llvm-for-llvmta/tools/clang/test/Analysis/svalbuilder-float-cast.c

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2022-04-25 13:02:35 +02:00
// 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);
}