121 lines · cpp
1// RUN: %clang_cc1 -triple x86_64-apple-darwin -std=c++11 -S %s -o %t-64.s2// RUN: FileCheck -check-prefix CHECK-LP64 --input-file=%t-64.s %s3// RUN: %clang_cc1 -triple i386-apple-darwin -std=c++11 -S %s -o %t-32.s4// RUN: FileCheck -check-prefix CHECK-LP32 --input-file=%t-32.s %s5// XFAIL: *6extern "C" int printf(...);7struct S {8 operator int();9};10 11S::operator int() {12 return 10;13}14 15int f(S s) {16 return s;17}18 19class X { // ...20 public: operator int() { printf("operator int()\n"); return iX; }21 public: operator float() { printf("operator float()\n"); return fX; }22 X() : iX(100), fX(1.234) {}23 int iX;24 float fX;25};26 27X x;28 29struct Z {30 operator X() { printf("perator X()\n"); x.iX += iZ; x.fX += fZ; return x; }31 int iZ;32 float fZ;33 Z() : iZ(1), fZ(1.00) {}34};35 36Z z;37 38class Y { // ...39 public: operator Z(){printf("perator Z()\n"); return z; }40};41 42Y y;43 44int count=0;45class O { // ...46public: 47 operator int(){ return ++iO; }48 O() : iO(count++) {}49 int iO;50};51 52void g(O a, O b) {53 int i = (a) ? 1+a : 0; 54 int j = (a&&b) ? a+b : i; 55 if (a) { }56 printf("i = %d j = %d a.iO = %d b.iO = %d\n", i, j, a.iO, b.iO);57}58 59int main() {60 int c = X(Z(y)); // OK: y.operator Z().operator X().operator int()61 printf("c = %d\n", c);62 float f = X(Z(y));63 printf("f = %f\n", f);64 int i = x;65 printf("i = %d float = %f\n", i, float(x));66 i = int(X(Z(y)));67 f = float(X(Z(y)));68 printf("i = %d float = %f\n", i,f);69 f = (float)x;70 i = (int)x;71 printf("i = %d float = %f\n", i,f);72 73 int d = (X)((Z)y);74 printf("d = %d\n", d);75 76 int e = (int)((X)((Z)y));77 printf("e = %d\n", e);78 O o1, o2;79 g(o1, o2);80}81 82// Test. Conversion in base class is visible in derived class.83class XB {84 int a;85public:86 operator int();87};88 89class Yb : public XB {90 double b;91public:92 operator char();93};94 95void f(Yb& a) {96 int i = a; // OK. calls XB::operator int();97 char ch = a; // OK. calls Yb::operator char();98}99 100struct A {101 operator int() const;102};103 104// CHECK-LP64: .globl __ZN1ScviEv105// CHECK-LP64-NEXT: __ZN1ScviEv:106// CHECK-LP64: callq __ZN1Ycv1ZEv107// CHECK-LP64: callq __ZN1Zcv1XEv108// CHECK-LP64: callq __ZN1XcviEv109// CHECK-LP64: callq __ZN1XcvfEv110// CHECK-LP64: callq __ZN2XBcviEv111// CHECK-LP64: callq __ZN2YbcvcEv112 113// CHECK-LP32: .globl __ZN1ScviEv114// CHECK-LP32-NEXT: __ZN1ScviEv:115// CHECK-LP32: call L__ZN1Ycv1ZEv116// CHECK-LP32: call L__ZN1Zcv1XEv117// CHECK-LP32: call L__ZN1XcviEv118// CHECK-LP32: call L__ZN1XcvfEv119// CHECK-LP32: call L__ZN2XBcviEv120// CHECK-LP32: call L__ZN2YbcvcEv121