| /* { 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 < 3) |
| tmp = -8 * a[i]; |
| else |
| tmp = -4 * b[i]; |
| |
| double x = 3 * tmp + d[i] + tmp; |
| |
| if (5 > order) |
| x += 2; |
| |
| if (order == 12345) |
| x *= 5; |
| |
| double y = 3.4f * tmp + d[i]; |
| r[i] = x + y; |
| } |
| |
| return 0; |
| } |
| |
| /* { dg-final { scan-tree-dump-times "unswitching loop . on .if. with condition: order" 3 "unswitch" } } */ |
