shader: Add pools and rename files

src/shader_recompiler/CMakeLists.txt

@@ -1,4 +1,5 @@
 add_executable(shader_recompiler
+    backend/spirv/emit_spirv.h
     environment.h
     exception.h
     file_environment.cpp
@@ -17,10 +18,12 @@ add_executable(shader_recompiler
     frontend/ir/ir_emitter.h
     frontend/ir/microinstruction.cpp
     frontend/ir/microinstruction.h
-    frontend/ir/opcode.cpp
-    frontend/ir/opcode.h
-    frontend/ir/opcode.inc
+    frontend/ir/opcodes.cpp
+    frontend/ir/opcodes.h
+    frontend/ir/opcodes.inc
     frontend/ir/pred.h
+    frontend/ir/program.cpp
+    frontend/ir/program.h
     frontend/ir/reg.h
     frontend/ir/type.cpp
     frontend/ir/type.h
@@ -33,8 +36,8 @@ add_executable(shader_recompiler
     frontend/maxwell/instruction.h
     frontend/maxwell/location.h
     frontend/maxwell/maxwell.inc
-    frontend/maxwell/opcode.cpp
-    frontend/maxwell/opcode.h
+    frontend/maxwell/opcodes.cpp
+    frontend/maxwell/opcodes.h
     frontend/maxwell/program.cpp
     frontend/maxwell/program.h
     frontend/maxwell/termination_code.cpp
@@ -67,6 +70,7 @@ add_executable(shader_recompiler
     ir_opt/ssa_rewrite_pass.cpp
     ir_opt/verification_pass.cpp
     main.cpp
+    object_pool.h
 )
 target_link_libraries(shader_recompiler PRIVATE fmt::fmt)
 

src/shader_recompiler/backend/spirv/emit_spirv.h

@@ -0,0 +1,21 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "shader_recompiler/frontend/ir/microinstruction.h"
+#include "shader_recompiler/frontend/ir/program.h"
+
+namespace Shader::Backend::SPIRV {
+
+class EmitSPIRV {
+public:
+private:
+    // Microinstruction emitters
+#define OPCODE(name, result_type, ...) void Emit##name(EmitContext& ctx, IR::Inst* inst);
+#include "shader_recompiler/frontend/ir/opcodes.inc"
+#undef OPCODE
+};
+
+} // namespace Shader::Backend::SPIRV

src/shader_recompiler/frontend/ir/basic_block.cpp

@@ -14,7 +14,8 @@
 
 namespace Shader::IR {
 
-Block::Block(u32 begin, u32 end) : location_begin{begin}, location_end{end} {}
+Block::Block(ObjectPool<Inst>& inst_pool_, u32 begin, u32 end)
+    : inst_pool{&inst_pool_}, location_begin{begin}, location_end{end} {}
 
 Block::~Block() = default;
 
@@ -24,7 +25,7 @@ void Block::AppendNewInst(Opcode op, std::initializer_list<Value> args) {
 
 Block::iterator Block::PrependNewInst(iterator insertion_point, Opcode op,
                                       std::initializer_list<Value> args, u64 flags) {
-    Inst* const inst{std::construct_at(instruction_alloc_pool.allocate(), op, flags)};
+    Inst* const inst{inst_pool->Create(op, flags)};
     const auto result_it{instructions.insert(insertion_point, *inst)};
 
     if (inst->NumArgs() != args.size()) {

src/shader_recompiler/frontend/ir/basic_block.h

@@ -10,9 +10,9 @@
 #include <vector>
 
 #include <boost/intrusive/list.hpp>
-#include <boost/pool/pool_alloc.hpp>
 
 #include "shader_recompiler/frontend/ir/microinstruction.h"
+#include "shader_recompiler/object_pool.h"
 
 namespace Shader::IR {
 
@@ -25,7 +25,7 @@ public:
     using reverse_iterator = InstructionList::reverse_iterator;
     using const_reverse_iterator = InstructionList::const_reverse_iterator;
 
-    explicit Block(u32 begin, u32 end);
+    explicit Block(ObjectPool<Inst>& inst_pool_, u32 begin, u32 end);
     ~Block();
 
