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Use ir_rvalue::variable_referenced instead of open coding it

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This commit is contained in:
Ian Romanick 2010-05-18 13:53:20 +02:00
parent c65cfef317
commit 461c294ac5
1 changed files with 1 additions and 21 deletions
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22
ir_dead_code.cpp
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@ -146,28 +146,8 @@ ir_dead_code_visitor::visit_leave(ir_dereference *ir)
ir_visitor_status
ir_dead_code_visitor::visit_leave(ir_assignment *ir)
{
ir_instruction *lhs = ir->lhs;
/* Walk through the LHS and mark references for variables used in
* array indices but not for the assignment dereference.
*/
while (lhs) {
if (lhs->as_variable())
break;
ir_dereference *deref = lhs->as_dereference();
if (deref) {
lhs = deref->var;
} else {
ir_swizzle *swiz = lhs->as_swizzle();
lhs = swiz->val;
}
}
variable_entry *entry;
entry = this->get_variable_entry(lhs->as_variable());
entry = this->get_variable_entry(ir->lhs->variable_referenced());
if (entry) {
entry->assigned_count++;
if (entry->assign == NULL)