Reland 192220 "Abstract out parts of thunk emission code, add support for simple thunks when using -cxx-abi microsoft" with relaxed assertions
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@192285 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/MicrosoftCXXABI.cpp b/lib/CodeGen/MicrosoftCXXABI.cpp
index 1d73b21..7452c86 100644
--- a/lib/CodeGen/MicrosoftCXXABI.cpp
+++ b/lib/CodeGen/MicrosoftCXXABI.cpp
@@ -173,8 +173,20 @@
CXXDtorType DtorType, SourceLocation CallLoc,
llvm::Value *This);
+ void adjustCallArgsForDestructorThunk(CodeGenFunction &CGF, GlobalDecl GD,
+ CallArgList &CallArgs) {
+ assert(GD.getDtorType() == Dtor_Deleting &&
+ "Only deleting destructor thunks are available in this ABI");
+ CallArgs.add(RValue::get(getStructorImplicitParamValue(CGF)),
+ CGM.getContext().IntTy);
+ }
+
void emitVirtualInheritanceTables(const CXXRecordDecl *RD);
+ void setThunkLinkage(llvm::Function *Thunk, bool ForVTable) {
+ Thunk->setLinkage(llvm::GlobalValue::WeakAnyLinkage);
+ }
+
void EmitGuardedInit(CodeGenFunction &CGF, const VarDecl &D,
llvm::GlobalVariable *DeclPtr,
bool PerformInit);