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Refactor ir_dereference support for ir_visitor

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Move the accept method for visitors from ir_dereference to the derived
classes.
This commit is contained in:
Ian Romanick
2010-05-19 13:20:12 +02:00
parent f3a002b503
commit c7b1046a9f
9 changed files with 176 additions and 104 deletions
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35
ir_constant_folding.cpp
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@@ -61,7 +61,9 @@ public:
virtual void visit(ir_function *);
virtual void visit(ir_expression *);
virtual void visit(ir_swizzle *);
virtual void visit(ir_dereference *);
virtual void visit(ir_dereference_variable *);
virtual void visit(ir_dereference_array *);
virtual void visit(ir_dereference_record *);
virtual void visit(ir_assignment *);
virtual void visit(ir_constant *);
virtual void visit(ir_call *);
@@ -117,15 +119,30 @@ ir_constant_folding_visitor::visit(ir_swizzle *ir)
void
ir_constant_folding_visitor::visit(ir_dereference *ir)
ir_constant_folding_visitor::visit(ir_dereference_variable *ir)
{
(void) ir;
}
void
ir_constant_folding_visitor::visit(ir_dereference_array *ir)
{
ir_constant *const_val =
ir->selector.array_index->constant_expression_value();
if (const_val)
ir->selector.array_index = const_val;
else
ir->selector.array_index->accept(this);
ir->var->accept(this);
}
void
ir_constant_folding_visitor::visit(ir_dereference_record *ir)
{
if (ir->mode == ir_dereference::ir_reference_array) {
ir_constant *const_val = ir->selector.array_index->constant_expression_value();
if (const_val)
ir->selector.array_index = const_val;
else
ir->selector.array_index->accept(this);
}
ir->var->accept(this);
}