diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2012-12-02 13:20:44 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2012-12-02 13:20:44 +0000 |
| commit | 13cc256e404620c1de0cbcc4e43ce1e2dbbc4898 (patch) | |
| tree | 2732d02d7d51218d6eed98ac7fcfc5b8794896b5 /test/Analysis/logical-ops.c | |
| parent | 657bc3d9848e3be92029b2416031340988cd0111 (diff) | |
Notes
Diffstat (limited to 'test/Analysis/logical-ops.c')
| -rw-r--r-- | test/Analysis/logical-ops.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/test/Analysis/logical-ops.c b/test/Analysis/logical-ops.c new file mode 100644 index 000000000000..a1223b39fa89 --- /dev/null +++ b/test/Analysis/logical-ops.c @@ -0,0 +1,27 @@ +// RUN: %clang_cc1 -analyze -analyzer-checker=core,debug.ExprInspection -verify %s + +void clang_analyzer_eval(int); + +void testAnd(int i, int *p) { + int *nullP = 0; + int *knownP = &i; + clang_analyzer_eval((knownP && knownP) == 1); // expected-warning{{TRUE}} + clang_analyzer_eval((knownP && nullP) == 0); // expected-warning{{TRUE}} + clang_analyzer_eval((knownP && p) == 1); // expected-warning{{UNKNOWN}} +} + +void testOr(int i, int *p) { + int *nullP = 0; + int *knownP = &i; + clang_analyzer_eval((nullP || knownP) == 1); // expected-warning{{TRUE}} + clang_analyzer_eval((nullP || nullP) == 0); // expected-warning{{TRUE}} + clang_analyzer_eval((nullP || p) == 1); // expected-warning{{UNKNOWN}} +} + + +// PR13461 +int testTypeIsInt(int i, void *p) { + if (i | (p && p)) + return 1; + return 0; +} |