     Block(const Block&) = delete;
@@ -119,6 +119,8 @@ public:
     }
 
 private:
+    /// Memory pool for instruction list
+    ObjectPool<Inst>* inst_pool;
     /// Starting location of this block
     u32 location_begin;
     /// End location of this block
@@ -127,11 +129,6 @@ private:
     /// 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;
-
     /// Block immediate predecessors
     std::vector<IR::Block*> imm_predecessors;
 };

src/shader_recompiler/frontend/ir/function.h

@@ -4,22 +4,14 @@
 
 #pragma once
 
-#include <memory>
-#include <vector>
+#include <boost/container/small_vector.hpp>
 
 #include "shader_recompiler/frontend/ir/basic_block.h"
 
 namespace Shader::IR {
 
 struct Function {
-    struct InplaceDelete {
-        void operator()(IR::Block* block) const noexcept {
-            std::destroy_at(block);
-        }
-    };
-    using UniqueBlock = std::unique_ptr<IR::Block, InplaceDelete>;
-
-    std::vector<UniqueBlock> blocks;
+    boost::container::small_vector<Block*, 16> blocks;
 };
 
 } // namespace Shader::IR

src/shader_recompiler/frontend/ir/microinstruction.h

@@ -13,7 +13,7 @@
 #include <boost/intrusive/list.hpp>
 
 #include "common/common_types.h"
-#include "shader_recompiler/frontend/ir/opcode.h"
+#include "shader_recompiler/frontend/ir/opcodes.h"
 #include "shader_recompiler/frontend/ir/type.h"
 #include "shader_recompiler/frontend/ir/value.h"
 

src/shader_recompiler/frontend/ir/opcode.cpp → src/shader_recompiler/frontend/ir/opcodes.cpp

@@ -7,7 +7,7 @@
 #include <string_view>
 
 #include "shader_recompiler/exception.h"
-#include "shader_recompiler/frontend/ir/opcode.h"
+#include "shader_recompiler/frontend/ir/opcodes.h"
 
 namespace Shader::IR {
 namespace {
@@ -26,7 +26,7 @@ constexpr std::array META_TABLE{
         .type{type_token},                                                                         \
         .arg_types{__VA_ARGS__},                                                                   \
     },
-#include "opcode.inc"
+#include "opcodes.inc"
 #undef OPCODE
 };
 

src/shader_recompiler/frontend/ir/opcode.h → src/shader_recompiler/frontend/ir/opcodes.h

@@ -14,7 +14,7 @@ namespace Shader::IR {
 
 enum class Opcode {
 #define OPCODE(name, ...) name,
-#include "opcode.inc"
+#include "opcodes.inc"
 #undef OPCODE
 };
 

src/shader_recompiler/frontend/ir/program.cpp

@@ -0,0 +1,38 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <map>
+#include <string>
+
+#include <fmt/format.h>
+
+#include "shader_recompiler/frontend/ir/function.h"
+#include "shader_recompiler/frontend/ir/program.h"
+
+namespace Shader::IR {
+
+std::string DumpProgram(const Program& program) {
+    size_t index{0};
+    std::map<const IR::Inst*, size_t> inst_to_index;
+    std::map<const IR::Block*, size_t> block_to_index;
+
+    for (const IR::Function& function : program.functions) {
+        for (const IR::Block* const block : function.blocks) {
+            block_to_index.emplace(block, index);
+            ++index;
+        }
+    }
+    std::string ret;
+    for (const IR::Function& function : program.functions) {
+        ret += fmt::format("Function\n");
+        for (const auto& block : function.blocks) {
+            ret += IR::DumpBlock(*block, block_to_index, inst_to_index, index) + '\n';
+        }
+    }
+    return ret;
+}
+
+} // namespace Shader::IR

src/shader_recompiler/frontend/ir/program.h

@@ -0,0 +1,21 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <string>
+
+#include <boost/container/small_vector.hpp>
+
+#include "shader_recompiler/frontend/ir/function.h"
+
+namespace Shader::IR {
+
+struct Program {
+    boost::container::small_vector<Function, 1> functions;
+};
+
+[[nodiscard]] std::string DumpProgram(const Program& program);
+
+} // namespace Shader::IR

src/shader_recompiler/frontend/ir/value.cpp

@@ -3,7 +3,7 @@
 // Refer to the license.txt file included.
 
