lib/CodeGen/CGVTables.cpp

42 llvm::Constant *CodeGenModule::GetAddrOfThunk(GlobalDecl GD,
44   const CXXMethodDecl *MD = cast<CXXMethodDecl>(GD.getDecl());
50     getCXXABI().getMangleContext().mangleCXXDtorThunk(DD, GD.getDtorType(),
56   llvm::Type *Ty = getTypes().GetFunctionTypeForVTable(GD);
57   return GetOrCreateLLVMFunction(Name, Ty, GD, /*ForVTable=*/true);
177                                       GlobalDecl GD, const ThunkInfo &Thunk) {
178   const CXXMethodDecl *MD = cast<CXXMethodDecl>(GD.getDecl());
185   llvm::Value *Callee = CGM.GetAddrOfFunction(GD, Ty, /*ForVTable=*/true);
241 void CodeGenFunction::StartThunk(llvm::Function *Fn, GlobalDecl GD,
244   CurGD = GD;
247   const CXXMethodDecl *MD = cast<CXXMethodDecl>(GD.getDecl());
251     CGM.getCXXABI().HasThisReturn(GD) ? ThisType : FPT->getResultType();
272 void CodeGenFunction::EmitCallAndReturnForThunk(GlobalDecl GD,
277   const CXXMethodDecl *MD = cast<CXXMethodDecl>(GD.getDecl());
290     CGM.getCXXABI().adjustCallArgsForDestructorThunk(*this, GD, CallArgs);
319     CGM.getCXXABI().HasThisReturn(GD) ? ThisType : FPT->getResultType();
345                                     GlobalDecl GD, const ThunkInfo &Thunk) {
346   StartThunk(Fn, GD, FnInfo);
350     CGM.getTypes().GetFunctionType(CGM.getTypes().arrangeGlobalDeclaration(GD));
351   llvm::Value *Callee = CGM.GetAddrOfFunction(GD, Ty, /*ForVTable=*/true);
354   EmitCallAndReturnForThunk(GD, Callee, &Thunk);
357   CGM.setFunctionLinkage(GD, Fn);
360   const CXXMethodDecl *MD = cast<CXXMethodDecl>(GD.getDecl());
364 void CodeGenVTables::emitThunk(GlobalDecl GD, const ThunkInfo &Thunk,
366   const CGFunctionInfo &FnInfo = CGM.getTypes().arrangeGlobalDeclaration(GD);
369   llvm::Constant *Entry = CGM.GetAddrOfThunk(GD, Thunk);
380       CGM.getTypes().GetFunctionTypeForVTable(GD)) {
389     Entry = CGM.GetAddrOfThunk(GD, Thunk);
413     CGM.setFunctionLinkage(GD, ThunkFn);
417   CGM.SetLLVMFunctionAttributesForDefinition(GD.getDecl(), ThunkFn);
426       CodeGenFunction(CGM).GenerateVarArgsThunk(ThunkFn, FnInfo, GD, Thunk);
431     CodeGenFunction(CGM).GenerateThunk(ThunkFn, FnInfo, GD, Thunk);
436 void CodeGenVTables::maybeEmitThunkForVTable(GlobalDecl GD,
447   const CXXMethodDecl *MD = cast<CXXMethodDecl>(GD.getDecl());
452   emitThunk(GD, Thunk, /*ForVTable=*/true);
455 void CodeGenVTables::EmitThunks(GlobalDecl GD)
458     cast<CXXMethodDecl>(GD.getDecl())->getCanonicalDecl();
461   if (isa<CXXDestructorDecl>(MD) && GD.getDtorType() == Dtor_Base)
466     ThunkInfoVector = MicrosoftVTContext->getThunkInfo(GD);
468     ThunkInfoVector = ItaniumVTContext.getThunkInfo(GD);
475     emitThunk(GD, (*ThunkInfoVector)[I], /*ForVTable=*/false);
525       GlobalDecl GD;
532         GD = Component.getFunctionDecl();
535         GD = GlobalDecl(Component.getDestructorDecl(), Dtor_Complete);
538         GD = GlobalDecl(Component.getDestructorDecl(), Dtor_Deleting);
542       if (cast<CXXMethodDecl>(GD.getDecl())->isPure()) {
553       } else if (cast<CXXMethodDecl>(GD.getDecl())->isDeleted()) {
570           maybeEmitThunkForVTable(GD, Thunk);
571           Init = CGM.GetAddrOfThunk(GD, Thunk);
575           llvm::Type *Ty = CGM.getTypes().GetFunctionTypeForVTable(GD);
577           Init = CGM.GetAddrOfFunction(GD, Ty, /*ForVTable=*/true);