diff --git a/include/llvm/Target/TargetRegisterInfo.h b/include/llvm/Target/TargetRegisterInfo.h
index a7552565c93..fc94a849aaf 100644
--- a/include/llvm/Target/TargetRegisterInfo.h
+++ b/include/llvm/Target/TargetRegisterInfo.h
@@ -694,13 +694,13 @@ public:
     return false;
   }
 
-  /// UpdateRegAllocHint - A callback to allow target a chance to update
+  /// updateRegAllocHint - A callback to allow target a chance to update
   /// register allocation hints when a register is "changed" (e.g. coalesced)
   /// to another register. e.g. On ARM, some virtual registers should target
   /// register pairs, if one of pair is coalesced to another register, the
   /// allocation hint of the other half of the pair should be changed to point
   /// to the new register.
-  virtual void UpdateRegAllocHint(unsigned Reg, unsigned NewReg,
+  virtual void updateRegAllocHint(unsigned Reg, unsigned NewReg,
                                   MachineFunction &MF) const {
     // Do nothing.
   }
diff --git a/lib/CodeGen/RegisterCoalescer.cpp b/lib/CodeGen/RegisterCoalescer.cpp
index a8afd48bdf5..1e4cfe8f15d 100644
--- a/lib/CodeGen/RegisterCoalescer.cpp
+++ b/lib/CodeGen/RegisterCoalescer.cpp
@@ -1393,7 +1393,7 @@ bool RegisterCoalescer::joinCopy(MachineInstr *CopyMI, bool &Again) {
   LIS->removeInterval(CP.getSrcReg());
 
   // Update regalloc hint.
-  TRI->UpdateRegAllocHint(CP.getSrcReg(), CP.getDstReg(), *MF);
+  TRI->updateRegAllocHint(CP.getSrcReg(), CP.getDstReg(), *MF);
 
   DEBUG({
     dbgs() << "\tSuccess: " << PrintReg(CP.getSrcReg(), TRI, CP.getSrcIdx())
diff --git a/lib/Target/ARM/ARMBaseRegisterInfo.cpp b/lib/Target/ARM/ARMBaseRegisterInfo.cpp
index 0517e3697d1..b3fd4033d21 100644
--- a/lib/Target/ARM/ARMBaseRegisterInfo.cpp
+++ b/lib/Target/ARM/ARMBaseRegisterInfo.cpp
@@ -264,7 +264,7 @@ ARMBaseRegisterInfo::getRegAllocationHints(unsigned VirtReg,
 }
 
 void
-ARMBaseRegisterInfo::UpdateRegAllocHint(unsigned Reg, unsigned NewReg,
+ARMBaseRegisterInfo::updateRegAllocHint(unsigned Reg, unsigned NewReg,
                                         MachineFunction &MF) const {
   MachineRegisterInfo *MRI = &MF.getRegInfo();
   std::pair<unsigned, unsigned> Hint = MRI->getRegAllocationHint(Reg);
diff --git a/lib/Target/ARM/ARMBaseRegisterInfo.h b/lib/Target/ARM/ARMBaseRegisterInfo.h
index e9bc412e99e..17027c26c2a 100644
--- a/lib/Target/ARM/ARMBaseRegisterInfo.h
+++ b/lib/Target/ARM/ARMBaseRegisterInfo.h
@@ -135,7 +135,7 @@ public:
                              const MachineFunction &MF,
                              const VirtRegMap *VRM) const override;
 
-  void UpdateRegAllocHint(unsigned Reg, unsigned NewReg,
+  void updateRegAllocHint(unsigned Reg, unsigned NewReg,
                           MachineFunction &MF) const override;
 
   bool avoidWriteAfterWrite(const TargetRegisterClass *RC) const override;