 #include "shader_recompiler/frontend/ir/microinstruction.h"
-#include "shader_recompiler/frontend/ir/opcode.h"
+#include "shader_recompiler/frontend/ir/opcodes.h"
 #include "shader_recompiler/frontend/ir/value.h"
 
 namespace Shader::IR {

src/shader_recompiler/frontend/maxwell/control_flow.h

@@ -16,7 +16,7 @@
 #include "shader_recompiler/frontend/ir/condition.h"
 #include "shader_recompiler/frontend/maxwell/instruction.h"
 #include "shader_recompiler/frontend/maxwell/location.h"
-#include "shader_recompiler/frontend/maxwell/opcode.h"
+#include "shader_recompiler/frontend/maxwell/opcodes.h"
 
 namespace Shader::Maxwell::Flow {
 

src/shader_recompiler/frontend/maxwell/decode.cpp

@@ -11,7 +11,7 @@
 #include "common/common_types.h"
 #include "shader_recompiler/exception.h"
 #include "shader_recompiler/frontend/maxwell/decode.h"
-#include "shader_recompiler/frontend/maxwell/opcode.h"
+#include "shader_recompiler/frontend/maxwell/opcodes.h"
 
 namespace Shader::Maxwell {
 namespace {

src/shader_recompiler/frontend/maxwell/decode.h

@@ -5,7 +5,7 @@
 #pragma once
 
 #include "common/common_types.h"
-#include "shader_recompiler/frontend/maxwell/opcode.h"
+#include "shader_recompiler/frontend/maxwell/opcodes.h"
 
 namespace Shader::Maxwell {
 

src/shader_recompiler/frontend/maxwell/opcode.cpp → src/shader_recompiler/frontend/maxwell/opcodes.cpp

@@ -5,7 +5,7 @@
 #include <array>
 
 #include "shader_recompiler/exception.h"
-#include "shader_recompiler/frontend/maxwell/opcode.h"
+#include "shader_recompiler/frontend/maxwell/opcodes.h"
 
 namespace Shader::Maxwell {
 namespace {

src/shader_recompiler/frontend/maxwell/program.cpp

@@ -5,6 +5,7 @@
 #include <algorithm>
 #include <memory>
 
+#include "shader_recompiler/frontend/ir/basic_block.h"
 #include "shader_recompiler/frontend/maxwell/program.h"
 #include "shader_recompiler/frontend/maxwell/termination_code.h"
 #include "shader_recompiler/frontend/maxwell/translate/translate.h"
@@ -12,17 +13,18 @@
 
 namespace Shader::Maxwell {
 namespace {
-void TranslateCode(Environment& env, const Flow::Function& cfg_function, IR::Function& function,
-                   std::span<IR::Block*> block_map, IR::Block* block_memory) {
+void TranslateCode(ObjectPool<IR::Inst>& inst_pool, ObjectPool<IR::Block>& block_pool,
+                   Environment& env, const Flow::Function& cfg_function, IR::Function& function,
+                   std::span<IR::Block*> block_map) {
     const size_t num_blocks{cfg_function.blocks.size()};
     function.blocks.reserve(num_blocks);
 
     for (const Flow::BlockId block_id : cfg_function.blocks) {
         const Flow::Block& flow_block{cfg_function.blocks_data[block_id]};
 
-        function.blocks.emplace_back(std::construct_at(block_memory, Translate(env, flow_block)));
-        block_map[flow_block.id] = function.blocks.back().get();
-        ++block_memory;
+        IR::Block* const ir_block{block_pool.Create(Translate(inst_pool, env, flow_block))};
+        block_map[flow_block.id] = ir_block;
+        function.blocks.emplace_back(ir_block);
     }
 }
 
@@ -34,21 +36,24 @@ void EmitTerminationInsts(const Flow::Function& cfg_function,
     }
 }
 
