| /* { 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" } } */ |
| |
| |
