1 files changed, 24 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/ivopt_mult_1.c b/gcc/testsuite/gcc.dg/tree-ssa/ivopt_mult_1.c
new file mode 100644
index 000000000..4e19dfd01
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/ivopt_mult_1.c
@@ -0,0 +1,24 @@
+/* { dg-do compile { target {{ i?86-*-* x86_64-*-* } && lp64 } } } */
+/* { dg-options "-O2 -m64 -fdump-tree-ivopts-details" } */
+
+/* The test 'if (p2 > p_limit2)' can be replaced, so iv p2 can be
+ * eliminated.  */
+long foo(long* p, long* p2, int N1, int N2)
+{
+  int i = 0;
+  long* p_limit = p + N1;
+  long* p_limit2 = p2 + N2;
+  long s = 0;
+  while (p  <= p_limit)
+    {
+      p++;
+      p2++;
+      if (p2 > p_limit2)
+        break;
+      s += (*p);
+    }
+  return s;
+}
+
+/* { dg-final { scan-tree-dump-times "Replacing" 1 "ivopts"} } */
+/* { dg-final { cleanup-tree-dump "ivopts" } } */