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3f676674e7
Avoids the need to include TargetMachine.h from various places just for an enum. Various other enums live here, such as the optimization level, TLS model, etc. Data suggests that this change probably doesn't matter, but it seems nice to have anyway.
48 lines
1.7 KiB
C++
48 lines
1.7 KiB
C++
//===-- llvm/CodeGen/ParallelCG.h - Parallel code generation ----*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This header declares functions that can be used for parallel code generation.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CODEGEN_PARALLELCG_H
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#define LLVM_CODEGEN_PARALLELCG_H
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#include "llvm/Support/CodeGen.h"
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#include "llvm/Target/TargetMachine.h"
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#include <functional>
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namespace llvm {
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template <typename T> class ArrayRef;
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class Module;
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class TargetOptions;
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class raw_pwrite_stream;
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/// Split M into OSs.size() partitions, and generate code for each. Takes a
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/// factory function for the TargetMachine TMFactory. Writes OSs.size() output
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/// files to the output streams in OSs. The resulting output files if linked
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/// together are intended to be equivalent to the single output file that would
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/// have been code generated from M.
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///
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/// Writes bitcode for individual partitions into output streams in BCOSs, if
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/// BCOSs is not empty.
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///
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/// \returns M if OSs.size() == 1, otherwise returns std::unique_ptr<Module>().
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std::unique_ptr<Module>
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splitCodeGen(std::unique_ptr<Module> M, ArrayRef<raw_pwrite_stream *> OSs,
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ArrayRef<llvm::raw_pwrite_stream *> BCOSs,
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const std::function<std::unique_ptr<TargetMachine>()> &TMFactory,
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CodeGenFileType FileType = CGFT_ObjectFile,
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bool PreserveLocals = false);
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} // namespace llvm
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#endif
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