46 lines
1.6 KiB
C++
46 lines
1.6 KiB
C++
//===- ThinLTOBitcodeWriter.h - Bitcode writing pass for ThinLTO ----------===//
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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 pass prepares a module containing type metadata for ThinLTO by splitting
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// it into regular and thin LTO parts if possible, and writing both parts to
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// a multi-module bitcode file. Modules that do not contain type metadata are
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// written unmodified as a single module.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TRANSFORMS_IPO_THINLTOBITCODEWRITER_H
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#define LLVM_TRANSFORMS_IPO_THINLTOBITCODEWRITER_H
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#include "llvm/Support/Compiler.h"
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#include <llvm/IR/PassManager.h>
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namespace llvm {
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class Module;
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class raw_ostream;
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class ThinLTOBitcodeWriterPass
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: public RequiredPassInfoMixin<ThinLTOBitcodeWriterPass> {
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raw_ostream &OS;
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raw_ostream *ThinLinkOS;
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const bool ShouldPreserveUseListOrder;
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public:
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// Writes bitcode to OS. Also write thin link file to ThinLinkOS, if
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// it's not nullptr.
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ThinLTOBitcodeWriterPass(raw_ostream &OS, raw_ostream *ThinLinkOS,
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bool ShouldPreserveUseListOrder = false)
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: OS(OS), ThinLinkOS(ThinLinkOS),
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ShouldPreserveUseListOrder(ShouldPreserveUseListOrder) {}
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LLVM_ABI PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM);
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};
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} // namespace llvm
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#endif
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