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//===- UniformityAnalysis.h ---------------------*- 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
//
//===----------------------------------------------------------------------===//
//
/// \file
/// \brief LLVM IR instance of the generic uniformity analysis
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_ANALYSIS_UNIFORMITYANALYSIS_H
#define LLVM_ANALYSIS_UNIFORMITYANALYSIS_H
#include "llvm/ADT/GenericUniformityInfo.h"
#include "llvm/Analysis/CycleAnalysis.h"
namespace llvm {
extern template class GenericUniformityInfo<SSAContext>;
using UniformityInfo = GenericUniformityInfo<SSAContext>;
/// Analysis pass which computes \ref UniformityInfo.
class UniformityInfoAnalysis
: public AnalysisInfoMixin<UniformityInfoAnalysis> {
friend AnalysisInfoMixin<UniformityInfoAnalysis>;
static AnalysisKey Key;
public:
/// Provide the result typedef for this analysis pass.
using Result = UniformityInfo;
/// Run the analysis pass over a function and produce a dominator tree.
UniformityInfo run(Function &F, FunctionAnalysisManager &);
// TODO: verify analysis
};
/// Printer pass for the \c UniformityInfo.
class UniformityInfoPrinterPass
: public PassInfoMixin<UniformityInfoPrinterPass> {
raw_ostream &OS;
public:
explicit UniformityInfoPrinterPass(raw_ostream &OS);
PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
static bool isRequired() { return true; }
};
/// Legacy analysis pass which computes a \ref CycleInfo.
class UniformityInfoWrapperPass : public FunctionPass {
Function *m_function = nullptr;
UniformityInfo m_uniformityInfo;
public:
static char ID;
UniformityInfoWrapperPass();
UniformityInfo &getUniformityInfo() { return m_uniformityInfo; }
const UniformityInfo &getUniformityInfo() const { return m_uniformityInfo; }
bool runOnFunction(Function &F) override;
void getAnalysisUsage(AnalysisUsage &AU) const override;
void releaseMemory() override;
void print(raw_ostream &OS, const Module *M = nullptr) const override;
// TODO: verify analysis
};
} // namespace llvm
#endif // LLVM_ANALYSIS_UNIFORMITYANALYSIS_H
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