/* { dg-do compile } */ /* { dg-options "-O2 -fdump-tree-original" } */ int test1(int a) { return !(a & 4); } int test2(int b) { return (b & 4) == 0; } int test3(int c) { return ((c & 4) ^ 4) != 0; } int test4(int d) { return ((d ^ 4) & 4) != 0; } int test5(int e) { return (~e & 4) != 0; } /* { dg-final { scan-tree-dump-times "\\(a \& 4\\) == 0" 1 "original" } } */ /* { dg-final { scan-tree-dump-times "\\(b \& 4\\) == 0" 1 "original" } } */ /* { dg-final { scan-tree-dump-times "\\(c \& 4\\) == 0" 1 "original" } } */ /* { dg-final { scan-tree-dump-times "\\(d \& 4\\) == 0" 1 "original" } } */ /* { dg-final { scan-tree-dump-times "\\(e \& 4\\) == 0" 1 "original" } } */ /* { dg-final { cleanup-tree-dump "original" } } */