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-rw-r--r--src/shader_recompiler/frontend/ir/function.cpp5
-rw-r--r--src/shader_recompiler/frontend/ir/function.h18
-rw-r--r--src/shader_recompiler/frontend/ir/program.cpp18
-rw-r--r--src/shader_recompiler/frontend/ir/program.h5
-rw-r--r--src/shader_recompiler/frontend/maxwell/structured_control_flow.cpp (renamed from src/shader_recompiler/frontend/ir/structured_control_flow.cpp)254
-rw-r--r--src/shader_recompiler/frontend/maxwell/structured_control_flow.h (renamed from src/shader_recompiler/frontend/ir/structured_control_flow.h)12
6 files changed, 157 insertions, 155 deletions
diff --git a/src/shader_recompiler/frontend/ir/function.cpp b/src/shader_recompiler/frontend/ir/function.cpp
deleted file mode 100644
index d1fc9461d..000000000
--- a/src/shader_recompiler/frontend/ir/function.cpp
+++ /dev/null
@@ -1,5 +0,0 @@
-// Copyright 2021 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include "shader_recompiler/frontend/ir/function.h"
diff --git a/src/shader_recompiler/frontend/ir/function.h b/src/shader_recompiler/frontend/ir/function.h
deleted file mode 100644
index d1f061146..000000000
--- a/src/shader_recompiler/frontend/ir/function.h
+++ /dev/null
@@ -1,18 +0,0 @@
-// Copyright 2021 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <boost/container/small_vector.hpp>
-
-#include "shader_recompiler/frontend/ir/basic_block.h"
-
-namespace Shader::IR {
-
-struct Function {
- BlockList blocks;
- BlockList post_order_blocks;
-};
-
-} // namespace Shader::IR
diff --git a/src/shader_recompiler/frontend/ir/program.cpp b/src/shader_recompiler/frontend/ir/program.cpp
index 8c301c3a1..5f51aeb5f 100644
--- a/src/shader_recompiler/frontend/ir/program.cpp
+++ b/src/shader_recompiler/frontend/ir/program.cpp
@@ -9,7 +9,8 @@
#include <fmt/format.h>
-#include "shader_recompiler/frontend/ir/function.h"
+#include "shader_recompiler/frontend/ir/basic_block.h"
+#include "shader_recompiler/frontend/ir/microinstruction.h"
#include "shader_recompiler/frontend/ir/program.h"
namespace Shader::IR {
@@ -19,18 +20,13 @@ std::string DumpProgram(const Program& program) {
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;
- }
+ for (const IR::Block* const block : program.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';
- }
+ for (const auto& block : program.blocks) {
+ ret += IR::DumpBlock(*block, block_to_index, inst_to_index, index) + '\n';
}
return ret;
}
diff --git a/src/shader_recompiler/frontend/ir/program.h b/src/shader_recompiler/frontend/ir/program.h
index 98aab2dc6..bce8b19b3 100644
--- a/src/shader_recompiler/frontend/ir/program.h
+++ b/src/shader_recompiler/frontend/ir/program.h
@@ -8,13 +8,14 @@
#include <boost/container/small_vector.hpp>
-#include "shader_recompiler/frontend/ir/function.h"
+#include "shader_recompiler/frontend/ir/basic_block.h"
#include "shader_recompiler/shader_info.h"
namespace Shader::IR {
struct Program {
- boost::container::small_vector<Function, 1> functions;
+ BlockList blocks;
+ BlockList post_order_blocks;
Info info;
};
diff --git a/src/shader_recompiler/frontend/ir/structured_control_flow.cpp b/src/shader_recompiler/frontend/maxwell/structured_control_flow.cpp
index bfba55a7e..5f5d9cf17 100644
--- a/src/shader_recompiler/frontend/ir/structured_control_flow.cpp
+++ b/src/shader_recompiler/frontend/maxwell/structured_control_flow.cpp
@@ -14,11 +14,14 @@
#include <boost/intrusive/list.hpp>
