From 9538c95bb185a04a86a993c4332b7f19aca95f1e Mon Sep 17 00:00:00 2001 From: Richard Biener Date: Wed, 18 Mar 2015 12:29:20 +0000 Subject: [PATCH] tree-ssa-loop-ch.c (pass_data_ch): Remove TODO_cleanup_cfg. 2015-03-18 Richard Biener * tree-ssa-loop-ch.c (pass_data_ch): Remove TODO_cleanup_cfg. (pass_ch::execute): Cleanup the CFG only if we did sth. * tree-vect-generic.c (pass_data_lower_vector): Remove TODO_cleanup_cfg. From-SVN: r221487 --- gcc/ChangeLog | 6 ++++++ gcc/tree-ssa-loop-ch.c | 7 +++++-- gcc/tree-vect-generic.c | 3 +-- 3 files changed, 12 insertions(+), 4 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index d2ff5c0a5f7..0b27dc20f90 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2015-03-18 Richard Biener + + * tree-ssa-loop-ch.c (pass_data_ch): Remove TODO_cleanup_cfg. + (pass_ch::execute): Cleanup the CFG only if we did sth. + * tree-vect-generic.c (pass_data_lower_vector): Remove TODO_cleanup_cfg. + 2015-03-18 Kyrylo Tkachov * expmed.c (synth_mult): Use std::swap instead of manually diff --git a/gcc/tree-ssa-loop-ch.c b/gcc/tree-ssa-loop-ch.c index d759de79525..c6441b87d61 100644 --- a/gcc/tree-ssa-loop-ch.c +++ b/gcc/tree-ssa-loop-ch.c @@ -159,7 +159,7 @@ const pass_data pass_data_ch = 0, /* properties_provided */ 0, /* properties_destroyed */ 0, /* todo_flags_start */ - TODO_cleanup_cfg, /* todo_flags_finish */ + 0, /* todo_flags_finish */ }; class pass_ch : public gimple_opt_pass @@ -184,6 +184,7 @@ pass_ch::execute (function *fun) basic_block *bbs, *copied_bbs; unsigned n_bbs; unsigned bbs_size; + bool changed = false; loop_optimizer_init (LOOPS_HAVE_PREHEADERS | LOOPS_HAVE_SIMPLE_LATCHES); @@ -291,6 +292,8 @@ pass_ch::execute (function *fun) are not now, since there was the loop exit condition. */ split_edge (loop_preheader_edge (loop)); split_edge (loop_latch_edge (loop)); + + changed = true; } update_ssa (TODO_update_ssa); @@ -298,7 +301,7 @@ pass_ch::execute (function *fun) free (copied_bbs); loop_optimizer_finalize (); - return 0; + return changed ? TODO_cleanup_cfg : 0; } } // anon namespace diff --git a/gcc/tree-vect-generic.c b/gcc/tree-vect-generic.c index dc110282719..a88b22f659d 100644 --- a/gcc/tree-vect-generic.c +++ b/gcc/tree-vect-generic.c @@ -1740,8 +1740,7 @@ const pass_data pass_data_lower_vector = PROP_gimple_lvec, /* properties_provided */ 0, /* properties_destroyed */ 0, /* todo_flags_start */ - ( TODO_update_ssa - | TODO_cleanup_cfg ), /* todo_flags_finish */ + TODO_update_ssa, /* todo_flags_finish */ }; class pass_lower_vector : public gimple_opt_pass -- 2.30.2