|  | /* { dg-do compile } */ | 
|  | /* { dg-options "-O -fdump-tree-original" } */ | 
|  |  | 
|  | int f1 (int a, int b) | 
|  | { | 
|  | return ~(a|b)|(~a&b); | 
|  | } | 
|  |  | 
|  | int f2 (int a, int b) | 
|  | { | 
|  | return (a|b)^(a|~b); | 
|  | } | 
|  |  | 
|  | /* { dg-final { scan-tree-dump-times "return \\~a;" 2 "original" } } */ | 
|  |  | 
|  | int f3 (int a, int b) | 
|  | { | 
|  | return ~(a|b)|(a&b); | 
|  | } | 
|  |  | 
|  | /* { dg-final { scan-tree-dump "return \\~\\(a \\^ b\\);" "original" } } */ | 
|  |  | 
|  | int f4 (int a, int b) | 
|  | { | 
|  | return a^b^(~a|b); | 
|  | } | 
|  |  | 
|  | /* { dg-final { scan-tree-dump "return \\~b \\| a;" "original" } } */ | 
|  |  | 
|  | int f5 (int a, int b) | 
|  | { | 
|  | return (a^b)|~(a|b); | 
|  | } | 
|  |  | 
|  | /* { dg-final { scan-tree-dump "return \\~\\(a \\& b\\);" "original" } } */ |