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authorDan Albert <danalbert@google.com>2015-06-17 11:09:54 -0700
committerDan Albert <danalbert@google.com>2015-06-17 14:15:22 -0700
commitf378ebf14df0952eae870c9865bab8326aa8f137 (patch)
tree31794503eb2a8c64ea5f313b93100f1163afcffb /gcc-4.4.3/gcc/tree-ssa-loop.c
parent2c58169824949d3a597d9fa81931e001ef9b1bd0 (diff)
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Delete old versions of GCC.
Change-Id: I710f125d905290e1024cbd67f48299861790c66c
Diffstat (limited to 'gcc-4.4.3/gcc/tree-ssa-loop.c')
-rw-r--r--gcc-4.4.3/gcc/tree-ssa-loop.c727
1 files changed, 0 insertions, 727 deletions
diff --git a/gcc-4.4.3/gcc/tree-ssa-loop.c b/gcc-4.4.3/gcc/tree-ssa-loop.c
deleted file mode 100644
index ca842acd0..000000000
--- a/gcc-4.4.3/gcc/tree-ssa-loop.c
+++ /dev/null
@@ -1,727 +0,0 @@
-/* Loop optimizations over tree-ssa.
- Copyright (C) 2003, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
-
-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/>. */
-
-#include "config.h"
-#include "system.h"
-#include "coretypes.h"
-#include "tm.h"
-#include "tree.h"
-#include "rtl.h"
-#include "tm_p.h"
-#include "hard-reg-set.h"
-#include "basic-block.h"
-#include "output.h"
-#include "diagnostic.h"
-#include "tree-flow.h"
-#include "tree-dump.h"
-#include "tree-pass.h"
-#include "timevar.h"
-#include "cfgloop.h"
-#include "flags.h"
-#include "tree-inline.h"
-#include "tree-scalar-evolution.h"
-
-/* The loop superpass. */
-
-static bool
-gate_tree_loop (void)
-{
- return flag_tree_loop_optimize != 0;
-}
-
-struct gimple_opt_pass pass_tree_loop =
-{
- {
- GIMPLE_PASS,
- "loop", /* name */
- gate_tree_loop, /* gate */
- NULL, /* execute */
- NULL, /* sub */
- NULL, /* next */
- 0, /* static_pass_number */
- TV_TREE_LOOP, /* tv_id */
- PROP_cfg, /* properties_required */
- 0, /* properties_provided */
- 0, /* properties_destroyed */
- TODO_ggc_collect, /* todo_flags_start */
- TODO_dump_func | TODO_verify_ssa | TODO_ggc_collect /* todo_flags_finish */
- }
-};
-
-/* Loop optimizer initialization. */
-
-static unsigned int
-tree_ssa_loop_init (void)
-{
- loop_optimizer_init (LOOPS_NORMAL
- | LOOPS_HAVE_RECORDED_EXITS);
- rewrite_into_loop_closed_ssa (NULL, TODO_update_ssa);
-
- if (number_of_loops () <= 1)
- return 0;
-
- scev_initialize ();
- return 0;
-}
-
-struct gimple_opt_pass pass_tree_loop_init =
-{
- {
- GIMPLE_PASS,
- "loopinit", /* name */
- NULL, /* gate */
- tree_ssa_loop_init, /* execute */
- NULL, /* sub */
- NULL, /* next */
- 0, /* static_pass_number */
- TV_TREE_LOOP_INIT, /* tv_id */
- PROP_cfg, /* properties_required */
- 0, /* properties_provided */
- 0, /* properties_destroyed */
- 0, /* todo_flags_start */
- TODO_dump_func | TODO_verify_loops /* todo_flags_finish */
- }
-};
-
-/* Loop invariant motion pass. */
-
-static unsigned int
-tree_ssa_loop_im (void)
-{
- if (number_of_loops () <= 1)
- return 0;
-
- tree_ssa_lim ();
- return 0;
-}
-
-static bool
-gate_tree_ssa_loop_im (void)
-{
- return flag_tree_loop_im != 0;
-}
-
-struct gimple_opt_pass pass_lim =
-{
- {
- GIMPLE_PASS,
- "lim", /* name */
- gate_tree_ssa_loop_im, /* gate */
- tree_ssa_loop_im, /* execute */
