diff --git a/lib/CodeGen/RegAllocPBQP.cpp b/lib/CodeGen/RegAllocPBQP.cpp
index eb7e563352a..849cc6c4bc0 100644
--- a/lib/CodeGen/RegAllocPBQP.cpp
+++ b/lib/CodeGen/RegAllocPBQP.cpp
@@ -170,8 +170,6 @@ public:
 
 /// @brief Add interference edges between overlapping vregs.
 class Interference : public PBQPRAConstraint {
-private:
-
 private:
 
   typedef const PBQP::RegAlloc::AllowedRegVector* AllowedRegVecPtr;
@@ -308,7 +306,7 @@ private:
                               PBQPRAGraph::NodeId MId, IMatrixCache &C) {
 
     const TargetRegisterInfo &TRI =
-      *G.getMetadata().MF.getTarget().getSubtargetImpl()->getRegisterInfo();
+        *G.getMetadata().MF.getSubtarget().getRegisterInfo();
 
     const auto &NRegs = G.getNodeMetadata(NId).getAllowedRegs();
     const auto &MRegs = G.getNodeMetadata(MId).getAllowedRegs();
@@ -342,7 +340,7 @@ public:
   void apply(PBQPRAGraph &G) override {
     MachineFunction &MF = G.getMetadata().MF;
     MachineBlockFrequencyInfo &MBFI = G.getMetadata().MBFI;
-    CoalescerPair CP(*MF.getTarget().getSubtargetImpl()->getRegisterInfo());
+    CoalescerPair CP(*MF.getSubtarget().getRegisterInfo());
 
     // Scan the machine function and add a coalescing cost whenever CoalescerPair
     // gives the Ok.
@@ -494,7 +492,7 @@ void RegAllocPBQP::initializeGraph(PBQPRAGraph &G) {
   LiveIntervals &LIS = G.getMetadata().LIS;
   const MachineRegisterInfo &MRI = G.getMetadata().MF.getRegInfo();
   const TargetRegisterInfo &TRI =
-    *G.getMetadata().MF.getTarget().getSubtargetImpl()->getRegisterInfo();
+      *G.getMetadata().MF.getSubtarget().getRegisterInfo();
 
   for (auto VReg : VRegsToAlloc) {
     const TargetRegisterClass *TRC = MRI.getRegClass(VReg);
@@ -553,8 +551,7 @@ bool RegAllocPBQP::mapPBQPToRegAlloc(const PBQPRAGraph &G,
                                      Spiller &VRegSpiller) {
   MachineFunction &MF = G.getMetadata().MF;
   LiveIntervals &LIS = G.getMetadata().LIS;
-  const TargetRegisterInfo &TRI =
-    *MF.getTarget().getSubtargetImpl()->getRegisterInfo();
+  const TargetRegisterInfo &TRI = *MF.getSubtarget().getRegisterInfo();
   (void)TRI;
 
   // Set to true if we have any spills
@@ -670,7 +667,7 @@ bool RegAllocPBQP::runOnMachineFunction(MachineFunction &MF) {
   // If there are non-empty intervals allocate them using pbqp.
   if (!VRegsToAlloc.empty()) {
 
-    const TargetSubtargetInfo &Subtarget = *MF.getTarget().getSubtargetImpl();
+    const TargetSubtargetInfo &Subtarget = MF.getSubtarget();
     std::unique_ptr<PBQPRAConstraintList> ConstraintsRoot =
       llvm::make_unique<PBQPRAConstraintList>();
     ConstraintsRoot->addConstraint(llvm::make_unique<SpillCosts>());