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-rw-r--r--src/glsl/opt_copy_propagation_elements.cpp10
1 files changed, 10 insertions, 0 deletions
diff --git a/src/glsl/opt_copy_propagation_elements.cpp b/src/glsl/opt_copy_propagation_elements.cpp
index a91e624cb72..be446bc08ba 100644
--- a/src/glsl/opt_copy_propagation_elements.cpp
+++ b/src/glsl/opt_copy_propagation_elements.cpp
@@ -108,6 +108,7 @@ public:
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 *);
+ virtual ir_visitor_status visit_leave(class ir_swizzle *);
void handle_rvalue(ir_rvalue **rvalue);
@@ -179,6 +180,15 @@ ir_copy_propagation_elements_visitor::visit_leave(ir_assignment *ir)
return visit_continue;
}
+ir_visitor_status
+ir_copy_propagation_elements_visitor::visit_leave(ir_swizzle *ir)
+{
+ /* Don't visit the values of swizzles since they are handled while
+ * visiting the swizzle itself.
+ */
+ return visit_continue;
+}
+
/**
* Replaces dereferences of ACP RHS variables with ACP LHS variables.
*