mirror of git://gcc.gnu.org/git/gcc.git
55 lines
897 B
C
55 lines
897 B
C
/* { dg-require-effective-target size32plus } */
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#define DEBUG 0
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#if DEBUG
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#include <stdio.h>
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#endif
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#define NMAX 2000
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static int x[NMAX], a[NMAX][NMAX];
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static int __attribute__((noinline))
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mvt (long N)
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{
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int i,j;
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/* These two loops should be interchanged. */
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for (i = 0; i < N; i++)
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for (j = 0; j < N; j++)
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x[i] += a[j][i];
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return x[1];
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}
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extern void abort ();
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int
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main (void)
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{
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int i, j, res;
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for (i = 0; i < NMAX; i++)
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for (j = 0; j < NMAX; j++)
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a[i][j] = j;
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for (i = 0; i < NMAX; i++)
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x[i] = i;
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res = mvt (NMAX);
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#if DEBUG
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fprintf (stderr, "res = %d \n", res);
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#endif
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if (res != 2001)
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abort ();
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return 0;
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}
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/* PRE destroys the perfect nest and we can't cope with that yet. */
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/* { dg-final { scan-tree-dump-times "will be interchanged" 1 "graphite" { xfail *-*-* } } } */
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/* { dg-final { cleanup-tree-dump "graphite" } } */
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