diff --git a/clang/lib/CodeGen/TargetInfo.h b/clang/lib/CodeGen/TargetInfo.h
--- a/clang/lib/CodeGen/TargetInfo.h
+++ b/clang/lib/CodeGen/TargetInfo.h
@@ -43,11 +43,10 @@
 /// codegeneration issues, like target-specific attributes, builtins and so
 /// on.
 class TargetCodeGenInfo {
-  ABIInfo *Info;
+  std::unique_ptr<ABIInfo> Info = nullptr;
 
 public:
-  // WARNING: Acquires the ownership of ABIInfo.
-  TargetCodeGenInfo(ABIInfo *info = nullptr) : Info(info) {}
+  TargetCodeGenInfo(std::unique_ptr<ABIInfo> Info) : Info(std::move(Info)) {}
   virtual ~TargetCodeGenInfo();
 
   /// getABIInfo() - Returns ABI info helper for the target.
diff --git a/clang/lib/CodeGen/TargetInfo.cpp b/clang/lib/CodeGen/TargetInfo.cpp
--- a/clang/lib/CodeGen/TargetInfo.cpp
+++ b/clang/lib/CodeGen/TargetInfo.cpp
@@ -385,7 +385,7 @@
   return Address(PHI, Align);
 }
 
-TargetCodeGenInfo::~TargetCodeGenInfo() { delete Info; }
+TargetCodeGenInfo::~TargetCodeGenInfo() = default;
 
 // If someone can figure out a general rule for this, that would be great.
 // It's probably just doomed to be platform-dependent, though.
@@ -682,7 +682,7 @@
 class DefaultTargetCodeGenInfo : public TargetCodeGenInfo {
 public:
   DefaultTargetCodeGenInfo(CodeGen::CodeGenTypes &CGT)
-    : TargetCodeGenInfo(new DefaultABIInfo(CGT)) {}
+      : TargetCodeGenInfo(std::make_unique<DefaultABIInfo>(CGT)) {}
 };
 
 ABIArgInfo DefaultABIInfo::classifyArgumentType(QualType Ty) const {
@@ -772,7 +772,7 @@
 public:
   explicit WebAssemblyTargetCodeGenInfo(CodeGen::CodeGenTypes &CGT,
                                         WebAssemblyABIInfo::ABIKind K)
-      : TargetCodeGenInfo(new WebAssemblyABIInfo(CGT, K)) {}
+      : TargetCodeGenInfo(std::make_unique<WebAssemblyABIInfo>(CGT, K)) {}
 
   void setTargetAttributes(const Decl *D, llvm::GlobalValue *GV,
                            CodeGen::CodeGenModule &CGM) const override {
@@ -898,8 +898,8 @@
 
 class PNaClTargetCodeGenInfo : public TargetCodeGenInfo {
  public:
-  PNaClTargetCodeGenInfo(CodeGen::CodeGenTypes &CGT)
-    : TargetCodeGenInfo(new PNaClABIInfo(CGT)) {}
+   PNaClTargetCodeGenInfo(CodeGen::CodeGenTypes &CGT)
+       : TargetCodeGenInfo(std::make_unique<PNaClABIInfo>(CGT)) {}
 };
 
 void PNaClABIInfo::computeInfo(CGFunctionInfo &FI) const {
@@ -1140,7 +1140,7 @@
   X86_32TargetCodeGenInfo(CodeGen::CodeGenTypes &CGT, bool DarwinVectorABI,
                           bool RetSmallStructInRegABI, bool Win32StructABI,
                           unsigned NumRegisterParameters, bool SoftFloatABI)
-      : TargetCodeGenInfo(new X86_32ABIInfo(
+      : TargetCodeGenInfo(std::make_unique<X86_32ABIInfo>(
             CGT, DarwinVectorABI, RetSmallStructInRegABI, Win32StructABI,
             NumRegisterParameters, SoftFloatABI)) {}
 
@@ -2343,7 +2343,7 @@
 class X86_64TargetCodeGenInfo : public TargetCodeGenInfo {
 public:
   X86_64TargetCodeGenInfo(CodeGen::CodeGenTypes &CGT, X86AVXABILevel AVXLevel)
-      : TargetCodeGenInfo(new X86_64ABIInfo(CGT, AVXLevel)) {}
+      : TargetCodeGenInfo(std::make_unique<X86_64ABIInfo>(CGT, AVXLevel)) {}
 
   const X86_64ABIInfo &getABIInfo() const {
     return static_cast<const X86_64ABIInfo&>(TargetCodeGenInfo::getABIInfo());
@@ -2487,7 +2487,7 @@
 public:
   WinX86_64TargetCodeGenInfo(CodeGen::CodeGenTypes &CGT,
                              X86AVXABILevel AVXLevel)
-      : TargetCodeGenInfo(new WinX86_64ABIInfo(CGT, AVXLevel)) {}
+      : TargetCodeGenInfo(std::make_unique<WinX86_64ABIInfo>(CGT, AVXLevel)) {}
 