- NULL, /* sub */
- NULL, /* next */
- 0, /* static_pass_number */
- TV_LIM, /* tv_id */
- PROP_cfg, /* properties_required */
- 0, /* properties_provided */
- 0, /* properties_destroyed */
- 0, /* todo_flags_start */
- TODO_dump_func | TODO_verify_loops /* todo_flags_finish */
- }
-};
-
-/* Loop unswitching pass. */
-
-static unsigned int
-tree_ssa_loop_unswitch (void)
-{
- if (number_of_loops () <= 1)
- return 0;
-
- return tree_ssa_unswitch_loops ();
-}
-
-static bool
-gate_tree_ssa_loop_unswitch (void)
-{
- return flag_unswitch_loops != 0;
-}
-
-struct gimple_opt_pass pass_tree_unswitch =
-{
- {
- GIMPLE_PASS,
- "unswitch", /* name */
- gate_tree_ssa_loop_unswitch, /* gate */
- tree_ssa_loop_unswitch, /* execute */
- NULL, /* sub */
- NULL, /* next */
- 0, /* static_pass_number */
- TV_TREE_LOOP_UNSWITCH, /* tv_id */
- PROP_cfg, /* properties_required */
- 0, /* properties_provided */
- 0, /* properties_destroyed */
- 0, /* todo_flags_start */
- TODO_ggc_collect | TODO_dump_func
- | TODO_verify_loops /* todo_flags_finish */
- }
-};
-
-/* Predictive commoning. */
-
-static unsigned
-run_tree_predictive_commoning (void)
-{
- if (!current_loops)
- return 0;
-
- tree_predictive_commoning ();
- return 0;
-}
-
-static bool
-gate_tree_predictive_commoning (void)
-{
- return flag_predictive_commoning != 0;
-}
-
-struct gimple_opt_pass pass_predcom =
-{
- {
- GIMPLE_PASS,
- "pcom", /* name */
- gate_tree_predictive_commoning, /* gate */
- run_tree_predictive_commoning, /* execute */
- NULL, /* sub */
- NULL, /* next */
- 0, /* static_pass_number */
- TV_PREDCOM, /* tv_id */
- PROP_cfg, /* properties_required */
- 0, /* properties_provided */
- 0, /* properties_destroyed */
- 0, /* todo_flags_start */
- TODO_dump_func | TODO_verify_loops
- | TODO_update_ssa_only_virtuals /* todo_flags_finish */
- }
-};
-
-/* Loop autovectorization. */
-
-static unsigned int
-tree_vectorize (void)
-{
- if (number_of_loops () <= 1)
- return 0;
-
- return vectorize_loops ();
-}
-
-static bool
-gate_tree_vectorize (void)
-{
- return flag_tree_vectorize;
-}
-
-struct gimple_opt_pass pass_vectorize =
-{
- {
- GIMPLE_PASS,
- "vect", /* name */
- gate_tree_vectorize, /* gate */
- tree_vectorize, /* execute */
- NULL, /* sub */
- NULL, /* next */
- 0, /* static_pass_number */
- TV_TREE_VECTORIZATION, /* tv_id */
- PROP_cfg | PROP_ssa, /* properties_required */
- 0, /* properties_provided */
- 0, /* properties_destroyed */
- TODO_verify_loops, /* todo_flags_start */
- TODO_dump_func | TODO_update_ssa
- | TODO_ggc_collect /* todo_flags_finish */
- }
-};
-
-/* Loop nest optimizations. */
-
-static unsigned int
-tree_linear_transform (void)
-{
- if (number_of_loops () <= 1)
- return 0;
-
- linear_transform_loops ();
- return 0;
-}
-
-static bool
-gate_tree_linear_transform (void)
-{
- return flag_tree_loop_linear != 0;
-}
-
-struct gimple_opt_pass pass_linear_transform =
-{
- {
- GIMPLE_PASS,
- "ltrans", /* name */
- gate_tree_linear_transform, /* gate */
- tree_linear_transform, /* execute */
- NULL, /* sub */
- NULL, /* next */
- 0, /* static_pass_number */
- TV_TREE_LINEAR_TRANSFORM, /* tv_id */
- PROP_cfg | PROP_ssa, /* properties_required */
