gcc/testsuite/

	Backport from trunk r235926.
	2016-05-05  Bin Cheng  <bin.cheng@arm.com>

	PR tree-optimization/57206
	* gcc.dg/vect/pr57206.c: New test.

Change-Id: Iffbbf81752a011e2eae0bc48007e0f1ac8804e21

diff --git a/gcc/testsuite/gcc.dg/vect/pr57206.c b/gcc/testsuite/gcc.dg/vect/pr57206.c
new file mode 100644 (file)
index 0000000..009688e
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/vect/pr57206.c
@@ -0,0 +1,11 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target vect_float } */
+
+void bad0(float * d, unsigned int n)
+{
+  unsigned int i;
+  for (i=n; i>0; --i) 
+    d[n-i] = 0.0;
+}
+
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */