From 2d48a7b4d0666ad16d03a22d85712617a0849046 Mon Sep 17 00:00:00 2001
From: ReinUsesLisp <reinuseslisp@airmail.cc>
Date: Sat, 9 Jan 2021 03:30:07 -0300
Subject: shader: Initial recompiler work
---
src/shader_recompiler/frontend/ir/basic_block.h | 134 ++++++++++++++++++++++++
1 file changed, 134 insertions(+)
create mode 100644 src/shader_recompiler/frontend/ir/basic_block.h
(limited to 'src/shader_recompiler/frontend/ir/basic_block.h')
diff --git a/src/shader_recompiler/frontend/ir/basic_block.h b/src/shader_recompiler/frontend/ir/basic_block.h
new file mode 100644
index 0000000000..3ed2eb9571
--- /dev/null
+++ b/src/shader_recompiler/frontend/ir/basic_block.h
@@ -0,0 +1,134 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <initializer_list>
+#include <map>
+
+#include <boost/intrusive/list.hpp>
+#include <boost/pool/pool_alloc.hpp>
+
+#include "shader_recompiler/frontend/ir/microinstruction.h"
+
+namespace Shader::IR {
+
+class Block {
+public:
+ using InstructionList = boost::intrusive::list<Inst>;
+ using size_type = InstructionList::size_type;
+ using iterator = InstructionList::iterator;
+ using const_iterator = InstructionList::const_iterator;
+ using reverse_iterator = InstructionList::reverse_iterator;
+ using const_reverse_iterator = InstructionList::const_reverse_iterator;
+
+ explicit Block(u32 begin, u32 end);
+ ~Block();
+
+ Block(const Block&) = delete;
+ Block& operator=(const Block&) = delete;
+
+ Block(Block&&) = default;
+ Block& operator=(Block&&) = default;
+
+ /// Appends a new instruction to the end of this basic block.
+ void AppendNewInst(Opcode op, std::initializer_list<Value> args);
+
+ /// Prepends a new instruction to this basic block before the insertion point.
+ iterator PrependNewInst(iterator insertion_point, Opcode op, std::initializer_list<Value> args);
+
+ /// Gets the starting location of this basic block.
+ [[nodiscard]] u32 LocationBegin() const noexcept;
+ /// Gets the end location for this basic block.
+ [[nodiscard]] u32 LocationEnd() const noexcept;
+
+ /// Gets a mutable reference to the instruction list for this basic block.
+ InstructionList& Instructions() noexcept;
+ /// Gets an immutable reference to the instruction list for this basic block.
+ const InstructionList& Instructions() const noexcept;
+
+ [[nodiscard]] bool empty() const {
+ return instructions.empty();
+ }
+ [[nodiscard]] size_type size() const {
+ return instructions.size();
+ }
+
+ [[nodiscard]] Inst& front() {
+ return instructions.front();
+ }
+ [[nodiscard]] const Inst& front() const {
+ return instructions.front();
+ }
+
+ [[nodiscard]] Inst& back() {
+ return instructions.back();
+ }
+ [[nodiscard]] const Inst& back() const {
+ return instructions.back();
+ }
+
+ [[nodiscard]] iterator begin() {
+ return instructions.begin();
+ }
+ [[nodiscard]] const_iterator begin() const {
+ return instructions.begin();
+ }
+ [[nodiscard]] iterator end() {
+ return instructions.end();
+ }
+ [[nodiscard]] const_iterator end() const {
+ return instructions.end();
+ }
+
+ [[nodiscard]] reverse_iterator rbegin() {
+ return instructions.rbegin();
+ }
+ [[nodiscard]] const_reverse_iterator rbegin() const {
+ return instructions.rbegin();
+ }
+ [[nodiscard]] reverse_iterator rend() {
+ return instructions.rend();
+ }
+ [[nodiscard]] const_reverse_iterator rend() const {
+ return instructions.rend();
+ }
+
+ [[nodiscard]] const_iterator cbegin() const {
+ return instructions.cbegin();
+ }
+ [[nodiscard]] const_iterator cend() const {
+ return instructions.cend();
+ }
+
+ [[nodiscard]] const_reverse_iterator crbegin() const {
+ return instructions.crbegin();
+ }
+ [[nodiscard]] const_reverse_iterator crend() const {
+ return instructions.crend();
+ }
+
+private:
+ /// Starting location of this block
+ u32 location_begin;
+ /// End location of this block
+ u32 location_end;
+
+ /// List of instructions in this block.
+ InstructionList instructions;
+
+ /// Memory pool for instruction list
+ boost::fast_pool_allocator<Inst, boost::default_user_allocator_malloc_free,
+ boost::details::pool::null_mutex>
+ instruction_alloc_pool;
+};
+
+[[nodiscard]] std::string DumpBlock(const Block& block);
+
+[[nodiscard]] std::string DumpBlock(const Block& block,
+ const std::map<const Block*, size_t>& block_to_index,
+ std::map<const Inst*, size_t>& inst_to_index,
+ size_t& inst_index);
+
+} // namespace Shader::IR
--
cgit v1.2.3-70-g09d2