30 lines
747 B
C++
30 lines
747 B
C++
#ifndef PRE_RA_SCHEDULER_H
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#define PRE_RA_SCHEDULER_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 PreRA_Scheduler
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* @brief 寄存器分配前的指令调度器
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* * 在虚拟寄存器上进行操作，此时调度自由度最大，
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* 主要目标是隐藏指令延迟，提高流水线效率。
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*/
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class PreRA_Scheduler : public Pass {
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public:
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static char ID;
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PreRA_Scheduler() : Pass("pre-ra-scheduler", 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 // PRE_RA_SCHEDULER_H
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