+#include "shader_recompiler/environment.h"
#include "shader_recompiler/frontend/ir/basic_block.h"
#include "shader_recompiler/frontend/ir/ir_emitter.h"
+#include "shader_recompiler/frontend/maxwell/structured_control_flow.h"
+#include "shader_recompiler/frontend/maxwell/translate/translate.h"
#include "shader_recompiler/object_pool.h"
-namespace Shader::IR {
+namespace Shader::Maxwell {
namespace {
struct Statement;
@@ -79,7 +82,7 @@ struct Variable {};
#pragma warning(disable : 26495) // Always initialize a member variable, expected in Statement
#endif
struct Statement : ListBaseHook {
- Statement(Block* code_, Statement* up_) : code{code_}, up{up_}, type{StatementType::Code} {}
+ Statement(IR::Block* code_, Statement* up_) : code{code_}, up{up_}, type{StatementType::Code} {}
Statement(Goto, Statement* cond_, Node label_, Statement* up_)
: label{label_}, cond{cond_}, up{up_}, type{StatementType::Goto} {}
Statement(Label, u32 id_, Statement* up_) : id{id_}, up{up_}, type{StatementType::Label} {}
@@ -91,7 +94,7 @@ struct Statement : ListBaseHook {
: cond{cond_}, up{up_}, type{StatementType::Break} {}
Statement(Return) : type{StatementType::Return} {}
Statement(FunctionTag) : children{}, type{StatementType::Function} {}
- Statement(Identity, Condition cond_) : guest_cond{cond_}, type{StatementType::Identity} {}
+ Statement(Identity, IR::Condition cond_) : guest_cond{cond_}, type{StatementType::Identity} {}
Statement(Not, Statement* op_) : op{op_}, type{StatementType::Not} {}
Statement(Or, Statement* op_a_, Statement* op_b_)
: op_a{op_a_}, op_b{op_b_}, type{StatementType::Or} {}
@@ -106,10 +109,10 @@ struct Statement : ListBaseHook {
}
union {
- Block* code;
+ IR::Block* code;
Node label;
Tree children;
- Condition guest_cond;
+ IR::Condition guest_cond;
Statement* op;
Statement* op_a;
};
@@ -269,9 +272,10 @@ bool SearchNode(const Tree& tree, ConstNode stmt, size_t& offset) {
class GotoPass {
public:
- explicit GotoPass(std::span<Block* const> blocks, ObjectPool<Statement>& stmt_pool)
- : pool{stmt_pool} {
- std::vector gotos{BuildUnorderedTreeGetGotos(blocks)};
+ explicit GotoPass(Flow::CFG& cfg, ObjectPool<IR::Inst>& inst_pool_,
+ ObjectPool<IR::Block>& block_pool_, ObjectPool<Statement>& stmt_pool)
+ : inst_pool{inst_pool_}, block_pool{block_pool_}, pool{stmt_pool} {
+ std::vector gotos{BuildTree(cfg)};
for (const Node& goto_stmt : gotos | std::views::reverse) {
RemoveGoto(goto_stmt);
}
@@ -316,18 +320,20 @@ private:
}
}
// TODO: Remove this
- Node it{goto_stmt};
- bool sibling{false};
- do {
- sibling |= it == label_stmt;
- --it;
- } while (it != goto_stmt->up->children.begin());
- while (it != goto_stmt->up->children.end()) {
- sibling |= it == label_stmt;
- ++it;
- }
- if (!sibling) {
- throw LogicError("Not siblings");
+ {
+ Node it{goto_stmt};
+ bool sibling{false};
+ do {
+ sibling |= it == label_stmt;
+ --it;
+ } while (it != goto_stmt->up->children.begin());
+ while (it != goto_stmt->up->children.end()) {
+ sibling |= it == label_stmt;
+ ++it;
+ }
+ if (!sibling) {
+ throw LogicError("Not siblings");
+ }
}
// goto_stmt and label_stmt are guaranteed to be siblings, eliminate
if (std::next(goto_stmt) == label_stmt) {
@@ -342,63 +348,84 @@ private:
}
}
- std::vector<Node> BuildUnorderedTreeGetGotos(std::span<Block* const> blocks) {
- // Assume all blocks have two branches
+ std::vector<Node> BuildTree(Flow::CFG& cfg) {
