llvm-project/clang/test/CodeGenCXX/ptr-to-member-function.cpp

54 lines
976 B
C++
Raw Normal View History

// RUN: clang-cc -triple x86_64-apple-darwin -std=c++0x -S %s -o %t-64.s &&
// RUN: FileCheck -check-prefix LP64 --input-file=%t-64.s %s &&
// RUN: clang-cc -triple i386-apple-darwin -std=c++0x -S %s -o %t-32.s &&
// RUN: FileCheck -check-prefix LP32 --input-file=%t-32.s %s &&
// RUN: true
// 13.3.3.2 Ranking implicit conversion sequences
extern "C" int printf(...);
struct A {
int Ai;
};
struct B : public A {
void bf() { printf("B::bf called\n"); }
};
struct C : public B { };
// conversion of B::* to C::* is better than conversion of A::* to C::*
typedef void (A::*pmfa)();
typedef void (B::*pmfb)();
typedef void (C::*pmfc)();
struct X {
operator pmfa();
operator pmfb() {
return &B::bf;
}
};
void g(pmfc pm) {
C c;
(c.*pm)();
}
void test2(X x)
{
g(x);
}
int main()
{
X x;
test2(x);
}
// CHECK-LP64: call __ZN1XcvM1BFvvEEv
// CHECK-LP64: call __Z1gM1CFvvE
// CHECK-LP32: call L__ZN1XcvM1BFvvEEv
// CHECK-LP32: call __Z1gM1CFvvE