Files
rk35xx-android14/external/clang/test/Analysis/inlining/dyn-dispatch-bifurcate.cpp
T
hmz007 36ed224bac Rockchip Anroid14_SDK 20240628-rkr5 (2556df1a)
Signed-off-by: hmz007 <hmz007@gmail.com>
Change-Id: Ib87fdbe7a0be7dc961af3500fe9ea4589a127f9f
2024-10-29 18:12:02 +08:00

39 lines
885 B
C++

// RUN: %clang_cc1 -analyze -analyzer-checker=core,debug.ExprInspection -analyzer-config ipa=dynamic-bifurcate -verify -Wno-reinterpret-base-class %s
void clang_analyzer_eval(bool);
class A {
public:
virtual int get() { return 0; }
};
void testBifurcation(A *a) {
clang_analyzer_eval(a->get() == 0); // expected-warning{{TRUE}} expected-warning{{UNKNOWN}}
}
void testKnown() {
A a;
clang_analyzer_eval(a.get() == 0); // expected-warning{{TRUE}}
}
void testNew() {
A *a = new A();
clang_analyzer_eval(a->get() == 0); // expected-warning{{TRUE}}
}
namespace ReinterpretDisruptsDynamicTypeInfo {
class Parent {};
class Child : public Parent {
public:
virtual int foo() { return 42; }
};
void test(Parent *a) {
Child *b = reinterpret_cast<Child *>(a);
if (!b) return;
clang_analyzer_eval(b->foo() == 42); // expected-warning{{UNKNOWN}}
}
}