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