diff options
| author | Jan Hubicka <jh@suse.cz> | 2012-11-16 11:37:25 +0100 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2012-11-16 10:37:25 +0000 |
| commit | 0c46ead21939657b03cd8c383afc8dec6fba8def (patch) | |
| tree | 38d7a6378ff958bf3464676b93f2088e7d72dc20 /gcc/tree-ssa-pre.c | |
| parent | f3754998dd0fc5ece39dbe467da1120e9d0c11b8 (diff) | |
| download | gcc-0c46ead21939657b03cd8c383afc8dec6fba8def.zip gcc-0c46ead21939657b03cd8c383afc8dec6fba8def.tar.gz gcc-0c46ead21939657b03cd8c383afc8dec6fba8def.tar.bz2 | |
re PR tree-optimization/54717 (Runtime regression: polyhedron test "rnflow" degraded)
PR tree-optimization/54717
* tree-ssa-pre.c (do_partial_partial_insertion): Consider also edges
with ANTIC_IN.
From-SVN: r193553
Diffstat (limited to 'gcc/tree-ssa-pre.c')
| -rw-r--r-- | gcc/tree-ssa-pre.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/gcc/tree-ssa-pre.c b/gcc/tree-ssa-pre.c index 191de51..6876dd4 100644 --- a/gcc/tree-ssa-pre.c +++ b/gcc/tree-ssa-pre.c @@ -3525,7 +3525,8 @@ do_partial_partial_insertion (basic_block block, basic_block dom) may cause regressions on the speed path. */ FOR_EACH_EDGE (succ, ei, block->succs) { - if (bitmap_set_contains_value (PA_IN (succ->dest), val)) + if (bitmap_set_contains_value (PA_IN (succ->dest), val) + || bitmap_set_contains_value (ANTIC_IN (succ->dest), val)) { if (optimize_edge_for_speed_p (succ)) do_insertion = true; @@ -3539,7 +3540,7 @@ do_partial_partial_insertion (basic_block block, basic_block dom) fprintf (dump_file, "Skipping partial partial redundancy " "for expression "); print_pre_expr (dump_file, expr); - fprintf (dump_file, " (%04d), not partially anticipated " + fprintf (dump_file, " (%04d), not (partially) anticipated " "on any to be optimized for speed edges\n", val); } } |