| 1 | // RUN: %clang_cc1 %s -verify -fsyntax-only -Wno-logical-not-parentheses |
|---|
| 2 | |
|---|
| 3 | void f(_Atomic(int) a, _Atomic(int) b) { |
|---|
| 4 | if (a > b) {} // no warning |
|---|
| 5 | if (a < b) {} // no warning |
|---|
| 6 | if (a >= b) {} // no warning |
|---|
| 7 | if (a <= b) {} // no warning |
|---|
| 8 | if (a == b) {} // no warning |
|---|
| 9 | if (a != b) {} // no warning |
|---|
| 10 | |
|---|
| 11 | if (a == 0) {} // no warning |
|---|
| 12 | if (a > 0) {} // no warning |
|---|
| 13 | if (a > 1) {} // no warning |
|---|
| 14 | if (a > 2) {} // no warning |
|---|
| 15 | |
|---|
| 16 | if (!a > 0) {} // no warning |
|---|
| 17 | if (!a > 1) {} // expected-warning {{comparison of constant 1 with boolean expression is always false}} |
|---|
| 18 | if (!a > 2) {} // expected-warning {{comparison of constant 2 with boolean expression is always false}} |
|---|
| 19 | if (!a > b) {} // no warning |
|---|
| 20 | if (!a > -1) {} // expected-warning {{comparison of constant -1 with boolean expression is always true}} |
|---|
| 21 | } |
|---|
| 22 | |
|---|
| 23 | typedef _Atomic(int) Ty; |
|---|
| 24 | void PR23638(Ty *a) { |
|---|
| 25 | if (*a == 1) {} // no warning |
|---|
| 26 | } |
|---|
| 27 | |
|---|