1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/Passes.cpp b/llvm/lib/CodeGen/Passes.cpp
index bac0433dc87..319c2c86503 100644
--- a/llvm/lib/CodeGen/Passes.cpp
+++ b/llvm/lib/CodeGen/Passes.cpp
@@ -607,6 +607,9 @@ void TargetPassConfig::addMachineSSAOptimization() {
   printAndVerify("After Machine LICM, CSE and Sinking passes");
 
   addPass(&PeepholeOptimizerID);
+  // Clean-up the dead code that may have been generated by peephole
+  // rewriting.
+  addPass(&DeadMachineInstructionElimID);
   printAndVerify("After codegen peephole optimization pass");
 }