- 0, /* properties_provided */
- 0, /* properties_destroyed */
- 0, /* todo_flags_start */
- TODO_dump_func | TODO_verify_loops
- | TODO_update_ssa_only_virtuals
- | TODO_ggc_collect /* todo_flags_finish */
- }
-};
-
-/* GRAPHITE optimizations. */
-
-static unsigned int
-graphite_transforms (void)
-{
- if (!current_loops)
- return 0;
-
- graphite_transform_loops ();
-
- return 0;
-}
-
-static bool
-gate_graphite_transforms (void)
-{
- /* Enable -fgraphite pass if any one of the graphite optimization flags
- is turned on. */
- if (flag_loop_block || flag_loop_interchange || flag_loop_strip_mine
- || flag_graphite_identity)
- flag_graphite = 1;
-
- return flag_graphite != 0;
-}
-
-struct gimple_opt_pass pass_graphite_transforms =
-{
- {
- GIMPLE_PASS,
- "graphite", /* name */
- gate_graphite_transforms, /* gate */
- graphite_transforms, /* execute */
- NULL, /* sub */
- NULL, /* next */
- 0, /* static_pass_number */
- TV_GRAPHITE_TRANSFORMS, /* tv_id */
- PROP_cfg | PROP_ssa, /* properties_required */
- 0, /* properties_provided */
- 0, /* properties_destroyed */
- 0, /* todo_flags_start */
- TODO_verify_loops /* todo_flags_finish */
- }
-};
-
-/* Check the correctness of the data dependence analyzers. */
-
-static unsigned int
-check_data_deps (void)
-{
- if (number_of_loops () <= 1)
- return 0;
-
- tree_check_data_deps ();
- return 0;
-}
-
-static bool
-gate_check_data_deps (void)
-{
- return flag_check_data_deps != 0;
-}
-
-struct gimple_opt_pass pass_check_data_deps =
-{
- {
- GIMPLE_PASS,
- "ckdd", /* name */
- gate_check_data_deps, /* gate */
- check_data_deps, /* execute */
- NULL, /* sub */
- NULL, /* next */
- 0, /* static_pass_number */
- TV_CHECK_DATA_DEPS, /* tv_id */
- PROP_cfg | PROP_ssa, /* properties_required */
- 0, /* properties_provided */
- 0, /* properties_destroyed */
- 0, /* todo_flags_start */
- TODO_dump_func /* todo_flags_finish */
- }
-};
-
-/* Canonical induction variable creation pass. */
-
-static unsigned int
-tree_ssa_loop_ivcanon (void)
-{
- if (number_of_loops () <= 1)
- return 0;
-
- return canonicalize_induction_variables ();
-}
-
-static bool
-gate_tree_ssa_loop_ivcanon (void)
-{
- return flag_tree_loop_ivcanon != 0;
-}
-
-struct gimple_opt_pass pass_iv_canon =
-{
- {
- GIMPLE_PASS,
- "ivcanon", /* name */
- gate_tree_ssa_loop_ivcanon, /* gate */
- tree_ssa_loop_ivcanon, /* execute */
- NULL, /* sub */
- NULL, /* next */
- 0, /* static_pass_number */
- TV_TREE_LOOP_IVCANON, /* tv_id */
- PROP_cfg | PROP_ssa, /* properties_required */
- 0, /* properties_provided */
- 0, /* properties_destroyed */
- 0, /* todo_flags_start */
- TODO_dump_func | TODO_verify_loops /* todo_flags_finish */
- }
-};
-
-/* Propagation of constants using scev. */
-
-static bool
-gate_scev_const_prop (void)
-{
- return flag_tree_scev_cprop;
-}
-
-struct gimple_opt_pass pass_scev_cprop =
-{
- {
- GIMPLE_PASS,
- "sccp", /* name */
- gate_scev_const_prop, /* gate */
- scev_const_prop, /* execute */
- NULL, /* sub */
- NULL, /* next */
- 0, /* static_pass_number */
- TV_SCEV_CONST, /* tv_id */
- PROP_cfg | PROP_ssa, /* properties_required */
- 0, /* properties_provided */