-void TranslateFunction(Environment& env, const Flow::Function& cfg_function, IR::Function& function,
-                       IR::Block* block_memory) {
+void TranslateFunction(ObjectPool<IR::Inst>& inst_pool, ObjectPool<IR::Block>& block_pool,
+                       Environment& env, const Flow::Function& cfg_function,
+                       IR::Function& function) {
     std::vector<IR::Block*> block_map;
     block_map.resize(cfg_function.blocks_data.size());
 
-    TranslateCode(env, cfg_function, function, block_map, block_memory);
+    TranslateCode(inst_pool, block_pool, env, cfg_function, function, block_map);
     EmitTerminationInsts(cfg_function, block_map);
 }
 } // Anonymous namespace
 
-Program::Program(Environment& env, const Flow::CFG& cfg) {
+IR::Program TranslateProgram(ObjectPool<IR::Inst>& inst_pool, ObjectPool<IR::Block>& block_pool,
+                             Environment& env, const Flow::CFG& cfg) {
+    IR::Program program;
+    auto& functions{program.functions};
     functions.reserve(cfg.Functions().size());
     for (const Flow::Function& cfg_function : cfg.Functions()) {
-        TranslateFunction(env, cfg_function, functions.emplace_back(),
-                          block_alloc_pool.allocate(cfg_function.blocks.size()));
+        TranslateFunction(inst_pool, block_pool, env, cfg_function, functions.emplace_back());
     }
     std::ranges::for_each(functions, Optimization::SsaRewritePass);
     for (IR::Function& function : functions) {
@@ -59,27 +64,7 @@ Program::Program(Environment& env, const Flow::CFG& cfg) {
         Optimization::VerificationPass(function);
     }
     //*/
-}
-
-std::string DumpProgram(const Program& program) {
-    size_t index{0};
-    std::map<const IR::Inst*, size_t> inst_to_index;
-    std::map<const IR::Block*, size_t> block_to_index;
-
-    for (const IR::Function& function : program.functions) {
-        for (const auto& block : function.blocks) {
-            block_to_index.emplace(block.get(), index);
-            ++index;
-        }
-    }
-    std::string ret;
-    for (const IR::Function& function : program.functions) {
-        ret += fmt::format("Function\n");
-        for (const auto& block : function.blocks) {
-            ret += IR::DumpBlock(*block, block_to_index, inst_to_index, index) + '\n';
-        }
-    }
-    return ret;
+    return program;
 }
 
 } // namespace Shader::Maxwell

src/shader_recompiler/frontend/maxwell/program.h

@@ -9,28 +9,16 @@
 #include <vector>
 
 #include <boost/container/small_vector.hpp>
-#include <boost/pool/pool_alloc.hpp>
 
 #include "shader_recompiler/environment.h"
-#include "shader_recompiler/frontend/ir/basic_block.h"
-#include "shader_recompiler/frontend/ir/function.h"
+#include "shader_recompiler/frontend/ir/program.h"
 #include "shader_recompiler/frontend/maxwell/control_flow.h"
+#include "shader_recompiler/object_pool.h"
 
 namespace Shader::Maxwell {
 
-class Program {
-    friend std::string DumpProgram(const Program& program);
-
-public:
-    explicit Program(Environment& env, const Flow::CFG& cfg);
-
-private:
-    boost::pool_allocator<IR::Block, boost::default_user_allocator_new_delete,
-                          boost::details::pool::null_mutex>
-        block_alloc_pool;
-    boost::container::small_vector<IR::Function, 1> functions;
-};
-
-[[nodiscard]] std::string DumpProgram(const Program& program);
+[[nodiscard]] IR::Program TranslateProgram(ObjectPool<IR::Inst>& inst_pool,
+                                           ObjectPool<IR::Block>& block_pool, Environment& env,
+                                           const Flow::CFG& cfg);
 
 } // namespace Shader::Maxwell

src/shader_recompiler/frontend/maxwell/translate/impl/floating_point_conversion_integer.cpp

