private:
virtual void visit(VariableReference &);
- virtual void visit(InterfaceBlockReference &);
virtual void visit(FunctionCall &);
virtual void visit(VariableDeclaration &);
virtual void visit(Return &);
Block *assign_scope = 0;
std::vector<ExpressionUse> uses;
bool trivial = false;
+ bool blocked = false;
};
std::list<ExpressionInfo> expressions;
virtual void visit(BinaryExpression &);
virtual void visit(StructDeclaration &) { }
virtual void visit(VariableDeclaration &);
- virtual void visit(InterfaceBlock &) { }
+ virtual void visit(FunctionDeclaration &);
};
/** Replaces expressions consisting entirely of literals with the results of
bool r_external_side_effects = false;
public:
- void apply(Stage &);
+ bool apply(Stage &);
private:
ConstantStatus check_constant_condition(const Expression &);
virtual void visit(Iteration &);
};
+/** Removes code which is never executed due to flow control statements. */
class UnreachableCodeRemover: private TraversingVisitor
{
private:
virtual void visit(ImageTypeDeclaration &);
virtual void visit(StructDeclaration &);
virtual void visit(VariableDeclaration &);
- virtual void visit(InterfaceBlock &);
virtual void visit(FunctionDeclaration &);
};
struct VariableInfo
{
- InterfaceBlock *interface_block = 0;
std::vector<AssignmentInfo *> assignments;
bool initialized = false;
bool output = false;
Stage *stage = 0;
BlockVariableMap variables;
std::list<AssignmentInfo> assignments;
- InterfaceBlock *interface_block = 0;
Assignment *r_assignment = 0;
bool assignment_target = false;
bool r_side_effects = false;
private:
void referenced(const Assignment::Target &, Node &);
virtual void visit(VariableReference &);
- virtual void visit(InterfaceBlockReference &);
void visit_composite(Expression &);
virtual void visit(MemberAccess &);
virtual void visit(Swizzle &);
virtual void visit(ExpressionStatement &);
virtual void visit(StructDeclaration &);
virtual void visit(VariableDeclaration &);
- virtual void visit(InterfaceBlock &);
void merge_variables(const BlockVariableMap &);
virtual void visit(FunctionDeclaration &);
virtual void visit(Conditional &);