aboutsummaryrefslogtreecommitdiff
path: root/gcc/tree-ssa-loop-ivcanon.c
diff options
context:
space:
mode:
authorRichard Biener <rguenther@suse.de>2013-05-10 12:20:36 +0000
committerRichard Biener <rguenth@gcc.gnu.org>2013-05-10 12:20:36 +0000
commit9ff09a22bf4323b92457f717b13fac6a85bf7745 (patch)
tree6d5a0374956e898ec63d7024bc819ef828c737b8 /gcc/tree-ssa-loop-ivcanon.c
parenta5e0cd1d9bd6fbcff37a6545d8e60b36ff6ea7a7 (diff)
downloadgcc-9ff09a22bf4323b92457f717b13fac6a85bf7745.zip
gcc-9ff09a22bf4323b92457f717b13fac6a85bf7745.tar.gz
gcc-9ff09a22bf4323b92457f717b13fac6a85bf7745.tar.bz2
re PR tree-optimization/57214 (ice: tree check: expected ssa_name, have integer_cst in coalesce_partitions, at tree-ssa-coalesce.c:1194)
2013-05-10 Richard Biener <rguenther@suse.de> PR tree-optimization/57214 * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling): Do not propagate from SSA names that occur in abnormal PHI nodes. From-SVN: r198773
Diffstat (limited to 'gcc/tree-ssa-loop-ivcanon.c')
-rw-r--r--gcc/tree-ssa-loop-ivcanon.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/tree-ssa-loop-ivcanon.c b/gcc/tree-ssa-loop-ivcanon.c
index c57e4f6..b5751cb 100644
--- a/gcc/tree-ssa-loop-ivcanon.c
+++ b/gcc/tree-ssa-loop-ivcanon.c
@@ -1085,8 +1085,9 @@ propagate_constants_for_unrolling (basic_block bb)
tree lhs;
if (is_gimple_assign (stmt)
+ && gimple_assign_rhs_code (stmt) == INTEGER_CST
&& (lhs = gimple_assign_lhs (stmt), TREE_CODE (lhs) == SSA_NAME)
- && gimple_assign_rhs_code (stmt) == INTEGER_CST)
+ && !SSA_NAME_OCCURS_IN_ABNORMAL_PHI (lhs))
{
propagate_into_all_uses (lhs, gimple_assign_rhs1 (stmt));
gsi_remove (&gsi, true);