| /* { dg-do compile } */ | |
| /* { dg-options "-O2 -funswitch-loops -fdump-tree-unswitch-optimized" } */ | |
| int | |
| foo(double *a, double *b, double *c, double *d, double *r, int size, int order) | |
| { | |
| for (int i = 0; i < size; i++) | |
| { | |
| double tmp; | |
| if (order == 1) | |
| tmp = -8 * a[i]; | |
| else | |
| { | |
| if (order == 2) | |
| tmp = -4 * b[i]; | |
| else | |
| tmp = a[i]; | |
| } | |
| r[i] = 3.4f * tmp + d[i]; | |
| } | |
| return 0; | |
| } | |
| /* { dg-final { scan-tree-dump-times "unswitching loop . on .if. with condition: order" 2 "unswitch" } } */ |