
* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
Call update_ssa.
* tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops):
Remove calls to verify_dominators and
verify_loop_structure.
(tree_unswitch_single_loop): Call update_ssa.
* tree-ssa.c (verify_ssa): Assert that need_ssa_update_p
returns false.
Call verify_stmts.
(delete_tree_ssa): Assert that need_ssa_update_p returns
false.
* tree-vect-transform.c (vect_transform_loop): Call update_ssa.
* tree-vectorizer.c (allocate_new_names, rename_def_op,
free_new_names): Remove. Update all users.
(rename_use_op): Call get_current_def.
(rename_variables_in_bb): Do not handle any real or
virtual definition.
(slpeel_update_phis_for_duplicate_loop): Call
get_current_def and set_current_def instead of using
SSA_NAME_AUX.
(slpeel_update_phi_nodes_for_guard2): Reformat comments.
(slpeel_can_duplicate_loop_p): Call need_ssa_update_p,
ssa_names_to_replace and delete_update_ssa.
* doc/invoke.texi: Document --param min-virtual-mappings
and --param virtual-mappings-ratio.
2005-04-22 Zdenek Dvorak <dvorakz@suse.cz>
Diego Novillo <dnovillo@redhat.com>
* tree-cfg.c (tree_duplicate_bb): Call create_new_def_for
for newly created PHI nodes.
Call create_new_def_for for every new V_MAY_DEF and
V_MUST_DEF on the copied statement.
(struct ssa_name_map_entry): Remove.
(ssa_name_map_entry_hash): Remove.
(ssa_name_map_entry_eq): Remove.
(allocate_ssa_names): Remove.
(rewrite_to_new_ssa_names_def): Remove.
(rewrite_to_new_ssa_names_use): Remove.
(rewrite_to_new_ssa_names_bb): Remove.
(rewrite_to_new_ssa_names): Remove.
(tree_duplicate_sese_region): Remove variables ver,
definitions, phi, ssa_name_map and bi.
Call need_ssa_update_p instead of any_marked_for_rewrite_p.
Call update_ssa.
* tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
update_ssa instead of rewrite_ssa_into_ssa.
* tree-ssa-loop-manip.c (add_exit_phis_edge): Call
create_new_def_for.
(find_uses_to_rename_use): Add argument 'need_phis'.
(find_uses_to_rename_stmt): Do not scan virtual operands.
(find_uses_to_rename): Only scan PHI nodes for
non-virtual names.
(rewrite_into_loop_closed_ssa): Call update_ssa.
(check_loop_closed_ssa_use): Ignore virtual operands.
(check_loop_closed_ssa_stmt): Likewise.
(verify_loop_closed_ssa): Do nothing if CURRENT_LOOPS is
NULL.
(rename_variables, set_phi_def_stmts): Remove.
(tree_duplicate_loop_to_header_edge): Reformat comment.
Remove variables BB, I and DEFINITIONS.
Call need_ssa_update_p.
Call update_ssa.
(lv_adjust_loop_header_phi): Reformat comment.
* tree-ssanames.c (ssa_names_to_rewrite): Remove.
(marked_for_rewrite_p, any_marked_for_rewrite_p,
mark_for_rewrite, unmark_all_for_rewrite,
marked_ssa_names): Remove. Update all users.
(release_ssa_name): If VAR has been registered for SSA
updating, do nothing.
* tree-vrp.c (new_ssa_names, old_ssa_names): Remove.
(build_assert_expr_for): Call register_new_name_mapping.
(insert_range_assertions): Update call to update_ssa.
* tree.h (mark_for_rewrite, unmark_all_for_rewrite,
marked_for_rewrite_p, any_marked_for_rewrite_p,
marked_ssa_names): Remove.
From-SVN: r98599
2005-04-23 02:59:54 +02:00
|
|
|
/* Update the SSA form after unswitching. */
|
|
|
|
update_ssa (TODO_update_ssa);
|
Makefile.in (cfg.o): Add new dependencies.
* Makefile.in (cfg.o): Add new dependencies.
* basic-block.h (reorder_block_def): Kill
original/copy/duplicated/copy_number fields.
(BB_DUPLICATED): New flag.
(initialize_original_copy_tables, free_original_copy_tables,
set_bb_original, get_bb_original, set_bb_copy, get_bb_copy): New.
* cfg.c: Include hashtab.h and alloc-pool.h
(bb_original, bb_copy, original_copy_bb_pool): New static vars.
(htab_bb_copy_original_entry): New struct.
(bb_copy_original_hash, bb_copy_original_eq): New static functions.
(initialize_original_copy_tables, free_original_copy_tables,
set_bb_original, get_bb_original, set_bb_copy, get_bb_copy): New
global functions.
* cfghooks.c (duplicate_block): Update original/copy handling.
* cfglayout.c (fixup_reorder_chain): Likewise.
(cfg_layout_initialize): Initialize orignal_copy tables.
(cfg_layout_finalize): FInalize original_copy tables.
(can_copy_bbs_p): Use BB_DUPLICATED flag.
(copy_bbs): Likewise.
* cfgloopmanip.c (update-single_exits_after_duplication): Likewise.
(duplicate_loop_to_header_edge): Likewise; update handling of
copy_number.
(loop_version): Likewise.
* dominance.c (get_dominated_by_region): Use BB_DUPLICATED_FLAG.
* except.c (expand_resx_expr): Check that reg->resume is not set.
* loop-unroll.c (unroll_loop_constant_iterations,
unroll_loop_runtime_iterations, apply_opt_in_copies): Update
copy/original handling.
* loop-unwitch.c (unswitch_loop): Likewise.
* tree-cfg.c (create_bb): Do not initialize RBI.
(disband_implicit_edges): Do not kill RBI.
(add_phi_args_after_copy_bb): Use new original/copy mapping.
(add_phi_args_after_copy): Use BB_DUPLICATED flag.
(tree_duplicate_sese_region): Update original/copy handling.
* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
* tree-ssa-loop-manip.c (copy_phi_node_args): Likewise.
* tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Likewise.
From-SVN: r101000
2005-06-16 01:05:23 +02:00
|
|
|
free_original_copy_tables ();
|
[multiple changes]
2005-04-22 Diego Novillo <dnovillo@redhat.com>
* Makefile.in (tree-into-ssa.o): Add dependency on PARAMS_H.
* lambda-code.c (perfect_nestify): Mark virtual operands in
the moved statement for renaming.
* params.def (PARAM_MIN_VIRTUAL_MAPPINGS): Define.
(PARAM_VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
* params.h (MIN_VIRTUAL_MAPPINGS): Define.
(VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
* tree-flow.h (struct var_ann_d): Update comments.
(rewrite_to_new_ssa_names_bb, rewrite_to_new_ssa_names,
allocate_ssa_names, find_phi_node_for, dump_tree_ssa,
debug_tree_ssa, debug_def_blocks, dump_tree_ssa_stats,
debug_tree_ssa_stats, rewrite_ssa_into_ssa,
dump_repl_tbl, debug_repl_tbl, dump_names_replaced_by,
debug_names_replaced_by): Remove declarations.
(delete_update_ssa, get_current_def, set_current_def): Declare.
(rewrite_into_loop_closed_ssa): Add new argument. Update
all callers.
* tree-into-ssa.c: Include params.h.
(old_virtual_ssa_names): Remove. Update all users.
(need_to_replace_names_p): Remove. Update all users.
(struct update_ssa_stats_d): Declare.
(update_ssa_stats): New local.
(dump_tree_ssa, debug_tree_ssa, debug_def_blocks,
dump_tree_ssa_stats, debug_tree_ssa_stats,
dump_update_ssa, debug_update_ssa,
dump_names_replaced_by, debug_names_replaced_by): Declare.
(get_current_def, set current_def): Make extern.
(is_old_name, is_new_name): Protect against references
past the end of the sets.
(add_new_name_mapping): Assert that OLD and NEW are
different SSA names for the same symbol.
When adding a virtual mapping, update stats for virtual
mapping heuristic.
(insert_phi_nodes_for): If UPDATE_P is true, create the
LHS of the new PHI by duplicating SSA name VAR.
(insert_phi_nodes_1): Remove. Update all users.
(insert_phi_nodes): Remove second argument. Update all
users.
(maybe_replace_use, maybe_replace_def): New.
(rewrite_update_stmt): Call them.
(mark_def_interesting): Remove calls to is_gimple_reg.
(prepare_phi_args_for_update): Remove. Update all users.
(prepare_block_for_update): Only process virtual operands
and GIMPLE registers in normal form.
(prepare_use_sites_for): New.
(prepare_names_to_update): Rename from prepare_def_sites.
Call prepare_use_sites_for.
(dump_update_ssa): Rename from dump_repl_tbl.
Update all users.
Show statistics for virtual mapping heuristic.
(debug_update_ssa): Rename from debug_debug_repl_tbl.
(init_update_ssa): Initialize UPDATE_SSA_STATS.
(delete_update_ssa): Make extern.
(mark_set_for_renaming): If the set is empty, do nothing.
(release_ssa_name_after_update_ssa): Update comment.
(insert_updated_phi_nodes_for): Do not remove existing
PHI nodes for symbols.
(switch_virtuals_to_full_rewrite_p): New.
(switch_virtuals_to_full_rewrite): New.
(update_ssa): Call them.
Clear REWRITE_THIS_STMT and REGISTER_DEFS_IN_THIS_STMT
for every statement before updating.
If all the names in NEW_SSA_NAMES have been marked for
removal, do nothing.
Only start at the top of the CFG if there are symbols in
SYMS_TO_RENAME.
(ssa_rewrite_finalize_block): Remove.
(ssa_register_new_def): Remove.
(ssa_rewrite_stmt): Remove.
(ssa_rewrite_phi_arguments): Remove.
(ssa_rewrite_initialize_block): Remove.
(ssa_mark_def_sites): Remove.
(ssa_mark_def_sites_initialize_block): Remove.
(ssa_mark_phi_uses): Remove.
(rewrite_ssa_into_ssa): Remove.
* tree-phinodes.c (find_phi_node_for): Remove.
* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
Call update_ssa.
* tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops):
Remove calls to verify_dominators and
verify_loop_structure.
(tree_unswitch_single_loop): Call update_ssa.
* tree-ssa.c (verify_ssa): Assert that need_ssa_update_p
returns false.
Call verify_stmts.
(delete_tree_ssa): Assert that need_ssa_update_p returns
false.
* tree-vect-transform.c (vect_transform_loop): Call update_ssa.
* tree-vectorizer.c (allocate_new_names, rename_def_op,
free_new_names): Remove. Update all users.
(rename_use_op): Call get_current_def.
(rename_variables_in_bb): Do not handle any real or
virtual definition.
(slpeel_update_phis_for_duplicate_loop): Call
get_current_def and set_current_def instead of using
SSA_NAME_AUX.
(slpeel_update_phi_nodes_for_guard2): Reformat comments.
(slpeel_can_duplicate_loop_p): Call need_ssa_update_p,
ssa_names_to_replace and delete_update_ssa.
* doc/invoke.texi: Document --param min-virtual-mappings
and --param virtual-mappings-ratio.
2005-04-22 Zdenek Dvorak <dvorakz@suse.cz>
Diego Novillo <dnovillo@redhat.com>
* tree-cfg.c (tree_duplicate_bb): Call create_new_def_for
for newly created PHI nodes.
Call create_new_def_for for every new V_MAY_DEF and
V_MUST_DEF on the copied statement.
(struct ssa_name_map_entry): Remove.
(ssa_name_map_entry_hash): Remove.
(ssa_name_map_entry_eq): Remove.
(allocate_ssa_names): Remove.
(rewrite_to_new_ssa_names_def): Remove.
(rewrite_to_new_ssa_names_use): Remove.
