| /* { dg-do compile } */ |
| /* { dg-options "-O2 -fdump-tree-reassoc1" } */ |
| |
| unsigned int test1 (unsigned int x, unsigned int y, unsigned int z, |
| unsigned int weight) |
| { |
| unsigned int tmp1 = x * weight; |
| unsigned int tmp2 = y * weight; |
| unsigned int tmp3 = (x - y) * weight; |
| return tmp1 + (tmp2 + tmp3); |
| } |
| |
| unsigned int test2 (unsigned int x, unsigned int y, unsigned int z, |
| unsigned int weight) |
| { |
| unsigned int tmp1 = x * weight; |
| unsigned int tmp2 = y * weight * weight; |
| unsigned int tmp3 = z * weight * weight * weight; |
| return tmp1 + tmp2 + tmp3; |
| } |
| |
| /* There should be one multiplication left in test1 and three in test2. */ |
| |
| /* { dg-final { scan-tree-dump-times "\\\*" 4 "reassoc1" } } */ |
| /* { dg-final { cleanup-tree-dump "reassoc1" } } */ |