+ u32 label_id{0};
std::vector<Node> gotos;
- gotos.reserve(blocks.size() * 2);
-
- const std::unordered_map labels_map{BuildLabels(blocks)};
- Tree& root{root_stmt.children};
- auto insert_point{root.begin()};
- // Skip all goto variables zero-initialization
- std::advance(insert_point, labels_map.size());
-
- for (Block* const block : blocks) {
- // Skip label
- ++insert_point;
- // Skip set variable
- ++insert_point;
- root.insert(insert_point, *pool.Create(block, &root_stmt));
-
- if (block->IsTerminationBlock()) {
- root.insert(insert_point, *pool.Create(Return{}));
- continue;
- }
- const Condition cond{block->BranchCondition()};
- Statement* const true_cond{pool.Create(Identity{}, Condition{true})};
- if (cond == Condition{true} || cond == Condition{false}) {
- const bool is_true{cond == Condition{true}};
- const Block* const branch{is_true ? block->TrueBranch() : block->FalseBranch()};
- const Node label{labels_map.at(branch)};
- Statement* const goto_stmt{pool.Create(Goto{}, true_cond, label, &root_stmt)};
- gotos.push_back(root.insert(insert_point, *goto_stmt));
- } else {
- Statement* const ident_cond{pool.Create(Identity{}, cond)};
- const Node true_label{labels_map.at(block->TrueBranch())};
- const Node false_label{labels_map.at(block->FalseBranch())};
- Statement* goto_true{pool.Create(Goto{}, ident_cond, true_label, &root_stmt)};
- Statement* goto_false{pool.Create(Goto{}, true_cond, false_label, &root_stmt)};
- gotos.push_back(root.insert(insert_point, *goto_true));
- gotos.push_back(root.insert(insert_point, *goto_false));
- }
- }
+ Flow::Function& first_function{cfg.Functions().front()};
+ BuildTree(cfg, first_function, label_id, gotos, root_stmt.children.end(), std::nullopt);
return gotos;
}
- std::unordered_map<const Block*, Node> BuildLabels(std::span<Block* const> blocks) {
- // TODO: Consider storing labels intrusively inside the block
- std::unordered_map<const Block*, Node> labels_map;
+ void BuildTree(Flow::CFG& cfg, Flow::Function& function, u32& label_id,
+ std::vector<Node>& gotos, Node function_insert_point,
+ std::optional<Node> return_label) {
+ Statement* const false_stmt{pool.Create(Identity{}, IR::Condition{false})};
Tree& root{root_stmt.children};
- u32 label_id{0};
- for (const Block* const block : blocks) {
+ std::unordered_map<Flow::Block*, Node> local_labels;
+ local_labels.reserve(function.blocks.size());
+
+ for (Flow::Block& block : function.blocks) {
Statement* const label{pool.Create(Label{}, label_id, &root_stmt)};
- labels_map.emplace(block, root.insert(root.end(), *label));
- Statement* const false_stmt{pool.Create(Identity{}, Condition{false})};
- root.push_back(*pool.Create(SetVariable{}, label_id, false_stmt, &root_stmt));
- root.push_front(*pool.Create(SetVariable{}, label_id, false_stmt, &root_stmt));
+ const Node label_it{root.insert(function_insert_point, *label)};
+ local_labels.emplace(&block, label_it);
++label_id;
}
- return labels_map;
+ for (Flow::Block& block : function.blocks) {
+ const Node label{local_labels.at(&block)};
+ // Insertion point
+ const Node ip{std::next(label)};
+
+ // Reset goto variables before the first block and after its respective label
+ const auto make_reset_variable{[&]() -> Statement& {
+ return *pool.Create(SetVariable{}, label->id, false_stmt, &root_stmt);
+ }};
+ root.push_front(make_reset_variable());
+ root.insert(ip, make_reset_variable());
+
