ZeroRegisterReplacement.h

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// SPDX-License-Identifier: MIT
 
#pragma once
 
#include "mini-llvm/mir/BasicBlock.h"
#include "mini-llvm/mir/PhysicalRegister.h"
#include "mini-llvm/opt/mir/BasicBlockTransform.h"
#include "mini-llvm/utils/Compiler.h"
 
namespace mini_llvm::mir {
 
class MINI_LLVM_EXPORT ZeroRegisterReplacement final : public BasicBlockTransform {
public:
    explicit ZeroRegisterReplacement(PhysicalRegister *zeroReg) : zeroReg_(zeroReg) {}
 
    bool runOnBasicBlock(BasicBlock &B) override;
 
private:
    PhysicalRegister *zeroReg_;
};
 
} // namespace mini_llvm::mir