1 files changed, 3 insertions, 6 deletions
diff --git a/lib/CodeGen/ProcessImplicitDefs.cpp b/lib/CodeGen/ProcessImplicitDefs.cpp
index 0c5173a..360e8d7 100644
--- a/lib/CodeGen/ProcessImplicitDefs.cpp
+++ b/lib/CodeGen/ProcessImplicitDefs.cpp
@@ -41,9 +41,9 @@ public:
     initializeProcessImplicitDefsPass(*PassRegistry::getPassRegistry());
   }
 
-  virtual void getAnalysisUsage(AnalysisUsage &au) const;
+  void getAnalysisUsage(AnalysisUsage &au) const override;
 
-  virtual bool runOnMachineFunction(MachineFunction &fn);
+  bool runOnMachineFunction(MachineFunction &fn) override;
 };
 } // end anonymous namespace
 
@@ -80,10 +80,7 @@ void ProcessImplicitDefs::processImplicitDef(MachineInstr *MI) {
   if (TargetRegisterInfo::isVirtualRegister(Reg)) {
     // For virtual registers, mark all uses as <undef>, and convert users to
     // implicit-def when possible.
-    for (MachineRegisterInfo::use_nodbg_iterator UI =
-         MRI->use_nodbg_begin(Reg),
-         UE = MRI->use_nodbg_end(); UI != UE; ++UI) {
-      MachineOperand &MO = UI.getOperand();
+    for (MachineOperand &MO : MRI->use_nodbg_operands(Reg)) {
       MO.setIsUndef();
       MachineInstr *UserMI = MO.getParent();
       if (!canTurnIntoImplicitDef(UserMI))