Transfer implicit ops when forming load multiple and return instructions.

llvm-svn: 117151
diff --git a/llvm/lib/Target/ARM/ARMLoadStoreOptimizer.cpp b/llvm/lib/Target/ARM/ARMLoadStoreOptimizer.cpp
index a7d1d9f..6b9e75f 100644
--- a/llvm/lib/Target/ARM/ARMLoadStoreOptimizer.cpp
+++ b/llvm/lib/Target/ARM/ARMLoadStoreOptimizer.cpp
@@ -1196,6 +1196,7 @@
       unsigned NewOpc = isThumb2 ? ARM::t2LDM_RET : ARM::LDM_RET;
       PrevMI->setDesc(TII->get(NewOpc));
       MO.setReg(ARM::PC);
+      PrevMI->copyImplicitOps(&*MBBI);
       MBB.erase(MBBI);
       return true;
     }