| /* Straight-line strength reduction control flow variation. */ | |
| /* { dg-do compile } */ | |
| /* { dg-options "-O3 -fdump-tree-optimized" } */ | |
| int | |
| f (int n, int c, int s) | |
| { | |
| int a, x1, x2, x3; | |
| x1 = x2 = x3 = c; | |
| if (n > 64) | |
| { | |
| a = 2 * s; | |
| x1 = c + a; | |
| a = 4 * s; | |
| x2 = c + a; | |
| a = 6 * s; | |
| x3 = c + a; | |
| } | |
| return x1 + x2 + x3; | |
| } | |
| /* { dg-final { scan-tree-dump-times " \\* " 1 "optimized" } } */ |