   void setTargetAttributes(const Decl *D, llvm::GlobalValue *GV,
                            CodeGen::CodeGenModule &CGM) const override;
@@ -4235,8 +4235,8 @@
 public:
   PPC32TargetCodeGenInfo(CodeGenTypes &CGT, bool SoftFloatABI,
                          bool RetSmallStructInRegABI)
-      : TargetCodeGenInfo(new PPC32_SVR4_ABIInfo(CGT, SoftFloatABI,
-                                                 RetSmallStructInRegABI)) {}
+      : TargetCodeGenInfo(std::make_unique<PPC32_SVR4_ABIInfo>(
+            CGT, SoftFloatABI, RetSmallStructInRegABI)) {}
 
   static bool isStructReturnInRegABI(const llvm::Triple &Triple,
                                      const CodeGenOptions &Opts);
@@ -4626,8 +4626,8 @@
   PPC64_SVR4_TargetCodeGenInfo(CodeGenTypes &CGT,
                                PPC64_SVR4_ABIInfo::ABIKind Kind, bool HasQPX,
                                bool SoftFloatABI)
-      : TargetCodeGenInfo(new PPC64_SVR4_ABIInfo(CGT, Kind, HasQPX,
-                                                 SoftFloatABI)) {}
+      : TargetCodeGenInfo(std::make_unique<PPC64_SVR4_ABIInfo>(
+            CGT, Kind, HasQPX, SoftFloatABI)) {}
 
   int getDwarfEHStackPointer(CodeGen::CodeGenModule &M) const override {
     // This is recovered from gcc output.
@@ -5185,7 +5185,7 @@
 class AArch64TargetCodeGenInfo : public TargetCodeGenInfo {
 public:
   AArch64TargetCodeGenInfo(CodeGenTypes &CGT, AArch64ABIInfo::ABIKind Kind)
-      : TargetCodeGenInfo(new AArch64ABIInfo(CGT, Kind)) {}
+      : TargetCodeGenInfo(std::make_unique<AArch64ABIInfo>(CGT, Kind)) {}
 
   StringRef getARCRetainAutoreleasedReturnValueMarker() const override {
     return "mov\tfp, fp\t\t// marker for objc_retainAutoreleaseReturnValue";
@@ -5852,7 +5852,7 @@
 class ARMTargetCodeGenInfo : public TargetCodeGenInfo {
 public:
   ARMTargetCodeGenInfo(CodeGenTypes &CGT, ARMABIInfo::ABIKind K)
-    :TargetCodeGenInfo(new ARMABIInfo(CGT, K)) {}
+      : TargetCodeGenInfo(std::make_unique<ARMABIInfo>(CGT, K)) {}
 
   const ARMABIInfo &getABIInfo() const {
     return static_cast<const ARMABIInfo&>(TargetCodeGenInfo::getABIInfo());
@@ -6533,7 +6533,7 @@
 class NVPTXTargetCodeGenInfo : public TargetCodeGenInfo {
 public:
   NVPTXTargetCodeGenInfo(CodeGenTypes &CGT)
-      : TargetCodeGenInfo(new NVPTXABIInfo(CGT, *this)) {}
+      : TargetCodeGenInfo(std::make_unique<NVPTXABIInfo>(CGT, *this)) {}
 
   void setTargetAttributes(const Decl *D, llvm::GlobalValue *GV,
                            CodeGen::CodeGenModule &M) const override;
@@ -6825,7 +6825,8 @@
 class SystemZTargetCodeGenInfo : public TargetCodeGenInfo {
 public:
   SystemZTargetCodeGenInfo(CodeGenTypes &CGT, bool HasVector, bool SoftFloatABI)
-    : TargetCodeGenInfo(new SystemZABIInfo(CGT, HasVector, SoftFloatABI)) {}
+      : TargetCodeGenInfo(
+            std::make_unique<SystemZABIInfo>(CGT, HasVector, SoftFloatABI)) {}
 };
 
 }
@@ -7148,7 +7149,7 @@
 class MSP430TargetCodeGenInfo : public TargetCodeGenInfo {
 public:
   MSP430TargetCodeGenInfo(CodeGenTypes &CGT)
-    : TargetCodeGenInfo(new DefaultABIInfo(CGT)) {}
+      : TargetCodeGenInfo(std::make_unique<DefaultABIInfo>(CGT)) {}
   void setTargetAttributes(const Decl *D, llvm::GlobalValue *GV,
                            CodeGen::CodeGenModule &M) const override;
 };
@@ -7207,8 +7208,8 @@
   unsigned SizeOfUnwindException;
 public:
   MIPSTargetCodeGenInfo(CodeGenTypes &CGT, bool IsO32)
-    : TargetCodeGenInfo(new MipsABIInfo(CGT, IsO32)),
-      SizeOfUnwindException(IsO32 ? 24 : 32) {}
+      : TargetCodeGenInfo(std::make_unique<MipsABIInfo>(CGT, IsO32)),
+        SizeOfUnwindException(IsO32 ? 24 : 32) {}
 
