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to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351636
81 lines
2.5 KiB
C++
81 lines
2.5 KiB
C++
//===- ModuleSummaryAnalysis.h - Module summary index builder ---*- 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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/// \file
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/// This is the interface to build a ModuleSummaryIndex for a module.
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///
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_ANALYSIS_MODULESUMMARYANALYSIS_H
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#define LLVM_ANALYSIS_MODULESUMMARYANALYSIS_H
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#include "llvm/ADT/Optional.h"
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#include "llvm/IR/ModuleSummaryIndex.h"
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#include "llvm/IR/PassManager.h"
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#include "llvm/Pass.h"
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#include <functional>
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namespace llvm {
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class BlockFrequencyInfo;
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class Function;
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class Module;
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class ProfileSummaryInfo;
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/// Direct function to compute a \c ModuleSummaryIndex from a given module.
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///
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/// If operating within a pass manager which has defined ways to compute the \c
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/// BlockFrequencyInfo for a given function, that can be provided via
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/// a std::function callback. Otherwise, this routine will manually construct
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/// that information.
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ModuleSummaryIndex buildModuleSummaryIndex(
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const Module &M,
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std::function<BlockFrequencyInfo *(const Function &F)> GetBFICallback,
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ProfileSummaryInfo *PSI);
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/// Analysis pass to provide the ModuleSummaryIndex object.
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class ModuleSummaryIndexAnalysis
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: public AnalysisInfoMixin<ModuleSummaryIndexAnalysis> {
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friend AnalysisInfoMixin<ModuleSummaryIndexAnalysis>;
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static AnalysisKey Key;
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public:
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using Result = ModuleSummaryIndex;
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Result run(Module &M, ModuleAnalysisManager &AM);
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};
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/// Legacy wrapper pass to provide the ModuleSummaryIndex object.
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class ModuleSummaryIndexWrapperPass : public ModulePass {
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Optional<ModuleSummaryIndex> Index;
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public:
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static char ID;
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ModuleSummaryIndexWrapperPass();
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/// Get the index built by pass
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ModuleSummaryIndex &getIndex() { return *Index; }
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const ModuleSummaryIndex &getIndex() const { return *Index; }
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bool runOnModule(Module &M) override;
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bool doFinalization(Module &M) override;
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void getAnalysisUsage(AnalysisUsage &AU) const override;
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};
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//===--------------------------------------------------------------------===//
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//
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// createModuleSummaryIndexWrapperPass - This pass builds a ModuleSummaryIndex
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// object for the module, to be written to bitcode or LLVM assembly.
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//
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ModulePass *createModuleSummaryIndexWrapperPass();
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} // end namespace llvm
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#endif // LLVM_ANALYSIS_MODULESUMMARYANALYSIS_H
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