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ir_dereference_array always operates on an r-value

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ir_dereference_array::array is always an r-value.  If the dereference
is of a varaible, that r-value will be an ir_dereference_variable.
This simplifies the code a bit.
This commit is contained in:
Ian Romanick
2010-06-02 13:50:27 -07:00
parent 35159b542c
commit 384c051b8c
1 changed files with 1 additions and 9 deletions
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ir_vec_index_to_swizzle.cpp
+1 -9
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@@ -64,7 +64,6 @@ ir_vec_index_to_swizzle_visitor::convert_vec_index_to_swizzle(ir_rvalue *ir)
{
ir_dereference_array *deref = ir->as_dereference_array();
ir_constant *ir_constant;
ir_rvalue *deref_var;
if (!deref)
return ir;
@@ -72,20 +71,13 @@ ir_vec_index_to_swizzle_visitor::convert_vec_index_to_swizzle(ir_rvalue *ir)
if (deref->array->type->is_matrix() || deref->array->type->is_array())
return ir;
deref_var = deref->array->as_rvalue();
if (!deref_var) {
ir_variable *var = deref->array->as_variable();
assert(var);
deref_var = new ir_dereference_variable(var);
}
assert(deref->array_index->type->base_type == GLSL_TYPE_INT);
ir_constant = deref->array_index->constant_expression_value();
if (!ir_constant)
return ir;
this->progress = true;
return new ir_swizzle(deref_var, ir_constant->value.i[0], 0, 0, 0, 1);
return new ir_swizzle(deref->array, ir_constant->value.i[0], 0, 0, 0, 1);
}
ir_visitor_status