   int getDwarfEHStackPointer(CodeGen::CodeGenModule &CGM) const override {
     return 29;
@@ -7593,7 +7594,7 @@
 class AVRTargetCodeGenInfo : public TargetCodeGenInfo {
 public:
   AVRTargetCodeGenInfo(CodeGenTypes &CGT)
-    : TargetCodeGenInfo(new DefaultABIInfo(CGT)) { }
+      : TargetCodeGenInfo(std::make_unique<DefaultABIInfo>(CGT)) {}
 
   void setTargetAttributes(const Decl *D, llvm::GlobalValue *GV,
                            CodeGen::CodeGenModule &CGM) const override {
@@ -7706,7 +7707,7 @@
 class HexagonTargetCodeGenInfo : public TargetCodeGenInfo {
 public:
   HexagonTargetCodeGenInfo(CodeGenTypes &CGT)
-    : TargetCodeGenInfo(new HexagonABIInfo(CGT)) {}
+      : TargetCodeGenInfo(std::make_unique<HexagonABIInfo>(CGT)) {}
 
   int getDwarfEHStackPointer(CodeGen::CodeGenModule &M) const override {
     return 29;
@@ -8199,7 +8200,7 @@
 class LanaiTargetCodeGenInfo : public TargetCodeGenInfo {
 public:
   LanaiTargetCodeGenInfo(CodeGen::CodeGenTypes &CGT)
-      : TargetCodeGenInfo(new LanaiABIInfo(CGT)) {}
+      : TargetCodeGenInfo(std::make_unique<LanaiABIInfo>(CGT)) {}
 };
 }
 
@@ -8467,7 +8468,7 @@
 class AMDGPUTargetCodeGenInfo : public TargetCodeGenInfo {
 public:
   AMDGPUTargetCodeGenInfo(CodeGenTypes &CGT)
-    : TargetCodeGenInfo(new AMDGPUABIInfo(CGT)) {}
+      : TargetCodeGenInfo(std::make_unique<AMDGPUABIInfo>(CGT)) {}
   void setTargetAttributes(const Decl *D, llvm::GlobalValue *GV,
                            CodeGen::CodeGenModule &M) const override;
   unsigned getOpenCLKernelCallingConv() const override;
@@ -8726,7 +8727,7 @@
 class SparcV8TargetCodeGenInfo : public TargetCodeGenInfo {
 public:
   SparcV8TargetCodeGenInfo(CodeGenTypes &CGT)
-    : TargetCodeGenInfo(new SparcV8ABIInfo(CGT)) {}
+      : TargetCodeGenInfo(std::make_unique<SparcV8ABIInfo>(CGT)) {}
 };
 } // end anonymous namespace
 
@@ -8988,7 +8989,7 @@
 class SparcV9TargetCodeGenInfo : public TargetCodeGenInfo {
 public:
   SparcV9TargetCodeGenInfo(CodeGenTypes &CGT)
-    : TargetCodeGenInfo(new SparcV9ABIInfo(CGT)) {}
+      : TargetCodeGenInfo(std::make_unique<SparcV9ABIInfo>(CGT)) {}
 
   int getDwarfEHStackPointer(CodeGen::CodeGenModule &M) const override {
     return 14;
@@ -9081,7 +9082,7 @@
 class ARCTargetCodeGenInfo : public TargetCodeGenInfo {
 public:
   ARCTargetCodeGenInfo(CodeGenTypes &CGT)
-      : TargetCodeGenInfo(new ARCABIInfo(CGT)) {}
+      : TargetCodeGenInfo(std::make_unique<ARCABIInfo>(CGT)) {}
 };
 
 
@@ -9274,7 +9275,7 @@
   mutable TypeStringCache TSC;
 public:
   XCoreTargetCodeGenInfo(CodeGenTypes &CGT)
-    :TargetCodeGenInfo(new XCoreABIInfo(CGT)) {}
+      : TargetCodeGenInfo(std::make_unique<XCoreABIInfo>(CGT)) {}
   void emitTargetMD(const Decl *D, llvm::GlobalValue *GV,
                     CodeGen::CodeGenModule &M) const override;
 };
@@ -9461,7 +9462,7 @@
 class SPIRTargetCodeGenInfo : public TargetCodeGenInfo {
 public:
   SPIRTargetCodeGenInfo(CodeGen::CodeGenTypes &CGT)
-    : TargetCodeGenInfo(new DefaultABIInfo(CGT)) {}
+      : TargetCodeGenInfo(std::make_unique<DefaultABIInfo>(CGT)) {}
   unsigned getOpenCLKernelCallingConv() const override;
 };
 
@@ -10250,7 +10251,7 @@
 public:
   RISCVTargetCodeGenInfo(CodeGen::CodeGenTypes &CGT, unsigned XLen,
                          unsigned FLen)
-      : TargetCodeGenInfo(new RISCVABIInfo(CGT, XLen, FLen)) {}
+      : TargetCodeGenInfo(std::make_unique<RISCVABIInfo>(CGT, XLen, FLen)) {}
 
   void setTargetAttributes(const Decl *D, llvm::GlobalValue *GV,
                            CodeGen::CodeGenModule &CGM) const override {