++count;
/* Don't inline functions which are called more than once or are called
recursively. */
- if(count>1 || def==current_function)
+ if((count>1 && def->source!=BUILTIN_SOURCE) || def==current_function)
inlineable.erase(def);
}
has_out_params = ((*i)->interface=="out");
unsigned &count = refcounts[func.definition];
- if(count<=1 && !has_out_params)
+ if((count<=1 || func.source==BUILTIN_SOURCE) && !has_out_params)
inlineable.insert(func.definition);
SetForScope<FunctionDeclaration *> set(current_function, &func);
pass(REFERENCED)
{ }
-const string &InlineContentInjector::apply(Stage &stage, FunctionDeclaration &target_func, Block &tgt_blk, const NodeList<Statement>::iterator &ins_pt, FunctionCall &call)
+string InlineContentInjector::apply(Stage &stage, FunctionDeclaration &target_func, Block &tgt_blk, const NodeList<Statement>::iterator &ins_pt, FunctionCall &call)
{
source_func = call.declaration->definition;
return !unused_nodes.empty();
}
-void UnusedTypeRemover::visit(Literal &literal)
+void UnusedTypeRemover::visit(RefPtr<Expression> &expr)
{
- unused_nodes.erase(literal.type);
-}
-
-void UnusedTypeRemover::visit(UnaryExpression &unary)
-{
- unused_nodes.erase(unary.type);
- TraversingVisitor::visit(unary);
-}
-
-void UnusedTypeRemover::visit(BinaryExpression &binary)
-{
- unused_nodes.erase(binary.type);
- TraversingVisitor::visit(binary);
-}
-
-void UnusedTypeRemover::visit(TernaryExpression &ternary)
-{
- unused_nodes.erase(ternary.type);
- TraversingVisitor::visit(ternary);
-}
-
-void UnusedTypeRemover::visit(FunctionCall &call)
-{
- unused_nodes.erase(call.type);
- TraversingVisitor::visit(call);
+ unused_nodes.erase(expr->type);
+ TraversingVisitor::visit(expr);
}
void UnusedTypeRemover::visit(BasicTypeDeclaration &type)
void UnusedTypeRemover::visit(VariableDeclaration &var)
{
unused_nodes.erase(var.type_declaration);
+ TraversingVisitor::visit(var);
}
void UnusedTypeRemover::visit(InterfaceBlock &iface)
interface_block(0),
r_assignment(0),
assignment_target(false),
- r_side_effects(false)
+ r_side_effects(false),
+ composite_reference(false)
{ }
bool UnusedVariableRemover::apply(Stage &s)
if(i->used_by.empty())
unused_nodes.insert(i->node);
- for(map<string, InterfaceBlock *>::const_iterator i=s.interface_blocks.begin(); i!=s.interface_blocks.end(); ++i)
- if(i->second->instance_name.empty())
- unused_nodes.insert(i->second);
-
for(BlockVariableMap::const_iterator i=variables.begin(); i!=variables.end(); ++i)
{
if(i->second.output)
if(!assignment_target)
{
for(vector<AssignmentInfo *>::const_iterator i=var_info.assignments.begin(); i!=var_info.assignments.end(); ++i)
- (*i)->used_by.push_back(&node);
+ {
+ bool covered = true;
+ for(unsigned j=0; (covered && j<(*i)->target.chain_len && j<target.chain_len); ++j)
+ {
+ Assignment::Target::ChainType type1 = static_cast<Assignment::Target::ChainType>((*i)->target.chain[j]&0xC0);
+ Assignment::Target::ChainType type2 = static_cast<Assignment::Target::ChainType>(target.chain[j]&0xC0);
+ if(type1==Assignment::Target::SWIZZLE || type2==Assignment::Target::SWIZZLE)
+ {
+ unsigned index1 = (*i)->target.chain[j]&0x3F;
+ unsigned index2 = target.chain[j]&0x3F;
+ if(type1==Assignment::Target::SWIZZLE && type2==Assignment::Target::SWIZZLE)
+ covered = index1&index2;
+ else if(type1==Assignment::Target::ARRAY && index1<4)
+ covered = index2&(1<<index1);
