26 lines
553 B
C
26 lines
553 B
C
/* { dg-do compile } */
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/* { dg-options "-O2 -fdump-tree-fre-stats" } */
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int vnum_test8(int *data)
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{
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int i;
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int stop = data[3];
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int m = data[4];
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int n = m;
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int p;
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for (i=0; i<stop; i++) {
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int k = data[2];
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data[k] = 2;
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data[0] = m - n;
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k = data[1];
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m = m + k;
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n = n + k;
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p = data[0];
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}
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return p;
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}
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/* We should eliminate m - n, and set n = n + k into n = m, and
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set p to 0 */
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/* { dg-final { scan-tree-dump-times "Eliminated: 4" 1 "fre"} } */
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/* { dg-final { cleanup-tree-dump "fre" } } */
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