+ const u32 begin_offset{block.begin.Offset()};
+ const u32 end_offset{block.end.Offset()};
+ IR::Block* const ir_block{block_pool.Create(inst_pool, begin_offset, end_offset)};
+ root.insert(ip, *pool.Create(ir_block, &root_stmt));
+
+ switch (block.end_class) {
+ case Flow::EndClass::Branch: {
+ Statement* const always_cond{pool.Create(Identity{}, IR::Condition{true})};
+ if (block.cond == IR::Condition{true}) {
+ const Node true_label{local_labels.at(block.branch_true)};
+ gotos.push_back(
+ root.insert(ip, *pool.Create(Goto{}, always_cond, true_label, &root_stmt)));
+ } else if (block.cond == IR::Condition{false}) {
+ const Node false_label{local_labels.at(block.branch_false)};
+ gotos.push_back(root.insert(
+ ip, *pool.Create(Goto{}, always_cond, false_label, &root_stmt)));
+ } else {
+ const Node true_label{local_labels.at(block.branch_true)};
+ const Node false_label{local_labels.at(block.branch_false)};
+ Statement* const true_cond{pool.Create(Identity{}, block.cond)};
+ gotos.push_back(
+ root.insert(ip, *pool.Create(Goto{}, true_cond, true_label, &root_stmt)));
+ gotos.push_back(root.insert(
+ ip, *pool.Create(Goto{}, always_cond, false_label, &root_stmt)));
+ }
+ break;
+ }
+ case Flow::EndClass::Call: {
+ Flow::Function& call{cfg.Functions()[block.function_call]};
+ const Node call_return_label{local_labels.at(block.return_block)};
+ BuildTree(cfg, call, label_id, gotos, ip, call_return_label);
+ break;
+ }
+ case Flow::EndClass::Exit:
+ root.insert(ip, *pool.Create(Return{}));
+ break;
+ case Flow::EndClass::Return: {
+ Statement* const always_cond{pool.Create(Identity{}, block.cond)};
+ auto goto_stmt{pool.Create(Goto{}, always_cond, return_label.value(), &root_stmt)};
+ gotos.push_back(root.insert(ip, *goto_stmt));
+ break;
+ }
+ }
+ }
}
void UpdateTreeUp(Statement* tree) {
@@ -556,11 +583,13 @@ private:
return offset;
}
+ ObjectPool<IR::Inst>& inst_pool;
+ ObjectPool<IR::Block>& block_pool;
ObjectPool<Statement>& pool;
Statement root_stmt{FunctionTag{}};
};
-Block* TryFindForwardBlock(const Statement& stmt) {
+IR::Block* TryFindForwardBlock(const Statement& stmt) {
const Tree& tree{stmt.up->children};
const ConstNode end{tree.cend()};
ConstNode forward_node{std::next(Tree::s_iterator_to(stmt))};
@@ -573,12 +602,12 @@ Block* TryFindForwardBlock(const Statement& stmt) {
return nullptr;
}
-[[nodiscard]] U1 VisitExpr(IREmitter& ir, const Statement& stmt) {
+[[nodiscard]] IR::U1 VisitExpr(IR::IREmitter& ir, const Statement& stmt) {
switch (stmt.type) {
case StatementType::Identity:
return ir.Condition(stmt.guest_cond);
case StatementType::Not:
- return ir.LogicalNot(U1{VisitExpr(ir, *stmt.op)});
+ return ir.LogicalNot(IR::U1{VisitExpr(ir, *stmt.op)});
case StatementType::Or:
return ir.LogicalOr(VisitExpr(ir, *stmt.op_a), VisitExpr(ir, *stmt.op_b));
case StatementType::Variable:
@@ -590,18 +619,18 @@ Block* TryFindForwardBlock(const Statement& stmt) {
class TranslatePass {
public:
- TranslatePass(ObjectPool<Inst>& inst_pool_, ObjectPool<Block>& block_pool_,
- ObjectPool<Statement>& stmt_pool_, Statement& root_stmt,
- const std::function<void(IR::Block*)>& func_, BlockList& block_list_)
- : stmt_pool{stmt_pool_}, inst_pool{inst_pool_}, block_pool{block_pool_}, func{func_},
+ TranslatePass(ObjectPool<IR::Inst>& inst_pool_, ObjectPool<IR::Block>& block_pool_,
+ ObjectPool<Statement>& stmt_pool_, Environment& env_, Statement& root_stmt,
+ IR::BlockList& block_list_)
