1*0a6a1f1dSLionel Sambuc // RUN: %clang_cc1 %s -verify -fsyntax-only 2*0a6a1f1dSLionel Sambuc f(_Atomic (int)a,_Atomic (int)b)3*0a6a1f1dSLionel Sambucvoid f(_Atomic(int) a, _Atomic(int) b) { 4*0a6a1f1dSLionel Sambuc if (a > b) {} // no warning 5*0a6a1f1dSLionel Sambuc if (a < b) {} // no warning 6*0a6a1f1dSLionel Sambuc if (a >= b) {} // no warning 7*0a6a1f1dSLionel Sambuc if (a <= b) {} // no warning 8*0a6a1f1dSLionel Sambuc if (a == b) {} // no warning 9*0a6a1f1dSLionel Sambuc if (a != b) {} // no warning 10*0a6a1f1dSLionel Sambuc 11*0a6a1f1dSLionel Sambuc if (a == 0) {} // no warning 12*0a6a1f1dSLionel Sambuc if (a > 0) {} // no warning 13*0a6a1f1dSLionel Sambuc if (a > 1) {} // no warning 14*0a6a1f1dSLionel Sambuc if (a > 2) {} // no warning 15*0a6a1f1dSLionel Sambuc 16*0a6a1f1dSLionel Sambuc if (!a > 0) {} // no warning 17*0a6a1f1dSLionel Sambuc if (!a > 1) {} // expected-warning {{comparison of constant 1 with boolean expression is always false}} 18*0a6a1f1dSLionel Sambuc if (!a > 2) {} // expected-warning {{comparison of constant 2 with boolean expression is always false}} 19*0a6a1f1dSLionel Sambuc if (!a > b) {} // no warning 20*0a6a1f1dSLionel Sambuc if (!a > -1) {} // expected-warning {{comparison of constant -1 with boolean expression is always true}} 21*0a6a1f1dSLionel Sambuc } 22