@@ -4,7 +4,7 @@
 
 #include "common/common_types.h"
 #include "shader_recompiler/exception.h"
-#include "shader_recompiler/frontend/maxwell/opcode.h"
+#include "shader_recompiler/frontend/maxwell/opcodes.h"
 #include "shader_recompiler/frontend/maxwell/translate/impl/impl.h"
 
 namespace Shader::Maxwell {

src/shader_recompiler/frontend/maxwell/translate/impl/floating_point_multi_function.cpp

@@ -5,7 +5,7 @@
 #include "common/bit_field.h"
 #include "common/common_types.h"
 #include "shader_recompiler/exception.h"
-#include "shader_recompiler/frontend/maxwell/opcode.h"
+#include "shader_recompiler/frontend/maxwell/opcodes.h"
 #include "shader_recompiler/frontend/maxwell/translate/impl/impl.h"
 
 namespace Shader::Maxwell {

src/shader_recompiler/frontend/maxwell/translate/impl/load_store_attribute.cpp

@@ -6,7 +6,7 @@
 #include "common/common_types.h"
 #include "shader_recompiler/exception.h"
 #include "shader_recompiler/frontend/ir/ir_emitter.h"
-#include "shader_recompiler/frontend/maxwell/opcode.h"
+#include "shader_recompiler/frontend/maxwell/opcodes.h"
 #include "shader_recompiler/frontend/maxwell/translate/impl/impl.h"
 
 namespace Shader::Maxwell {

src/shader_recompiler/frontend/maxwell/translate/impl/load_store_memory.cpp

@@ -5,7 +5,7 @@
 #include "common/bit_field.h"
 #include "common/common_types.h"
 #include "shader_recompiler/exception.h"
-#include "shader_recompiler/frontend/maxwell/opcode.h"
+#include "shader_recompiler/frontend/maxwell/opcodes.h"
 #include "shader_recompiler/frontend/maxwell/translate/impl/impl.h"
 
 namespace Shader::Maxwell {

src/shader_recompiler/frontend/maxwell/translate/impl/move_register.cpp

@@ -5,7 +5,7 @@
 #include "common/bit_field.h"
 #include "common/common_types.h"
 #include "shader_recompiler/exception.h"
-#include "shader_recompiler/frontend/maxwell/opcode.h"
+#include "shader_recompiler/frontend/maxwell/opcodes.h"
 #include "shader_recompiler/frontend/maxwell/translate/impl/impl.h"
 
 namespace Shader::Maxwell {

src/shader_recompiler/frontend/maxwell/translate/impl/not_implemented.cpp

@@ -4,7 +4,7 @@
 
 #include "common/common_types.h"
 #include "shader_recompiler/exception.h"
-#include "shader_recompiler/frontend/maxwell/opcode.h"
+#include "shader_recompiler/frontend/maxwell/opcodes.h"
 #include "shader_recompiler/frontend/maxwell/translate/impl/impl.h"
 
 namespace Shader::Maxwell {

src/shader_recompiler/frontend/maxwell/translate/translate.cpp

@@ -23,8 +23,9 @@ static void Invoke(TranslatorVisitor& visitor, Location pc, u64 insn) {
     }
 }
 
-IR::Block Translate(Environment& env, const Flow::Block& flow_block) {
-    IR::Block block{flow_block.begin.Offset(), flow_block.end.Offset()};
+IR::Block Translate(ObjectPool<IR::Inst>& inst_pool, Environment& env,
+                    const Flow::Block& flow_block) {
+    IR::Block block{inst_pool, flow_block.begin.Offset(), flow_block.end.Offset()};
     TranslatorVisitor visitor{env, block};
 
     const Location pc_end{flow_block.end};

src/shader_recompiler/frontend/maxwell/translate/translate.h

@@ -6,11 +6,14 @@
 
 #include "shader_recompiler/environment.h"
 #include "shader_recompiler/frontend/ir/basic_block.h"
-#include "shader_recompiler/frontend/maxwell/location.h"
+#include "shader_recompiler/frontend/ir/microinstruction.h"
 #include "shader_recompiler/frontend/maxwell/control_flow.h"
+#include "shader_recompiler/frontend/maxwell/location.h"
+#include "shader_recompiler/object_pool.h"
 
 namespace Shader::Maxwell {
 
-[[nodiscard]] IR::Block Translate(Environment& env, const Flow::Block& flow_block);
+[[nodiscard]] IR::Block Translate(ObjectPool<IR::Inst>& inst_pool, Environment& env,
+                                  const Flow::Block& flow_block);
 
