mirror of git://gcc.gnu.org/git/gcc.git
28 lines
571 B
C
28 lines
571 B
C
/* { dg-do compile } */
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/* { dg-options "-O2 -funswitch-loops -fdump-tree-unswitch-details" } */
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#include <stdlib.h>
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#define N 32
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float *foo(int ustride, int size, float *src)
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{
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float *buffer, *p;
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int i, k;
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if (!src)
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return NULL;
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buffer = (float *) malloc(N * size * sizeof(float));
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if(buffer)
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for(i=0, p=buffer; i<N; i++, src+=ustride)
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for(k=0; k<size; k++)
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*p++ = src[k];
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return buffer;
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}
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/* { dg-final { scan-tree-dump-times "guard hoisted" 1 "unswitch" } } */
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/* { dg-final { scan-tree-dump-not "Invalid sum" "unswitch" } } */
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