AlexIndustrial/mesa
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

copy_propagation: do propagation into non-out call params

Browse Source
This commit is contained in:
Aras Pranckevicius
2010-08-06 16:09:02 +02:00
committed by Eric Anholt
parent 925b49ff31
commit 63cddb27d7
1 changed files with 11 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/glsl/ir_copy_propagation.cpp
+11 -5
View File
@@ -164,11 +164,17 @@ ir_copy_propagation_visitor::visit(ir_dereference_variable *ir)
ir_visitor_status
ir_copy_propagation_visitor::visit_enter(ir_call *ir)
{
(void)ir;
/* Note, if we were to do copy propagation to parameters of calls, we'd
* have to be careful about out params.
*/
/* Do copy propagation on call parameters, but skip any out params */
exec_list_iterator sig_param_iter = ir->get_callee()->parameters.iterator();
foreach_iter(exec_list_iterator, iter, ir->actual_parameters) {
ir_variable *sig_param = (ir_variable *)sig_param_iter.get();
ir_instruction *ir = (ir_instruction *)iter.get();
if (sig_param->mode != ir_var_out && sig_param->mode != ir_var_inout &&
sig_param->mode != ir_var_uniform) {
ir->accept(this);
}
sig_param_iter.next();
}
return visit_continue_with_parent;
}