+ : stmt_pool{stmt_pool_}, inst_pool{inst_pool_}, block_pool{block_pool_}, env{env_},
block_list{block_list_} {
Visit(root_stmt, nullptr, nullptr);
}
private:
- void Visit(Statement& parent, Block* continue_block, Block* break_block) {
+ void Visit(Statement& parent, IR::Block* continue_block, IR::Block* break_block) {
Tree& tree{parent.children};
- Block* current_block{nullptr};
+ IR::Block* current_block{nullptr};
for (auto it = tree.begin(); it != tree.end(); ++it) {
Statement& stmt{*it};
@@ -611,11 +640,10 @@ private:
break;
case StatementType::Code: {
if (current_block && current_block != stmt.code) {
- IREmitter ir{*current_block};
- ir.Branch(stmt.code);
+ IR::IREmitter{*current_block}.Branch(stmt.code);
}
current_block = stmt.code;
- func(stmt.code);
+ Translate(env, stmt.code);
block_list.push_back(stmt.code);
break;
}
@@ -623,7 +651,7 @@ private:
if (!current_block) {
current_block = MergeBlock(parent, stmt);
}
- IREmitter ir{*current_block};
+ IR::IREmitter ir{*current_block};
ir.SetGotoVariable(stmt.id, VisitExpr(ir, *stmt.op));
break;
}
@@ -632,16 +660,16 @@ private:
current_block = block_pool.Create(inst_pool);
block_list.push_back(current_block);
}
- Block* const merge_block{MergeBlock(parent, stmt)};
+ IR::Block* const merge_block{MergeBlock(parent, stmt)};
// Visit children
const size_t first_block_index{block_list.size()};
Visit(stmt, merge_block, break_block);
// Implement if header block
- Block* const first_if_block{block_list.at(first_block_index)};
- IREmitter ir{*current_block};
- const U1 cond{VisitExpr(ir, *stmt.cond)};
+ IR::Block* const first_if_block{block_list.at(first_block_index)};
+ IR::IREmitter ir{*current_block};
+ const IR::U1 cond{VisitExpr(ir, *stmt.cond)};
ir.SelectionMerge(merge_block);
ir.BranchConditional(cond, first_if_block, merge_block);
@@ -649,14 +677,14 @@ private:
break;
}
case StatementType::Loop: {
- Block* const loop_header_block{block_pool.Create(inst_pool)};
+ IR::Block* const loop_header_block{block_pool.Create(inst_pool)};
if (current_block) {
- IREmitter{*current_block}.Branch(loop_header_block);
+ IR::IREmitter{*current_block}.Branch(loop_header_block);
}
block_list.push_back(loop_header_block);
- Block* const new_continue_block{block_pool.Create(inst_pool)};
- Block* const merge_block{MergeBlock(parent, stmt)};
+ IR::Block* const new_continue_block{block_pool.Create(inst_pool)};
+ IR::Block* const merge_block{MergeBlock(parent, stmt)};
// Visit children
const size_t first_block_index{block_list.size()};
@@ -666,14 +694,14 @@ private:
block_list.push_back(new_continue_block);
// Implement loop header block
- Block* const first_loop_block{block_list.at(first_block_index)};
- IREmitter ir{*loop_header_block};
+ IR::Block* const first_loop_block{block_list.at(first_block_index)};
+ IR::IREmitter ir{*loop_header_block};
ir.LoopMerge(merge_block, new_continue_block);
ir.Branch(first_loop_block);
// Implement continue block
- IREmitter continue_ir{*new_continue_block};
- const U1 continue_cond{VisitExpr(continue_ir, *stmt.cond)};
+ IR::IREmitter continue_ir{*new_continue_block};
+ const IR::U1 continue_cond{VisitExpr(continue_ir, *stmt.cond)};
continue_ir.BranchConditional(continue_cond, ir.block, merge_block);
current_block = merge_block;
@@ -684,9 +712,9 @@ private:
current_block = block_pool.Create(inst_pool);
block_list.push_back(current_block);
}
- Block* const skip_block{MergeBlock(parent, stmt)};
