diff --git a/compiler/optimizing/optimizing_compiler.cc b/compiler/optimizing/optimizing_compiler.cc
index 6e3653a..ee92e89 100644
--- a/compiler/optimizing/optimizing_compiler.cc
+++ b/compiler/optimizing/optimizing_compiler.cc
@@ -286,6 +286,7 @@
     InstructionSimplifier(graph).Run();
     GlobalValueNumberer(graph->GetArena(), graph).Run();
     visualizer.DumpGraph(kGVNPassName);
+    InstructionSimplifier(graph).Run();
     PrepareForRegisterAllocation(graph).Run();
 
     SsaLivenessAnalysis liveness(*graph, codegen);