- 0, /* properties_destroyed */
- 0, /* todo_flags_start */
- TODO_dump_func | TODO_cleanup_cfg
- | TODO_update_ssa_only_virtuals
- /* todo_flags_finish */
- }
-};
-
-/* Remove empty loops. */
-
-static unsigned int
-tree_ssa_empty_loop (void)
-{
- if (number_of_loops () <= 1)
- return 0;
-
- return remove_empty_loops ();
-}
-
-struct gimple_opt_pass pass_empty_loop =
-{
- {
- GIMPLE_PASS,
- "empty", /* name */
- NULL, /* gate */
- tree_ssa_empty_loop, /* execute */
- NULL, /* sub */
- NULL, /* next */
- 0, /* static_pass_number */
- TV_COMPLETE_UNROLL, /* tv_id */
- PROP_cfg | PROP_ssa, /* properties_required */
- 0, /* properties_provided */
- 0, /* properties_destroyed */
- 0, /* todo_flags_start */
- TODO_dump_func | TODO_verify_loops
- | TODO_ggc_collect /* todo_flags_finish */
- }
-};
-
-/* Record bounds on numbers of iterations of loops. */
-
-static unsigned int
-tree_ssa_loop_bounds (void)
-{
- if (number_of_loops () <= 1)
- return 0;
-
- estimate_numbers_of_iterations ();
- scev_reset ();
- return 0;
-}
-
-struct gimple_opt_pass pass_record_bounds =
-{
- {
- GIMPLE_PASS,
- NULL, /* name */
- NULL, /* gate */
- tree_ssa_loop_bounds, /* execute */
- NULL, /* sub */
- NULL, /* next */
- 0, /* static_pass_number */
- TV_TREE_LOOP_BOUNDS, /* tv_id */
- PROP_cfg | PROP_ssa, /* properties_required */
- 0, /* properties_provided */
- 0, /* properties_destroyed */
- 0, /* todo_flags_start */
- 0 /* todo_flags_finish */
- }
-};
-
-/* Complete unrolling of loops. */
-
-static unsigned int
-tree_complete_unroll (void)
-{
- if (number_of_loops () <= 1)
- return 0;
-
- return tree_unroll_loops_completely (flag_unroll_loops
- || flag_peel_loops
- || optimize >= 3, true);
-}
-
-static bool
-gate_tree_complete_unroll (void)
-{
- return true;
-}
-
-struct gimple_opt_pass pass_complete_unroll =
-{
- {
- GIMPLE_PASS,
- "cunroll", /* name */
- gate_tree_complete_unroll, /* gate */
- tree_complete_unroll, /* execute */
- NULL, /* sub */
- NULL, /* next */
- 0, /* static_pass_number */
- TV_COMPLETE_UNROLL, /* tv_id */
- PROP_cfg | PROP_ssa, /* properties_required */
- 0, /* properties_provided */
- 0, /* properties_destroyed */
- 0, /* todo_flags_start */
- TODO_dump_func | TODO_verify_loops
- | TODO_ggc_collect /* todo_flags_finish */
- }
-};
-
-/* Complete unrolling of inner loops. */
-
-static unsigned int
-tree_complete_unroll_inner (void)
-{
- unsigned ret = 0;
-
- loop_optimizer_init (LOOPS_NORMAL
- | LOOPS_HAVE_RECORDED_EXITS);
- if (number_of_loops () > 1)
- {
- scev_initialize ();
- ret = tree_unroll_loops_completely (flag_unroll_loops
- || flag_peel_loops
- || optimize >= 3, false);
- free_numbers_of_iterations_estimates ();
- scev_finalize ();
- }
- loop_optimizer_finalize ();
-
- return ret;
-}
-
-static bool
-gate_tree_complete_unroll_inner (void)
-{
- return optimize >= 2;
-}
-
-struct gimple_opt_pass pass_complete_unrolli =
-{
- {
- GIMPLE_PASS,
- "cunrolli", /* name */
- gate_tree_complete_unroll_inner, /* gate */
- tree_complete_unroll_inner, /* execute */
- NULL, /* sub */
- NULL, /* next */
- 0, /* static_pass_number */
- TV_COMPLETE_UNROLL, /* tv_id */
- PROP_cfg | PROP_ssa, /* properties_required */