(rewrite_to_new_ssa_names_bb): Remove.
(rewrite_to_new_ssa_names): Remove.
(tree_duplicate_sese_region): Remove variables ver,
definitions, phi, ssa_name_map and bi.
Call need_ssa_update_p instead of any_marked_for_rewrite_p.
Call update_ssa.
* tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
update_ssa instead of rewrite_ssa_into_ssa.
* tree-ssa-loop-manip.c (add_exit_phis_edge): Call
create_new_def_for.
(find_uses_to_rename_use): Add argument 'need_phis'.
(find_uses_to_rename_stmt): Do not scan virtual operands.
(find_uses_to_rename): Only scan PHI nodes for
non-virtual names.
(rewrite_into_loop_closed_ssa): Call update_ssa.
(check_loop_closed_ssa_use): Ignore virtual operands.
(check_loop_closed_ssa_stmt): Likewise.
(verify_loop_closed_ssa): Do nothing if CURRENT_LOOPS is
NULL.
(rename_variables, set_phi_def_stmts): Remove.
(tree_duplicate_loop_to_header_edge): Reformat comment.
Remove variables BB, I and DEFINITIONS.
Call need_ssa_update_p.
Call update_ssa.
(lv_adjust_loop_header_phi): Reformat comment.
* tree-ssanames.c (ssa_names_to_rewrite): Remove.
(marked_for_rewrite_p, any_marked_for_rewrite_p,
mark_for_rewrite, unmark_all_for_rewrite,
marked_ssa_names): Remove. Update all users.
(release_ssa_name): If VAR has been registered for SSA
updating, do nothing.
* tree-vrp.c (new_ssa_names, old_ssa_names): Remove.
(build_assert_expr_for): Call register_new_name_mapping.
(insert_range_assertions): Update call to update_ssa.
* tree.h (mark_for_rewrite, unmark_all_for_rewrite,
marked_for_rewrite_p, any_marked_for_rewrite_p,
marked_ssa_names): Remove.
From-SVN: r98599
2005-04-23 02:59:54 +02:00
|
|
|
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
/* Invoke itself on modified loops. */
|
tree-vrp.c (execute_vrp): Do not pass loops structure through arguments.
* tree-vrp.c (execute_vrp): Do not pass loops structure through
arguments.
* loop-unswitch.c (unswitch_loops, unswitch_single_loop,
unswitch_loop): Ditto.
* tree-loop-linear.c (linear_transform_loops): Ditto.
* tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
tree_ssa_lim): Ditto.
* tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
free_numbers_of_iterations_estimates): Ditto.
* tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
* cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
remove_path, add_loop, loopify, unloop, fix_loop_placements,
place_new_loop, duplicate_loop, duplicate_subloops,
update_single_exit_for_duplicated_loops, copy_loops_to,
duplicate_loop_to_header_edge, create_preheaders,
force_single_succ_latches, loop_version, fix_loop_structure):
Ditto.
* tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
tree_unroll_loop): Ditto.
* tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
* tree-scalar-evolution.c (select_loops_exit_conditions,
scev_initialize, scev_analysis): Ditto.
* tree-scalar-evolution.h (scev_initialize): Ditto.
* cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
* cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
* tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
* modulo-sched.c (sms_schedule): Ditto.
* tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
* loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
* ifcvt.c (if_convert): Ditto.
* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
canonicalize_loop_induction_variables,
canonicalize_induction_variables,
tree_unroll_loops_completely, remove_empty_loops): Ditto.
* tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
tree_ssa_loop_done): Ditto.
* predict.c (predict_loops, tree_estimate_probability, estimate_loops,
estimate_bb_frequencies): Ditto.
* tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
* loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
decide_unrolling_and_peeling, peel_loop_completely,
unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
peel_loop_simple, unroll_loop_stupid): Ditto.
* loop-doloop.c (doloop_optimize_loops): Ditto.
* tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
* loop-invariant.c (move_loop_invariants): Ditto.
* tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
* tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
tree_ssa_prefetch_arrays): Ditto.
* lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
Ditto.
* tree-vect-transform.c (vect_do_peeling_for_loop_bound,
vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
* cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
mark_single_exit_loops, cancel_loop, cancel_loop_tree,
verify_loop_structure): Ditto.
* tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
canonicalize_induction_variables, tree_unroll_loops_completely,
tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
tree_unroll_loop, linear_transform_loops): Declaration changed.
* basic-block.h: Remove declaration of struct loops.
* cfghooks.h (struct cfg_hooks): Change type of
cfg_hook_duplicate_loop_to_header_edge.
(cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
* tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
vect_transform_loop): Declaration changed.
* lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
* cfgloop.h (flow_loops_dump, fix_loop_structure,
mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
cancel_loop_tree, create_preheaders, force_single_succ_latches,
verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
loopify, loop_version, remove_path, unswitch_loops,
unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
Declaration changed.
From-SVN: r119189
2006-11-25 11:34:13 +01:00
|
|
|
tree_unswitch_single_loop (nloop, num + 1);
|
|
|
|
tree_unswitch_single_loop (loop, num + 1);
|
2006-02-08 03:00:42 +01:00
|
|
|
free (bbs);
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Unswitch a LOOP w.r. to given basic block UNSWITCH_ON. We only support
|
|
|
|
unswitching of innermost loops. COND is the condition determining which
|
|
|
|
loop is entered -- the new loop is entered if COND is true. Returns NULL
|
|
|
|
if impossible, new loop otherwise. */
|
|
|
|
|
|
|
|
static struct loop *
|
tree-vrp.c (execute_vrp): Do not pass loops structure through arguments.
* tree-vrp.c (execute_vrp): Do not pass loops structure through
arguments.
* loop-unswitch.c (unswitch_loops, unswitch_single_loop,
unswitch_loop): Ditto.
* tree-loop-linear.c (linear_transform_loops): Ditto.
* tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
tree_ssa_lim): Ditto.
* tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
free_numbers_of_iterations_estimates): Ditto.
* tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
* cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
remove_path, add_loop, loopify, unloop, fix_loop_placements,
place_new_loop, duplicate_loop, duplicate_subloops,
update_single_exit_for_duplicated_loops, copy_loops_to,
duplicate_loop_to_header_edge, create_preheaders,
force_single_succ_latches, loop_version, fix_loop_structure):
Ditto.
* tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
tree_unroll_loop): Ditto.
* tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
* tree-scalar-evolution.c (select_loops_exit_conditions,
scev_initialize, scev_analysis): Ditto.
* tree-scalar-evolution.h (scev_initialize): Ditto.
* cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
* cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
* tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
* modulo-sched.c (sms_schedule): Ditto.
* tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
* loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
* ifcvt.c (if_convert): Ditto.
* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
canonicalize_loop_induction_variables,
canonicalize_induction_variables,
tree_unroll_loops_completely, remove_empty_loops): Ditto.
* tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
tree_ssa_loop_done): Ditto.
* predict.c (predict_loops, tree_estimate_probability, estimate_loops,
estimate_bb_frequencies): Ditto.
* tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
* loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
decide_unrolling_and_peeling, peel_loop_completely,
unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
peel_loop_simple, unroll_loop_stupid): Ditto.
* loop-doloop.c (doloop_optimize_loops): Ditto.
* tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
* loop-invariant.c (move_loop_invariants): Ditto.
* tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
* tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
tree_ssa_prefetch_arrays): Ditto.
* lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
Ditto.
* tree-vect-transform.c (vect_do_peeling_for_loop_bound,
vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
* cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
mark_single_exit_loops, cancel_loop, cancel_loop_tree,
verify_loop_structure): Ditto.
* tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
canonicalize_induction_variables, tree_unroll_loops_completely,
tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
tree_unroll_loop, linear_transform_loops): Declaration changed.
* basic-block.h: Remove declaration of struct loops.
* cfghooks.h (struct cfg_hooks): Change type of
cfg_hook_duplicate_loop_to_header_edge.
(cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
* tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
vect_transform_loop): Declaration changed.
* lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
* cfgloop.h (flow_loops_dump, fix_loop_structure,
mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
cancel_loop_tree, create_preheaders, force_single_succ_latches,
verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
loopify, loop_version, remove_path, unswitch_loops,
unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
Declaration changed.
From-SVN: r119189
2006-11-25 11:34:13 +01:00
|
|
|
tree_unswitch_loop (struct loop *loop,
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
basic_block unswitch_on, tree cond)
|
|
|
|
{
|
2007-01-03 03:29:00 +01:00
|
|
|
unsigned prob_true;
|
|
|
|
edge edge_true, edge_false;
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
|
|
|
|
/* Some sanity checking. */
|
|
|
|
gcc_assert (flow_bb_inside_loop_p (loop, unswitch_on));
|
backport: basic-block.h: Include vec.h, errors.h.
2004-09-24 Ben Elliston <bje@au.ibm.com>
Steven Bosscher <stevenb@suse.de>
Andrew Pinski <pinskia@physics.uc.edu>
Merge from edge-vector-branch:
* basic-block.h: Include vec.h, errors.h. Instantiate a VEC(edge).
(struct edge_def): Remove pred_next, succ_next members.
(struct basic_block_def): Remove pred, succ members. Add preds
and succs members of type VEC(edge).
(FALLTHRU_EDGE): Redefine using EDGE_SUCC.
(BRANCH_EDGE): Likewise.
(EDGE_CRITICAL_P): Redefine using EDGE_COUNT.
(EDGE_COUNT, EDGE_I, EDGE_PRED, EDGE_SUCC): New.
(edge_iterator): New.
(ei_start, ei_last, ei_end_p, ei_one_before_end_p): New.
(ei_next, ei_prev, ei_edge, ei_safe_edge): Likewise.
(FOR_EACH_EDGE): New.
* bb-reorder.c (find_traces): Use FOR_EACH_EDGE and EDGE_* macros
where applicable.
(rotate_loop): Likewise.
(find_traces_1_route): Likewise.
(bb_to_key): Likewise.
(connect_traces): Likewise.
(copy_bb_p): Likewise.
(find_rarely_executed_basic_blocks_and_crossing_edges): Likewise.
(add_labels_and_missing_jumps): Likewise.
(fix_up_fall_thru_edges): Likewise.
(find_jump_block): Likewise.
(fix_crossing_conditional_branches): Likewise.
(fix_crossing_unconditional_branches): Likewise.
(add_reg_crossing_jump_notes): Likewise.
* bt-load.c (augment_live_range): Likewise.
* cfg.c (clear_edges): Likewise.
(unchecked_make_edge): Likewise.
(cached_make_edge): Likewise.
(make_single_succ_edge): Likewise.
(remove_edge): Likewise.
(redirect_edge_succ_nodup): Likewise.
(check_bb_profile): Likewise.
(dump_flow_info): Likewise.
(alloc_aux_for_edges): Likewise.
(clear_aux_for_edges): Likewise.
(dump_cfg_bb_info): Likewise.
* cfganal.c (forwarder_block_p): Likewise.
(can_fallthru): Likewise.
(could_fall_through): Likewise.
(mark_dfs_back_edges): Likewise.
(set_edge_can_fallthru_flag): Likewise.
(find_unreachable_blocks): Likewise.
(create_edge_list): Likewise.
(verify_edge_list): Likewise.
(add_noreturn_fake_exit_edges): Likewise.
(connect_infinite_loops_to_exit): Likewise.
(flow_reverse_top_sort_order_compute): Likewise.
(flow_depth_first_order_compute): Likewise.
(flow_preorder_transversal_compute): Likewise.
(flow_dfs_compute_reverse_execute): Likewise.
(dfs_enumerate_from): Likewise.
(compute_dominance_frontiers_1): Likewise.
* cfgbuild.c (make_edges): Likewise.
