diff options
author | Richard Biener <rguenther@suse.de> | 2019-07-30 08:57:35 +0000 |
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committer | Richard Biener <rguenth@gcc.gnu.org> | 2019-07-30 08:57:35 +0000 |
commit | 8c955a4b9ca99dc1557dd4547068abf7a0838c8f (patch) | |
tree | 25121faf68ef673d474e269a9e80b23242bf2a87 /gcc/tree-ssa-sccvn.c | |
parent | 230e2efd781c89e4add25c304e6d815c25366387 (diff) |
re PR tree-optimization/91291 (gcc.dg/20020312-2.c FAILs)
2019-07-30 Richard Biener <rguenther@suse.de>
PR tree-optimization/91291
* tree-ssa-sccvn.c (rpo_elim::eliminate_push_avail): Ignore
constant values.
From-SVN: r273903
Diffstat (limited to 'gcc/tree-ssa-sccvn.c')
-rw-r--r-- | gcc/tree-ssa-sccvn.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/tree-ssa-sccvn.c b/gcc/tree-ssa-sccvn.c index a2cb237293e..23f7400f2e9 100644 --- a/gcc/tree-ssa-sccvn.c +++ b/gcc/tree-ssa-sccvn.c @@ -6253,7 +6253,8 @@ void rpo_elim::eliminate_push_avail (basic_block bb, tree leader) { tree valnum = VN_INFO (leader)->valnum; - if (valnum == VN_TOP) + if (valnum == VN_TOP + || is_gimple_min_invariant (valnum)) return; if (dump_file && (dump_flags & TDF_DETAILS)) { |