/* * Copyright (C) 2017 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #pragma once #if ENABLE(B3_JIT) #include "AirInsertionSet.h" #include <wtf/Insertion.h> #include <wtf/Vector.h> namespace JSC { namespace B3 { namespace Air { class BasicBlock; class Code; // Phased insertions allow you to ascribe phases to the things inserted at an instruction boundary. class PhaseInsertion : public Insertion { public: PhaseInsertion() { } template<typename T> PhaseInsertion(size_t index, unsigned phase, T&& element) : Insertion(index, std::forward<T>(element)) , m_phase(phase) { } unsigned phase() const { return m_phase; } bool operator<(const PhaseInsertion& other) const { if (index() != other.index()) return index() < other.index(); return m_phase < other.m_phase; } private: unsigned m_phase { 0 }; }; class PhaseInsertionSet { public: PhaseInsertionSet() { } template<typename T> void appendInsertion(T&& insertion) { m_insertions.append(std::forward<T>(insertion)); } template<typename Inst> void insertInst(size_t index, unsigned phase, Inst&& inst) { appendInsertion(PhaseInsertion(index, phase, std::forward<Inst>(inst))); } template<typename... Arguments> void insert(size_t index, unsigned phase, Arguments&&... arguments) { insertInst(index, phase, Inst(std::forward<Arguments>(arguments)...)); } void execute(BasicBlock*); private: Vector<PhaseInsertion, 8> m_insertions; }; } } } // namespace JSC::B3::Air #endif // ENABLE(B3_JIT)