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Diffstat (limited to 'test/Analysis/svalbuilder-float-cast.c')
-rw-r--r-- | test/Analysis/svalbuilder-float-cast.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/test/Analysis/svalbuilder-float-cast.c b/test/Analysis/svalbuilder-float-cast.c new file mode 100644 index 0000000000000..0f5760cbfca08 --- /dev/null +++ b/test/Analysis/svalbuilder-float-cast.c @@ -0,0 +1,20 @@ +// RUN: %clang_analyze_cc1 -analyzer-checker debug.ExprInspection -verify %s +void clang_analyzer_denote(int, const char *); +void clang_analyzer_express(int); + +void SymbolCast_of_float_type_aux(int *p) { + *p += 0; + // FIXME: Ideally, all unknown values should be symbolicated. + clang_analyzer_denote(*p, "$x"); // expected-warning{{Not a symbol}} + + *p += 1; + // This should NOT be (float)$x + 1. Symbol $x was never casted to float. + // FIXME: Ideally, this should be $x + 1. + clang_analyzer_express(*p); // expected-warning{{Not a symbol}} +} + +void SymbolCast_of_float_type() { + extern float x; + void (*f)() = SymbolCast_of_float_type_aux; + f(&x); +} |