(compute_outgoing_frequencies): Likewise.
(find_many_sub_basic_blocks): Likewise.
(find_sub_basic_blocks): Likewise.
* cfgcleanup.c (try_simplify_condjump): Likewise.
(thread_jump): Likewise.
(try_forward_edges): Likewise.
(merge_blocks_move): Likewise.
(outgoing_edges_match): Likewise.
(try_crossjump_to_edge): Likewise.
(try_crossjump_bb): Likewise.
(try_optimize_cfg): Likewise.
(merge_seq_blocks): Likewise.
* cfgexpand.c (expand_gimple_tailcall): Likewise.
(expand_gimple_basic_block): Likewise.
(construct_init_block): Likewise.
(construct_exit_block): Likewise.
* cfghooks.c (verify_flow_info): Likewise.
(dump_bb): Likewise.
(delete_basic_block): Likewise.
(split_edge): Likewise.
(merge_blocks): Likewise.
(make_forwarder_block): Likewise.
(tidy_fallthru_edges): Likewise.
(can_duplicate_block_p): Likewise.
(duplicate_block): Likewise.
* cfglayout.c (fixup_reorder_chain): Likewise.
(fixup_fallthru_exit_predecessor): Likewise.
(can_copy_bbs_p): Likewise.
(copy_bbs): Likewise.
* cfgloop.c (flow_loops_cfg_dump): Likewise.
(flow_loop_entry_edges_find): Likewise.
(flow_loop_exit_edges_find): Likewise.
(flow_loop_nodes_find): Likewise.
(mark_single_exit_loops): Likewise.
(flow_loop_pre_header_scan): Likewise.
(flow_loop_pre_header_find): Likewise.
(update_latch_info): Likewise.
(canonicalize_loop_headers): Likewise.
(flow_loops_find): Likewise.
(get_loop_body_in_bfs_order): Likewise.
(get_loop_exit_edges): Likewise.
(num_loop_branches): Likewise.
(verify_loop_structure): Likewise.
(loop_latch_edge): Likewise.
(loop_preheader_edge): Likewise.
* cfgloopanal.c (mark_irreducible_loops): Likewise.
(expected_loop_iterations): Likewise.
* cfgloopmanip.c (remove_bbs): Likewise.
(fix_bb_placement): Likewise.
(fix_irreducible_loops): Likewise.
(remove_path): Likewise.
(scale_bbs_frequencies): Likewise.
(loopify): Likewise.
(unloop): Likewise.
(fix_loop_placement): Likewise.
(loop_delete_branch_edge): Likewise.
(duplicate_loop_to_header_edge): Likewise.
(mfb_keep_just): Likewise.
(create_preheader): Likewise.
(force_single_succ_latches): Likewise.
(loop_split_edge_with): Likewise.
(create_loop_notes): Likewise.
* cfgrtl.c (rtl_split_block): Likewise.
(rtl_merge_blocks): Likewise.
(rtl_can_merge_blocks): Likewise.
(try_redirect_by_replacing_jump): Likewise.
(force_nonfallthru_and_redirect): Likewise.
(rtl_tidy_fallthru_edge): Likewise.
(commit_one_edge_insertion): Likewise.
(commit_edge_insertions): Likewise.
(commit_edge_insertions_watch_calls): Likewise.
(rtl_verify_flow_info_1): Likewise.
(rtl_verify_flow_info): Likewise.
(purge_dead_edges): Likewise.
(cfg_layout_redirect_edge_and_branch): Likewise.
(cfg_layout_can_merge_blocks_p): Likewise.
(rtl_flow_call_edges_add): Likewise.
* cse.c (cse_cc_succs): Likewise.
* df.c (hybrid_search): Likewise.
* dominance.c (calc_dfs_tree_nonrec): Likewise.
(calc_dfs_tree): Likewise.
(calc_idoms): Likewise.
(recount_dominator): Likewise.
* domwalk.c (walk_dominator_tree): Likewise.
* except.c (emit_to_new_bb_before): Likewise.
(connect_post_landing_pads): Likewise.
(sjlj_emit_function_enter): Likewise.
(sjlj_emit_function_exit): Likewise.
(finish_eh_generation): Likewise.
* final.c (compute_alignments): Likewise.
* flow.c (calculate_global_regs_live): Likewise.
(initialize_uninitialized_subregs): Likewise.
(init_propagate_block_info): Likewise.
* function.c (thread_prologue_and_epilogue_insns): Likewise.
* gcse.c (find_implicit_sets): Likewise.
(bypass_block): Likewise.
(bypass_conditional_jumps): Likewise.
(compute_pre_data): Likewise.
(insert_insn_end_bb): Likewise.
(insert_store): Likewise.
(remove_reachable_equiv_notes): Likewise.
* global.c (global_conflicts): Likewise.
(calculate_reg_pav): Likewise.
* graph.c (print_rtl_graph_with_bb): Likewise.
* ifcvt.c (mark_loop_exit_edges): Likewise.
(merge_if_block): Likewise.
(find_if_header): Likewise.
(block_jumps_and_fallthru_p): Likewise.
(find_if_block): Likewise.
(find_cond_trap): Likewise.
(block_has_only_trap): Likewise.
(find_if_case1): Likewise.
(find_if_case_2): Likewise.
* lambda-code.c (lambda_loopnest_to_gcc_loopnest): Likewise.
(perfect_nestify): Likewise.
* lcm.c (compute_antinout_edge): Likewise.
(compute_laterin): Likewise.
(compute_available): Likewise.
(compute_nearerout): Likewise.
* loop-doloop.c (doloop_modify): Likewise.
* loop-init.c (loop_optimizer_init): Likewise.
* loop-invariant.c (find_exits): Likewise.
* loop-iv.c (simplify_using_initial_values): Likewise.
(check_simple_exit): Likewise.
(find_simple_exit): Likewise.
* loop-unroll.c (peel_loop_completely): Likewise.
(unroll_loop_constant_iterations): Likewise.
(unroll_loop_runtime_iterations): Likewise.
* loop-unswitch.c (may_unswitch_on): Likewise.
(unswitch_loop): Likewise.
* modulo-sched.c (generate_prolog_epilog): Likewise.
(sms_schedule): Likewise.
* postreload-gcse.c (eliminate_partially_redundant_load):
Likewise.
* predict.c (can_predict_insn_p): Likewise.
(set_even_probabilities): Likewise.
(combine_predictions_for_bb): Likewise.
(predict_loops): Likewise.
(estimate_probability): Likewise.
(tree_predict_by_opcode): Likewise.
(tree_estimate_probability): Likewise.
(last_basic_block_p): Likewise.
(propagate_freq): Likewise.
(estimate_loops_at_level): Likewise.
(estimate_bb_frequencies): Likewise.
* profile.c (instrument_edges): Likewise.
(get_exec_counts): Likewise.
(compute_branch_probabilities): Likewise.
(branch_prob): Likewise.
* ra-build.c (live_in): Likewise.
* ra-rewrite.c (rewrite_program2): Likewise.
* ra.c (reg_alloc): Likewise.
* reg-stack.c (reg_to_stack): Likewise.
(convert_regs_entry): Likewise.
(compensate_edge): Likewise.
(convert_regs_1): Likewise,
(convert_regs_2): Likewise.
(convert_regs): Likewise.
* regrename.c (copyprop_hardreg_forward): Likewise.
* reload1.c (fixup_abnormal_edges): Likewise.
* sbitmap.c (sbitmap_intersection_of_succs): Likewise.
(sbitmap_insersection_of_preds): Likewise.
(sbitmap_union_of_succs): Likewise.
(sbitmap_union_of_preds): Likewise.
* sched-ebb.c (compute_jump_reg_dependencies): Likewise.
(fix_basic_block_boundaries): Likewise.
(sched_ebbs): Likewise.
* sched-rgn.c (build_control_flow): Likewise.
(find_rgns): Likewise.
* tracer.c (find_best_successor): Likewise.
(find_best_predecessor): Likewise.
(tail_duplicate): Likewise.
* tree-cfg.c (make_edges): Likewise.
(make_ctrl_stmt_edges): Likewise.
(make_goto_expr_edges): Likewise.
(tree_can_merge_blocks_p): Likewise.
(tree_merge_blocks): Likewise.
(cfg_remove_useless_stmts_bb): Likewise.
(remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
(tree_block_forwards_to): Likewise.
(cleanup_control_expr_graph): Likewise.
(find_taken_edge): Likewise.
(dump_cfg_stats): Likewise.
(tree_cfg2vcg): Likewise.
(disband_implicit_edges): Likewise.
(tree_find_edge_insert_loc): Likewise.
(bsi_commit_edge_inserts): Likewise.
(tree_split_edge): Likewise.
(tree_verify_flow_info): Likewise.
(tree_make_forwarder_block): Likewise.
(tree_forwarder_block_p): Likewise.
(thread_jumps): Likewise.
(tree_try_redirect_by_replacing_jump): Likewise.
(tree_split_block): Likewise.
(add_phi_args_after_copy_bb): Likewise.
(rewrite_to_new_ssa_names_bb): Likewise.
(dump_function_to_file): Likewise.
(print_pred_bbs): Likewise.
(print_loop): Likewise.
(tree_flow_call_edges_add): Likewise.
(split_critical_edges): Likewise.
(execute_warn_function_return): Likewise.
(extract_true_false_edges_from_block): Likewise.
* tree-if-conv.c (tree_if_conversion): Likewise.
(if_convertable_bb_p): Likewise.
(find_phi_replacement_condition): Likewise.
(combine_blocks): Likewise.
* tree-into-ssa.c (compute_global_livein): Likewise.
(ssa_mark_phi_uses): Likewise.
(ssa_rewrite_initialize_block): Likewise.
(rewrite_add_phi_arguments): Likewise.
(ssa_rewrite_phi_arguments): Likewise.
(insert_phi_nodes_for): Likewise.
(rewrite_into_ssa): Likewise.
(rewrite_ssa_into_ssa): Likewise.
* tree-mudflap.c (mf_build_check_statement_for): Likewise.
* tree-outof-ssa.c (coalesce_abnormal_edges): Likewise.
(rewrite_trees): Likewise.
* tree-pretty-print.c (dump_bb_header): Likewise.
(dump_implicit_edges): Likewise.
* tree-sra.c (insert_edge_copies): Likewise.
(find_obviously_necessary_stmts): Likewise.
(remove_data_stmt): Likewise.
* tree-ssa-dom.c (thread_across_edge): Likewise.
(dom_opt_finalize_block): Likewise.
(single_incoming_edge_ignoring_loop_edges): Likewise.
(record_equivalences_from_incoming_edges): Likewise.
(cprop_into_successor_phis): Likewise.
* tree-ssa-live.c (live_worklist): Likewise.
(calculate_live_on_entry): Likewise.
(calculate_live_on_exit): Likewise.
* tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Likewise.
(copy_loop_headers): Likewise.
* tree-ssa-loop-im.c (loop_commit_inserts): Likewise.
(fill_always_executed_in): Likewise.
* tree-ssa-loop-ivcanon.c (create_canonical_iv): Likewise.
* tree-ssa-loop-ivopts.c (find_interesting_uses): Likewise.
(compute_phi_arg_on_exit): Likewise.
* tree-ssa-loop-manip.c (add_exit_phis_edge): Likewise.
(get_loops_exit): Likewise.
(split_loop_exit_edge): Likewise.
(ip_normal_pos): Likewise.
* tree-ssa-loop-niter.c (simplify_using_initial_conditions):
Likewise.
* tree-ssa-phiopt.c (candidate_bb_for_phi_optimization): Likewise.
(replace_phi_with_stmt): Likewise.
(value_replacement): Likewise.
* tree-ssa-pre.c (compute_antic_aux): Likewise.
