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[llvm][frontend][offloading] Move clang-linker-wrapper/OffloadWrapper.* to llvm/Frontend/Offloading #78057
[llvm][frontend][offloading] Move clang-linker-wrapper/OffloadWrapper.* to llvm/Frontend/Offloading #78057
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//===- OffloadWrapper.h --r-------------------------------------*- C++ -*-===// | ||
// | ||
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | ||
// See https://llvm.org/LICENSE.txt for license information. | ||
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | ||
// | ||
//===----------------------------------------------------------------------===// | ||
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#ifndef LLVM_FRONTEND_OFFLOADING_OFFLOADWRAPPER_H | ||
#define LLVM_FRONTEND_OFFLOADING_OFFLOADWRAPPER_H | ||
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#include "llvm/ADT/ArrayRef.h" | ||
#include "llvm/IR/Module.h" | ||
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namespace llvm { | ||
namespace offloading { | ||
/// Class for embedding and registering offloading images and related objects in | ||
/// a Module. | ||
class OffloadWrapper { | ||
public: | ||
using EntryArrayTy = std::pair<GlobalVariable *, GlobalVariable *>; | ||
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OffloadWrapper(const Twine &Suffix = "", bool EmitSurfacesAndTextures = true) | ||
: Suffix(Suffix.str()), EmitSurfacesAndTextures(EmitSurfacesAndTextures) { | ||
} | ||
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/// Wraps the input device images into the module \p M as global symbols and | ||
/// registers the images with the OpenMP Offloading runtime libomptarget. | ||
/// \param EntryArray Optional pair pointing to the `__start` and `__stop` | ||
/// symbols holding the `__tgt_offload_entry` array. | ||
llvm::Error wrapOpenMPBinaries( | ||
llvm::Module &M, llvm::ArrayRef<llvm::ArrayRef<char>> Images, | ||
std::optional<EntryArrayTy> EntryArray = std::nullopt) const; | ||
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/// Wraps the input fatbinary image into the module \p M as global symbols and | ||
/// registers the images with the CUDA runtime. | ||
/// \param EntryArray Optional pair pointing to the `__start` and `__stop` | ||
/// symbols holding the `__tgt_offload_entry` array. | ||
llvm::Error | ||
wrapCudaBinary(llvm::Module &M, llvm::ArrayRef<char> Images, | ||
std::optional<EntryArrayTy> EntryArray = std::nullopt) const; | ||
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/// Wraps the input bundled image into the module \p M as global symbols and | ||
/// registers the images with the HIP runtime. | ||
/// \param EntryArray Optional pair pointing to the `__start` and `__stop` | ||
/// symbols holding the `__tgt_offload_entry` array. | ||
llvm::Error | ||
wrapHIPBinary(llvm::Module &M, llvm::ArrayRef<char> Images, | ||
std::optional<EntryArrayTy> EntryArray = std::nullopt) const; | ||
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protected: | ||
/// Suffix used when emitting symbols. It defaults to the empty string. | ||
std::string Suffix; | ||
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/// Whether to emit surface and textures registration code. It defaults to | ||
/// false. | ||
bool EmitSurfacesAndTextures; | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. So, I wasn't sure about this either. I know that CUDA emits these |
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}; | ||
} // namespace offloading | ||
} // namespace llvm | ||
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#endif // LLVM_FRONTEND_OFFLOADING_OFFLOADWRAPPER_H |
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I feel like these should just be free functions and the extra two bits of state here are additional default arguments like you've done with
EntryArray
.