diff --git a/llvm/lib/Target/X86/X86TargetMachine.cpp b/llvm/lib/Target/X86/X86TargetMachine.cpp
index 5af02d0..7dd878e 100644
--- a/llvm/lib/Target/X86/X86TargetMachine.cpp
+++ b/llvm/lib/Target/X86/X86TargetMachine.cpp
@@ -11,23 +11,39 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "X86TargetMachine.h"
+#include "MCTargetDesc/X86MCTargetDesc.h"
 #include "X86.h"
 #include "X86CallLowering.h"
 #include "X86MacroFusion.h"
+#include "X86Subtarget.h"
+#include "X86TargetMachine.h"
 #include "X86TargetObjectFile.h"
 #include "X86TargetTransformInfo.h"
+#include "llvm/ADT/Optional.h"
+#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/STLExtras.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/ADT/Triple.h"
+#include "llvm/Analysis/TargetTransformInfo.h"
+#include "llvm/CodeGen/GlobalISel/CallLowering.h"
 #include "llvm/CodeGen/GlobalISel/GISelAccessor.h"
 #include "llvm/CodeGen/GlobalISel/IRTranslator.h"
 #include "llvm/CodeGen/MachineScheduler.h"
 #include "llvm/CodeGen/Passes.h"
 #include "llvm/CodeGen/TargetPassConfig.h"
+#include "llvm/IR/Attributes.h"
+#include "llvm/IR/DataLayout.h"
 #include "llvm/IR/Function.h"
-#include "llvm/IR/LegacyPassManager.h"
+#include "llvm/Pass.h"
+#include "llvm/Support/CodeGen.h"
 #include "llvm/Support/CommandLine.h"
-#include "llvm/Support/FormattedStream.h"
+#include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/TargetRegistry.h"
+#include "llvm/Target/TargetLoweringObjectFile.h"
 #include "llvm/Target/TargetOptions.h"
+#include <memory>
+#include <string>
+
 using namespace llvm;
 
 static cl::opt<bool> EnableMachineCombinerPass("x86-machine-combiner",
@@ -35,8 +51,10 @@
                                cl::init(true), cl::Hidden);
 
 namespace llvm {
+
 void initializeWinEHStatePassPass(PassRegistry &);
-}
+
+} // end namespace llvm
 
 extern "C" void LLVMInitializeX86Target() {
   // Register the target.
@@ -53,22 +71,22 @@
 static std::unique_ptr<TargetLoweringObjectFile> createTLOF(const Triple &TT) {
   if (TT.isOSBinFormatMachO()) {
     if (TT.getArch() == Triple::x86_64)
-      return make_unique<X86_64MachoTargetObjectFile>();
-    return make_unique<TargetLoweringObjectFileMachO>();
+      return llvm::make_unique<X86_64MachoTargetObjectFile>();
+    return llvm::make_unique<TargetLoweringObjectFileMachO>();
   }
 
   if (TT.isOSFreeBSD())
-    return make_unique<X86FreeBSDTargetObjectFile>();
+    return llvm::make_unique<X86FreeBSDTargetObjectFile>();
   if (TT.isOSLinux() || TT.isOSNaCl())
-    return make_unique<X86LinuxNaClTargetObjectFile>();
+    return llvm::make_unique<X86LinuxNaClTargetObjectFile>();
   if (TT.isOSFuchsia())
-    return make_unique<X86FuchsiaTargetObjectFile>();
+    return llvm::make_unique<X86FuchsiaTargetObjectFile>();
   if (TT.isOSBinFormatELF())
-    return make_unique<X86ELFTargetObjectFile>();
+    return llvm::make_unique<X86ELFTargetObjectFile>();
   if (TT.isKnownWindowsMSVCEnvironment() || TT.isWindowsCoreCLREnvironment())
-    return make_unique<X86WindowsTargetObjectFile>();
+    return llvm::make_unique<X86WindowsTargetObjectFile>();
   if (TT.isOSBinFormatCOFF())
-    return make_unique<TargetLoweringObjectFileCOFF>();
+    return llvm::make_unique<TargetLoweringObjectFileCOFF>();
   llvm_unreachable("unknown subtarget type");
 }
 
@@ -178,31 +196,39 @@
   initAsmInfo();
 }
 
-X86TargetMachine::~X86TargetMachine() {}
+X86TargetMachine::~X86TargetMachine() = default;
 
 #ifdef LLVM_BUILD_GLOBAL_ISEL
 namespace {
+
 struct X86GISelActualAccessor : public GISelAccessor {
   std::unique_ptr<CallLowering> CL;
+
   X86GISelActualAccessor(CallLowering* CL): CL(CL) {}
+
   const CallLowering *getCallLowering() const override {
     return CL.get();
   }
+
   const InstructionSelector *getInstructionSelector() const override {
     //TODO: Implement
     return nullptr;
   }
+
   const LegalizerInfo *getLegalizerInfo() const override {
     //TODO: Implement
     return nullptr;
   }
+
   const RegisterBankInfo *getRegBankInfo() const override {
     //TODO: Implement
     return nullptr;
   }
 };
-} // End anonymous namespace.
+
+} // end anonymous namespace
 #endif
+
 const X86Subtarget *
 X86TargetMachine::getSubtargetImpl(const Function &F) const {
   Attribute CPUAttr = F.getFnAttribute("target-cpu");
@@ -271,12 +297,12 @@
   });
 }
 
-
 //===----------------------------------------------------------------------===//
 // Pass Pipeline Configuration
 //===----------------------------------------------------------------------===//
 
 namespace {
+
 /// X86 Code Generator Pass Configuration Options.
 class X86PassConfig : public TargetPassConfig {
 public:
@@ -302,14 +328,15 @@
   bool addRegBankSelect() override;
   bool addGlobalInstructionSelect() override;
 #endif
-bool addILPOpts() override;
+  bool addILPOpts() override;
   bool addPreISel() override;
   void addPreRegAlloc() override;
   void addPostRegAlloc() override;
   void addPreEmitPass() override;
   void addPreSched2() override;
 };
-} // namespace
+
+} // end anonymous namespace
 
 TargetPassConfig *X86TargetMachine::createPassConfig(PassManagerBase &PM) {
   return new X86PassConfig(this, PM);