+ IR::Block* const skip_block{MergeBlock(parent, stmt)};
- IREmitter ir{*current_block};
+ IR::IREmitter ir{*current_block};
ir.BranchConditional(VisitExpr(ir, *stmt.cond), break_block, skip_block);
current_block = skip_block;
@@ -697,7 +725,7 @@ private:
current_block = block_pool.Create(inst_pool);
block_list.push_back(current_block);
}
- IREmitter{*current_block}.Return();
+ IR::IREmitter{*current_block}.Return();
current_block = nullptr;
break;
}
@@ -706,39 +734,37 @@ private:
}
}
if (current_block && continue_block) {
- IREmitter ir{*current_block};
- ir.Branch(continue_block);
+ IR::IREmitter{*current_block}.Branch(continue_block);
}
}
- Block* MergeBlock(Statement& parent, Statement& stmt) {
- if (Block* const block{TryFindForwardBlock(stmt)}) {
+ IR::Block* MergeBlock(Statement& parent, Statement& stmt) {
+ if (IR::Block* const block{TryFindForwardBlock(stmt)}) {
return block;
}
// Create a merge block we can visit later
- Block* const block{block_pool.Create(inst_pool)};
+ IR::Block* const block{block_pool.Create(inst_pool)};
Statement* const merge_stmt{stmt_pool.Create(block, &parent)};
parent.children.insert(std::next(Tree::s_iterator_to(stmt)), *merge_stmt);
return block;
}
ObjectPool<Statement>& stmt_pool;
- ObjectPool<Inst>& inst_pool;
- ObjectPool<Block>& block_pool;
- const std::function<void(IR::Block*)>& func;
- BlockList& block_list;
+ ObjectPool<IR::Inst>& inst_pool;
+ ObjectPool<IR::Block>& block_pool;
+ Environment& env;
+ IR::BlockList& block_list;
};
} // Anonymous namespace
-BlockList VisitAST(ObjectPool<Inst>& inst_pool, ObjectPool<Block>& block_pool,
- std::span<Block* const> unordered_blocks,
- const std::function<void(Block*)>& func) {
+IR::BlockList VisitAST(ObjectPool<IR::Inst>& inst_pool, ObjectPool<IR::Block>& block_pool,
+ Environment& env, Flow::CFG& cfg) {
ObjectPool<Statement> stmt_pool{64};
- GotoPass goto_pass{unordered_blocks, stmt_pool};
- BlockList block_list;
- TranslatePass translate_pass{inst_pool, block_pool, stmt_pool, goto_pass.RootStatement(),
- func, block_list};
+ GotoPass goto_pass{cfg, inst_pool, block_pool, stmt_pool};
+ Statement& root{goto_pass.RootStatement()};
+ IR::BlockList block_list;
+ TranslatePass{inst_pool, block_pool, stmt_pool, env, root, block_list};
return block_list;
}
-} // namespace Shader::IR
+} // namespace Shader::Maxwell
diff --git a/src/shader_recompiler/frontend/ir/structured_control_flow.h b/src/shader_recompiler/frontend/maxwell/structured_control_flow.h
index a574c24f7..e4797291e 100644
--- a/src/shader_recompiler/frontend/ir/structured_control_flow.h
+++ b/src/shader_recompiler/frontend/maxwell/structured_control_flow.h
@@ -9,14 +9,16 @@
#include <boost/intrusive/list.hpp>
+#include "shader_recompiler/environment.h"
#include "shader_recompiler/frontend/ir/basic_block.h"
#include "shader_recompiler/frontend/ir/microinstruction.h"
+#include "shader_recompiler/frontend/maxwell/control_flow.h"
#include "shader_recompiler/object_pool.h"
-namespace Shader::IR {
+namespace Shader::Maxwell {
-[[nodiscard]] BlockList VisitAST(ObjectPool<Inst>& inst_pool, ObjectPool<Block>& block_pool,
- std::span<Block* const> unordered_blocks,
- const std::function<void(Block*)>& func);
+[[nodiscard]] IR::BlockList VisitAST(ObjectPool<IR::Inst>& inst_pool,
+ ObjectPool<IR::Block>& block_pool, Environment& env,
+ Flow::CFG& cfg);
-} // namespace Shader::IR
+} // namespace Shader::Maxwell