aboutsummaryrefslogtreecommitdiff
path: root/gcc
diff options
context:
space:
mode:
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog6
-rw-r--r--gcc/tree-ssa-sccvn.c3
2 files changed, 8 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f69542d..1f71491 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2019-07-30 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/91291
+ * tree-ssa-sccvn.c (rpo_elim::eliminate_push_avail): Ignore
+ constant values.
+
2019-07-30 Jakub Jelinek <jakub@redhat.com>
PR middle-end/91216
diff --git a/gcc/tree-ssa-sccvn.c b/gcc/tree-ssa-sccvn.c
index a2cb237..23f7400 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))
{