 } // namespace Shader::Maxwell

src/shader_recompiler/ir_opt/ssa_rewrite_pass.cpp

@@ -19,7 +19,7 @@
 #include "shader_recompiler/frontend/ir/basic_block.h"
 #include "shader_recompiler/frontend/ir/function.h"
 #include "shader_recompiler/frontend/ir/microinstruction.h"
-#include "shader_recompiler/frontend/ir/opcode.h"
+#include "shader_recompiler/frontend/ir/opcodes.h"
 #include "shader_recompiler/frontend/ir/pred.h"
 #include "shader_recompiler/frontend/ir/reg.h"
 #include "shader_recompiler/ir_opt/passes.h"
@@ -150,52 +150,52 @@ private:
 
 void SsaRewritePass(IR::Function& function) {
     Pass pass;
-    for (const auto& block : function.blocks) {
+    for (IR::Block* const block : function.blocks) {
         for (IR::Inst& inst : block->Instructions()) {
             switch (inst.Opcode()) {
             case IR::Opcode::SetRegister:
                 if (const IR::Reg reg{inst.Arg(0).Reg()}; reg != IR::Reg::RZ) {
-                    pass.WriteVariable(reg, block.get(), inst.Arg(1));
+                    pass.WriteVariable(reg, block, inst.Arg(1));
                 }
                 break;
             case IR::Opcode::SetPred:
                 if (const IR::Pred pred{inst.Arg(0).Pred()}; pred != IR::Pred::PT) {
-                    pass.WriteVariable(pred, block.get(), inst.Arg(1));
+                    pass.WriteVariable(pred, block, inst.Arg(1));
                 }
                 break;
             case IR::Opcode::SetZFlag:
-                pass.WriteVariable(ZeroFlagTag{}, block.get(), inst.Arg(0));
+                pass.WriteVariable(ZeroFlagTag{}, block, inst.Arg(0));
                 break;
             case IR::Opcode::SetSFlag:
-                pass.WriteVariable(SignFlagTag{}, block.get(), inst.Arg(0));
+                pass.WriteVariable(SignFlagTag{}, block, inst.Arg(0));
                 break;
             case IR::Opcode::SetCFlag:
-                pass.WriteVariable(CarryFlagTag{}, block.get(), inst.Arg(0));
+                pass.WriteVariable(CarryFlagTag{}, block, inst.Arg(0));
                 break;
             case IR::Opcode::SetOFlag:
-                pass.WriteVariable(OverflowFlagTag{}, block.get(), inst.Arg(0));
+                pass.WriteVariable(OverflowFlagTag{}, block, inst.Arg(0));
                 break;
             case IR::Opcode::GetRegister:
                 if (const IR::Reg reg{inst.Arg(0).Reg()}; reg != IR::Reg::RZ) {
-                    inst.ReplaceUsesWith(pass.ReadVariable(reg, block.get()));
+                    inst.ReplaceUsesWith(pass.ReadVariable(reg, block));
                 }
                 break;
             case IR::Opcode::GetPred:
                 if (const IR::Pred pred{inst.Arg(0).Pred()}; pred != IR::Pred::PT) {
-                    inst.ReplaceUsesWith(pass.ReadVariable(pred, block.get()));
+                    inst.ReplaceUsesWith(pass.ReadVariable(pred, block));
                 }
                 break;
             case IR::Opcode::GetZFlag:
-                inst.ReplaceUsesWith(pass.ReadVariable(ZeroFlagTag{}, block.get()));
+                inst.ReplaceUsesWith(pass.ReadVariable(ZeroFlagTag{}, block));
                 break;
             case IR::Opcode::GetSFlag:
-                inst.ReplaceUsesWith(pass.ReadVariable(SignFlagTag{}, block.get()));
+                inst.ReplaceUsesWith(pass.ReadVariable(SignFlagTag{}, block));
                 break;
             case IR::Opcode::GetCFlag:
-                inst.ReplaceUsesWith(pass.ReadVariable(CarryFlagTag{}, block.get()));
+                inst.ReplaceUsesWith(pass.ReadVariable(CarryFlagTag{}, block));
                 break;
             case IR::Opcode::GetOFlag:
-                inst.ReplaceUsesWith(pass.ReadVariable(OverflowFlagTag{}, block.get()));
+                inst.ReplaceUsesWith(pass.ReadVariable(OverflowFlagTag{}, block));
                 break;
             default:
                 break;

