88d0c3f0a1
gcc/ChangeLog: PR middle-end/49905 * Makefile.in (OBJS): Add gimple-ssa-sprintf.o. * config/linux.h (TARGET_PRINTF_POINTER_FORMAT): Redefine. * config/linux.c (gnu_libc_printf_pointer_format): New function. * config/sol2.h (TARGET_PRINTF_POINTER_FORMAT): Same. * config/sol2.c (solaris_printf_pointer_format): New function. * doc/invoke.texi (-Wformat-length, -fprintf-return-value): New options. * doc/tm.texi.in (TARGET_PRINTF_POINTER_FORMAT): Document. * doc/tm.texi: Regenerate. * gimple-fold.h (get_range_strlen): New function. (get_maxval_strlen): Declare existing function. * gimple-fold.c (get_range_strlen): Add arguments and compute both maximum and minimum. (get_range_strlen): Define overload. (get_maxval_strlen): Adjust. * gimple-ssa-sprintf.c: New file and pass. * passes.def (pass_sprintf_length): Add new pass. * targhooks.h (default_printf_pointer_format): Declare new function. (gnu_libc_printf_pointer_format): Same. (solaris_libc_printf_pointer_format): Same. * targhooks.c (default_printf_pointer_format): Define new function. * tree-pass.h (make_pass_sprintf_length): Declare new function. * print-tree.c: Increase buffer size. gcc/c-family/ChangeLog: PR middle-end/49905 * c.opt: Add -Wformat-length and -fprintf-return-value. gcc/testsuite/ChangeLog: PR middle-end/49905 * gcc.dg/builtin-stringop-chk-1.c: Adjust. * gcc.dg/tree-ssa/builtin-sprintf-warn-1.c: New test. * gcc.dg/tree-ssa/builtin-sprintf-warn-2.c: New test. * gcc.dg/tree-ssa/builtin-sprintf-warn-3.c: New test. * gcc.dg/tree-ssa/builtin-sprintf-warn-4.c: New test. * gcc.dg/tree-ssa/builtin-sprintf.c: New test. * gcc.dg/tree-ssa/builtin-sprintf-2.c: New test. From-SVN: r240298
144 lines
5.6 KiB
C
144 lines
5.6 KiB
C
/* Gimple folding definitions.
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Copyright (C) 2011-2016 Free Software Foundation, Inc.
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Contributed by Richard Guenther <rguenther@suse.de>
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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#ifndef GCC_GIMPLE_FOLD_H
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#define GCC_GIMPLE_FOLD_H
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extern tree canonicalize_constructor_val (tree, tree);
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extern tree get_symbol_constant_value (tree);
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extern void get_range_strlen (tree, tree[2]);
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extern tree get_maxval_strlen (tree, int);
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extern void gimplify_and_update_call_from_tree (gimple_stmt_iterator *, tree);
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extern bool fold_stmt (gimple_stmt_iterator *);
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extern bool fold_stmt (gimple_stmt_iterator *, tree (*) (tree));
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extern bool fold_stmt_inplace (gimple_stmt_iterator *);
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extern tree maybe_fold_and_comparisons (enum tree_code, tree, tree,
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enum tree_code, tree, tree);
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extern tree maybe_fold_or_comparisons (enum tree_code, tree, tree,
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enum tree_code, tree, tree);
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extern bool optimize_atomic_compare_exchange_p (gimple *);
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extern void fold_builtin_atomic_compare_exchange (gimple_stmt_iterator *);
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extern bool arith_overflowed_p (enum tree_code, const_tree, const_tree,
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const_tree);
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extern tree no_follow_ssa_edges (tree);
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extern tree follow_single_use_edges (tree);
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extern tree gimple_fold_stmt_to_constant_1 (gimple *, tree (*) (tree),
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tree (*) (tree) = no_follow_ssa_edges);
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extern tree gimple_fold_stmt_to_constant (gimple *, tree (*) (tree));
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extern tree fold_ctor_reference (tree, tree, unsigned HOST_WIDE_INT,
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unsigned HOST_WIDE_INT, tree);
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extern tree fold_const_aggregate_ref_1 (tree, tree (*) (tree));
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extern tree fold_const_aggregate_ref (tree);
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extern tree gimple_get_virt_method_for_binfo (HOST_WIDE_INT, tree,
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bool *can_refer = NULL);
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extern tree gimple_get_virt_method_for_vtable (HOST_WIDE_INT, tree,
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unsigned HOST_WIDE_INT,
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bool *can_refer = NULL);
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extern tree gimple_fold_indirect_ref (tree);
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extern bool arith_code_with_undefined_signed_overflow (tree_code);
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extern gimple_seq rewrite_to_defined_overflow (gimple *);
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/* gimple_build, functionally matching fold_buildN, outputs stmts
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int the provided sequence, matching and simplifying them on-the-fly.
