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Fix ir_dead_code for function refactoring.

This commit is contained in:
Kenneth Graunke 2010-04-21 16:02:15 -07:00
parent 7bcd5bedcc
commit 6202cbfe36
2 changed files with 14 additions and 11 deletions
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6
ir.h
View File

@ -52,6 +52,7 @@ public:
*/
/*@{*/
virtual class ir_variable * as_variable() { return NULL; }
virtual class ir_function * as_function() { return NULL; }
virtual class ir_dereference * as_dereference() { return NULL; }
virtual class ir_rvalue * as_rvalue() { return NULL; }
virtual class ir_label * as_label() { return NULL; }
@ -243,6 +244,11 @@ class ir_function : public ir_instruction {
public:
ir_function(const char *name);
virtual ir_function *as_function()
{
return this;
}
virtual void accept(ir_visitor *v)
{
v->visit(this);

19
ir_dead_code.cpp
View File

@ -62,7 +62,6 @@ public:
*/
/*@{*/
virtual void visit(ir_variable *);
virtual void visit(ir_label *);
virtual void visit(ir_loop *);
virtual void visit(ir_loop_jump *);
virtual void visit(ir_function_signature *);
@ -121,12 +120,6 @@ ir_dead_code_visitor::visit(ir_variable *ir)
}
void
ir_dead_code_visitor::visit(ir_label *ir)
{
ir->signature->accept(this);
}
void
ir_dead_code_visitor::visit(ir_loop *ir)
{
@ -325,10 +318,14 @@ do_dead_code_unlinked(exec_list *instructions)
foreach_iter(exec_list_iterator, iter, *instructions) {
ir_instruction *ir = (ir_instruction *)iter.get();
ir_label *label = ir->as_label();
if (label) {
if (do_dead_code(&label->signature->body))
progress = true;
ir_function *f = ir->as_function();
if (f) {
foreach_iter(exec_list_iterator, sigiter, *f) {
ir_function_signature *sig =
(ir_function_signature *) sigiter.get();
if (do_dead_code(&sig->body))
progress = true;
}
}
}