Index: lib/CodeGen/Passes.cpp =================================================================== --- lib/CodeGen/Passes.cpp +++ lib/CodeGen/Passes.cpp @@ -633,7 +633,7 @@ addPass(&MachineCSEID, false); addPass(&MachineSinkingID); - addPass(&PeepholeOptimizerID, false); + addPass(&PeepholeOptimizerID); // Clean-up the dead code that may have been generated by peephole // rewriting. addPass(&DeadMachineInstructionElimID);