82 lines
2.4 KiB
C++
82 lines
2.4 KiB
C++
//===- CycleAnalysis.h - Cycle Info for LLVM IR -----------------*- 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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///
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/// This file declares an analysis pass that computes CycleInfo for
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/// LLVM IR, specialized from GenericCycleInfo.
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///
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_ANALYSIS_CYCLEANALYSIS_H
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#define LLVM_ANALYSIS_CYCLEANALYSIS_H
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#include "llvm/IR/CycleInfo.h"
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#include "llvm/IR/PassManager.h"
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#include "llvm/Pass.h"
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namespace llvm {
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/// Legacy analysis pass which computes a \ref CycleInfo.
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class LLVM_ABI CycleInfoWrapperPass : public FunctionPass {
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Function *F = nullptr;
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CycleInfo CI;
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public:
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static char ID;
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CycleInfoWrapperPass();
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CycleInfo &getResult() { return CI; }
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const CycleInfo &getResult() const { return CI; }
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bool runOnFunction(Function &F) override;
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void getAnalysisUsage(AnalysisUsage &AU) const override;
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void releaseMemory() override;
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void print(raw_ostream &OS, const Module *M = nullptr) const override;
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// TODO: verify analysis?
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};
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/// Analysis pass which computes a \ref CycleInfo.
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class CycleAnalysis : public AnalysisInfoMixin<CycleAnalysis> {
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friend AnalysisInfoMixin<CycleAnalysis>;
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static AnalysisKey Key;
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public:
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/// Provide the result typedef for this analysis pass.
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using Result = CycleInfo;
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using LegacyWrapper = CycleInfoWrapperPass;
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/// Run the analysis pass over a function and produce a dominator tree.
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LLVM_ABI CycleInfo run(Function &F, FunctionAnalysisManager &);
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LLVM_ABI bool invalidate(Function &F, const PreservedAnalyses &PA,
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FunctionAnalysisManager::Invalidator &);
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// TODO: verify analysis?
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};
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class CycleInfoPrinterPass
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: public RequiredPassInfoMixin<CycleInfoPrinterPass> {
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raw_ostream &OS;
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public:
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LLVM_ABI explicit CycleInfoPrinterPass(raw_ostream &OS);
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LLVM_ABI PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
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};
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struct CycleInfoVerifierPass
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: public RequiredPassInfoMixin<CycleInfoVerifierPass> {
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LLVM_ABI PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
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};
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} // end namespace llvm
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#endif // LLVM_ANALYSIS_CYCLEANALYSIS_H
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