[backend]添加了一些工具函数
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@@ -20,6 +20,8 @@ public:
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void setStream(std::ostream& os) { OS = &os; }
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// 辅助函数
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std::string regToString(PhysicalReg reg);
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std::string formatInstr(const MachineInstr *instr);
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private:
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// 打印各个部分
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void printBasicBlock(MachineBasicBlock* mbb, bool debug = false);
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@@ -17,7 +17,8 @@ public:
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// 公开接口,以便后续模块(如RegAlloc)可以查询或创建vreg
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unsigned getVReg(Value* val);
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unsigned getNewVReg() { return vreg_counter++; }
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unsigned getNewVReg(Type* type);
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unsigned getNewVReg(Type* type);
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unsigned getVRegCounter() const;
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// 获取 vreg_map 的公共接口
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const std::map<Value*, unsigned>& getVRegMap() const { return vreg_map; }
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const std::map<unsigned, Value*>& getVRegValueMap() const { return vreg_to_value_map; }
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