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vk_shader_decompiler: Mark operator() function parameters as const references
These parameters aren't actually modified in any way, so they can be made const references.
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9fe8072c67
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c6bec9aa10
@ -1648,32 +1648,32 @@ class ExprDecompiler {
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public:
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explicit ExprDecompiler(SPIRVDecompiler& decomp) : decomp{decomp} {}
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Id operator()(VideoCommon::Shader::ExprAnd& expr) {
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Id operator()(const ExprAnd& expr) {
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const Id type_def = decomp.GetTypeDefinition(Type::Bool);
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const Id op1 = Visit(expr.operand1);
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const Id op2 = Visit(expr.operand2);
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return decomp.Emit(decomp.OpLogicalAnd(type_def, op1, op2));
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}
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Id operator()(VideoCommon::Shader::ExprOr& expr) {
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Id operator()(const ExprOr& expr) {
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const Id type_def = decomp.GetTypeDefinition(Type::Bool);
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const Id op1 = Visit(expr.operand1);
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const Id op2 = Visit(expr.operand2);
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return decomp.Emit(decomp.OpLogicalOr(type_def, op1, op2));
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}
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Id operator()(VideoCommon::Shader::ExprNot& expr) {
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Id operator()(const ExprNot& expr) {
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const Id type_def = decomp.GetTypeDefinition(Type::Bool);
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const Id op1 = Visit(expr.operand1);
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return decomp.Emit(decomp.OpLogicalNot(type_def, op1));
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}
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Id operator()(VideoCommon::Shader::ExprPredicate& expr) {
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Id operator()(const ExprPredicate& expr) {
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const auto pred = static_cast<Tegra::Shader::Pred>(expr.predicate);
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return decomp.Emit(decomp.OpLoad(decomp.t_bool, decomp.predicates.at(pred)));
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}
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Id operator()(VideoCommon::Shader::ExprCondCode& expr) {
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Id operator()(const ExprCondCode& expr) {
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const Node cc = decomp.ir.GetConditionCode(expr.cc);
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Id target;
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@ -1693,15 +1693,15 @@ public:
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return decomp.Emit(decomp.OpLoad(decomp.t_bool, target));
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}
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Id operator()(VideoCommon::Shader::ExprVar& expr) {
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Id operator()(const ExprVar& expr) {
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return decomp.Emit(decomp.OpLoad(decomp.t_bool, decomp.flow_variables.at(expr.var_index)));
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}
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Id operator()(VideoCommon::Shader::ExprBoolean& expr) {
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Id operator()(const ExprBoolean& expr) {
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return expr.value ? decomp.v_true : decomp.v_false;
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}
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Id Visit(VideoCommon::Shader::Expr& node) {
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Id Visit(const Expr& node) {
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return std::visit(*this, *node);
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}
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@ -1713,7 +1713,7 @@ class ASTDecompiler {
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public:
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explicit ASTDecompiler(SPIRVDecompiler& decomp) : decomp{decomp} {}
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void operator()(VideoCommon::Shader::ASTProgram& ast) {
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void operator()(const ASTProgram& ast) {
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ASTNode current = ast.nodes.GetFirst();
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while (current) {
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Visit(current);
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@ -1721,7 +1721,7 @@ public:
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}
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}
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void operator()(VideoCommon::Shader::ASTIfThen& ast) {
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void operator()(const ASTIfThen& ast) {
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ExprDecompiler expr_parser{decomp};
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const Id condition = expr_parser.Visit(ast.condition);
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const Id then_label = decomp.OpLabel();
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@ -1738,33 +1738,33 @@ public:
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decomp.Emit(endif_label);
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}
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void operator()(VideoCommon::Shader::ASTIfElse& ast) {
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void operator()([[maybe_unused]] const ASTIfElse& ast) {
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UNREACHABLE();
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}
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void operator()(VideoCommon::Shader::ASTBlockEncoded& ast) {
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void operator()([[maybe_unused]] const ASTBlockEncoded& ast) {
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UNREACHABLE();
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}
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void operator()(VideoCommon::Shader::ASTBlockDecoded& ast) {
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void operator()(const ASTBlockDecoded& ast) {
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decomp.VisitBasicBlock(ast.nodes);
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}
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void operator()(VideoCommon::Shader::ASTVarSet& ast) {
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void operator()(const ASTVarSet& ast) {
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ExprDecompiler expr_parser{decomp};
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const Id condition = expr_parser.Visit(ast.condition);
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decomp.Emit(decomp.OpStore(decomp.flow_variables.at(ast.index), condition));
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}
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void operator()(VideoCommon::Shader::ASTLabel& ast) {
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void operator()([[maybe_unused]] const ASTLabel& ast) {
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// Do nothing
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}
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void operator()(VideoCommon::Shader::ASTGoto& ast) {
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void operator()([[maybe_unused]] const ASTGoto& ast) {
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UNREACHABLE();
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}
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void operator()(VideoCommon::Shader::ASTDoWhile& ast) {
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void operator()(const ASTDoWhile& ast) {
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const Id loop_label = decomp.OpLabel();
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const Id endloop_label = decomp.OpLabel();
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const Id loop_start_block = decomp.OpLabel();
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@ -1787,7 +1787,7 @@ public:
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decomp.Emit(endloop_label);
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}
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void operator()(VideoCommon::Shader::ASTReturn& ast) {
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void operator()(const ASTReturn& ast) {
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if (!VideoCommon::Shader::ExprIsTrue(ast.condition)) {
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ExprDecompiler expr_parser{decomp};
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const Id condition = expr_parser.Visit(ast.condition);
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@ -1817,7 +1817,7 @@ public:
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}
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}
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void operator()(VideoCommon::Shader::ASTBreak& ast) {
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void operator()(const ASTBreak& ast) {
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if (!VideoCommon::Shader::ExprIsTrue(ast.condition)) {
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ExprDecompiler expr_parser{decomp};
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const Id condition = expr_parser.Visit(ast.condition);
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@ -1837,7 +1837,7 @@ public:
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}
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}
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void Visit(VideoCommon::Shader::ASTNode& node) {
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void Visit(const ASTNode& node) {
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std::visit(*this, *node->GetInnerData());
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}
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@ -1853,9 +1853,11 @@ void SPIRVDecompiler::DecompileAST() {
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Name(id, fmt::format("flow_var_{}", i));
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flow_variables.emplace(i, AddGlobalVariable(id));
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}
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const ASTNode program = ir.GetASTProgram();
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ASTDecompiler decompiler{*this};
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VideoCommon::Shader::ASTNode program = ir.GetASTProgram();
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decompiler.Visit(program);
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const Id next_block = OpLabel();
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Emit(OpBranch(next_block));
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Emit(next_block);
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