(insert_aux): Likewise.
(init_pre): Likewise.
* tree-ssa-propagate.c (simulate_stmt): Likewise.
(simulate_block): Likewise.
(ssa_prop_init): Likewise.
* tree-ssa-threadupdate.c (thread_block): Likewise.
(create_block_for_threading): Likewise.
(remove_last_stmt_and_useless_edges): Likewise.
* tree-ssa.c (verify_phi_args): Likewise.
(verify_ssa): Likewise.
* tree_tailcall.c (independent_of_stmt_p): Likewise.
(find_tail_calls): Likewise.
(eliminate_tail_call): Likewise.
(tree_optimize_tail_calls_1): Likewise.
* tree-vectorizer.c (vect_transform_loop): Likewise.
* var-tracking.c (prologue_stack_adjust): Likewise.
(vt_stack_adjustments): Likewise.
(vt_find_locations): Likewise.
* config/frv/frv.c (frv_ifcvt_modify_tests): Likewise.
* config/i386/i386.c (ix86_pad_returns): Likewise.
* config/ia64/ia64.c (ia64_expand_prologue): Likewise.
* config/rs6000/rs6000.c (rs6000_emit_prologue): Likewise.
Co-Authored-By: Andrew Pinski <pinskia@physics.uc.edu>
Co-Authored-By: Steven Bosscher <stevenb@suse.de>
From-SVN: r88222
2004-09-28 09:59:54 +02:00
|
|
|
gcc_assert (EDGE_COUNT (unswitch_on->succs) == 2);
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
gcc_assert (loop->inner == NULL);
|
|
|
|
|
2007-01-03 03:29:00 +01:00
|
|
|
extract_true_false_edges_from_block (unswitch_on, &edge_true, &edge_false);
|
|
|
|
prob_true = edge_true->probability;
|
2009-11-25 11:55:54 +01:00
|
|
|
return loop_version (loop, unshare_expr (cond),
|
2017-02-05 18:16:52 +01:00
|
|
|
NULL, prob_true, REG_BR_PROB_BASE - prob_true, prob_true,
|
2007-01-03 03:29:00 +01:00
|
|
|
REG_BR_PROB_BASE - prob_true, false);
|
cfgloop.h (update_single_exits_after_duplication): Declare.
* cfgloop.h (update_single_exits_after_duplication): Declare.
(loopify, split_loop_bb): Declaration changed.
* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
of rtx.
(loopify): Added redirect_all_edges argument.
(update_single_exits_after_duplication): Export.
* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
* tree-flow.h (tree_duplicate_loop_to_header_edge,
tree_ssa_loop_version): Declare.
* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
lv_update_pending_stmts, tree_ssa_loop_version): New functions.
* tree-ssa-loop-unswitch.c: New file.
* Makefile.in (tree-ssa-loop-unswitch.o): Add.
* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
* tree-flow.h (tree_ssa_unswitch_loops): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
* tree-pass.h (pass_unswitch): Declare.
* tree-ssa-loop.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
* doc/passes.texi: Documen tree level loop unswitching.
* gcc.dg/tree-ssa/loop-6.c: New test.
From-SVN: r87943
2004-09-23 14:21:31 +02:00
|
|
|
}
|
tree-flow.h: Move some protoypes.
* tree-flow.h: Move some protoypes. Include new tree-ssa-loop.h.
(struct affine_iv, struct tree_niter_desc): Move to tree-ssa-loop.h.
(enum move_pos): Move to tree-ssa-loop-im.h
* cfgloop.h: Move some prototypes.
(gcov_type_to_double_int): relocate from tree-ssa-loop.niter.c.
* tree-flow-inline.h (loop_containing_stmt): Move to tree-ssa-loop.h.
* tree-ssa-loop.h: New File. Include other tree-ssa-loop-*.h files.
(struct affine_iv, struct tree_niter_desc): Relocate from tree-flow.h.
(loop_containing_stmt): Relocate from tree-flow-inline.h.
* tree-ssa-loop-ch.c: (do_while_loop_p): Make static.
* tree-ssa-loop-im.c (for_each_index): Move to tree-ssa-loop.c.
(enum move_pos): Relocate here.
(lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): Move to
tree-ssa-loop.c.
(execute_sm_if_changed_flag_set): Change get_lsm_tmp_name call.
(tree_ssa_loop_im, gate_tree_ssa_loop_im, pass_data_lim, make_pass_lim):
Relocate here from tree-ssa-loop.c.
* tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Move to
tree-ssa-loop.c.
(loop_edge_to_cancel, unloop_loops): Make static.
(tree_ssa_loop_ivcanon, gate_tree_ssa_loop_ivcanon, pass_data_iv_canon,
make_pass_iv_canon): Relocate from tree-ssa-loop.c.
(tree_complete_unroll, gate_tree_complete_unroll,
pass_data_complete_unroll, make_pass_complete_unroll): Relocate here.
(tree_complete_unroll_inner, gate_tree_complete_unroll_inner,
pass_data_complete_unrolli, make_pass_complete_unrolli): Relocate here.
* tree-ssa-loop-ivopts.c: Remove local prototypes.
(stmt_invariant_in_loop_p): Remove unused function.
* tree-ssa-loop-ivopts.h: New file. Add prototypes.
* tree-ssa-loop-manip.h: New file. Add prototypes.
* tree-ssa-loop-niter.c (record_niter_bound): Move to cfgloop.c.
(gcov_type_to_double_int): Move to cfgloop.h.
(double_int_cmp, bound_index,
estimate_numbers_of_iterations_loop): Make static.
(estimated_loop_iterations): Factor out get_estimated_loop_iterations.
(max_loop_iterations): Factor out get_max_loop_iterations.
(estimated_loop_iterations_int, max_stmt_executions_int): Move to
cfgloop.c.
* tree-ssa-loop-niter.h: New file. Add prototypes.
* tree-ssa-loop-prefetch.c (tree_ssa_loop_prefetch,
gate_tree_ssa_loop_prefetch, pass_data_loop_prefetch,
make_pass_loop_prefetch): Relocate from tree-ssa-loop.c.
* tree-ssa-loop-unswitch.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_data_tree_unswitch,
make_pass_tree_unswitch): Relocate from tree-ssa-loop.c.
* tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im,
pass_data_lim, make_pass_lim): Move to tree-ssa-loop-im.c.
(tree_ssa_loop_unswitch, gate_tree_ssa_loop_unswitch,
pass_data_tree_unswitch, make_pass_tree_unswitch): Move.
(tree_ssa_loop_ivcanon, gate_tree_ssa_loop_ivcanon, pass_data_iv_canon,
make_pass_iv_canon, tree_complete_unroll, gate_tree_complete_unroll,
pass_data_complete_unroll, make_pass_complete_unroll,
tree_complete_unroll_inner, gate_tree_complete_unroll_inner,
pass_data_complete_unrolli, make_pass_complete_unrolli): Move to
tree-ssa-loop-ivcanon.c.
(tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
pass_data_loop_prefetch, make_pass_loop_prefetch): Move to
tree-ssa-loop-prefetch.c.
(for_each_index, lsm_tmp_name_add, gen_lsm_tmp_name): Relocate from
tree-ssa-loop-im.c.
(get_lsm_tmp_name): Relocate and add suffix parameter.
(tree_num_loop_insns): Relocate from tree-ssa-ivcanon.c.
* tree-scalar-evolution.h (simple_iv): Don't use affive_iv typedef.
* cfgloop.c (record_niter_bound, estimated_loop_iterations_int,
max_stmt_executions_int): Move from tree-ssa-loop-niter.c.
(get_estimated_loop_iterations): Factor out accessor from
estimated_loop_iterations in tree-ssa-loop-niter.c.
(get_max_loop_iterations): Factor out accessor from _max_loop_iterations
in tree-ssa-niter.c.
* loop-unroll.c (decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
decide_unroll_stupid): Use new get_* accessors.
From-SVN: r203317
2013-10-09 15:09:23 +02:00
|
|
|
|
2015-10-08 15:14:09 +02:00
|
|
|
/* Unswitch outer loops by hoisting invariant guard on
|
|
|
|
inner loop without code duplication. */
|
|
|
|
static bool
|
|
|
|
tree_unswitch_outer_loop (struct loop *loop)
|
|
|
|
{
|
|
|
|
edge exit, guard;
|
|
|
|
HOST_WIDE_INT iterations;
|
|
|
|
|
|
|
|
gcc_assert (loop->inner);
|
|
|
|
if (loop->inner->next)
|
|
|
|
return false;
|
2015-12-18 11:16:56 +01:00
|
|
|
/* Accept loops with single exit only which is not from inner loop. */
|
2015-10-08 15:14:09 +02:00
|
|
|
exit = single_exit (loop);
|
2015-12-18 11:16:56 +01:00
|
|
|
if (!exit || exit->src->loop_father != loop)
|
2015-10-08 15:14:09 +02:00
|
|
|
return false;
|
|
|
|
/* Check that phi argument of exit edge is not defined inside loop. */
|
|
|
|
if (!check_exit_phi (loop))
|
|
|
|
return false;
|
|
|
|
/* If the loop is not expected to iterate, there is no need
|
|
|
|
for unswitching. */
|
|
|
|
iterations = estimated_loop_iterations_int (loop);
|
2016-04-21 10:52:41 +02:00
|
|
|
if (iterations < 0)
|
2016-06-01 17:26:46 +02:00
|
|
|
iterations = likely_max_loop_iterations_int (loop);
|
2015-10-08 15:14:09 +02:00
|
|
|
if (iterations >= 0 && iterations <= 1)
|
|
|
|
{
|
|
|
|
if (dump_file && (dump_flags & TDF_DETAILS))
|
|
|
|
fprintf (dump_file, ";; Not unswitching, loop is not expected"
|
|
|
|
" to iterate\n");
|
2015-12-09 01:44:14 +01:00
|
|
|
return false;
|
2015-10-08 15:14:09 +02:00
|
|
|
}
|
|
|
|
|
2016-08-17 10:11:32 +02:00
|
|
|
bool changed = false;
|
|
|
|
while ((guard = find_loop_guard (loop)))
|
2015-10-08 15:14:09 +02:00
|
|
|
{
|
2016-08-17 10:11:32 +02:00
|
|
|
if (! changed)
|
|
|
|
rewrite_virtuals_into_loop_closed_ssa (loop);
|
2015-10-08 15:14:09 +02:00
|
|
|
hoist_guard (loop, guard);
|
2016-08-17 10:11:32 +02:00
|
|
|
changed = true;
|
2015-10-08 15:14:09 +02:00
|
|
|
}
|
2016-08-17 10:11:32 +02:00
|
|
|
return changed;
|
2015-10-08 15:14:09 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Checks if the body of the LOOP is within an invariant guard. If this
|
|
|
|
is the case, returns the edge that jumps over the real body of the loop,