- 0, /* properties_provided */
- 0, /* properties_destroyed */
- 0, /* todo_flags_start */
- TODO_dump_func | TODO_verify_loops
- | TODO_ggc_collect /* todo_flags_finish */
- }
-};
-
-/* Parallelization. */
-
-static bool
-gate_tree_parallelize_loops (void)
-{
- return flag_tree_parallelize_loops > 1;
-}
-
-static unsigned
-tree_parallelize_loops (void)
-{
- if (number_of_loops () <= 1)
- return 0;
-
- if (parallelize_loops ())
- return TODO_cleanup_cfg | TODO_rebuild_alias;
- return 0;
-}
-
-struct gimple_opt_pass pass_parallelize_loops =
-{
- {
- GIMPLE_PASS,
- "parloops", /* name */
- gate_tree_parallelize_loops, /* gate */
- tree_parallelize_loops, /* execute */
- NULL, /* sub */
- NULL, /* next */
- 0, /* static_pass_number */
- TV_TREE_PARALLELIZE_LOOPS, /* tv_id */
- PROP_cfg | PROP_ssa, /* properties_required */
- 0, /* properties_provided */
- 0, /* properties_destroyed */
- 0, /* todo_flags_start */
- TODO_dump_func | TODO_verify_loops /* todo_flags_finish */
- }
-};
-
-/* Prefetching. */
-
-static unsigned int
-tree_ssa_loop_prefetch (void)
-{
- if (number_of_loops () <= 1)
- return 0;
-
- return tree_ssa_prefetch_arrays ();
-}
-
-static bool
-gate_tree_ssa_loop_prefetch (void)
-{
- return flag_prefetch_loop_arrays != 0;
-}
-
-struct gimple_opt_pass pass_loop_prefetch =
-{
- {
- GIMPLE_PASS,
- "aprefetch", /* name */
- gate_tree_ssa_loop_prefetch, /* gate */
- tree_ssa_loop_prefetch, /* execute */
- NULL, /* sub */
- NULL, /* next */
- 0, /* static_pass_number */
- TV_TREE_PREFETCH, /* tv_id */
- PROP_cfg | PROP_ssa, /* properties_required */
- 0, /* properties_provided */
- 0, /* properties_destroyed */
- 0, /* todo_flags_start */
- TODO_dump_func | TODO_verify_loops /* todo_flags_finish */
- }
-};
-
-/* Induction variable optimizations. */
-
-static unsigned int
-tree_ssa_loop_ivopts (void)
-{
- if (number_of_loops () <= 1)
- return 0;
-
- tree_ssa_iv_optimize ();
- return 0;
-}
-
-static bool
-gate_tree_ssa_loop_ivopts (void)
-{
- return flag_ivopts != 0;
-}
-
-struct gimple_opt_pass pass_iv_optimize =
-{
- {
- GIMPLE_PASS,
- "ivopts", /* name */
- gate_tree_ssa_loop_ivopts, /* gate */
- tree_ssa_loop_ivopts, /* execute */
- NULL, /* sub */
- NULL, /* next */
- 0, /* static_pass_number */
- TV_TREE_LOOP_IVOPTS, /* tv_id */
- PROP_cfg | PROP_ssa, /* properties_required */
- 0, /* properties_provided */
- 0, /* properties_destroyed */
- 0, /* todo_flags_start */
- TODO_dump_func | TODO_verify_loops
- | TODO_update_ssa | TODO_ggc_collect /* todo_flags_finish */
- }
-};
-
-/* Loop optimizer finalization. */
-
-static unsigned int
-tree_ssa_loop_done (void)
-{
- free_numbers_of_iterations_estimates ();
- scev_finalize ();
- loop_optimizer_finalize ();
- return 0;
-}
-
-struct gimple_opt_pass pass_tree_loop_done =
-{
- {
- GIMPLE_PASS,
- "loopdone", /* name */
- NULL, /* gate */
- tree_ssa_loop_done, /* execute */
- NULL, /* sub */
- NULL, /* next */
- 0, /* static_pass_number */
- TV_TREE_LOOP_FINI, /* tv_id */
- PROP_cfg, /* properties_required */
- 0, /* properties_provided */
- 0, /* properties_destroyed */
- 0, /* todo_flags_start */
- TODO_cleanup_cfg | TODO_dump_func /* todo_flags_finish */
- }
-};