glsl: Skip processing of expression trees in discard simplification.

[mesa.git] / src / glsl / opt_constant_propagation.cpp

diff --git a/src/glsl/opt_constant_propagation.cpp b/src/glsl/opt_constant_propagation.cpp
index 6719fc818638f11e0de1a64c7ea3986874402332..4425f4211934a0dd5f913e1048a2365f24419fda 100644 (file)
--- a/src/glsl/opt_constant_propagation.cpp
+++ b/src/glsl/opt_constant_propagation.cpp
@@ -78,13 +78,13 @@ public:
    ir_constant_propagation_visitor()
    {
       progress = false;
-      mem_ctx = talloc_new(0);
+      mem_ctx = ralloc_context(0);
       this->acp = new(mem_ctx) exec_list;
       this->kills = new(mem_ctx) exec_list;
    }
    ~ir_constant_propagation_visitor()
    {
-      talloc_free(mem_ctx);
+      ralloc_free(mem_ctx);
    }
 
    virtual ir_visitor_status visit_enter(class ir_loop *);
@@ -195,7 +195,7 @@ ir_constant_propagation_visitor::handle_rvalue(ir_rvalue **rvalue)
       }
    }
 
-   *rvalue = new(talloc_parent(deref)) ir_constant(type, &data);
+   *rvalue = new(ralloc_parent(deref)) ir_constant(type, &data);
    this->progress = true;
 }
 
@@ -398,11 +398,8 @@ ir_constant_propagation_visitor::add_constant(ir_assignment *ir)
 {
    acp_entry *entry;
 
-   if (ir->condition) {
-      ir_constant *condition = ir->condition->as_constant();
-      if (!condition || !condition->value.b[0])
-        return;
-   }
+   if (ir->condition)
+      return;
 
    if (!ir->write_mask)
       return;