gcc/gcc/tree-ssa-ccp.h

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/* Copyright (C) 2016-2017 Free Software Foundation, Inc.
Patch for performing interprocedural bitwise constant propagation. 2016-08-26 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org> Martin Jambhor <mjambor@suse.cz> * common.opt: New option -fipa-bit-cp. * doc/invoke.texi: Document -fipa-bit-cp. * opts.c (default_options_table): Add entry for -fipa-bit-cp. (enable_fdo_optimizations): Check for flag_ipa_bit_cp. * tree-ssa-ccp.h: New header file. * tree-ssa-ccp.c: Include tree-ssa-ccp.h (bit_value_binop_1): Change to bit_value_binop_1 and export it. Replace all occurences of tree parameter by two new params: signop, int. (bit_value_unop_1): Change to bit_value_unop and export it. Replace all occurences of tree parameter by two new params: signop, int. (bit_value_binop): Change call from bit_value_binop_1 to bit_value_binop. (bit_value_assume_aligned): Likewise. (bit_value_unop): Change call from bit_value_unop_1 to bit_value_unop. (do_ssa_ccp): Pass nonzero_p || flag_ipa_cp_bit instead of nonzero_p to ccp_finalize. (ccp_finalize): Skip processing if val->mask == 0. * ipa-cp.c: Include tree-ssa-ccp.h (ipcp_bits_lattice): New class. (ipcp_param_lattice (bits_lattice): New member. (print_all_lattices): Call ipcp_bits_lattice::print. (set_all_contains_variable): Call ipcp_bits_lattice::set_to_bottom. (initialize_node_lattices): Likewise. (propagate_bits_accross_jump_function): New function. (propagate_constants_accross_call): Call propagate_bits_accross_jump_function. (ipcp_propagate_stage): Store parameter types when in_lto_p is true. (ipcp_store_bits_results): New function. (ipcp_driver): Call ipcp_store_bits_results. * ipa-prop.h (ipa_bits): New struct. (ipa_jump_func): Add new member bits of type ipa_bits. (ipa_param_descriptor): Change decl to decl_or_type. (ipa_get_param): Change decl to decl_or_type and assert on PARM_DECL. (ipa_get_type): New function. (ipcp_transformation_summary): New member bits. * ipa-prop.c (ipa_get_param_decl_index_1): s/decl/decl_or_type. (ipa_populate_param_decls): Likewise. (ipa_dump_param): Likewise. (ipa_print_node_jump_functions_for_edge): Pretty-print ipa_bits jump function. (ipa_set_jf_unknown): Set ipa_bits::known to false. (ipa_compute_jump_functions_for_edge): Compute jump function for bits propagation. (ipa_node_params_t::duplicate): Copy src->bits into dst->bits. (ipa_write_jump_function): Add streaming for ipa_bits. (ipa_read_jump_function): Add support for reading streamed ipa_bits. (write_ipcp_transformation_info): Add streaming for ipa_bits summary for ltrans. (read_ipcp_transfomration_info): Add support for reading streamed ipa_bits. (ipcp_update_bits): New function. (ipcp_transform_function): Call ipcp_update_bits. testsuite/ * gcc.dg/ipa/propbits-1.c: New test-case. * gcc.dg/ipa/propbits-2.c: Likewise. * gcc.dg/ipa/propbits-3.c: Likewise. Co-Authored-By: Martin Jambor <mjambor@suse.cz> From-SVN: r239769
2016-08-26 10:05:39 +02:00
This file is part of GCC.
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
Free Software Foundation; either version 3, or (at your option) any
later version.
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.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#ifndef TREE_SSA_CCP_H
#define TREE_SSA_CCP_H
void bit_value_binop (enum tree_code, signop, int, widest_int *, widest_int *,
signop, int, const widest_int &, const widest_int &,
signop, int, const widest_int &, const widest_int &);
void bit_value_unop (enum tree_code, signop, int, widest_int *, widest_int *,
signop, int, const widest_int &, const widest_int &);
#endif