blob: 2609a10eb0b5784d9d2174fa2675e7dc5e3facd8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
/* { dg-require-effective-target size32plus } */
/* Formerly known as ltrans-2.c */
#define DEBUG 0
#if DEBUG
#include <stdio.h>
#endif
double u[1782225];
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++)
{
for (j = 0; j < N; j++)
{
sum = sum + u[i + 1335 * j];
if (j == N - 1)
u[1336 * i] *= 2;
}
}
*res = sum + N + u[1336 * 2] + u[1336];
}
extern void abort ();
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
if (res != 3565793)
abort ();
return 0;
}
/* { dg-final { scan-tree-dump-times "will be interchanged" 1 "graphite" { xfail *-*-* } } } */
/* { dg-final { cleanup-tree-dump "graphite" } } */
|
