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-rw-r--r--gcc/testsuite/gcc.dg/tree-ssa/pr81388-1.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr81388-1.c b/gcc/testsuite/gcc.dg/tree-ssa/pr81388-1.c
new file mode 100644
index 00000000000..ecfe12929cc
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/pr81388-1.c
@@ -0,0 +1,14 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fno-strict-overflow -fdump-tree-ivcanon-details" } */
+
+void bar();
+void foo(char *dst)
+{
+ char *const end = dst;
+ do {
+ bar();
+ dst += 2;
+ } while (dst < end);
+}
+
+/* { dg-final { scan-tree-dump-times " zero if " 1 "ivcanon" } } */