| //===- MachineCycleAnalysis.h - Cycle Info for Machine IR -------*- 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 |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file defines the MachineCycleInfo class, which is a thin wrapper over |
| // the Machine IR instance of GenericCycleInfo. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_CODEGEN_MACHINECYCLEANALYSIS_H |
| #define LLVM_CODEGEN_MACHINECYCLEANALYSIS_H |
| |
| #include "llvm/ADT/GenericCycleInfo.h" |
| #include "llvm/CodeGen/MachineFunctionPass.h" |
| #include "llvm/CodeGen/MachineSSAContext.h" |
| |
| namespace llvm { |
| |
| extern template class GenericCycleInfo<MachineSSAContext>; |
| extern template class GenericCycle<MachineSSAContext>; |
| |
| using MachineCycleInfo = GenericCycleInfo<MachineSSAContext>; |
| using MachineCycle = MachineCycleInfo::CycleT; |
| |
| /// Legacy analysis pass which computes a \ref MachineCycleInfo. |
| class MachineCycleInfoWrapperPass : public MachineFunctionPass { |
| MachineFunction *F = nullptr; |
| MachineCycleInfo CI; |
| |
| public: |
| static char ID; |
| |
| MachineCycleInfoWrapperPass(); |
| |
| MachineCycleInfo &getCycleInfo() { return CI; } |
| const MachineCycleInfo &getCycleInfo() const { return CI; } |
| |
| bool runOnMachineFunction(MachineFunction &F) override; |
| void getAnalysisUsage(AnalysisUsage &AU) const override; |
| void releaseMemory() override; |
| void print(raw_ostream &OS, const Module *M = nullptr) const override; |
| }; |
| |
| // TODO: add this function to GenericCycle template after implementing IR |
| // version. |
| bool isCycleInvariant(const MachineCycle *Cycle, MachineInstr &I); |
| |
| } // end namespace llvm |
| |
| #endif // LLVM_CODEGEN_MACHINECYCLEANALYSIS_H |