| /* { dg-do compile } */ |
| /* { dg-options "-O2 -fdump-tree-optimized" } */ |
| |
| unsigned int test1(unsigned int a , unsigned int b) |
| { |
| return (a << 2) + (b << 2) == a * 4 + b * 4; |
| } |
| |
| unsigned int test2(unsigned int a , unsigned int b) |
| { |
| return (a << 2) + (b << 2) == (a + b) << 2; |
| } |
| |
| unsigned int test3(unsigned int a , unsigned int b) |
| { |
| return a * 4 + b * 4 == (a + b) * 4; |
| } |
| |
| unsigned int test4(unsigned int a , unsigned int b) |
| { |
| return (a + b) << 2 == (a + b) * 4; |
| } |
| |
| unsigned int test5(unsigned int a , unsigned int b) |
| { |
| return (a << 2) + (b << 2) == (a + b) * 4; |
| } |
| |
| unsigned int test6(unsigned int a , unsigned int b) |
| { |
| return (a + b) << 2 == a * 4 + b * 4; |
| } |
| |
| /* { dg-final { scan-tree-dump-times "return 1" 6 "optimized" } } */ |
