4f42fc4e1d
This fixes a couple of asserts when analyzing comparisons involving C11 atomics that were uncovered by r205608 when we extended the applicability of -Wtautological-constant-out-of-range-compare. llvm-svn: 213573
22 lines
818 B
C
22 lines
818 B
C
// RUN: %clang_cc1 %s -verify -fsyntax-only
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void f(_Atomic(int) a, _Atomic(int) b) {
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if (a > b) {} // no warning
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if (a < b) {} // no warning
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if (a >= b) {} // no warning
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if (a <= b) {} // no warning
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if (a == b) {} // no warning
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if (a != b) {} // no warning
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if (a == 0) {} // no warning
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if (a > 0) {} // no warning
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if (a > 1) {} // no warning
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if (a > 2) {} // no warning
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if (!a > 0) {} // no warning
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if (!a > 1) {} // expected-warning {{comparison of constant 1 with boolean expression is always false}}
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if (!a > 2) {} // expected-warning {{comparison of constant 2 with boolean expression is always false}}
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if (!a > b) {} // no warning
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if (!a > -1) {} // expected-warning {{comparison of constant -1 with boolean expression is always true}}
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}
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