forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			71 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			71 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C++
		
	
	
	
| // RUN: %clang_cc1 -triple x86_64-apple-darwin -std=c++0x -S %s -o %t-64.s
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| // RUN: FileCheck -check-prefix LP64 --input-file=%t-64.s %s
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| // RUN: %clang_cc1 -triple i386-apple-darwin -std=c++0x -S %s -o %t-32.s
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| // RUN: FileCheck -check-prefix LP32 --input-file=%t-32.s %s
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| // 13.3.3.2 Ranking implicit conversion sequences
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| 
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| extern "C" int printf(...);
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| 
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| struct A {
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| int Ai;
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| bool foo(int* arg) const;
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| }; 
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| 
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| bool A::foo(int* arg) const {
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|     printf("A::foo(%d)\n", *arg);
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|     return true;
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| }
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| 
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| struct B : public A {
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|   void bf() { printf("B::bf called\n"); }
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| }; 
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| 
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| struct C : public B { }; 
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| 
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| // conversion of B::* to C::* is better than conversion of A::* to C::*
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| typedef void (A::*pmfa)();
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| typedef void (B::*pmfb)();
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| typedef void (C::*pmfc)();
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| 
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| struct X {
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| 	operator pmfa();
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| 	operator pmfb() {
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| 	  return &B::bf;
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|         }
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| };
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| 
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| 
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| void g(pmfc pm) {
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|   C c;
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|   (c.*pm)();
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| }
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| 
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| void test2(X x) 
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| {
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|     g(x);
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| }
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| 
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| struct B1 {
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|   bool (A::*pmf)(int*) const;
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| 
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|   B1(int i) : pmf(&A::foo), im(i) {
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|     ((A*)this->*pmf)(&im);
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|   }
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| 
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|   int im;
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| };
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| 
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| int main()
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| {
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| 	X x;
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| 	test2(x);
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|         B1 b = B1(1);
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|   	B1 c = B1(2);
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| }
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| 
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| // CHECK-LP64: callq	__ZN1XcvM1BFvvEEv
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| // CHECK-LP64: callq	__Z1gM1CFvvE
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| 
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| // CHECK-LP32: calll	L__ZN1XcvM1BFvvEEv
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| // CHECK-LP32: calll	__Z1gM1CFvvE
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