YouCompleteMe/cpp/llvm/tools/clang/test/CodeGenCXX/derived-to-base.cpp
Strahinja Val Markovic 1f51a89d39 Adding more llvm/clang files
These were ignored by git accidentally. We want ALL OF THEM since they all came
in the llvm/clang source distribution.
2012-07-05 17:55:45 -07:00

48 lines
711 B
C++

// RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -emit-llvm -o - | FileCheck %s
struct A {
void f();
int a;
};
struct B : A {
double b;
};
void f() {
B b;
b.f();
}
// CHECK: define %struct.B* @_Z1fP1A(%struct.A* %a) nounwind
B *f(A *a) {
// CHECK-NOT: br label
// CHECK: ret %struct.B*
return static_cast<B*>(a);
}
// PR5965
namespace PR5965 {
// CHECK: define %struct.A* @_ZN6PR59651fEP1B(%struct.B* %b) nounwind
A *f(B* b) {
// CHECK-NOT: br label
// CHECK: ret %struct.A*
return b;
}
}
// Don't crash on a derived-to-base conversion of an r-value
// aggregate.
namespace test3 {
struct A {};
struct B : A {};
void foo(A a);
void test() {
foo(B());
}
}