Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 33 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ldist-5.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ldist-5.c
new file mode 100644
index 000000000..9a03dc171
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ldist-5.c
@@ -0,0 +1,33 @@
+/* { dg-do compile { target int32plus } } */ 
+/* { dg-options "-O2 -ftree-loop-distribution -fdump-tree-ldist-all" } */
+
+int loop1 (int k)
+{
+  unsigned int i;
+  unsigned int j;
+  int a[100][100], b[100][100], c[100][100], d[100][100];
+
+  a[0][0] = k;
+  for (i = 1; i < 100; i ++)
+    for (j = 1; j < (100-1); j++) 
+      {   
+        a[i][j] = k * i; /* S1 */
+        b[i][j] = a[i][j-1] + k; /* S2 */
+        c[i][j] = b[i][j] + a[i][j+1]; /* S3 */
+        d[i][j] = c[i][j] + k + i; /* S4 */
+      }
+  /* Dependences:
+     S1->S2 (flow, level 2)
+     S1->S3 (anti, level 2)
+     S2->S3 (flow, level 0)
+     S3->S4 (flow, level 0)
+  */
+  
+  return a[100-1][100-1] + b[100-1][100-1] + c[100-1][100-1] + d[100-1][100-1];
+}
+
+/* FIXME: This is XFAILed because of a data dependence analysis
+   problem: the dependence test fails with a "don't know" relation.  */
+
+/* { dg-final { scan-tree-dump-times "distributed: split to 2 loops" 1 "ldist" { xfail *-*-* } } } */
+/* { dg-final { cleanup-tree-dump "ldist" } } */