1 files changed, 25 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ivopt_mult_2.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ivopt_mult_2.c
new file mode 100644
index 000000000..5e38df67b
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ivopt_mult_2.c
@@ -0,0 +1,25 @@
+/* { dg-do compile { target {{ i?86-*-* x86_64-*-* } && lp64 } } } */
+/* { dg-options "-O2 -m64 -fdump-tree-ivopts-details" } */
+
+/* Exit tests 'i < N1' and 'p2 > p_limit2' can be replaced, so
+ * two ivs i and p2 can be eliminate.  */
+long foo(long* p, long* p2, int N1, int N2)
+{
+  int i = 0;
+  long* p_limit2 = p2 + N2;
+  long s = 0;
+  while (i < N1)
+    {
+       p++;
+       p2++;
+       i++;
+       if (p2 > p_limit2)
+         break;
+       s += (*p);
+    }
+
+  return s;
+}
+
+/* { dg-final { scan-tree-dump-times "Replacing" 2 "ivopts"} } */
+/* { dg-final { cleanup-tree-dump "ivopts" } } */