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-rw-r--r--gcc/tree-if-conv.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/tree-if-conv.c b/gcc/tree-if-conv.c
index e2fce3c..a1803ff 100644
--- a/gcc/tree-if-conv.c
+++ b/gcc/tree-if-conv.c
@@ -2214,7 +2214,8 @@ predicate_mem_writes (loop_p loop)
{
if (!gimple_assign_single_p (stmt = gsi_stmt (gsi)))
;
- else if (is_false_predicate (cond))
+ else if (is_false_predicate (cond)
+ && gimple_vdef (stmt))
{
unlink_stmt_vdef (stmt);
gsi_remove (&gsi, true);