1//===----------- DeviceOffload.h - Device Offloading ------------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file implements classes required for offloading to CUDA devices.
10//
11//===----------------------------------------------------------------------===//
12
13#ifndef LLVM_CLANG_LIB_INTERPRETER_DEVICE_OFFLOAD_H
14#define LLVM_CLANG_LIB_INTERPRETER_DEVICE_OFFLOAD_H
15
16#include "IncrementalParser.h"
17#include "llvm/Support/FileSystem.h"
18#include "llvm/Support/VirtualFileSystem.h"
19
20namespace clang {
21struct PartialTranslationUnit;
22class CompilerInstance;
23class CodeGenOptions;
24class TargetOptions;
25class IncrementalAction;
26
27class IncrementalCUDADeviceParser : public IncrementalParser {
28
29public:
30 IncrementalCUDADeviceParser(
31 CompilerInstance &DeviceInstance, CompilerInstance &HostInstance,
32 IncrementalAction *DeviceAct,
33 llvm::IntrusiveRefCntPtr<llvm::vfs::InMemoryFileSystem> VFS,
34 llvm::Error &Err, std::list<PartialTranslationUnit> &PTUs);
35
36 // Generate PTX for the last PTU.
37 llvm::Expected<llvm::StringRef> GeneratePTX();
38
39 // Generate fatbinary contents in memory
40 llvm::Error GenerateFatbinary();
41
42 ~IncrementalCUDADeviceParser();
43
44protected:
45 int SMVersion;
46 llvm::SmallString<1024> PTXCode;
47 llvm::SmallVector<char, 1024> FatbinContent;
48 llvm::IntrusiveRefCntPtr<llvm::vfs::InMemoryFileSystem> VFS;
49 CodeGenOptions &CodeGenOpts; // Intentionally a reference.
50 const TargetOptions &TargetOpts;
51};
52
53} // namespace clang
54
55#endif // LLVM_CLANG_LIB_INTERPRETER_DEVICE_OFFLOAD_H
56