143 lines
4.4 KiB
C++
143 lines
4.4 KiB
C++
// Copyright 2021 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <initializer_list>
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#include <map>
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#include <span>
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#include <vector>
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#include <boost/intrusive/list.hpp>
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#include "shader_recompiler/frontend/ir/microinstruction.h"
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#include "shader_recompiler/object_pool.h"
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namespace Shader::IR {
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class Block {
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public:
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using InstructionList = boost::intrusive::list<Inst>;
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using size_type = InstructionList::size_type;
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using iterator = InstructionList::iterator;
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using const_iterator = InstructionList::const_iterator;
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using reverse_iterator = InstructionList::reverse_iterator;
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using const_reverse_iterator = InstructionList::const_reverse_iterator;
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explicit Block(ObjectPool<Inst>& inst_pool_, u32 begin, u32 end);
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~Block();
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Block(const Block&) = delete;
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Block& operator=(const Block&) = delete;
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Block(Block&&) = default;
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Block& operator=(Block&&) = default;
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/// Appends a new instruction to the end of this basic block.
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void AppendNewInst(Opcode op, std::initializer_list<Value> args);
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/// Prepends a new instruction to this basic block before the insertion point.
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iterator PrependNewInst(iterator insertion_point, Opcode op,
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std::initializer_list<Value> args = {}, u64 flags = 0);
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/// Adds a new immediate predecessor to the basic block.
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void AddImmediatePredecessor(IR::Block* immediate_predecessor);
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/// Gets the starting location of this basic block.
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[[nodiscard]] u32 LocationBegin() const noexcept;
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/// Gets the end location for this basic block.
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[[nodiscard]] u32 LocationEnd() const noexcept;
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/// Gets a mutable reference to the instruction list for this basic block.
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[[nodiscard]] InstructionList& Instructions() noexcept;
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/// Gets an immutable reference to the instruction list for this basic block.
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[[nodiscard]] const InstructionList& Instructions() const noexcept;
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/// Gets an immutable span to the immediate predecessors.
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[[nodiscard]] std::span<IR::Block* const> ImmediatePredecessors() const noexcept;
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[[nodiscard]] bool empty() const {
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return instructions.empty();
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}
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[[nodiscard]] size_type size() const {
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return instructions.size();
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}
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[[nodiscard]] Inst& front() {
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return instructions.front();
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}
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[[nodiscard]] const Inst& front() const {
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return instructions.front();
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}
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[[nodiscard]] Inst& back() {
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return instructions.back();
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}
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[[nodiscard]] const Inst& back() const {
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return instructions.back();
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}
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[[nodiscard]] iterator begin() {
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return instructions.begin();
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}
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[[nodiscard]] const_iterator begin() const {
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return instructions.begin();
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}
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[[nodiscard]] iterator end() {
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return instructions.end();
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}
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[[nodiscard]] const_iterator end() const {
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return instructions.end();
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}
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[[nodiscard]] reverse_iterator rbegin() {
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return instructions.rbegin();
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}
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[[nodiscard]] const_reverse_iterator rbegin() const {
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return instructions.rbegin();
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}
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[[nodiscard]] reverse_iterator rend() {
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return instructions.rend();
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}
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[[nodiscard]] const_reverse_iterator rend() const {
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return instructions.rend();
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}
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[[nodiscard]] const_iterator cbegin() const {
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return instructions.cbegin();
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}
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[[nodiscard]] const_iterator cend() const {
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return instructions.cend();
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}
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[[nodiscard]] const_reverse_iterator crbegin() const {
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return instructions.crbegin();
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}
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[[nodiscard]] const_reverse_iterator crend() const {
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return instructions.crend();
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}
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private:
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/// Memory pool for instruction list
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ObjectPool<Inst>* inst_pool;
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/// Starting location of this block
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u32 location_begin;
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/// End location of this block
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u32 location_end;
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/// List of instructions in this block
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InstructionList instructions;
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/// Block immediate predecessors
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std::vector<IR::Block*> imm_predecessors;
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};
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[[nodiscard]] std::string DumpBlock(const Block& block);
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[[nodiscard]] std::string DumpBlock(const Block& block,
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const std::map<const Block*, size_t>& block_to_index,
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std::map<const Inst*, size_t>& inst_to_index,
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size_t& inst_index);
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} // namespace Shader::IR
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