[clang] [clang-repl] Implement IncrementalHIPDeviceParser for HIP device compilation (PR #218337)

[Aditya Sinha via cfe-commits]

================
@@ -6,24 +6,55 @@
 //
 //===----------------------------------------------------------------------===//
 //
-// This file implements classes required for offloading to CUDA devices.
+// This file implements classes required for offloading to HIP and CUDA devices.
 //
 //===----------------------------------------------------------------------===//
 
 #ifndef LLVM_CLANG_LIB_INTERPRETER_DEVICE_OFFLOAD_H
 #define LLVM_CLANG_LIB_INTERPRETER_DEVICE_OFFLOAD_H
 
 #include "IncrementalParser.h"
-#include "llvm/Support/FileSystem.h"
+#include "llvm/Support/Error.h"
 #include "llvm/Support/VirtualFileSystem.h"
 
+#include <memory>
+
+namespace llvm {
+class TargetMachine;
+} // namespace llvm
+
 namespace clang {
 struct PartialTranslationUnit;
 class CompilerInstance;
 class CodeGenOptions;
 class TargetOptions;
 class IncrementalAction;
 
+class IncrementalHIPDeviceParser : public IncrementalParser {
+
+public:
+  IncrementalHIPDeviceParser(
+      CompilerInstance &DeviceInstance, CompilerInstance &HostInstance,
+      IncrementalAction *DeviceAct,
+      llvm::IntrusiveRefCntPtr<llvm::vfs::InMemoryFileSystem> VFS,
+      llvm::Error &Err, std::list<PartialTranslationUnit> &PTUs);
+
+  llvm::Expected<TranslationUnitDecl *> Parse(llvm::StringRef Input) override;
+
+  llvm::Expected<llvm::StringRef> GenerateHSACO();
----------------
AdityaSinha149 wrote:

Added an interface called `IncrementalDeviceParser` and both the CUDA and HIP device parsers now implement it.

https://github.com/llvm/llvm-project/pull/218337