|
|
|
|
otherwise returns NULL. */
|
|
|
|
|
|
|
|
static edge
|
|
|
|
find_loop_guard (struct loop *loop)
|
|
|
|
{
|
|
|
|
basic_block header = loop->header;
|
|
|
|
edge guard_edge, te, fe;
|
|
|
|
basic_block *body = NULL;
|
|
|
|
unsigned i;
|
|
|
|
tree use;
|
|
|
|
ssa_op_iter iter;
|
|
|
|
|
|
|
|
/* We check for the following situation:
|
|
|
|
|
|
|
|
while (1)
|
|
|
|
{
|
|
|
|
[header]]
|
|
|
|
loop_phi_nodes;
|
|
|
|
something1;
|
|
|
|
if (cond1)
|
|
|
|
body;
|
|
|
|
nvar = phi(orig, bvar) ... for all variables changed in body;
|
|
|
|
[guard_end]
|
|
|
|
something2;
|
|
|
|
if (cond2)
|
|
|
|
break;
|
|
|
|
something3;
|
|
|
|
}
|
|
|
|
|
|
|
|
where:
|
|
|
|
|
|
|
|
1) cond1 is loop invariant
|
|
|
|
2) If cond1 is false, then the loop is essentially empty; i.e.,
|
|
|
|
a) nothing in something1, something2 and something3 has side
|
|
|
|
effects
|
|
|
|
b) anything defined in something1, something2 and something3
|
|
|
|
is not used outside of the loop. */
|
|
|
|
|
2016-08-17 10:11:32 +02:00
|
|
|
gcond *cond;
|
|
|
|
do
|
|
|
|
{
|
|
|
|
if (single_succ_p (header))
|
|
|
|
header = single_succ (header);
|
|
|
|
else
|
|
|
|
{
|
|
|
|
cond = dyn_cast <gcond *> (last_stmt (header));
|
|
|
|
if (! cond)
|
|
|
|
return NULL;
|
|
|
|
extract_true_false_edges_from_block (header, &te, &fe);
|
|
|
|
/* Make sure to skip earlier hoisted guards that are left
|
|
|
|
in place as if (true). */
|
|
|
|
if (gimple_cond_true_p (cond))
|
|
|
|
header = te->dest;
|
|
|
|
else if (gimple_cond_false_p (cond))
|
|
|
|
header = fe->dest;
|
|
|
|
else
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
while (1);
|
2015-10-08 15:14:09 +02:00
|
|
|
if (!flow_bb_inside_loop_p (loop, te->dest)
|
|
|
|
|| !flow_bb_inside_loop_p (loop, fe->dest))
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
if (just_once_each_iteration_p (loop, te->dest)
|
|
|
|
|| (single_succ_p (te->dest)
|
|
|
|
&& just_once_each_iteration_p (loop, single_succ (te->dest))))
|
|
|
|
{
|
|
|
|
if (just_once_each_iteration_p (loop, fe->dest))
|
|
|
|
return NULL;
|
|
|
|
guard_edge = te;
|
|
|
|
}
|
|
|
|
else if (just_once_each_iteration_p (loop, fe->dest)
|
|
|
|
|| (single_succ_p (fe->dest)
|
|
|
|
&& just_once_each_iteration_p (loop, single_succ (fe->dest))))
|
|
|
|
guard_edge = fe;
|
|
|
|
else
|
|
|
|
return NULL;
|
|
|
|
|
2015-10-13 15:08:31 +02:00
|
|
|
/* Guard edge must skip inner loop. */
|
|
|
|
if (!dominated_by_p (CDI_DOMINATORS, loop->inner->header,
|
|
|
|
guard_edge == fe ? te->dest : fe->dest))
|
|
|
|
{
|
|
|
|
if (dump_file && (dump_flags & TDF_DETAILS))
|
|
|
|
fprintf (dump_file, "Guard edge %d --> %d is not around the loop!\n",
|
|
|
|
guard_edge->src->index, guard_edge->dest->index);
|
|
|
|
return NULL;
|
|
|
|
}
|
2016-05-06 14:07:25 +02:00
|
|
|
if (guard_edge->dest == loop->latch)
|
|
|
|
{
|
|
|
|
if (dump_file && (dump_flags & TDF_DETAILS))
|
|
|
|
fprintf (dump_file, "Guard edge destination is loop latch.\n");
|
|
|
|
return NULL;
|
|
|
|
}
|
2015-10-13 15:08:31 +02:00
|
|
|
|
2015-10-08 15:14:09 +02:00
|
|
|
if (dump_file && (dump_flags & TDF_DETAILS))
|
|
|
|
fprintf (dump_file,
|
|
|
|
"Considering guard %d -> %d in loop %d\n",
|
|
|
|
guard_edge->src->index, guard_edge->dest->index, loop->num);
|
|
|
|
/* Check if condition operands do not have definitions inside loop since
|
|
|
|
any bb copying is not performed. */
|
2016-08-17 10:11:32 +02:00
|
|
|
FOR_EACH_SSA_TREE_OPERAND (use, cond, iter, SSA_OP_USE)
|
2015-10-08 15:14:09 +02:00
|
|
|
{
|
|
|
|
gimple *def = SSA_NAME_DEF_STMT (use);
|
|
|
|
basic_block def_bb = gimple_bb (def);
|
|
|
|
if (def_bb
|
|
|
|
&& flow_bb_inside_loop_p (loop, def_bb))
|
|
|
|
{
|
|
|
|
if (dump_file && (dump_flags & TDF_DETAILS))
|
|
|
|
fprintf (dump_file, " guard operands have definitions"
|
|
|
|
" inside loop\n");
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
body = get_loop_body (loop);
|
|
|
|
for (i = 0; i < loop->num_nodes; i++)
|
|
|
|
{
|
|
|
|
basic_block bb = body[i];
|
|
|
|
if (bb->loop_father != loop)
|
|
|
|
continue;
|
|
|
|
if (bb->flags & BB_IRREDUCIBLE_LOOP)
|
|
|
|
{
|
|
|
|
if (dump_file && (dump_flags & TDF_DETAILS))
|
|
|
|
fprintf (dump_file, "Block %d is marked as irreducible in loop\n",
|
|
|
|
bb->index);
|
|
|
|
guard_edge = NULL;
|
|
|
|
goto end;
|
|
|
|
}
|
|
|
|
if (!empty_bb_without_guard_p (loop, bb))
|
|
|
|
{
|
|
|
|
if (dump_file && (dump_flags & TDF_DETAILS))
|
|
|
|
fprintf (dump_file, " block %d has side effects\n", bb->index);
|
|
|
|
guard_edge = NULL;
|
|
|
|
goto end;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (dump_file && (dump_flags & TDF_DETAILS))
|
|
|
|
fprintf (dump_file, " suitable to hoist\n");
|
|
|
|
end:
|
|
|
|
if (body)
|
|
|
|
free (body);
|
|
|
|
return guard_edge;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Returns true if
|
|
|
|
1) no statement in BB has side effects
|
|
|
|
2) assuming that edge GUARD is always taken, all definitions in BB
|
|
|
|
are noy used outside of the loop.
|
|
|
|
KNOWN_INVARIANTS is a set of ssa names we know to be invariant, and
|
|
|
|
PROCESSED is a set of ssa names for that we already tested whether they
|
|
|
|
are invariant or not. */
|
|
|
|
|
|
|
|
static bool
|
|
|
|
empty_bb_without_guard_p (struct loop *loop, basic_block bb)
|
|
|
|
{
|
|
|
|
basic_block exit_bb = single_exit (loop)->src;
|
|
|
|
bool may_be_used_outside = (bb == exit_bb
|
|
|
|
|| !dominated_by_p (CDI_DOMINATORS, bb, exit_bb));
|
|
|
|
tree name;
|
|
|
|
ssa_op_iter op_iter;
|
|
|
|
|
|
|
|
/* Phi nodes do not have side effects, but their results might be used
|
|
|
|
outside of the loop. */
|
|
|
|
if (may_be_used_outside)
|
|
|
|
{
|
|
|
|
for (gphi_iterator gsi = gsi_start_phis (bb);
|
|
|
|
!gsi_end_p (gsi); gsi_next (&gsi))
|
|
|
|
{
|
|
|
|
gphi *phi = gsi.phi ();
|
|
|
|
name = PHI_RESULT (phi);
|
|
|
|
if (virtual_operand_p (name))
|
|
|
|
continue;
|
|
|
|
|
|
|
|
if (used_outside_loop_p (loop, name))
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
for (gimple_stmt_iterator gsi = gsi_start_bb (bb);
|
|
|
|
!gsi_end_p (gsi); gsi_next (&gsi))
|
|
|
|
{
|
|
|
|
gimple *stmt = gsi_stmt (gsi);
|
|
|
|
if (gimple_has_side_effects (stmt))
|
|
|
|
return false;
|
|
|
|
|
|
|
|
if (gimple_vdef(stmt))
|
|
|
|
return false;
|
|
|
|
|
|
|
|
FOR_EACH_SSA_TREE_OPERAND (name, stmt, op_iter, SSA_OP_DEF)
|
|
|
|
{
|
|
|
|
if (may_be_used_outside
|
|
|
|
&& used_outside_loop_p (loop, name))
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Return true if NAME is used outside of LOOP. */
|
|
|
|
|
|
|
|
static bool
|
|
|
|
used_outside_loop_p (struct loop *loop, tree name)
|
|
|
|
{
|
|
|
|
imm_use_iterator it;
|
|
|
|
use_operand_p use;
|
|
|
|
|
|
|
|
FOR_EACH_IMM_USE_FAST (use, it, name)
|
|
|
|
{
|
|
|
|
gimple *stmt = USE_STMT (use);
|
|
|
|
if (!flow_bb_inside_loop_p (loop, gimple_bb (stmt)))
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Return argument for loop preheader edge in header virtual phi if any. */
|
|
|
|
|
|
|
|
static tree
|
|
|
|
get_vop_from_header (struct loop *loop)
|
|
|
|
{
|
|
|
|
for (gphi_iterator gsi = gsi_start_phis (loop->header);
|
|
|
|
!gsi_end_p (gsi); gsi_next (&gsi))
|
|
|
|
{
|
|
|
|
gphi *phi = gsi.phi ();
|
|
|
|
if (!virtual_operand_p (gimple_phi_result (phi)))
|
|
|
|
continue;
|
|
|
|
return PHI_ARG_DEF_FROM_EDGE (phi, loop_preheader_edge (loop));
|
|
|
|
}
|
|
|
|
return NULL_TREE;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Move the check of GUARD outside of LOOP. */
|
|
|
|
|
|
|
|
static void
|
|
|
|
hoist_guard (struct loop *loop, edge guard)
|
|
|
|
{
|
|
|
|
edge exit = single_exit (loop);
|
|
|
|
edge preh = loop_preheader_edge (loop);
|
|
|
|
basic_block pre_header = preh->src;
|
|
|
|
basic_block bb;
|
|
|
|
edge te, fe, e, new_edge;
|
|
|
|
gimple *stmt;
|
|
|
|
basic_block guard_bb = guard->src;
|
2017-02-09 19:13:35 +01:00
|
|
|
edge not_guard;
|
2015-10-08 15:14:09 +02:00
|
|
|
gimple_stmt_iterator gsi;
|
|
|
|
int flags = 0;
|
|
|
|
bool fix_dom_of_exit;
|
|
|
|
gcond *cond_stmt, *new_cond_stmt;
|
|
|
|
|
|
|
|
bb = get_immediate_dominator (CDI_DOMINATORS, exit->dest);
|
|
|
|
fix_dom_of_exit = flow_bb_inside_loop_p (loop, bb);
|
|
|
|
gsi = gsi_last_bb (guard_bb);
|
|
|
|
stmt = gsi_stmt (gsi);
|
|
|
|
gcc_assert (gimple_code (stmt) == GIMPLE_COND);
|
|
|
|
cond_stmt = as_a <gcond *> (stmt);
|
|
|
|
extract_true_false_edges_from_block (guard_bb, &te, &fe);
|
|
|
|
/* Insert guard to PRE_HEADER. */
|
|
|
|
if (!empty_block_p (pre_header))
|
|
|
|
gsi = gsi_last_bb (pre_header);
|
|
|
|
else
|
|
|
|
gsi = gsi_start_bb (pre_header);
|
|
|
|
/* Create copy of COND_STMT. */
|
|
|
|
new_cond_stmt = gimple_build_cond (gimple_cond_code (cond_stmt),
