diff options
Diffstat (limited to 'clang/lib/CodeGen/MicrosoftCXXABI.cpp')
| -rw-r--r-- | clang/lib/CodeGen/MicrosoftCXXABI.cpp | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/MicrosoftCXXABI.cpp b/clang/lib/CodeGen/MicrosoftCXXABI.cpp index 537e4574dd6..6c9a6fdd615 100644 --- a/clang/lib/CodeGen/MicrosoftCXXABI.cpp +++ b/clang/lib/CodeGen/MicrosoftCXXABI.cpp @@ -53,6 +53,13 @@ public: void EmitInstanceFunctionProlog(CodeGenFunction &CGF); + RValue EmitVirtualDestructorCall(CodeGenFunction &CGF, + const CXXDestructorDecl *Dtor, + CXXDtorType DtorType, + SourceLocation CallLoc, + ReturnValueSlot ReturnValue, + llvm::Value *This); + void EmitGuardedInit(CodeGenFunction &CGF, const VarDecl &D, llvm::GlobalVariable *DeclPtr, bool PerformInit); @@ -174,6 +181,30 @@ void MicrosoftCXXABI::EmitInstanceFunctionProlog(CodeGenFunction &CGF) { } } +RValue MicrosoftCXXABI::EmitVirtualDestructorCall(CodeGenFunction &CGF, + const CXXDestructorDecl *Dtor, + CXXDtorType DtorType, + SourceLocation CallLoc, + ReturnValueSlot ReturnValue, + llvm::Value *This) { + assert(DtorType == Dtor_Deleting || DtorType == Dtor_Complete); + + // We have only one destructor in the vftable but can get both behaviors + // by passing an implicit bool parameter. + const CGFunctionInfo *FInfo + = &CGM.getTypes().arrangeCXXDestructor(Dtor, Dtor_Deleting); + llvm::Type *Ty = CGF.CGM.getTypes().GetFunctionType(*FInfo); + llvm::Value *Callee = CGF.BuildVirtualCall(Dtor, Dtor_Deleting, This, Ty); + + ASTContext &Context = CGF.getContext(); + llvm::Value *ImplicitParam + = llvm::ConstantInt::get(llvm::IntegerType::getInt1Ty(CGF.getLLVMContext()), + DtorType == Dtor_Deleting); + + return CGF.EmitCXXMemberCall(Dtor, CallLoc, Callee, ReturnValue, This, + ImplicitParam, Context.BoolTy, 0, 0); +} + bool MicrosoftCXXABI::requiresArrayCookie(const CXXDeleteExpr *expr, QualType elementType) { // Microsoft seems to completely ignore the possibility of a |
