Add testcase for PR46970.

2011-01-18  Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/46970
	* gcc.dg/graphite/pr46970.c: New.

From-SVN: r169257

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index c06eda3ee1369cc4af724056bc64ab7287b9c2d5..9db1dc7bafc91a0e1a5d792b89276011e3b65dcb 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
+
+       PR tree-optimization/46970
+       * gcc.dg/graphite/pr46970.c: New.
+
 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 
        PR tree-optimization/46215

diff --git a/gcc/testsuite/gcc.dg/graphite/pr46970.c b/gcc/testsuite/gcc.dg/graphite/pr46970.c
new file mode 100644 (file)
index 0000000..b1ef7d6
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/graphite/pr46970.c
@@ -0,0 +1,28 @@
+/* { dg-do run } */
+/* { dg-options "-Os -ftree-loop-linear" } */
+
+#define N 16
+
+int
+main1 (int n, int *a)
+{
+  int i, j;
+
+  for (i = 0; i < n; i++)
+    for (j = 0; j < n; j++)
+      a[j] = i + n;
+
+  for (j = 0; j < n; j++)
+    if (a[j] != i + n - 1)
+      __builtin_abort ();
+
+  return 0;
+}
+
+int
+main ()
+{
+  int a[N];
+  main1 (N, a);
+  return 0;
+}