void printPostfixForExternalizedDecl(llvm::raw_ostream &OS,
const Decl *D) const;
+ /// Move some lazily-emitted states to the NewBuilder. This is especially
+ /// essential for the incremental parsing environment like Clang Interpreter,
+ /// because we'll lose all important information after each repl.
+ void moveLazyEmissionStates(CodeGenModule *NewBuilder) {
+ assert(DeferredDeclsToEmit.empty() &&
+ "Should have emitted all decls deferred to emit.");
+ assert(NewBuilder->DeferredDecls.empty() &&
+ "Newly created module should not have deferred decls");
+ NewBuilder->DeferredDecls = std::move(DeferredDecls);
+
+ assert(NewBuilder->DeferredVTables.empty() &&
+ "Newly created module should not have deferred vtables");
+ NewBuilder->DeferredVTables = std::move(DeferredVTables);
+
+ assert(NewBuilder->MangledDeclNames.empty() &&
+ "Newly created module should not have mangled decl names");
+ assert(NewBuilder->Manglings.empty() &&
+ "Newly created module should not have manglings");
+ NewBuilder->Manglings = std::move(Manglings);
+
+ assert(WeakRefReferences.empty() &&
+ "Not all WeakRefRefs have been applied");
+ NewBuilder->WeakRefReferences = std::move(WeakRefReferences);
+
+ NewBuilder->TBAA = std::move(TBAA);
+ }
+
private:
llvm::Constant *GetOrCreateLLVMFunction(
StringRef MangledName, llvm::Type *Ty, GlobalDecl D, bool ForVTable,
llvm::LLVMContext &C) {
assert(!M && "Replacing existing Module?");
M.reset(new llvm::Module(ExpandModuleName(ModuleName, CodeGenOpts), C));
+
+ std::unique_ptr<CodeGenModule> OldBuilder = std::move(Builder);
+
Initialize(*Ctx);
+
+ if (OldBuilder)
+ OldBuilder->moveLazyEmissionStates(Builder.get());
+
return M.get();
}