78 lines
2.6 KiB
C++
78 lines
2.6 KiB
C++
//===- MachineCycleAnalysis.h - Cycle Info for Machine 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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//
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// This file defines the MachineCycleInfo class, which is a thin wrapper over
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// the Machine IR instance of GenericCycleInfo.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CODEGEN_MACHINECYCLEANALYSIS_H
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#define LLVM_CODEGEN_MACHINECYCLEANALYSIS_H
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#include "llvm/ADT/GenericCycleInfo.h"
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#include "llvm/CodeGen/MachineFunctionPass.h"
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#include "llvm/CodeGen/MachinePassManager.h"
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#include "llvm/CodeGen/MachineSSAContext.h"
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#include "llvm/Support/Compiler.h"
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namespace llvm {
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class MachineCycleInfo : public GenericCycleInfo<MachineSSAContext> {};
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using MachineCycle = MachineCycleInfo::CycleT;
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/// Legacy analysis pass which computes a \ref MachineCycleInfo.
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class LLVM_ABI MachineCycleInfoWrapperPass : public MachineFunctionPass {
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MachineFunction *F = nullptr;
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MachineCycleInfo CI;
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public:
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static char ID;
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MachineCycleInfoWrapperPass();
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MachineCycleInfo &getCycleInfo() { return CI; }
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const MachineCycleInfo &getCycleInfo() const { return CI; }
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bool runOnMachineFunction(MachineFunction &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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};
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// TODO: add this function to GenericCycle template after implementing IR
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// version.
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LLVM_ABI bool isCycleInvariant(const MachineCycle *Cycle, MachineInstr &I);
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class MachineCycleAnalysis : public AnalysisInfoMixin<MachineCycleAnalysis> {
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friend AnalysisInfoMixin<MachineCycleAnalysis>;
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LLVM_ABI static AnalysisKey Key;
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public:
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using Result = MachineCycleInfo;
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LLVM_ABI Result run(MachineFunction &MF,
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MachineFunctionAnalysisManager &MFAM);
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LLVM_ABI bool invalidate(MachineFunction &, const PreservedAnalyses &PA,
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MachineFunctionAnalysisManager::Invalidator &);
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};
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class MachineCycleInfoPrinterPass
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: public RequiredPassInfoMixin<MachineCycleInfoPrinterPass> {
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raw_ostream &OS;
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public:
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explicit MachineCycleInfoPrinterPass(raw_ostream &OS) : OS(OS) {}
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LLVM_ABI PreservedAnalyses run(MachineFunction &MF,
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MachineFunctionAnalysisManager &MFAM);
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};
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} // end namespace llvm
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#endif // LLVM_CODEGEN_MACHINECYCLEANALYSIS_H
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