30 lines
743 B
C++
30 lines
743 B
C++
#ifndef RISCV64_PEEPHOLE_H
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#define RISCV64_PEEPHOLE_H
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#include "RISCv64LLIR.h"
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#include "Pass.h"
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namespace sysy {
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/**
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* @class PeepholeOptimizer
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* @brief 窥孔优化器
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* * 在已分配物理寄存器的指令流上，通过一个小的滑动窗口来查找
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* 并替换掉一些冗余或低效的指令模式。
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*/
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class PeepholeOptimizer : public Pass {
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public:
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static char ID;
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PeepholeOptimizer() : Pass("peephole-optimizer", Granularity::Function, PassKind::Optimization) {}
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void *getPassID() const override { return &ID; }
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bool runOnFunction(Function *F, AnalysisManager& AM) override;
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void runOnMachineFunction(MachineFunction* mfunc);
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};
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} // namespace sysy
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#endif // RISCV64_PEEPHOLE_H
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