|
|
|
|
gimple_cond_lhs (cond_stmt),
|
|
|
|
gimple_cond_rhs (cond_stmt),
|
|
|
|
NULL_TREE, NULL_TREE);
|
|
|
|
gsi_insert_after (&gsi, new_cond_stmt, GSI_NEW_STMT);
|
|
|
|
/* Convert COND_STMT to true/false conditional. */
|
|
|
|
if (guard == te)
|
|
|
|
gimple_cond_make_false (cond_stmt);
|
|
|
|
else
|
|
|
|
gimple_cond_make_true (cond_stmt);
|
|
|
|
update_stmt (cond_stmt);
|
|
|
|
/* Create new loop pre-header. */
|
|
|
|
e = split_block (pre_header, last_stmt (pre_header));
|
2017-02-09 19:13:35 +01:00
|
|
|
if (dump_file && (dump_flags & TDF_DETAILS))
|
2017-02-14 15:54:55 +01:00
|
|
|
fprintf (dump_file, " Moving guard %i->%i (prob %i) to bb %i, "
|
2017-02-09 19:13:35 +01:00
|
|
|
"new preheader is %i\n",
|
|
|
|
guard->src->index, guard->dest->index, guard->probability,
|
|
|
|
e->src->index, e->dest->index);
|
|
|
|
|
2015-10-08 15:14:09 +02:00
|
|
|
gcc_assert (loop_preheader_edge (loop)->src == e->dest);
|
2017-02-09 19:13:35 +01:00
|
|
|
|
2015-10-08 15:14:09 +02:00
|
|
|
if (guard == fe)
|
|
|
|
{
|
|
|
|
e->flags = EDGE_TRUE_VALUE;
|
|
|
|
flags |= EDGE_FALSE_VALUE;
|
2017-02-09 19:13:35 +01:00
|
|
|
not_guard = te;
|
2015-10-08 15:14:09 +02:00
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
e->flags = EDGE_FALSE_VALUE;
|
|
|
|
flags |= EDGE_TRUE_VALUE;
|
2017-02-09 19:13:35 +01:00
|
|
|
not_guard = fe;
|
2015-10-08 15:14:09 +02:00
|
|
|
}
|
|
|
|
new_edge = make_edge (pre_header, exit->dest, flags);
|
2017-02-09 19:13:35 +01:00
|
|
|
|
|
|
|
/* Determine the probability that we skip the loop. Assume that loop has
|
|
|
|
same average number of iterations regardless outcome of guard. */
|
|
|
|
new_edge->probability = guard->probability;
|
|
|
|
int skip_count = guard->src->count
|
|
|
|
? RDIV (guard->count * pre_header->count, guard->src->count)
|
|
|
|
: apply_probability (guard->count, new_edge->probability);
|
|
|
|
|
|
|
|
if (skip_count > e->count)
|
|
|
|
{
|
|
|
|
fprintf (dump_file, " Capping count; expect profile inconsistency\n");
|
|
|
|
skip_count = e->count;
|
|
|
|
}
|
|
|
|
new_edge->count = skip_count;
|
|
|
|
if (dump_file && (dump_flags & TDF_DETAILS))
|
|
|
|
fprintf (dump_file, " Estimated probability of skipping loop is %i\n",
|
|
|
|
new_edge->probability);
|
|
|
|
|
|
|
|
/* Update profile after the transform:
|
|
|
|
|
|
|
|
First decrease count of path from newly hoisted loop guard
|
|
|
|
to loop header... */
|
|
|
|
e->count -= skip_count;
|
|
|
|
e->probability = REG_BR_PROB_BASE - new_edge->probability;
|
|
|
|
e->dest->count = e->count;
|
|
|
|
e->dest->frequency = EDGE_FREQUENCY (e);
|
|
|
|
|
|
|
|
/* ... now update profile to represent that original guard will be optimized
|
|
|
|
away ... */
|
|
|
|
guard->probability = 0;
|
|
|
|
guard->count = 0;
|
|
|
|
not_guard->probability = REG_BR_PROB_BASE;
|
|
|
|
/* This count is wrong (frequency of not_guard does not change),
|
|
|
|
but will be scaled later. */
|
|
|
|
not_guard->count = guard->src->count;
|
|
|
|
|
|
|
|
/* ... finally scale everything in the loop except for guarded basic blocks
|
|
|
|
where profile does not change. */
|
|
|
|
basic_block *body = get_loop_body (loop);
|
2017-02-14 15:54:55 +01:00
|
|
|
|
2017-02-09 19:13:35 +01:00
|
|
|
if (dump_file && (dump_flags & TDF_DETAILS))
|
|
|
|
fprintf (dump_file, " Scaling nonguarded BBs in loop:");
|
|
|
|
for (unsigned int i = 0; i < loop->num_nodes; i++)
|
|
|
|
{
|
|
|
|
basic_block bb = body[i];
|
|
|
|
if (!dominated_by_p (CDI_DOMINATORS, bb, not_guard->dest))
|
|
|
|
{
|
|
|
|
if (dump_file && (dump_flags & TDF_DETAILS))
|
|
|
|
fprintf (dump_file, " %i", bb->index);
|
|
|
|
scale_bbs_frequencies_int (&bb, 1, e->probability, REG_BR_PROB_BASE);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2015-10-08 15:14:09 +02:00
|
|
|
if (fix_dom_of_exit)
|
|
|
|
set_immediate_dominator (CDI_DOMINATORS, exit->dest, pre_header);
|
|
|
|
/* Add NEW_ADGE argument for all phi in post-header block. */
|
|
|
|
bb = exit->dest;
|
|
|
|
for (gphi_iterator gsi = gsi_start_phis (bb);
|
|
|
|
!gsi_end_p (gsi); gsi_next (&gsi))
|
|
|
|
{
|
|
|
|
gphi *phi = gsi.phi ();
|
|
|
|
tree arg;
|
|
|
|
if (virtual_operand_p (gimple_phi_result (phi)))
|
|
|
|
{
|
|
|
|
arg = get_vop_from_header (loop);
|
|
|
|
if (arg == NULL_TREE)
|
|
|
|
/* Use exit edge argument. */
|
|
|
|
arg = PHI_ARG_DEF_FROM_EDGE (phi, exit);
|
|
|
|
add_phi_arg (phi, arg, new_edge, UNKNOWN_LOCATION);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
/* Use exit edge argument. */
|
|
|
|
arg = PHI_ARG_DEF_FROM_EDGE (phi, exit);
|
|
|
|
add_phi_arg (phi, arg, new_edge, UNKNOWN_LOCATION);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (dump_file && (dump_flags & TDF_DETAILS))
|
2017-02-09 19:13:35 +01:00
|
|
|
fprintf (dump_file, "\n guard hoisted.\n");
|
2017-02-14 15:54:55 +01:00
|
|
|
|
|
|
|
free (body);
|
2015-10-08 15:14:09 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Return true if phi argument for exit edge can be used
|
|
|
|
for edge around loop. */
|
|
|
|
|
|
|
|
static bool
|
|
|
|
check_exit_phi (struct loop *loop)
|
|
|
|
{
|
|
|
|
edge exit = single_exit (loop);
|
|
|
|
basic_block pre_header = loop_preheader_edge (loop)->src;
|
|
|
|
|
|
|
|
for (gphi_iterator gsi = gsi_start_phis (exit->dest);
|
|
|
|
!gsi_end_p (gsi); gsi_next (&gsi))
|
|
|
|
{
|
|
|
|
gphi *phi = gsi.phi ();
|
|
|
|
tree arg;
|
|
|
|
gimple *def;
|
|
|
|
basic_block def_bb;
|
|
|
|
if (virtual_operand_p (gimple_phi_result (phi)))
|
|
|
|
continue;
|
|
|
|
arg = PHI_ARG_DEF_FROM_EDGE (phi, exit);
|
|
|
|
if (TREE_CODE (arg) != SSA_NAME)
|
|
|
|
continue;
|
|
|
|
def = SSA_NAME_DEF_STMT (arg);
|
|
|
|
if (!def)
|
|
|
|
continue;
|
|
|
|
def_bb = gimple_bb (def);
|
|
|
|
if (!def_bb)
|
|
|
|
continue;
|
|
|
|
if (!dominated_by_p (CDI_DOMINATORS, pre_header, def_bb))
|
|
|
|
/* Definition inside loop! */
|
|
|
|
return false;
|
|
|
|
/* Check loop closed phi invariant. */
|
|
|
|
if (!flow_bb_inside_loop_p (def_bb->loop_father, pre_header))
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
tree-flow.h: Move some protoypes.
* tree-flow.h: Move some protoypes. Include new tree-ssa-loop.h.
(struct affine_iv, struct tree_niter_desc): Move to tree-ssa-loop.h.
(enum move_pos): Move to tree-ssa-loop-im.h
* cfgloop.h: Move some prototypes.
(gcov_type_to_double_int): relocate from tree-ssa-loop.niter.c.
* tree-flow-inline.h (loop_containing_stmt): Move to tree-ssa-loop.h.
* tree-ssa-loop.h: New File. Include other tree-ssa-loop-*.h files.
(struct affine_iv, struct tree_niter_desc): Relocate from tree-flow.h.
(loop_containing_stmt): Relocate from tree-flow-inline.h.
* tree-ssa-loop-ch.c: (do_while_loop_p): Make static.
* tree-ssa-loop-im.c (for_each_index): Move to tree-ssa-loop.c.
(enum move_pos): Relocate here.
(lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): Move to
tree-ssa-loop.c.
(execute_sm_if_changed_flag_set): Change get_lsm_tmp_name call.
(tree_ssa_loop_im, gate_tree_ssa_loop_im, pass_data_lim, make_pass_lim):
Relocate here from tree-ssa-loop.c.
* tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Move to
tree-ssa-loop.c.
(loop_edge_to_cancel, unloop_loops): Make static.
(tree_ssa_loop_ivcanon, gate_tree_ssa_loop_ivcanon, pass_data_iv_canon,
make_pass_iv_canon): Relocate from tree-ssa-loop.c.
(tree_complete_unroll, gate_tree_complete_unroll,
pass_data_complete_unroll, make_pass_complete_unroll): Relocate here.
(tree_complete_unroll_inner, gate_tree_complete_unroll_inner,
pass_data_complete_unrolli, make_pass_complete_unrolli): Relocate here.
* tree-ssa-loop-ivopts.c: Remove local prototypes.
(stmt_invariant_in_loop_p): Remove unused function.
* tree-ssa-loop-ivopts.h: New file. Add prototypes.
* tree-ssa-loop-manip.h: New file. Add prototypes.
* tree-ssa-loop-niter.c (record_niter_bound): Move to cfgloop.c.
(gcov_type_to_double_int): Move to cfgloop.h.
(double_int_cmp, bound_index,
estimate_numbers_of_iterations_loop): Make static.
(estimated_loop_iterations): Factor out get_estimated_loop_iterations.
(max_loop_iterations): Factor out get_max_loop_iterations.
(estimated_loop_iterations_int, max_stmt_executions_int): Move to
cfgloop.c.
* tree-ssa-loop-niter.h: New file. Add prototypes.
* tree-ssa-loop-prefetch.c (tree_ssa_loop_prefetch,
gate_tree_ssa_loop_prefetch, pass_data_loop_prefetch,
make_pass_loop_prefetch): Relocate from tree-ssa-loop.c.
* tree-ssa-loop-unswitch.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_data_tree_unswitch,
make_pass_tree_unswitch): Relocate from tree-ssa-loop.c.
* tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im,
pass_data_lim, make_pass_lim): Move to tree-ssa-loop-im.c.
(tree_ssa_loop_unswitch, gate_tree_ssa_loop_unswitch,
pass_data_tree_unswitch, make_pass_tree_unswitch): Move.
