1 files changed, 5 insertions, 1 deletions
diff --git a/src/compiler/glsl/propagate_invariance.cpp b/src/compiler/glsl/propagate_invariance.cpp
index b3f1d810cdb..2673fa16378 100644
--- a/src/compiler/glsl/propagate_invariance.cpp
+++ b/src/compiler/glsl/propagate_invariance.cpp
@@ -113,13 +113,17 @@ ir_invariance_propagation_visitor::visit(ir_dereference_variable *ir)
    return visit_continue;
 }
 
-void
+bool
 propagate_invariance(exec_list *instructions)
 {
    ir_invariance_propagation_visitor visitor;
+   bool progress = false;
 
    do {
       visitor.progress = false;
       visit_list_elements(&visitor, instructions);
+      progress = progress || visitor.progress;
    } while (visitor.progress);
+
+   return progress;
 }