/* { dg-do compile } */ | |
/* { dg-options "-O2 -fdump-tree-original" } */ | |
/* x | ~(x | y) -> x | ~y */ | |
int fn1 (int x, int y) | |
{ | |
return x | ~(x | y); | |
} | |
int fn2 (int x, int y) | |
{ | |
return ~(x | y) | x; | |
} | |
int fn3 (int x, int y) | |
{ | |
return x | ~(y | x); | |
} | |
int fn4 (int x, int y) | |
{ | |
return ~(y | x) | x; | |
} | |
int fn5 (int z) | |
{ | |
return z | ~(z | 3); | |
} | |
int fn6 (int z) | |
{ | |
return ~(z | 3) | z; | |
} | |
/* { dg-final { scan-tree-dump-times "~y \\| x" 4 "original" } } */ | |
/* { dg-final { scan-tree-dump-times "z \\| -4" 2 "original" } } */ |