summaryrefslogtreecommitdiffstats
path: root/src/glsl/ir_constant_propagation.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/glsl/ir_constant_propagation.cpp')
-rw-r--r--src/glsl/ir_constant_propagation.cpp18
1 files changed, 6 insertions, 12 deletions
diff --git a/src/glsl/ir_constant_propagation.cpp b/src/glsl/ir_constant_propagation.cpp
index 76c1ce7013f..f7a0599f425 100644
--- a/src/glsl/ir_constant_propagation.cpp
+++ b/src/glsl/ir_constant_propagation.cpp
@@ -90,7 +90,7 @@ public:
virtual ir_visitor_status visit_enter(class ir_loop *);
virtual ir_visitor_status visit_enter(class ir_function_signature *);
virtual ir_visitor_status visit_enter(class ir_function *);
- virtual ir_visitor_status visit_enter(class ir_assignment *);
+ virtual ir_visitor_status visit_leave(class ir_assignment *);
virtual ir_visitor_status visit_enter(class ir_call *);
virtual ir_visitor_status visit_enter(class ir_if *);
@@ -119,7 +119,7 @@ public:
void
ir_constant_propagation_visitor::handle_rvalue(ir_rvalue **rvalue)
{
- if (!*rvalue)
+ if (this->in_assignee || !*rvalue)
return;
const glsl_type *type = (*rvalue)->type;
@@ -216,22 +216,16 @@ ir_constant_propagation_visitor::visit_enter(ir_function_signature *ir)
}
ir_visitor_status
-ir_constant_propagation_visitor::visit_enter(ir_assignment *ir)
+ir_constant_propagation_visitor::visit_leave(ir_assignment *ir)
{
- /* Inline accepting children, skipping the LHS. */
- ir->rhs->accept(this);
- handle_rvalue(&ir->rhs);
-
- if (ir->condition) {
- ir->condition->accept(this);
- handle_rvalue(&ir->condition);
- }
+ if (this->in_assignee)
+ return visit_continue;
kill(ir->lhs->variable_referenced(), ir->write_mask);
add_constant(ir);
- return visit_continue_with_parent;
+ return visit_continue;
}
ir_visitor_status