src/shader_recompiler/main.cpp

@@ -56,6 +56,13 @@ int main() {
     auto cfg{std::make_unique<Flow::CFG>(env, 0)};
     // fmt::print(stdout, "{}\n", cfg->Dot());
 
-    Program program{env, *cfg};
-    fmt::print(stdout, "{}\n", DumpProgram(program));
+    auto inst_pool{std::make_unique<ObjectPool<IR::Inst>>()};
+    auto block_pool{std::make_unique<ObjectPool<IR::Block>>()};
+
+    for (int i = 0; i < 8192 * 4; ++i) {
+        void(inst_pool->Create(IR::Opcode::Void, 0));
+    }
+
+    IR::Program program{TranslateProgram(*inst_pool, *block_pool, env, *cfg)};
+    fmt::print(stdout, "{}\n", IR::DumpProgram(program));
 }

src/shader_recompiler/object_pool.h

@@ -0,0 +1,89 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <memory>
+#include <type_traits>
+
+namespace Shader {
+
+template <typename T, size_t chunk_size = 8192>
+requires std::is_destructible_v<T> class ObjectPool {
+public:
+    ~ObjectPool() {
+        std::unique_ptr<Chunk> tree_owner;
+        Chunk* chunk{&root};
+        while (chunk) {
+            for (size_t obj_id = chunk->free_objects; obj_id < chunk_size; ++obj_id) {
+                chunk->storage[obj_id].object.~T();
+            }
+            tree_owner = std::move(chunk->next);
+            chunk = tree_owner.get();
+        }
+    }
+
+    template <typename... Args>
+    requires std::is_constructible_v<T, Args...> [[nodiscard]] T* Create(Args&&... args) {
+        return std::construct_at(Memory(), std::forward<Args>(args)...);
+    }
+
+    void ReleaseContents() {
+        Chunk* chunk{&root};
+        if (chunk) {
+            const size_t free_objects{chunk->free_objects};
+            if (free_objects == chunk_size) {
+                break;
+            }
+            chunk->free_objects = chunk_size;
+            for (size_t obj_id = free_objects; obj_id < chunk_size; ++obj_id) {
+                chunk->storage[obj_id].object.~T();
+            }
+            chunk = chunk->next.get();
+        }
+        node = &root;
+    }
+
+private:
+    struct NonTrivialDummy {
+        NonTrivialDummy() noexcept {}
+    };
+
+    union Storage {
+        Storage() noexcept {}
+        ~Storage() noexcept {}
+
+        NonTrivialDummy dummy{};
+        T object;
+    };
+
+    struct Chunk {
+        size_t free_objects = chunk_size;
+        std::array<Storage, chunk_size> storage;
+        std::unique_ptr<Chunk> next;
+    };
+
+    [[nodiscard]] T* Memory() {
+        Chunk* const chunk{FreeChunk()};
+        return &chunk->storage[--chunk->free_objects].object;
+    }
+
+    [[nodiscard]] Chunk* FreeChunk() {
+        if (node->free_objects > 0) {
+            return node;
+        }
+        if (node->next) {
+            node = node->next.get();
+            return node;
+        }
+        node->next = std::make_unique<Chunk>();
+        node = node->next.get();
+        return node;
+    }
+
+    Chunk* node{&root};
+    Chunk root;
+};
+
+} // namespace Shader