1 #ifndef MSP_GL_SL_OPTIMIZE_H_
2 #define MSP_GL_SL_OPTIMIZE_H_
13 class InlineableFunctionLocator: private TraversingVisitor
16 std::map<FunctionDeclaration *, unsigned> refcounts;
17 std::set<FunctionDeclaration *> inlineable;
18 FunctionDeclaration *in_function;
21 InlineableFunctionLocator();
23 const std::set<FunctionDeclaration *> &apply(Stage &s) { visit(s.content); return inlineable; }
26 virtual void visit(FunctionCall &);
27 virtual void visit(FunctionDeclaration &);
28 using TraversingVisitor::visit;
31 class FunctionInliner: private TraversingVisitor
34 std::set<FunctionDeclaration *> inlineable;
35 unsigned extract_result;
36 RefPtr<Expression> inline_result;
40 FunctionInliner(const std::set<FunctionDeclaration *> &);
42 void apply(Stage &s) { visit(s.content); }
45 void visit_and_inline(RefPtr<Expression> &);
47 virtual void visit(Block &);
48 virtual void visit(UnaryExpression &);
49 virtual void visit(BinaryExpression &);
50 virtual void visit(MemberAccess &);
51 virtual void visit(FunctionCall &);
52 virtual void visit(VariableDeclaration &);
53 virtual void visit(Return &);
54 using TraversingVisitor::visit;
57 class ConstantConditionEliminator: private BlockModifier
62 ExpressionEvaluator::ValueMap variable_values;
65 ConstantConditionEliminator();
67 void apply(Stage &s) { visit(s.content); }
70 virtual void visit(Block &);
71 virtual void visit(UnaryExpression &);
72 virtual void visit(Assignment &);
73 virtual void visit(VariableDeclaration &);
74 virtual void visit(Conditional &);
75 virtual void visit(Iteration &);
76 using BlockModifier::visit;
79 class UnusedVariableLocator: private TraversingVisitor
85 std::vector<Node *> assignments;
86 bool conditionally_assigned;
92 typedef std::map<VariableDeclaration *, VariableInfo> BlockVariableMap;
94 std::set<Node *> unused_nodes;
95 std::map<VariableDeclaration *, Node *> aggregates;
97 std::vector<BlockVariableMap> variables;
98 Assignment *assignment;
99 bool assignment_target;
100 bool assign_to_subscript;
104 UnusedVariableLocator();
106 const std::set<Node *> &apply(Stage &);
109 virtual void visit(VariableReference &);
110 virtual void visit(MemberAccess &);
111 virtual void visit(BinaryExpression &);
112 virtual void visit(Assignment &);
113 void record_assignment(VariableDeclaration &, Node &, bool);
114 void clear_assignments(VariableInfo &, bool);
115 virtual void visit(ExpressionStatement &);
116 virtual void visit(StructDeclaration &);
117 virtual void visit(VariableDeclaration &);
118 virtual void visit(InterfaceBlock &);
119 virtual void visit(FunctionDeclaration &);
120 void merge_down_variables();
121 virtual void visit(Conditional &);
122 virtual void visit(Iteration &);
123 using TraversingVisitor::visit;
126 class UnusedFunctionLocator: private TraversingVisitor
129 std::set<Node *> unused_nodes;
130 std::set<FunctionDeclaration *> used_definitions;
133 const std::set<Node *> &apply(Stage &s) { visit(s.content); return unused_nodes; }
136 virtual void visit(FunctionCall &);
137 virtual void visit(FunctionDeclaration &);
138 using TraversingVisitor::visit;