test/Sema/atomic-compare.c - Issue 1238843002: Cherry-pick upstream r238083

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Side by Side Diff: test/Sema/atomic-compare.c

Issue 1238843002: Cherry-pick upstream r238083 (Closed) Base URL: https://chromium.googlesource.com/native_client/pnacl-clang.git@master

Patch Set: Created 5 years, 5 months ago

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1 // RUN: %clang_cc1 %s -verify -fsyntax-only	1 // RUN: %clang_cc1 %s -verify -fsyntax-only

2	2

3 void f(_Atomic(int) a, _Atomic(int) b) {	3 void f(_Atomic(int) a, _Atomic(int) b) {

4 if (a > b) {} // no warning	4 if (a > b) {} // no warning

5 if (a < b) {} // no warning	5 if (a < b) {} // no warning

6 if (a >= b) {} // no warning	6 if (a >= b) {} // no warning

7 if (a <= b) {} // no warning	7 if (a <= b) {} // no warning

8 if (a == b) {} // no warning	8 if (a == b) {} // no warning

9 if (a != b) {} // no warning	9 if (a != b) {} // no warning

10	10

11 if (a == 0) {} // no warning	11 if (a == 0) {} // no warning

12 if (a > 0) {} // no warning	12 if (a > 0) {} // no warning

13 if (a > 1) {} // no warning	13 if (a > 1) {} // no warning

14 if (a > 2) {} // no warning	14 if (a > 2) {} // no warning

15	15

16 if (!a > 0) {} // no warning	16 if (!a > 0) {} // no warning

17 if (!a > 1) {} // expected-warning {{comparison of constant 1 with boolean expression is always false}}	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}}	18 if (!a > 2) {} // expected-warning {{comparison of constant 2 with boolean expression is always false}}

19 if (!a > b) {} // no warning	19 if (!a > b) {} // no warning

20 if (!a > -1) {} // expected-warning {{comparison of constant -1 with boolea n expression is always true}}	20 if (!a > -1) {} // expected-warning {{comparison of constant -1 with boolea n expression is always true}}

21 }	21 }

	22

	23 typedef _Atomic(int) Ty;

	24 void PR23638(Ty *a) {

	25 if (*a == 1) {} // no warning

	26 }

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