1 files changed, 19 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/ivopt_4.c b/gcc/testsuite/gcc.dg/tree-ssa/ivopt_4.c
new file mode 100644
index 000000000..570664c92
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/ivopt_4.c
@@ -0,0 +1,19 @@
+/* { dg-do compile { target {{ i?86-*-* x86_64-*-* } && lp64 } } } */
+/* { dg-options "-O2 -m64 -fdump-tree-ivopts" } */
+
+#ifndef TYPE
+#define TYPE char*
+#endif
+
+/* Make sure only 1 iv candidate is selected.  */
+void foo (int i_width, TYPE dst, TYPE src1, TYPE src2)
+{
+      TYPE dstn= dst + i_width;
+       for( ; dst < dstn; )
+       {
+           *dst++ = ( *src1++ + *src2++ + 1 ) >> 1;
+       }
+}
+
+/* { dg-final { scan-tree-dump-times "PHI <ivtmp" 1 "ivopts"} } */
+/* { dg-final { cleanup-tree-dump "ivopts" } } */