Jordy Rose | 43d9f0d | 2012-05-16 16:01:10 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -analyze -analyzer-checker=core,debug.ExprInspection -analyzer-ipa=inlining -analyzer-store region -verify %s |
Zhongxing Xu | 7ce351d | 2010-11-01 09:09:44 +0000 | [diff] [blame] | 2 | |
Jordy Rose | 43d9f0d | 2012-05-16 16:01:10 +0000 | [diff] [blame] | 3 | void clang_analyzer_eval(bool); |
| 4 | |
Jordan Rose | 7f66085 | 2012-08-15 21:56:23 +0000 | [diff] [blame^] | 5 | |
Zhongxing Xu | 40ab43b | 2010-04-20 05:48:57 +0000 | [diff] [blame] | 6 | struct A { |
| 7 | int x; |
| 8 | A(int a) { x = a; } |
Zhongxing Xu | 3230302 | 2010-11-24 13:48:50 +0000 | [diff] [blame] | 9 | int getx() const { return x; } |
Zhongxing Xu | 40ab43b | 2010-04-20 05:48:57 +0000 | [diff] [blame] | 10 | }; |
| 11 | |
Jordan Rose | 7f66085 | 2012-08-15 21:56:23 +0000 | [diff] [blame^] | 12 | void testNullObject(A *a) { |
| 13 | clang_analyzer_eval(a); // expected-warning{{UNKNOWN}} |
| 14 | (void)a->getx(); // assume we know what we're doing |
| 15 | clang_analyzer_eval(a); // expected-warning{{TRUE}} |
| 16 | } |
| 17 | |
| 18 | |
| 19 | // FIXME: These require constructor inlining to be enabled. |
| 20 | |
Zhongxing Xu | 40ab43b | 2010-04-20 05:48:57 +0000 | [diff] [blame] | 21 | void f1() { |
| 22 | A x(3); |
Jordan Rose | 7f66085 | 2012-08-15 21:56:23 +0000 | [diff] [blame^] | 23 | // should be TRUE |
| 24 | clang_analyzer_eval(x.getx() == 3); // expected-warning{{UNKNOWN}} |
Zhongxing Xu | 40ab43b | 2010-04-20 05:48:57 +0000 | [diff] [blame] | 25 | } |
| 26 | |
Zhongxing Xu | 0e38d5d | 2010-11-25 03:18:57 +0000 | [diff] [blame] | 27 | void f2() { |
| 28 | const A &x = A(3); |
Jordan Rose | 7f66085 | 2012-08-15 21:56:23 +0000 | [diff] [blame^] | 29 | // should be TRUE |
| 30 | clang_analyzer_eval(x.getx() == 3); // expected-warning{{UNKNOWN}} |
Zhongxing Xu | 0e38d5d | 2010-11-25 03:18:57 +0000 | [diff] [blame] | 31 | } |
| 32 | |
Argyrios Kyrtzidis | b76fdf6 | 2011-02-19 01:08:37 +0000 | [diff] [blame] | 33 | void f3() { |
| 34 | const A &x = (A)3; |
Jordan Rose | 7f66085 | 2012-08-15 21:56:23 +0000 | [diff] [blame^] | 35 | // should be TRUE |
| 36 | clang_analyzer_eval(x.getx() == 3); // expected-warning{{UNKNOWN}} |
Argyrios Kyrtzidis | b76fdf6 | 2011-02-19 01:08:37 +0000 | [diff] [blame] | 37 | } |