1 // RUN: %clang_cc1 -triple x86_64-apple-darwin -std=c++11 -emit-llvm %s -o - | \
2 // RUN: FileCheck -check-prefix CHECK-LP64 %s
3 // RUN: %clang_cc1 -triple i386-apple-darwin -std=c++11 -emit-llvm %s -o - | \
4 // RUN: FileCheck -check-prefix CHECK-LP32 %s
5 // 13.3.3.2 Ranking implicit conversion sequences
6 
7 extern "C" int printf(...);
8 
9 struct A {
10 int Ai;
11 bool foo(int* arg) const;
12 };
13 
14 bool A::foo(int* arg) const {
15     printf("A::foo(%d)\n", *arg);
16     return true;
17 }
18 
19 struct B : public A {
20   void bf() { printf("B::bf called\n"); }
21 };
22 
23 struct C : public B { };
24 
25 // conversion of B::* to C::* is better than conversion of A::* to C::*
26 typedef void (A::*pmfa)();
27 typedef void (B::*pmfb)();
28 typedef void (C::*pmfc)();
29 
30 struct X {
31 	operator pmfa();
32 	operator pmfb() {
33 	  return &B::bf;
34         }
35 };
36 
37 
38 void g(pmfc pm) {
39   C c;
40   (c.*pm)();
41 }
42 
43 void test2(X x)
44 {
45     g(x);
46 }
47 
48 struct B1 {
49   bool (A::*pmf)(int*) const;
50 
51   B1(int i) : pmf(&A::foo), im(i) {
52     ((A*)this->*pmf)(&im);
53   }
54 
55   int im;
56 };
57 
58 int main()
59 {
60 	X x;
61 	test2(x);
62         B1 b = B1(1);
63   	B1 c = B1(2);
64 }
65 
66 // CHECK-LP64: call { i64, i64 } @_ZN1XcvM1BFvvEEv
67 // CHECK-LP64: call void @_Z1gM1CFvvE
68 
69 // CHECK-LP32: call i64 @_ZN1XcvM1BFvvEEv
70 // CHECK-LP32: call void @_Z1gM1CFvvE
71