(tree_ssa_loop_ivcanon, gate_tree_ssa_loop_ivcanon, pass_data_iv_canon,
make_pass_iv_canon, tree_complete_unroll, gate_tree_complete_unroll,
pass_data_complete_unroll, make_pass_complete_unroll,
tree_complete_unroll_inner, gate_tree_complete_unroll_inner,
pass_data_complete_unrolli, make_pass_complete_unrolli): Move to
tree-ssa-loop-ivcanon.c.
(tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
pass_data_loop_prefetch, make_pass_loop_prefetch): Move to
tree-ssa-loop-prefetch.c.
(for_each_index, lsm_tmp_name_add, gen_lsm_tmp_name): Relocate from
tree-ssa-loop-im.c.
(get_lsm_tmp_name): Relocate and add suffix parameter.
(tree_num_loop_insns): Relocate from tree-ssa-ivcanon.c.
* tree-scalar-evolution.h (simple_iv): Don't use affive_iv typedef.
* cfgloop.c (record_niter_bound, estimated_loop_iterations_int,
max_stmt_executions_int): Move from tree-ssa-loop-niter.c.
(get_estimated_loop_iterations): Factor out accessor from
estimated_loop_iterations in tree-ssa-loop-niter.c.
(get_max_loop_iterations): Factor out accessor from _max_loop_iterations
in tree-ssa-niter.c.
* loop-unroll.c (decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
decide_unroll_stupid): Use new get_* accessors.
From-SVN: r203317
2013-10-09 15:09:23 +02:00
|
|
|
/* Loop unswitching pass. */
|
|
|
|
|
|
|
|
namespace {
|
|
|
|
|
|
|
|
const pass_data pass_data_tree_unswitch =
|
|
|
|
{
|
|
|
|
GIMPLE_PASS, /* type */
|
|
|
|
"unswitch", /* name */
|
|
|
|
OPTGROUP_LOOP, /* optinfo_flags */
|
|
|
|
TV_TREE_LOOP_UNSWITCH, /* tv_id */
|
|
|
|
PROP_cfg, /* properties_required */
|
|
|
|
0, /* properties_provided */
|
|
|
|
0, /* properties_destroyed */
|
|
|
|
0, /* todo_flags_start */
|
|
|
|
0, /* todo_flags_finish */
|
|
|
|
};
|
|
|
|
|
|
|
|
class pass_tree_unswitch : public gimple_opt_pass
|
|
|
|
{
|
|
|
|
public:
|
|
|
|
pass_tree_unswitch (gcc::context *ctxt)
|
|
|
|
: gimple_opt_pass (pass_data_tree_unswitch, ctxt)
|
|
|
|
{}
|
|
|
|
|
|
|
|
/* opt_pass methods: */
|
pass current function to opt_pass::gate ()
gcc/
* passes.c (opt_pass::gate): Take function * argument.
(gate_all_early_local_passes): Merge into
(early_local_passes::gate): this.
(gate_all_early_optimizations): Merge into
(all_early_optimizations::gate): this.
(gate_all_optimizations): Mege into
(all_optimizations::gate): this.
(gate_all_optimizations_g): Merge into
(all_optimizations_g::gate): this.
(gate_rest_of_compilation): Mege into
(rest_of_compilation::gate): this.
(gate_postreload): Merge into
(postreload::gate): this.
(dump_one_pass): Pass cfun to the pass's gate method.
(execute_ipa_summary_passes): Likewise.
(execute_one_pass): Likewise.
(ipa_write_summaries_2): Likewise.
(ipa_write_optimization_summaries_1): Likewise.
(ipa_read_summaries_1): Likewise.
(ipa_read_optimization_summaries_1): Likewise.
(execute_ipa_stmt_fixups): Likewise.
* tree-pass.h (opt_pass::gate): Add function * argument.
* asan.c, auto-inc-dec.c, bb-reorder.c, bt-load.c,
combine-stack-adj.c, combine.c, compare-elim.c,
config/epiphany/resolve-sw-modes.c, config/i386/i386.c,
config/rl78/rl78.c, config/sh/sh_optimize_sett_clrt.cc,
config/sh/sh_treg_combine.cc, config/sparc/sparc.c, cprop.c, cse.c,
dce.c, df-core.c, dse.c, dwarf2cfi.c, except.c, fwprop.c, gcse.c,
gimple-ssa-isolate-paths.c, gimple-ssa-strength-reduction.c,
graphite.c, ifcvt.c, init-regs.c, ipa-cp.c, ipa-devirt.c,
ipa-profile.c, ipa-pure-const.c, ipa-reference.c, ipa-split.c, ipa.c,
loop-init.c, lower-subreg.c, mode-switching.c, modulo-sched.c,
omp-low.c, postreload-gcse.c, postreload.c, predict.c, recog.c, ree.c,
reg-stack.c, regcprop.c, regrename.c, reorg.c, sched-rgn.c,
store-motion.c, tracer.c, trans-mem.c, tree-call-cdce.c, tree-cfg.c,
tree-cfgcleanup.c, tree-complex.c, tree-eh.c, tree-emutls.c,
tree-if-conv.c, tree-into-ssa.c, tree-loop-distribution.c,
tree-nrv.c, tree-parloops.c, tree-predcom.c, tree-profile.c,
tree-sra.c, tree-ssa-ccp.c, tree-ssa-copy.c, tree-ssa-copyrename.c,
tree-ssa-dce.c, tree-ssa-dom.c, tree-ssa-dse.c, tree-ssa-forwprop.c,
tree-ssa-ifcombine.c, tree-ssa-loop-ch.c, tree-ssa-loop-im.c,
tree-ssa-loop-ivcanon.c, tree-ssa-loop-prefetch.c,
tree-ssa-loop-unswitch.c, tree-ssa-loop.c, tree-ssa-math-opts.c,
tree-ssa-phiopt.c, tree-ssa-phiprop.c, tree-ssa-pre.c,
tree-ssa-reassoc.c, tree-ssa-sink.c, tree-ssa-strlen.c,
tree-ssa-structalias.c, tree-ssa-uncprop.c, tree-ssa-uninit.c,
tree-ssa.c, tree-stdarg.c, tree-switch-conversion.c, tree-tailcall.c,
tree-vect-generic.c, tree-vectorizer.c, tree-vrp.c, tsan.c, ubsan.c,
var-tracking.c, vtable-verify.c, web.c: Adjust.
gcc/testsuite/
* g++.dg/plugin/dumb_plugin.c, g++.dg/plugin/selfasign.c,
gcc.dg/plugin/one_time_plugin.c, gcc.dg/plugin/selfasign.c: Adjust.
From-SVN: r209481
2014-04-17 14:37:16 +02:00
|
|
|
virtual bool gate (function *) { return flag_unswitch_loops != 0; }
|
pass cfun to pass::execute
gcc/
* passes.c (opt_pass::execute): Adjust.
(pass_manager::execute_pass_mode_switching): Likewise.
(early_local_passes::execute): Likewise.
(execute_one_pass): Pass cfun to the pass's execute method.
* tree-pass.h (opt_pass::execute): Add function * argument.
* asan.c, auto-inc-dec.c, bb-reorder.c, bt-load.c, cfgcleanup.c,
cfgexpand.c, cfgrtl.c, cgraphbuild.c, combine-stack-adj.c, combine.c,
compare-elim.c, config/arc/arc.c, config/epiphany/mode-switch-use.c,
config/epiphany/resolve-sw-modes.c, config/i386/i386.c,
config/mips/mips.c, config/rl78/rl78.c, config/s390/s390.c,
config/sparc/sparc.c, cprop.c, dce.c, df-core.c, dse.c, dwarf2cfi.c,
except.c, final.c, function.c, fwprop.c, gcse.c, gimple-low.c,
gimple-ssa-isolate-paths.c, gimple-ssa-strength-reduction.c,
graphite.c, ifcvt.c, init-regs.c, ipa-cp.c, ipa-devirt.c,
ipa-inline-analysis.c, ipa-inline.c, ipa-profile.c, ipa-pure-const.c,
ipa-reference.c, ipa-split.c, ipa.c, ira.c, jump.c, loop-init.c,
lower-subreg.c, mode-switching.c, omp-low.c, postreload-gcse.c,
postreload.c, predict.c, recog.c, ree.c, reg-stack.c, regcprop.c,
reginfo.c, regrename.c, reorg.c, sched-rgn.c, stack-ptr-mod.c,
store-motion.c, tracer.c, trans-mem.c, tree-call-cdce.c, tree-cfg.c,
tree-cfgcleanup.c, tree-complex.c, tree-eh.c, tree-emutls.c,
tree-if-conv.c, tree-into-ssa.c, tree-loop-distribution.c, tree-nrv.c,
tree-object-size.c, tree-parloops.c, tree-predcom.c, tree-ssa-ccp.c,
tree-ssa-copy.c, tree-ssa-copyrename.c, tree-ssa-dce.c,
tree-ssa-dom.c, tree-ssa-dse.c, tree-ssa-forwprop.c,
tree-ssa-ifcombine.c, tree-ssa-loop-ch.c, tree-ssa-loop-im.c,
tree-ssa-loop-ivcanon.c, tree-ssa-loop-prefetch.c,
tree-ssa-loop-unswitch.c, tree-ssa-loop.c, tree-ssa-math-opts.c,
tree-ssa-phiopt.c, tree-ssa-phiprop.c, tree-ssa-pre.c,
tree-ssa-reassoc.c, tree-ssa-sink.c, tree-ssa-strlen.c,
tree-ssa-structalias.c, tree-ssa-uncprop.c, tree-ssa-uninit.c,
tree-ssa.c, tree-ssanames.c, tree-stdarg.c, tree-switch-conversion.c,
tree-tailcall.c, tree-vect-generic.c, tree-vectorizer.c, tree-vrp.c,
tree.c, tsan.c, ubsan.c, var-tracking.c, vtable-verify.c, web.c:
Adjust.
From-SVN: r209482
2014-04-17 14:37:34 +02:00
|
|
|
virtual unsigned int execute (function *);
|
tree-flow.h: Move some protoypes.
* tree-flow.h: Move some protoypes. Include new tree-ssa-loop.h.
(struct affine_iv, struct tree_niter_desc): Move to tree-ssa-loop.h.
(enum move_pos): Move to tree-ssa-loop-im.h
* cfgloop.h: Move some prototypes.
(gcov_type_to_double_int): relocate from tree-ssa-loop.niter.c.
* tree-flow-inline.h (loop_containing_stmt): Move to tree-ssa-loop.h.
* tree-ssa-loop.h: New File. Include other tree-ssa-loop-*.h files.
(struct affine_iv, struct tree_niter_desc): Relocate from tree-flow.h.
(loop_containing_stmt): Relocate from tree-flow-inline.h.
* tree-ssa-loop-ch.c: (do_while_loop_p): Make static.
* tree-ssa-loop-im.c (for_each_index): Move to tree-ssa-loop.c.
(enum move_pos): Relocate here.
(lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): Move to
tree-ssa-loop.c.
(execute_sm_if_changed_flag_set): Change get_lsm_tmp_name call.
(tree_ssa_loop_im, gate_tree_ssa_loop_im, pass_data_lim, make_pass_lim):
Relocate here from tree-ssa-loop.c.
* tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Move to
tree-ssa-loop.c.
(loop_edge_to_cancel, unloop_loops): Make static.
(tree_ssa_loop_ivcanon, gate_tree_ssa_loop_ivcanon, pass_data_iv_canon,
make_pass_iv_canon): Relocate from tree-ssa-loop.c.
(tree_complete_unroll, gate_tree_complete_unroll,
pass_data_complete_unroll, make_pass_complete_unroll): Relocate here.
(tree_complete_unroll_inner, gate_tree_complete_unroll_inner,
pass_data_complete_unrolli, make_pass_complete_unrolli): Relocate here.
* tree-ssa-loop-ivopts.c: Remove local prototypes.
