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Rev 298 |
Rev 338 |
/* { dg-do compile } */
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/* { dg-do compile } */
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/* { dg-options "-O2 -fdump-tree-fre-stats" } */
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/* { dg-options "-O2 -fdump-tree-fre-stats" } */
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void vnum_test8(int *data)
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void vnum_test8(int *data)
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{
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{
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int i;
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int i;
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int stop = data[3];
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int stop = data[3];
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int m = data[4];
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int m = data[4];
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int n = m;
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int n = m;
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for (i=0; i<stop; i++) {
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for (i=0; i<stop; i++) {
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int k = data[2];
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int k = data[2];
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data[k] = 2;
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data[k] = 2;
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data[0] = m - n;
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data[0] = m - n;
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k = data[1];
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k = data[1];
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m = m + k;
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m = m + k;
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n = n + k;
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n = n + k;
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}
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}
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}
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}
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/* We should eliminate m - n, and set n = n + k into n = m. */
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/* We should eliminate m - n, and set n = n + k into n = m. */
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/* { dg-final { scan-tree-dump-times "Eliminated: 3" 1 "fre"} } */
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/* { dg-final { scan-tree-dump-times "Eliminated: 3" 1 "fre"} } */
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/* { dg-final { cleanup-tree-dump "fre" } } */
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/* { dg-final { cleanup-tree-dump "fre" } } */
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