gallivm: fix no-op n:n lp_build_resize()

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

diff --git a/src/glsl/opt_redundant_jumps.cpp b/src/glsl/opt_redundant_jumps.cpp
index edf4bb6c224f9669514410f34a7537035f0dc2e3..8606dcbb71d9ddbfd0ed52b1ad9ce52ee7a09b47 100644 (file)
--- a/src/glsl/opt_redundant_jumps.cpp
+++ b/src/glsl/opt_redundant_jumps.cpp
@@ -28,6 +28,8 @@
 
 #include "ir.h"
 
+namespace {
+
 class redundant_jumps_visitor : public ir_hierarchical_visitor {
 public:
    redundant_jumps_visitor()
@@ -37,10 +39,21 @@ public:
 
    virtual ir_visitor_status visit_leave(ir_if *);
    virtual ir_visitor_status visit_leave(ir_loop *);
+   virtual ir_visitor_status visit_enter(ir_assignment *);
 
    bool progress;
 };
 
+} /* unnamed namespace */
+
+/* We only care about the top level instructions, so don't descend
+ * into expressions.
+ */
+ir_visitor_status
+redundant_jumps_visitor::visit_enter(ir_assignment *ir)
+{
+   return visit_continue_with_parent;
+}
 
 ir_visitor_status
 redundant_jumps_visitor::visit_leave(ir_if *ir)