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//==- MemProfContextDisambiguation.h - Context Disambiguation ----*- 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
//
//===----------------------------------------------------------------------===//
//
// Implements support for context disambiguation of allocation calls for profile
// guided heap optimization using memprof metadata. See implementation file for
// details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_TRANSFORMS_IPO_MEMPROF_CONTEXT_DISAMBIGUATION_H
#define LLVM_TRANSFORMS_IPO_MEMPROF_CONTEXT_DISAMBIGUATION_H
#include "llvm/IR/GlobalValue.h"
#include "llvm/IR/ModuleSummaryIndex.h"
#include "llvm/IR/PassManager.h"
#include <functional>
namespace llvm {
class GlobalValueSummary;
class Module;
class OptimizationRemarkEmitter;
class MemProfContextDisambiguation
: public PassInfoMixin<MemProfContextDisambiguation> {
/// Run the context disambiguator on \p M, returns true if any changes made.
bool processModule(
Module &M,
function_ref<OptimizationRemarkEmitter &(Function *)> OREGetter);
/// In the ThinLTO backend, apply the cloning decisions in ImportSummary to
/// the IR.
bool applyImport(Module &M);
/// Import summary containing cloning decisions for the ThinLTO backend.
const ModuleSummaryIndex *ImportSummary;
// Owns the import summary specified by internal options for testing the
// ThinLTO backend via opt (to simulate distributed ThinLTO).
std::unique_ptr<ModuleSummaryIndex> ImportSummaryForTesting;
public:
MemProfContextDisambiguation(const ModuleSummaryIndex *Summary = nullptr);
PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM);
void run(ModuleSummaryIndex &Index,
function_ref<bool(GlobalValue::GUID, const GlobalValueSummary *)>
isPrevailing);
};
} // end namespace llvm
#endif // LLVM_TRANSFORMS_IPO_MEMPROF_CONTEXT_DISAMBIGUATION_H
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