summaryrefslogtreecommitdiff
path: root/gcc/testsuite/gcc.dg/graphite/interchange-2.c
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/testsuite/gcc.dg/graphite/interchange-2.c')
-rw-r--r--gcc/testsuite/gcc.dg/graphite/interchange-2.c31
1 files changed, 28 insertions, 3 deletions
diff --git a/gcc/testsuite/gcc.dg/graphite/interchange-2.c b/gcc/testsuite/gcc.dg/graphite/interchange-2.c
index 6b1dbe6514f..62692defae4 100644
--- a/gcc/testsuite/gcc.dg/graphite/interchange-2.c
+++ b/gcc/testsuite/gcc.dg/graphite/interchange-2.c
@@ -2,12 +2,19 @@
/* Formerly known as ltrans-2.c */
+#define DEBUG 0
+#if DEBUG
+#include <stdio.h>
+#endif
+
double u[1782225];
-int foo(int N, int *res)
+
+static void __attribute__((noinline))
+foo (int N, int *res)
{
unsigned int i, j;
double sum = 0;
-
+
/* This loop should be converted to a perfect nest and
interchanged. */
for (i = 0; i < N; i++)
@@ -19,7 +26,25 @@ int foo(int N, int *res)
u[1336 * i] *= 2;
}
}
- *res = sum + N;
+
+ *res = sum + N + u[1336 * 2] + u[1336];
+}
+
+int
+main (void)
+{
+ int i, j, res;
+
+ for (i = 0; i < 1782225; i++)
+ u[i] = 2;
+
+ foo (1335, &res);
+
+#if DEBUG
+ fprintf (stderr, "res = %d \n", res);
+#endif
+
+ return res != 3565793;
}
/* { dg-final { scan-tree-dump-times "will be interchanged" 1 "graphite" { xfail *-*-* } } } */