1 files changed, 28 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/slsr-35.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/slsr-35.c
new file mode 100644
index 000000000..3f4d13617
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/slsr-35.c
@@ -0,0 +1,28 @@
+/* Verify straight-line strength reduction for a candidate with a basis
+   hidden by a phi dependences, having a known stride, and where the 
+   phi has an argument which is a parameter.  */
+
+/* { dg-do compile } */
+/* { dg-options "-O3 -fdump-tree-optimized" } */
+
+int
+f (int c, int i)
+{
+  int a1, a3, x1, x3, x;
+
+  a1 = i * 16;
+  x1 = c + a1;
+
+  if (x1 > 6)
+    i = i + 2;
+
+  i = i + 2;
+  a3 = i * 16;
+  x3 = c + a3;
+
+  x = x1 + x3;
+  return x;
+}
+
+/* { dg-final { scan-tree-dump-times " \\* " 1 "optimized" } } */
+/* { dg-final { cleanup-tree-dump "optimized" } } */