minix/external/bsd/llvm/dist/clang/test/CodeGenCXX/convert-to-fptr.cpp
Lionel Sambuc f4a2713ac8 Importing netbsd clang -- pristine
Change-Id: Ia40e9ffdf29b5dab2f122f673ff6802a58bc690f
2014-07-28 17:05:57 +02:00

47 lines
1.1 KiB
C++

// REQUIRES: x86-registered-target,x86-64-registered-target
// RUN: %clang_cc1 -triple x86_64-apple-darwin -std=c++11 -S %s -o %t-64.s
// RUN: FileCheck -check-prefix CHECK-LP64 --input-file=%t-64.s %s
// RUN: %clang_cc1 -triple i386-apple-darwin -std=c++11 -S %s -o %t-32.s
// RUN: FileCheck -check-prefix CHECK-LP32 --input-file=%t-32.s %s
extern "C" int printf(...);
int f1(int arg) { return arg; };
int f2(float arg) { return int(arg); };
typedef int (*fp1)(int);
typedef int (*fp2)(float);
struct A {
operator fp1() { return f1; }
operator fp2() { return f2; }
} a;
// Test for function reference.
typedef int (&fr1)(int);
typedef int (&fr2)(float);
struct B {
operator fr1() { return f1; }
operator fr2() { return f2; }
} b;
int main()
{
int i = a(10); // Calls f1 via pointer returned from conversion function
printf("i = %d\n", i);
int j = b(20); // Calls f1 via pointer returned from conversion function
printf("j = %d\n", j);
return 0;
}
// CHECK-LP64: callq __ZN1AcvPFiiEEv
// CHECK-LP64: callq __ZN1BcvRFiiEEv
// CHECK-LP32: calll L__ZN1AcvPFiiEEv
// CHECK-LP32: calll L__ZN1BcvRFiiEEv