--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/tree-ssa/ivopt_1.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,17 @@
+/* { dg-do compile { target {{ i?86-*-* x86_64-*-* } && lp64 } } } */
+/* { dg-options "-O2 -m64 -fdump-tree-ivopts" } */
+#define TYPE char*
+
+/* Testing that only one induction variable is selected after IVOPT on
+   the given target instead of 3.  */
+void foo (int i_width, TYPE dst, TYPE src1, TYPE src2)
+{
+      int x;
+       for( x = 0; x < i_width; x++ )
+       {
+           dst[x] = ( src1[x] + src2[x] + 1 ) >> 1;
+       }
+}
+
+
+/* { dg-final { scan-tree-dump-times "ivtmp.\[0-9_\]* = PHI <" 1 "ivopts"} } */