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Supposed to replace force_gimple_operand (fold_buildN (...), ...). */
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extern tree gimple_build (gimple_seq *, location_t,
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enum tree_code, tree, tree);
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inline tree
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gimple_build (gimple_seq *seq,
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enum tree_code code, tree type, tree op0)
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{
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return gimple_build (seq, UNKNOWN_LOCATION, code, type, op0);
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}
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extern tree gimple_build (gimple_seq *, location_t,
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enum tree_code, tree, tree, tree);
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inline tree
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gimple_build (gimple_seq *seq,
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enum tree_code code, tree type, tree op0, tree op1)
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{
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return gimple_build (seq, UNKNOWN_LOCATION, code, type, op0, op1);
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}
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extern tree gimple_build (gimple_seq *, location_t,
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enum tree_code, tree, tree, tree, tree);
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inline tree
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gimple_build (gimple_seq *seq,
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enum tree_code code, tree type, tree op0, tree op1, tree op2)
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{
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return gimple_build (seq, UNKNOWN_LOCATION, code, type, op0, op1, op2);
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}
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extern tree gimple_build (gimple_seq *, location_t,
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enum built_in_function, tree, tree);
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inline tree
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gimple_build (gimple_seq *seq,
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enum built_in_function fn, tree type, tree arg0)
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{
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return gimple_build (seq, UNKNOWN_LOCATION, fn, type, arg0);
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}
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extern tree gimple_build (gimple_seq *, location_t,
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enum built_in_function, tree, tree, tree);
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inline tree
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gimple_build (gimple_seq *seq,
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enum built_in_function fn, tree type, tree arg0, tree arg1)
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{
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return gimple_build (seq, UNKNOWN_LOCATION, fn, type, arg0, arg1);
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}
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extern tree gimple_build (gimple_seq *, location_t,
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enum built_in_function, tree, tree, tree, tree);
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inline tree
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gimple_build (gimple_seq *seq,
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enum built_in_function fn, tree type,
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tree arg0, tree arg1, tree arg2)
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{
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return gimple_build (seq, UNKNOWN_LOCATION, fn, type, arg0, arg1, arg2);
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}
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extern tree gimple_convert (gimple_seq *, location_t, tree, tree);
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inline tree
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gimple_convert (gimple_seq *seq, tree type, tree op)
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{
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return gimple_convert (seq, UNKNOWN_LOCATION, type, op);
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}
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extern tree gimple_convert_to_ptrofftype (gimple_seq *, location_t, tree);
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inline tree
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gimple_convert_to_ptrofftype (gimple_seq *seq, tree op)
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{
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return gimple_convert_to_ptrofftype (seq, UNKNOWN_LOCATION, op);
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}
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extern bool gimple_stmt_nonnegative_warnv_p (gimple *, bool *, int = 0);
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extern bool gimple_stmt_integer_valued_real_p (gimple *, int = 0);
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/* In gimple-match.c. */
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extern tree gimple_simplify (enum tree_code, tree, tree,
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gimple_seq *, tree (*)(tree));
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extern tree gimple_simplify (enum tree_code, tree, tree, tree,
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gimple_seq *, tree (*)(tree));
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extern tree gimple_simplify (enum tree_code, tree, tree, tree, tree,
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gimple_seq *, tree (*)(tree));
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extern tree gimple_simplify (enum built_in_function, tree, tree,
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gimple_seq *, tree (*)(tree));
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extern tree gimple_simplify (enum built_in_function, tree, tree, tree,
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gimple_seq *, tree (*)(tree));
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extern tree gimple_simplify (enum built_in_function, tree, tree, tree, tree,
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gimple_seq *, tree (*)(tree));
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#endif /* GCC_GIMPLE_FOLD_H */
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