forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			121 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			121 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			C++
		
	
	
	
| // RUN: %clang_cc1 -triple x86_64-apple-darwin -std=c++11 -S %s -o %t-64.s
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| // RUN: FileCheck -check-prefix CHECK-LP64 --input-file=%t-64.s %s
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| // RUN: %clang_cc1 -triple i386-apple-darwin -std=c++11 -S %s -o %t-32.s
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| // RUN: FileCheck -check-prefix CHECK-LP32 --input-file=%t-32.s %s
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| // XFAIL: *
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| extern "C" int printf(...);
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| struct S {
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|   operator int();
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| };
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| 
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| S::operator int() {
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|   return 10;
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| }
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| 
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| int f(S s) {
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|   return s;
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| }
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| 
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| class X { // ...
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|   public: operator int() { printf("operator int()\n"); return iX; }
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|   public: operator float() { printf("operator float()\n"); return fX; }
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|   X() : iX(100), fX(1.234)  {}
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|   int iX;
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|   float fX;
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| };
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| 
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| X x;
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| 
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| struct Z {
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|     operator X() { printf("perator X()\n"); x.iX += iZ; x.fX += fZ; return x; }
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|     int iZ;
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|     float fZ;
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|     Z() : iZ(1), fZ(1.00) {}
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| };
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| 
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| Z z;
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| 
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| class Y { // ...
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|   public: operator Z(){printf("perator Z()\n"); return z; }
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| };
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| 
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| Y y;
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| 
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| int count=0;
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| class O { // ...
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| public: 
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|   operator int(){ return ++iO; }
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|   O() : iO(count++) {}
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|   int iO;
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| };
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| 
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| void g(O a, O b) {
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|   int i = (a) ? 1+a : 0; 
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|   int j = (a&&b) ? a+b : i; 
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|   if (a) { }
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|   printf("i = %d j = %d a.iO = %d b.iO = %d\n", i, j, a.iO, b.iO);
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| }
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| 
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| int main() {
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|   int c = X(Z(y)); // OK: y.operator Z().operator X().operator int()
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|   printf("c = %d\n", c);
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|   float f = X(Z(y));
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|   printf("f = %f\n", f);
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|   int i = x;
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|   printf("i = %d float = %f\n", i, float(x));
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|   i = int(X(Z(y)));
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|   f = float(X(Z(y)));
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|   printf("i = %d float = %f\n", i,f);
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|   f = (float)x;
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|   i = (int)x;
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|   printf("i = %d float = %f\n", i,f);
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| 
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|   int d = (X)((Z)y);
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|   printf("d = %d\n", d);
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| 
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|   int e = (int)((X)((Z)y));
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|   printf("e = %d\n", e);
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|   O o1, o2;
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|   g(o1, o2);
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| }
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| 
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| // Test. Conversion in base class is visible in derived class.
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| class XB {
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|   int a;
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| public:
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|   operator int();
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| };
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| 
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| class Yb : public XB {
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|   double b;
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| public:
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|   operator char();
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| };
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| 
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| void f(Yb& a) {
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|   int i = a; // OK. calls XB::operator int();
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|   char ch = a;  // OK. calls Yb::operator char();
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| }
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| 
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| struct A {
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|   operator int() const;
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| };
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| 
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| // CHECK-LP64: .globl __ZN1ScviEv
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| // CHECK-LP64-NEXT: __ZN1ScviEv:
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| // CHECK-LP64: callq __ZN1Ycv1ZEv
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| // CHECK-LP64: callq __ZN1Zcv1XEv
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| // CHECK-LP64: callq __ZN1XcviEv
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| // CHECK-LP64: callq __ZN1XcvfEv
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| // CHECK-LP64: callq __ZN2XBcviEv
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| // CHECK-LP64: callq __ZN2YbcvcEv
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| 
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| // CHECK-LP32: .globl  __ZN1ScviEv
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| // CHECK-LP32-NEXT: __ZN1ScviEv:
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| // CHECK-LP32: call L__ZN1Ycv1ZEv
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| // CHECK-LP32: call L__ZN1Zcv1XEv
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| // CHECK-LP32: call L__ZN1XcviEv
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| // CHECK-LP32: call L__ZN1XcvfEv
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| // CHECK-LP32: call L__ZN2XBcviEv
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| // CHECK-LP32: call L__ZN2YbcvcEv
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