From 0e650017acdbbeb0c590e77bbea88c200ea1caef Mon Sep 17 00:00:00 2001 From: Anders Carlsson Date: Sun, 17 May 2009 17:41:20 +0000 Subject: Add support for converting member pointer types to LLVM types. Also mangle pointer to member functions correctly and add tests. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71981 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/CodeGenTypes.cpp | 19 +++++++++++++------ 1 file changed, 13 insertions(+), 6 deletions(-) (limited to 'lib/CodeGen/CodeGenTypes.cpp') diff --git a/lib/CodeGen/CodeGenTypes.cpp b/lib/CodeGen/CodeGenTypes.cpp index a9d4615d2a..af791f6318 100644 --- a/lib/CodeGen/CodeGenTypes.cpp +++ b/lib/CodeGen/CodeGenTypes.cpp @@ -385,12 +385,19 @@ const llvm::Type *CodeGenTypes::ConvertNewType(QualType T) { return llvm::PointerType::get(PointeeType, FTy.getAddressSpace()); } - case Type::MemberPointer: - // FIXME: Implement C++ pointer-to-member. The GCC representation is - // documented here: - // http://gcc.gnu.org/onlinedocs/gccint/Type-Layout.html#Type-Layout - assert(0 && "FIXME: We can't handle member pointers yet."); - return llvm::OpaqueType::get(); + case Type::MemberPointer: { + // FIXME: This is ABI dependent. We use the Itanium C++ ABI. + // http://www.codesourcery.com/public/cxx-abi/abi.html#member-pointers + // If we ever want to support other ABIs this needs to be abstracted. + + QualType ETy = cast(Ty).getPointeeType(); + if (ETy->isFunctionType()) { + return llvm::StructType::get(ConvertType(Context.getPointerDiffType()), + ConvertType(Context.getPointerDiffType()), + NULL); + } else + return ConvertType(Context.getPointerDiffType()); + } case Type::TemplateSpecialization: assert(false && "Dependent types can't get here"); -- cgit v1.2.3-18-g5258