fix codegen opts

Author: anutosh491

clang/lib/Interpreter/DeviceOffload.cpp

@@ -30,7 +30,7 @@ IncrementalCUDADeviceParser::IncrementalCUDADeviceParser(
     llvm::IntrusiveRefCntPtr<llvm::vfs::InMemoryFileSystem> FS,
     llvm::Error &Err, std::list<PartialTranslationUnit> &PTUs)
     : IncrementalParser(*DeviceInstance, Err), PTUs(PTUs), VFS(FS),
-      CodeGenOpts(DeviceInstance->getCodeGenOpts()),
+      CodeGenOpts(HostInstance.getCodeGenOpts()),
       TargetOpts(DeviceInstance->getTargetOpts()) {
   if (Err)
     return;
@@ -73,16 +73,6 @@ IncrementalCUDADeviceParser::Parse(llvm::StringRef Input) {
   return PTU;
 }
 
-PartialTranslationUnit &
-IncrementalCUDADeviceParser::RegisterPTU(TranslationUnitDecl *TU) {
-  llvm::errs() << "[CUDA] RegisterPTU called. TU = " << TU << "\n";
-  PTUs.push_back(PartialTranslationUnit());
-  llvm::errs() << "[CUDA] PTUs size after push: " << PTUs.size() << "\n";
-  PartialTranslationUnit &LastPTU = PTUs.back();
-  LastPTU.TUPart = TU;
-  return LastPTU;
-}
-
 llvm::Expected<llvm::StringRef> IncrementalCUDADeviceParser::GeneratePTX() {
   llvm::errs() << "[CUDA] Generating PTX. PTUs size: " << PTUs.size() << "\n";
   assert(!PTUs.empty() && "PTUs list is empty during PTX generation!");

clang/lib/Interpreter/DeviceOffload.h

@@ -41,9 +41,6 @@ class IncrementalCUDADeviceParser : public IncrementalParser {
   // Generate fatbinary contents in memory
   llvm::Error GenerateFatbinary();
 
-  PartialTranslationUnit &RegisterPTU(TranslationUnitDecl *TU);
-  // llvm::Expected<TranslationUnitDecl *> Parse(llvm::StringRef Input) override;
-
   ~IncrementalCUDADeviceParser();
 
 protected:

clang/lib/Interpreter/Interpreter.cpp

@@ -572,32 +572,8 @@ Interpreter::Parse(llvm::StringRef Code) {
     auto *CudaParser = llvm::cast<IncrementalCUDADeviceParser>(DeviceParser.get());
     llvm::errs() << "[CUDA] Registering device PTU...\n";
 
-    PartialTranslationUnit &DevicePTU = CudaParser->RegisterPTU(*DeviceTU);
-    FrontendAction *WrappedAct = Act->getWrapped();
-    if (!WrappedAct->hasIRSupport()) {
-      llvm::errs() << "[CUDA] Error: WrappedAct has no IR support!\n";
-      return llvm::make_error<llvm::StringError>(
-          "Device action has no IR support", llvm::inconvertibleErrorCode());
-    }
+    PartialTranslationUnit &DevicePTU = RegisterPTU(*DeviceTU);
 
-    CodeGenerator *CG = static_cast<CodeGenAction *>(WrappedAct)->getCodeGenerator();
-    if (!CG) {
-      llvm::errs() << "[CUDA] Error: CodeGen is null!\n";
-      return llvm::make_error<llvm::StringError>(
-          "Device CodeGen is null", llvm::inconvertibleErrorCode());
-    }
-    std::unique_ptr<llvm::Module> M(CG->ReleaseModule());
-    if (!M) {
-      llvm::errs() << "[CUDA] Error: Released module is null!\n";
-      return llvm::make_error<llvm::StringError>(
-          "Device LLVM module is null", llvm::inconvertibleErrorCode());
-    }
-    static unsigned ID = 0;
-    CG->StartModule("incr_module_" + std::to_string(ID++), M->getContext());
-    DevicePTU.TheModule = std::move(M);
-    llvm::errs() << "[CUDA] Assigned LLVM module to DevicePTU\n";
-    llvm::errs() << "[CUDA] Registered device PTU. TUPart=" << DevicePTU.TUPart << "\n";
-    llvm::errs() << "[CUDA] Generating PTX...\n";
     llvm::Expected<llvm::StringRef> PTX = CudaParser->GeneratePTX();
     if (!PTX)
       return PTX.takeError();