+ else if(type2==Assignment::Target::ARRAY && index2<4)
+ covered = index1&(1<<index2);
+ /* If it's some other combination (shouldn't happen), leave
+ covered as true */
+ }
+ else
+ covered = ((*i)->target.chain[j]==target.chain[j]);
+ }
+ if(covered)
+ (*i)->used_by.push_back(&node);
+ }
}
}
void UnusedVariableRemover::visit(VariableReference &var)
{
- referenced(var.declaration, var);
+ if(composite_reference)
+ r_reference.declaration = var.declaration;
+ else
+ referenced(var.declaration, var);
}
void UnusedVariableRemover::visit(InterfaceBlockReference &iface)
{
- referenced(iface.declaration, iface);
+ if(composite_reference)
+ r_reference.declaration = iface.declaration;
+ else
+ referenced(iface.declaration, iface);
+}
+
+void UnusedVariableRemover::visit_composite(Expression &expr)
+{
+ if(!composite_reference)
+ r_reference = Assignment::Target();
+
+ SetFlag set_composite(composite_reference);
+ expr.visit(*this);
+}
+
+void UnusedVariableRemover::visit(MemberAccess &memacc)
+{
+ visit_composite(*memacc.left);
+
+ add_to_chain(r_reference, Assignment::Target::MEMBER, memacc.index);
+
+ if(!composite_reference && r_reference.declaration)
+ referenced(r_reference, memacc);
+}
+
+void UnusedVariableRemover::visit(Swizzle &swizzle)
+{
+ visit_composite(*swizzle.left);
+
+ unsigned mask = 0;
+ for(unsigned i=0; i<swizzle.count; ++i)
+ mask |= 1<<swizzle.components[i];
+ add_to_chain(r_reference, Assignment::Target::SWIZZLE, mask);
+
+ if(!composite_reference && r_reference.declaration)
+ referenced(r_reference, swizzle);
}
void UnusedVariableRemover::visit(UnaryExpression &unary)
{
if(binary.oper->token[0]=='[')
{
- binary.left->visit(*this);
- SetFlag set(assignment_target, false);
- binary.right->visit(*this);
+ visit_composite(*binary.left);
+
+ {
+ SetFlag clear_assignment(assignment_target, false);
+ SetFlag clear_composite(composite_reference, false);
+ binary.right->visit(*this);
+ }
+
+ add_to_chain(r_reference, Assignment::Target::ARRAY, 0x3F);
+
+ if(!composite_reference && r_reference.declaration)
+ referenced(r_reference, binary);
}
else
+ {
+ SetFlag clear_composite(composite_reference, false);
TraversingVisitor::visit(binary);
+ }
+}
+
+void UnusedVariableRemover::visit(TernaryExpression &ternary)
+{
+ SetFlag clear_composite(composite_reference, false);
+ TraversingVisitor::visit(ternary);
}
void UnusedVariableRemover::visit(Assignment &assign)
void UnusedVariableRemover::visit(FunctionCall &call)
{
+ SetFlag clear_composite(composite_reference, false);
TraversingVisitor::visit(call);
/* Treat function calls as having side effects so expression statements
consisting of nothing but a function call won't be optimized away. */
void UnusedVariableRemover::visit(InterfaceBlock &iface)
{
- if(iface.instance_name.empty())
- {
- SetForScope<InterfaceBlock *> set_block(interface_block, &iface);
- iface.struct_declaration->members.visit(*this);
- }
- else
- {
- VariableInfo &var_info = variables[&iface];
- var_info.output = (iface.interface=="out" && (iface.linked_block || !iface.block_name.compare(0, 3, "gl_")));
- }
+ VariableInfo &var_info = variables[&iface];
+ var_info.output = (iface.interface=="out" && (iface.linked_block || !iface.block_name.compare(0, 3, "gl_")));
}
void UnusedVariableRemover::merge_variables(const BlockVariableMap &other_vars)
projects / libs / gl.git / blobdiff