1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/ivopt_3.c b/gcc/testsuite/gcc.dg/tree-ssa/ivopt_3.c
new file mode 100644
index 000000000..ae4185a7a
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/ivopt_3.c
@@ -0,0 +1,20 @@
+/* { dg-do compile { target {{ i?86-*-* x86_64-*-* } && lp64 } } } */
+/* { dg-options "-O2 -m64 -fdump-tree-ivopts" } */
+
+#define TYPE char*
+
+/* Make sure only 1 iv candidate is selected after IVOPT.  */
+void foo (int i_width, char* dst, char* src1, char* src2)
+{
+      int x;
+       for( x = 0; x < i_width; x++ )
+       {
+           *((TYPE)dst) = ( *((TYPE)src1) + *((TYPE)src2) + 1 ) >> 1;
+	   dst+=sizeof(TYPE);
+	   src1+=sizeof(TYPE);
+	   src2+=sizeof(TYPE);
+       }
+} 
+
+/* { dg-final { scan-tree-dump-times "PHI <ivtmp" 1 "ivopts"} } */
+/* { dg-final { cleanup-tree-dump "ivopts" } } */