forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			47 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			47 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			C++
		
	
	
	
| // RUN: %clang_cc1 -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_cc1 -triple i386-apple-darwin -std=c++0x -S %s -o %t-32.s
 | |
| // RUN: FileCheck -check-prefix 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
 | |
| 
 |