FBinaryOperator.h

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// SPDX-License-Identifier: MIT
 
#pragma once
 
#include <format>
#include <memory>
#include <string>
#include <unordered_set>
#include <utility>
 
#include "mini-llvm/common/Precision.h"
#include "mini-llvm/mir/FormatPrecision.h"
#include "mini-llvm/mir/ImmediateOperand.h"
#include "mini-llvm/mir/Instruction.h"
#include "mini-llvm/mir/MemoryOperand.h"
#include "mini-llvm/mir/Register.h"
#include "mini-llvm/mir/RegisterClass.h"
#include "mini-llvm/mir/RegisterOperand.h"
#include "mini-llvm/utils/Compiler.h"
 
namespace mini_llvm::mir {
 
class MINI_LLVM_EXPORT FBinaryOperator : public Instruction {
public:
    Precision precision() const {
        return precision_;
    }
 
    template <typename Self>
    auto &dst(this Self &&self) {
        return self.dst_;
    }
 
    template <typename Self>
    auto &src1(this Self &&self) {
        return self.src1_;
    }
 
    template <typename Self>
    auto &src2(this Self &&self) {
        return self.src2_;
    }
 
    std::unordered_set<const RegisterOperand *> regOps() const override {
        return {&dst(), &src1(), &src2()};
    }
 
    std::unordered_set<const RegisterOperand *> dsts() const override {
        return {&dst()};
    }
 
    std::unordered_set<const RegisterOperand *> srcs() const override {
        return {&src1(), &src2()};
    }
 
    std::unordered_set<const ImmediateOperand *> immOps() const override {
        return {};
    }
 
    std::unordered_set<const MemoryOperand *> memOps() const override {
        return {};
    }
 
    std::string format() const override {
        return std::format("{} {} {}, {}, {}", mnemonic(), specifier(precision()), *dst(), *src1(), *src2());
    }
 
protected:
    FBinaryOperator(Precision precision,
                    std::shared_ptr<Register> dst,
                    std::shared_ptr<Register> src1,
                    std::shared_ptr<Register> src2)
        : precision_(precision),
          dst_(RegisterClass::kFPR, std::move(dst)),
          src1_(RegisterClass::kFPR, std::move(src1)),
          src2_(RegisterClass::kFPR, std::move(src2)) {}
 
    virtual const char *mnemonic() const = 0;
 
private:
    Precision precision_;
    RegisterOperand dst_, src1_, src2_;
};
 
} // namespace mini_llvm::mir