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author | rsandifo <rsandifo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-04-22 12:56:47 +0000 |
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committer | rsandifo <rsandifo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-04-22 12:56:47 +0000 |
commit | 030087e31b1253fb9ed6835a82e93a61ccc02493 (patch) | |
tree | e2bc6c7177a42d1b832555b60d0a854bcb834bd0 /gcc/tree-ssa-forwprop.c | |
parent | b4f314ea97f04620d290f3ae25d831f46692864f (diff) | |
parent | ac875fa40bf5429aff0612943d8c5705c4e11bb5 (diff) | |
download | gcc-030087e31b1253fb9ed6835a82e93a61ccc02493.tar.gz |
Merge from trunk.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/wide-int@209623 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-forwprop.c')
-rw-r--r-- | gcc/tree-ssa-forwprop.c | 76 |
1 files changed, 34 insertions, 42 deletions
diff --git a/gcc/tree-ssa-forwprop.c b/gcc/tree-ssa-forwprop.c index f921dc0b151..9a990f93122 100644 --- a/gcc/tree-ssa-forwprop.c +++ b/gcc/tree-ssa-forwprop.c @@ -3569,15 +3569,45 @@ simplify_mult (gimple_stmt_iterator *gsi) /* Main entry point for the forward propagation and statement combine optimizer. */ -static unsigned int -ssa_forward_propagate_and_combine (void) +namespace { + +const pass_data pass_data_forwprop = +{ + GIMPLE_PASS, /* type */ + "forwprop", /* name */ + OPTGROUP_NONE, /* optinfo_flags */ + true, /* has_execute */ + TV_TREE_FORWPROP, /* tv_id */ + ( PROP_cfg | PROP_ssa ), /* properties_required */ + 0, /* properties_provided */ + 0, /* properties_destroyed */ + 0, /* todo_flags_start */ + ( TODO_update_ssa | TODO_verify_ssa ), /* todo_flags_finish */ +}; + +class pass_forwprop : public gimple_opt_pass +{ +public: + pass_forwprop (gcc::context *ctxt) + : gimple_opt_pass (pass_data_forwprop, ctxt) + {} + + /* opt_pass methods: */ + opt_pass * clone () { return new pass_forwprop (m_ctxt); } + virtual bool gate (function *) { return flag_tree_forwprop; } + virtual unsigned int execute (function *); + +}; // class pass_forwprop + +unsigned int +pass_forwprop::execute (function *fun) { basic_block bb; unsigned int todoflags = 0; cfg_changed = false; - FOR_EACH_BB_FN (bb, cfun) + FOR_EACH_BB_FN (bb, fun) { gimple_stmt_iterator gsi; @@ -3662,7 +3692,7 @@ ssa_forward_propagate_and_combine (void) else if (TREE_CODE_CLASS (code) == tcc_comparison) { if (forward_propagate_comparison (&gsi)) - cfg_changed = true; + cfg_changed = true; } else gsi_next (&gsi); @@ -3833,44 +3863,6 @@ ssa_forward_propagate_and_combine (void) return todoflags; } - -static bool -gate_forwprop (void) -{ - return flag_tree_forwprop; -} - -namespace { - -const pass_data pass_data_forwprop = -{ - GIMPLE_PASS, /* type */ - "forwprop", /* name */ - OPTGROUP_NONE, /* optinfo_flags */ - true, /* has_gate */ - true, /* has_execute */ - TV_TREE_FORWPROP, /* tv_id */ - ( PROP_cfg | PROP_ssa ), /* properties_required */ - 0, /* properties_provided */ - 0, /* properties_destroyed */ - 0, /* todo_flags_start */ - ( TODO_update_ssa | TODO_verify_ssa ), /* todo_flags_finish */ -}; - -class pass_forwprop : public gimple_opt_pass -{ -public: - pass_forwprop (gcc::context *ctxt) - : gimple_opt_pass (pass_data_forwprop, ctxt) - {} - - /* opt_pass methods: */ - opt_pass * clone () { return new pass_forwprop (m_ctxt); } - bool gate () { return gate_forwprop (); } - unsigned int execute () { return ssa_forward_propagate_and_combine (); } - -}; // class pass_forwprop - } // anon namespace gimple_opt_pass * |