Goose  Artifact [d5e19134d1]

Artifact d5e19134d1c411d3dce65eb7d4b662e6e0b8076e766926023987fa26fd9411d1:

• File bs/cir/instruction.cpp — part of check-in [8ffbc35112] at 2024-08-31 14:05:17 on branch cir-ssa-refactor — Refactor Instruction to be just a variant instead of a class containing a variant and a clownshoes bunch of constructors (user: achavasse size: 2788)

#include "cir/cir.h"

namespace goose::cir
{
    bool CanBeExecuted( const Instruction& instr )
    {
        return visit( []< typename ET >( const ET& e )
        {
            if constexpr( is_same_v< ET, monostate > )
                return false;
            else
                return e.canBeExecuted();
        }, instr );
    }

    bool CanBeEagerlyEvaluated( const Instruction& instr )
    {
        return visit( []< typename ET >( const ET& e )
        {
            if constexpr( is_same_v< ET, monostate > )
                return false;
            else
                return e.canBeEagerlyEvaluated();
        }, instr );
    }

    bool HaveSideEffects( const Instruction& instr )
    {
        return visit( []< typename ET >( const ET& e )
        {
            if constexpr( is_same_v< ET, monostate > )
                return false;
            else
                return e.haveSideEffects();
        }, instr );
    }

    ostream& operator<<( ostream& out, const Instruction& instr )
    {
        return visit( [&]< typename ET >( const ET& e ) -> ostream&
        {
            if constexpr( is_same_v< ET, monostate > )
                return out << "NIL";
            else
                return out << e;
        }, instr );
    }

    ostream& operator<<( ostream& out, const Select& ins )
    {
        out << "SELECT(" << ins.m_memberIndex;
        return out << ')';
    }

    ostream& operator<<( ostream& out, const Load& ins )
    {
        out << "LOAD(";
        return out << ins.m_type.get() << ')';
    }

    ostream& operator<<( ostream& out, const Store& ins )
    {
        return out << "STORE";
    }

    ostream& operator<<( ostream& out, const PHOverrideSet& ins )
    {
        return out << "PHOVERRIDESET(" << ins.m_name << ')';
    }

    ostream& operator<<( ostream& out, const PHOverrideClear& ins )
    {
        return out << "PHOVERRIDECLEAR(" << ins.m_name << ')';
    }

    ostream& operator<<( ostream& out, const Phi& ins )
    {
        out << "PHI(" << ins.m_destIndex << ", " << ins.m_type.get();

        for( const auto& [bb,val] : ins.m_incomings )
            out << ", " << bb.lock()->index() << ':' << val;

        return out << " )";
    }

    bool Select::operator<( const Select& rhs ) const
    {
        return m_memberIndex < rhs.m_memberIndex;
    }

    bool Load::operator<( const Load& rhs ) const
    {
        return m_type < rhs.m_type.get();
    }

    bool Store::operator<( const Store& rhs ) const
    {
        return m_type < rhs.m_type.get();
    }

    bool PHOverrideSet::operator<( const PHOverrideSet& rhs ) const
    {
        return m_name < rhs.m_name;
    }

    bool PHOverrideClear::operator<( const PHOverrideClear& rhs ) const
    {
        return m_name < rhs.m_name;
    }
}