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| author | dim <dim@FreeBSD.org> | 2012-12-02 13:20:44 +0000 |
|---|---|---|
| committer | dim <dim@FreeBSD.org> | 2012-12-02 13:20:44 +0000 |
| commit | 056abd2059c65a3e908193aeae16fad98017437c (patch) | |
| tree | 2732d02d7d51218d6eed98ac7fcfc5b8794896b5 /test/Analysis/bitwise-ops.c | |
| parent | cc73504950eb7b5dff2dded9bedd67bc36d64641 (diff) | |
| download | FreeBSD-src-056abd2059c65a3e908193aeae16fad98017437c.zip FreeBSD-src-056abd2059c65a3e908193aeae16fad98017437c.tar.gz | |
Vendor import of clang release_32 branch r168974 (effectively, 3.2 RC2):
http://llvm.org/svn/llvm-project/cfe/branches/release_32@168974
Diffstat (limited to 'test/Analysis/bitwise-ops.c')
| -rw-r--r-- | test/Analysis/bitwise-ops.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/test/Analysis/bitwise-ops.c b/test/Analysis/bitwise-ops.c new file mode 100644 index 0000000..bf282ec --- /dev/null +++ b/test/Analysis/bitwise-ops.c @@ -0,0 +1,14 @@ +// RUN: %clang_cc1 -analyze -analyzer-checker=core,debug.ExprInspection -verify %s + +void clang_analyzer_eval(int); +#define CHECK(expr) if (!(expr)) return; clang_analyzer_eval(expr) + +void testPersistentConstraints(int x, int y) { + // Sanity check + CHECK(x); // expected-warning{{TRUE}} + CHECK(x & 1); // expected-warning{{TRUE}} + + // False positives due to SValBuilder giving up on certain kinds of exprs. + CHECK(1 - x); // expected-warning{{UNKNOWN}} + CHECK(x & y); // expected-warning{{UNKNOWN}} +}
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