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Perform constant folding on array indices.

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Replaces a constant var deref with a constant value in CorrectParse1.frag.
This commit is contained in:
Eric Anholt 2010-04-06 11:11:05 -07:00
parent af18641f0a
commit bae5be356e
1 changed files with 8 additions and 1 deletions
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9
ir_constant_folding.cpp
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@ -88,7 +88,14 @@ ir_constant_folding_visitor::visit(ir_swizzle *ir)
void
ir_constant_folding_visitor::visit(ir_dereference *ir)
{
(void) 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);
}