diff options
Diffstat (limited to 'clang/lib/CodeGen/ItaniumCXXABI.cpp')
| -rw-r--r-- | clang/lib/CodeGen/ItaniumCXXABI.cpp | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/ItaniumCXXABI.cpp b/clang/lib/CodeGen/ItaniumCXXABI.cpp index cdfe909f9d0..55814b455bb 100644 --- a/clang/lib/CodeGen/ItaniumCXXABI.cpp +++ b/clang/lib/CodeGen/ItaniumCXXABI.cpp @@ -113,6 +113,16 @@ public: CanQualType &ResTy, SmallVectorImpl<CanQualType> &ArgTys); + bool useThunkForDtorVariant(const CXXDestructorDecl *Dtor, + CXXDtorType DT) const { + // Itanium does not emit any destructor variant as an inline thunk. + // Delegating may occur as an optimization, but all variants are either + // emitted with external linkage or as linkonce if they are inline and used. + return false; + } + + void EmitCXXDestructors(const CXXDestructorDecl *D); + void BuildInstanceFunctionParams(CodeGenFunction &CGF, QualType &ResTy, FunctionArgList &Params); @@ -761,6 +771,22 @@ void ItaniumCXXABI::BuildDestructorSignature(const CXXDestructorDecl *Dtor, ArgTys.push_back(Context.getPointerType(Context.VoidPtrTy)); } +void ItaniumCXXABI::EmitCXXDestructors(const CXXDestructorDecl *D) { + // The destructor in a virtual table is always a 'deleting' + // destructor, which calls the complete destructor and then uses the + // appropriate operator delete. + if (D->isVirtual()) + CGM.EmitGlobal(GlobalDecl(D, Dtor_Deleting)); + + // The destructor used for destructing this as a most-derived class; + // call the base destructor and then destructs any virtual bases. + CGM.EmitGlobal(GlobalDecl(D, Dtor_Complete)); + + // The destructor used for destructing this as a base class; ignores + // virtual bases. + CGM.EmitGlobal(GlobalDecl(D, Dtor_Base)); +} + void ItaniumCXXABI::BuildInstanceFunctionParams(CodeGenFunction &CGF, QualType &ResTy, FunctionArgList &Params) { |
