116 lines
2.4 KiB
C++
116 lines
2.4 KiB
C++
// RUN: clang-cc -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-cc -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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// RUN: true
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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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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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// CHECK-LP64: .globl __ZN1ScviEv
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// CHECK-LP64-NEXT: __ZN1ScviEv:
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// CHECK-LP64: call __ZN1Ycv1ZEv
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// CHECK-LP64: call __ZN1Zcv1XEv
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// CHECK-LP64: call __ZN1XcviEv
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// CHECK-LP64: call __ZN1XcvfEv
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// CHECK-LP64: call __ZN2XBcviEv
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// CHECK-LP64: call __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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