1 // RUN: %clang_cc1 -triple x86_64-apple-darwin -std=c++11 -emit-llvm %s -o - | \
2 // RUN: FileCheck %s
3 // RUN: %clang_cc1 -triple i386-apple-darwin -std=c++11 -emit-llvm %s -o - | \
4 // RUN: FileCheck %s
5
6 extern "C" int printf(...);
7
f1(int arg)8 int f1(int arg) { return arg; };
9
f2(float arg)10 int f2(float arg) { return int(arg); };
11
12 typedef int (*fp1)(int);
13
14 typedef int (*fp2)(float);
15
16 struct A {
operator fp1A17 operator fp1() { return f1; }
operator fp2A18 operator fp2() { return f2; }
19 } a;
20
21
22 // Test for function reference.
23 typedef int (&fr1)(int);
24 typedef int (&fr2)(float);
25
26 struct B {
operator fr1B27 operator fr1() { return f1; }
operator fr2B28 operator fr2() { return f2; }
29 } b;
30
main()31 int main()
32 {
33 int i = a(10); // Calls f1 via pointer returned from conversion function
34 printf("i = %d\n", i);
35
36 int j = b(20); // Calls f1 via pointer returned from conversion function
37 printf("j = %d\n", j);
38 return 0;
39 }
40
41 // CHECK: call i32 (i32)* @_ZN1AcvPFiiEEv
42 // CHECK: call i32 (i32)* @_ZN1BcvRFiiEEv
43