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path: root/mesalib/src/glsl/opt_structure_splitting.cpp
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-rw-r--r--mesalib/src/glsl/opt_structure_splitting.cpp6
1 files changed, 6 insertions, 0 deletions
diff --git a/mesalib/src/glsl/opt_structure_splitting.cpp b/mesalib/src/glsl/opt_structure_splitting.cpp
index ec2315499..d08a5cee1 100644
--- a/mesalib/src/glsl/opt_structure_splitting.cpp
+++ b/mesalib/src/glsl/opt_structure_splitting.cpp
@@ -151,6 +151,12 @@ ir_structure_reference_visitor::visit_enter(ir_dereference_record *ir)
ir_visitor_status
ir_structure_reference_visitor::visit_enter(ir_assignment *ir)
{
+ /* If there are no structure references yet, no need to bother with
+ * processing the expression tree.
+ */
+ if (this->variable_list.is_empty())
+ return visit_continue_with_parent;
+
if (ir->lhs->as_dereference_variable() &&
ir->rhs->as_dereference_variable() &&
!ir->condition) {