58 lines
847 B
C
58 lines
847 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 N 200
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int a[N][N];
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int b[N][N];
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static int __attribute__((noinline))
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foo (void)
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{
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int i, j;
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int res = 0;
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/* This loop nest should be blocked. */
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for (j = 1; j < N; j++)
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for (i = 0; i < N; i++)
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a[i][j] = a[i][j-1] + b[i][j];
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for (i = 0; i < N; i++)
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res += a[i][i];
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return res;
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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 < N; i++)
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for (j = 0; j < N; j++)
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{
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a[i][j] = i + j;
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b[i][j] = i - j;
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}
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res = foo ();
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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 != 1333300)
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abort ();
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return 0;
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}
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/* { dg-final { scan-tree-dump-times "will be loop blocked" 1 "graphite" } } */
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/* { dg-final { cleanup-tree-dump "graphite" } } */
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