From 222e2a7620e6520ffaf4fc4e69d79c18da31542e Mon Sep 17 00:00:00 2001 From: "Zancanaro; Carlo" Date: Mon, 24 Sep 2012 09:58:17 +1000 Subject: Add the clang library to the repo (with some of my changes, too). --- clang/test/CodeGenCXX/ptr-to-member-function.cpp | 71 ++++++++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 clang/test/CodeGenCXX/ptr-to-member-function.cpp (limited to 'clang/test/CodeGenCXX/ptr-to-member-function.cpp') diff --git a/clang/test/CodeGenCXX/ptr-to-member-function.cpp b/clang/test/CodeGenCXX/ptr-to-member-function.cpp new file mode 100644 index 0000000..3989c03 --- /dev/null +++ b/clang/test/CodeGenCXX/ptr-to-member-function.cpp @@ -0,0 +1,71 @@ +// REQUIRES: x86-registered-target,x86-64-registered-target +// RUN: %clang_cc1 -triple x86_64-apple-darwin -std=c++11 -S %s -o %t-64.s +// RUN: FileCheck -check-prefix LP64 --input-file=%t-64.s %s +// RUN: %clang_cc1 -triple i386-apple-darwin -std=c++11 -S %s -o %t-32.s +// RUN: FileCheck -check-prefix LP32 --input-file=%t-32.s %s +// 13.3.3.2 Ranking implicit conversion sequences + +extern "C" int printf(...); + +struct A { +int Ai; +bool foo(int* arg) const; +}; + +bool A::foo(int* arg) const { + printf("A::foo(%d)\n", *arg); + return true; +} + +struct B : public A { + void bf() { printf("B::bf called\n"); } +}; + +struct C : public B { }; + +// conversion of B::* to C::* is better than conversion of A::* to C::* +typedef void (A::*pmfa)(); +typedef void (B::*pmfb)(); +typedef void (C::*pmfc)(); + +struct X { + operator pmfa(); + operator pmfb() { + return &B::bf; + } +}; + + +void g(pmfc pm) { + C c; + (c.*pm)(); +} + +void test2(X x) +{ + g(x); +} + +struct B1 { + bool (A::*pmf)(int*) const; + + B1(int i) : pmf(&A::foo), im(i) { + ((A*)this->*pmf)(&im); + } + + int im; +}; + +int main() +{ + X x; + test2(x); + B1 b = B1(1); + B1 c = B1(2); +} + +// CHECK-LP64: callq __ZN1XcvM1BFvvEEv +// CHECK-LP64: callq __Z1gM1CFvvE + +// CHECK-LP32: calll L__ZN1XcvM1BFvvEEv +// CHECK-LP32: calll __Z1gM1CFvvE -- cgit v1.2.3