121 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			121 lines
		
	
	
		
			2.4 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 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 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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S::operator int() {
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  return 10;
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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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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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X x;
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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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Z z;
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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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Y y;
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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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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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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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  int d = (X)((Z)y);
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  printf("d = %d\n", d);
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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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// 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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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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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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struct A {
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  operator int() const;
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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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// 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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