(stmt_invariant_in_loop_p): Remove unused function.
* tree-ssa-loop-ivopts.h: New file. Add prototypes.
* tree-ssa-loop-manip.h: New file. Add prototypes.
* tree-ssa-loop-niter.c (record_niter_bound): Move to cfgloop.c.
(gcov_type_to_double_int): Move to cfgloop.h.
(double_int_cmp, bound_index,
estimate_numbers_of_iterations_loop): Make static.
(estimated_loop_iterations): Factor out get_estimated_loop_iterations.
(max_loop_iterations): Factor out get_max_loop_iterations.
(estimated_loop_iterations_int, max_stmt_executions_int): Move to
cfgloop.c.
* tree-ssa-loop-niter.h: New file. Add prototypes.
* tree-ssa-loop-prefetch.c (tree_ssa_loop_prefetch,
gate_tree_ssa_loop_prefetch, pass_data_loop_prefetch,
make_pass_loop_prefetch): Relocate from tree-ssa-loop.c.
* tree-ssa-loop-unswitch.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_data_tree_unswitch,
make_pass_tree_unswitch): Relocate from tree-ssa-loop.c.
* tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im,
pass_data_lim, make_pass_lim): Move to tree-ssa-loop-im.c.
(tree_ssa_loop_unswitch, gate_tree_ssa_loop_unswitch,
pass_data_tree_unswitch, make_pass_tree_unswitch): Move.
(tree_ssa_loop_ivcanon, gate_tree_ssa_loop_ivcanon, pass_data_iv_canon,
make_pass_iv_canon, tree_complete_unroll, gate_tree_complete_unroll,
pass_data_complete_unroll, make_pass_complete_unroll,
tree_complete_unroll_inner, gate_tree_complete_unroll_inner,
pass_data_complete_unrolli, make_pass_complete_unrolli): Move to
tree-ssa-loop-ivcanon.c.
(tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
pass_data_loop_prefetch, make_pass_loop_prefetch): Move to
tree-ssa-loop-prefetch.c.
(for_each_index, lsm_tmp_name_add, gen_lsm_tmp_name): Relocate from
tree-ssa-loop-im.c.
(get_lsm_tmp_name): Relocate and add suffix parameter.
(tree_num_loop_insns): Relocate from tree-ssa-ivcanon.c.
* tree-scalar-evolution.h (simple_iv): Don't use affive_iv typedef.
* cfgloop.c (record_niter_bound, estimated_loop_iterations_int,
max_stmt_executions_int): Move from tree-ssa-loop-niter.c.
(get_estimated_loop_iterations): Factor out accessor from
estimated_loop_iterations in tree-ssa-loop-niter.c.
(get_max_loop_iterations): Factor out accessor from _max_loop_iterations
in tree-ssa-niter.c.
* loop-unroll.c (decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
decide_unroll_stupid): Use new get_* accessors.
From-SVN: r203317
2013-10-09 15:09:23 +02:00
|
|
|
|
|
|
|
}; // class pass_tree_unswitch
|
|
|
|
|
pass cfun to pass::execute
gcc/
* passes.c (opt_pass::execute): Adjust.
(pass_manager::execute_pass_mode_switching): Likewise.
(early_local_passes::execute): Likewise.
(execute_one_pass): Pass cfun to the pass's execute method.
* tree-pass.h (opt_pass::execute): Add function * argument.
* asan.c, auto-inc-dec.c, bb-reorder.c, bt-load.c, cfgcleanup.c,
cfgexpand.c, cfgrtl.c, cgraphbuild.c, combine-stack-adj.c, combine.c,
compare-elim.c, config/arc/arc.c, config/epiphany/mode-switch-use.c,
config/epiphany/resolve-sw-modes.c, config/i386/i386.c,
config/mips/mips.c, config/rl78/rl78.c, config/s390/s390.c,
config/sparc/sparc.c, cprop.c, dce.c, df-core.c, dse.c, dwarf2cfi.c,
except.c, final.c, function.c, fwprop.c, gcse.c, gimple-low.c,
gimple-ssa-isolate-paths.c, gimple-ssa-strength-reduction.c,
graphite.c, ifcvt.c, init-regs.c, ipa-cp.c, ipa-devirt.c,
ipa-inline-analysis.c, ipa-inline.c, ipa-profile.c, ipa-pure-const.c,
ipa-reference.c, ipa-split.c, ipa.c, ira.c, jump.c, loop-init.c,
lower-subreg.c, mode-switching.c, omp-low.c, postreload-gcse.c,
postreload.c, predict.c, recog.c, ree.c, reg-stack.c, regcprop.c,
reginfo.c, regrename.c, reorg.c, sched-rgn.c, stack-ptr-mod.c,
store-motion.c, tracer.c, trans-mem.c, tree-call-cdce.c, tree-cfg.c,
tree-cfgcleanup.c, tree-complex.c, tree-eh.c, tree-emutls.c,
tree-if-conv.c, tree-into-ssa.c, tree-loop-distribution.c, tree-nrv.c,
tree-object-size.c, tree-parloops.c, tree-predcom.c, tree-ssa-ccp.c,
tree-ssa-copy.c, tree-ssa-copyrename.c, tree-ssa-dce.c,
tree-ssa-dom.c, tree-ssa-dse.c, tree-ssa-forwprop.c,
tree-ssa-ifcombine.c, tree-ssa-loop-ch.c, tree-ssa-loop-im.c,
tree-ssa-loop-ivcanon.c, tree-ssa-loop-prefetch.c,
tree-ssa-loop-unswitch.c, tree-ssa-loop.c, tree-ssa-math-opts.c,
tree-ssa-phiopt.c, tree-ssa-phiprop.c, tree-ssa-pre.c,
tree-ssa-reassoc.c, tree-ssa-sink.c, tree-ssa-strlen.c,
tree-ssa-structalias.c, tree-ssa-uncprop.c, tree-ssa-uninit.c,
tree-ssa.c, tree-ssanames.c, tree-stdarg.c, tree-switch-conversion.c,
tree-tailcall.c, tree-vect-generic.c, tree-vectorizer.c, tree-vrp.c,
tree.c, tsan.c, ubsan.c, var-tracking.c, vtable-verify.c, web.c:
Adjust.
From-SVN: r209482
2014-04-17 14:37:34 +02:00
|
|
|
unsigned int
|
|
|
|
pass_tree_unswitch::execute (function *fun)
|
|
|
|
{
|
|
|
|
if (number_of_loops (fun) <= 1)
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
return tree_ssa_unswitch_loops ();
|
|
|
|
}
|
|
|
|
|
tree-flow.h: Move some protoypes.
* tree-flow.h: Move some protoypes. Include new tree-ssa-loop.h.
(struct affine_iv, struct tree_niter_desc): Move to tree-ssa-loop.h.
(enum move_pos): Move to tree-ssa-loop-im.h
* cfgloop.h: Move some prototypes.
(gcov_type_to_double_int): relocate from tree-ssa-loop.niter.c.
* tree-flow-inline.h (loop_containing_stmt): Move to tree-ssa-loop.h.
* tree-ssa-loop.h: New File. Include other tree-ssa-loop-*.h files.
(struct affine_iv, struct tree_niter_desc): Relocate from tree-flow.h.
(loop_containing_stmt): Relocate from tree-flow-inline.h.
* tree-ssa-loop-ch.c: (do_while_loop_p): Make static.
* tree-ssa-loop-im.c (for_each_index): Move to tree-ssa-loop.c.
(enum move_pos): Relocate here.
(lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): Move to
tree-ssa-loop.c.
(execute_sm_if_changed_flag_set): Change get_lsm_tmp_name call.
(tree_ssa_loop_im, gate_tree_ssa_loop_im, pass_data_lim, make_pass_lim):
Relocate here from tree-ssa-loop.c.
* tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Move to
tree-ssa-loop.c.
(loop_edge_to_cancel, unloop_loops): Make static.
(tree_ssa_loop_ivcanon, gate_tree_ssa_loop_ivcanon, pass_data_iv_canon,
make_pass_iv_canon): Relocate from tree-ssa-loop.c.
(tree_complete_unroll, gate_tree_complete_unroll,
pass_data_complete_unroll, make_pass_complete_unroll): Relocate here.
(tree_complete_unroll_inner, gate_tree_complete_unroll_inner,
pass_data_complete_unrolli, make_pass_complete_unrolli): Relocate here.
* tree-ssa-loop-ivopts.c: Remove local prototypes.
(stmt_invariant_in_loop_p): Remove unused function.
* tree-ssa-loop-ivopts.h: New file. Add prototypes.
* tree-ssa-loop-manip.h: New file. Add prototypes.
* tree-ssa-loop-niter.c (record_niter_bound): Move to cfgloop.c.
(gcov_type_to_double_int): Move to cfgloop.h.
(double_int_cmp, bound_index,
estimate_numbers_of_iterations_loop): Make static.
(estimated_loop_iterations): Factor out get_estimated_loop_iterations.
(max_loop_iterations): Factor out get_max_loop_iterations.
(estimated_loop_iterations_int, max_stmt_executions_int): Move to
cfgloop.c.
* tree-ssa-loop-niter.h: New file. Add prototypes.
* tree-ssa-loop-prefetch.c (tree_ssa_loop_prefetch,
gate_tree_ssa_loop_prefetch, pass_data_loop_prefetch,
make_pass_loop_prefetch): Relocate from tree-ssa-loop.c.
* tree-ssa-loop-unswitch.c (tree_ssa_loop_unswitch,
gate_tree_ssa_loop_unswitch, pass_data_tree_unswitch,
make_pass_tree_unswitch): Relocate from tree-ssa-loop.c.
* tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im,
pass_data_lim, make_pass_lim): Move to tree-ssa-loop-im.c.
(tree_ssa_loop_unswitch, gate_tree_ssa_loop_unswitch,
pass_data_tree_unswitch, make_pass_tree_unswitch): Move.
(tree_ssa_loop_ivcanon, gate_tree_ssa_loop_ivcanon, pass_data_iv_canon,
make_pass_iv_canon, tree_complete_unroll, gate_tree_complete_unroll,
pass_data_complete_unroll, make_pass_complete_unroll,
tree_complete_unroll_inner, gate_tree_complete_unroll_inner,
pass_data_complete_unrolli, make_pass_complete_unrolli): Move to
tree-ssa-loop-ivcanon.c.
(tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
pass_data_loop_prefetch, make_pass_loop_prefetch): Move to
tree-ssa-loop-prefetch.c.
(for_each_index, lsm_tmp_name_add, gen_lsm_tmp_name): Relocate from
tree-ssa-loop-im.c.
(get_lsm_tmp_name): Relocate and add suffix parameter.
(tree_num_loop_insns): Relocate from tree-ssa-ivcanon.c.
* tree-scalar-evolution.h (simple_iv): Don't use affive_iv typedef.
* cfgloop.c (record_niter_bound, estimated_loop_iterations_int,
max_stmt_executions_int): Move from tree-ssa-loop-niter.c.
(get_estimated_loop_iterations): Factor out accessor from
estimated_loop_iterations in tree-ssa-loop-niter.c.
(get_max_loop_iterations): Factor out accessor from _max_loop_iterations
in tree-ssa-niter.c.
* loop-unroll.c (decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
decide_unroll_stupid): Use new get_* accessors.
From-SVN: r203317
2013-10-09 15:09:23 +02:00
|
|
|
} // anon namespace
|
|
|
|
|
|
|
|
gimple_opt_pass *
|
|
|
|
make_pass_tree_unswitch (gcc::context *ctxt)
|
|
|
|
{
|
|
|
|
return new pass_tree_unswitch (ctxt);
|
|
|
|
}
|
|
|
|
|
|
|
|
|