reference, declaration → definition definition → references, declarations, derived classes, virtual overrides reference to multiple definitions → definitions unreferenced |
1 2 3 4 5 6 7 8 9 10 11 12 | // RUN: %clang_cc1 -fsyntax-only -verify -Wtautological-bitwise-compare %s void test(int x) { bool b1 = (8 & x) == 3; // expected-warning@-1 {{bitwise comparison always evaluates to false}} bool b2 = x | 5; // expected-warning@-1 {{bitwise or with non-zero value always evaluates to true}} bool b3 = (x | 5); // expected-warning@-1 {{bitwise or with non-zero value always evaluates to true}} bool b4 = !!(x | 5); // expected-warning@-1 {{bitwise or with non-zero value always evaluates to true}} } |