1*67e74705SXin Li // RUN: %clang_cc1 -fsyntax-only -verify -Wno-bool-conversion -Wno-string-compare -Wno-tautological-compare -Waddress %s 2*67e74705SXin Li // RUN: %clang_cc1 -fsyntax-only -verify %s 3*67e74705SXin Li 4*67e74705SXin Li void foo(); 5*67e74705SXin Li int arr[5]; 6*67e74705SXin Li int global; 7*67e74705SXin Li const char* str = ""; 8*67e74705SXin Li test()9*67e74705SXin Livoid test() { 10*67e74705SXin Li if (foo) {} // expected-warning{{always evaluate to 'true'}} \ 11*67e74705SXin Li // expected-note{{silence}} 12*67e74705SXin Li if (arr) {} // expected-warning{{always evaluate to 'true'}} 13*67e74705SXin Li if (&global) {} // expected-warning{{always evaluate to 'true'}} 14*67e74705SXin Li if (foo == 0) {} // expected-warning{{always false}} \ 15*67e74705SXin Li // expected-note{{silence}} 16*67e74705SXin Li if (arr == 0) {} // expected-warning{{always false}} 17*67e74705SXin Li if (&global == 0) {} // expected-warning{{always false}} 18*67e74705SXin Li 19*67e74705SXin Li if (str == "foo") {} // expected-warning{{unspecified}} 20*67e74705SXin Li } 21