зеркало из https://github.com/microsoft/clang-1.git
72 строки
1.3 KiB
C++
72 строки
1.3 KiB
C++
// REQUIRES: x86-registered-target,x86-64-registered-target
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// 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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extern "C" int printf(...);
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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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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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struct B : public A {
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void bf() { printf("B::bf called\n"); }
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};
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struct C : public B { };
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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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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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void g(pmfc pm) {
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C c;
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(c.*pm)();
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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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struct B1 {
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bool (A::*pmf)(int*) const;
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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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int im;
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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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// CHECK-LP64: callq __ZN1XcvM1BFvvEEv
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// CHECK-LP64: callq __Z1gM1CFvvE
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// CHECK-LP32: calll L__ZN1XcvM1BFvvEEv
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// CHECK-LP32: calll __Z1gM1CFvvE
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