diff --git a/lib/CodeGen/DwarfEHPrepare.cpp b/lib/CodeGen/DwarfEHPrepare.cpp
index 0ae7b35..72b3f92 100644
--- a/lib/CodeGen/DwarfEHPrepare.cpp
+++ b/lib/CodeGen/DwarfEHPrepare.cpp
@@ -236,7 +236,7 @@
   if (!RewindFunction) {
     LLVMContext &Ctx = UnwindInsts[0]->getContext();
     std::vector<const Type*>
-      Params(1, PointerType::getUnqual(Type::getInt8Ty(Ctx)));
+      Params(1, Type::getInt8PtrTy(Ctx));
     FunctionType *FTy = FunctionType::get(Type::getVoidTy(Ctx),
                                           Params, false);
     const char *RewindName = TLI->getLibcallName(RTLIB::UNWIND_RESUME);
diff --git a/lib/CodeGen/IntrinsicLowering.cpp b/lib/CodeGen/IntrinsicLowering.cpp
index e3bbdb2..9336b97 100644
--- a/lib/CodeGen/IntrinsicLowering.cpp
+++ b/lib/CodeGen/IntrinsicLowering.cpp
@@ -103,22 +103,22 @@
         break;
       case Intrinsic::memcpy:
         M.getOrInsertFunction("memcpy",
-          PointerType::getUnqual(Type::getInt8Ty(Context)),
-                              PointerType::getUnqual(Type::getInt8Ty(Context)), 
-                              PointerType::getUnqual(Type::getInt8Ty(Context)), 
+          Type::getInt8PtrTy(Context),
+                              Type::getInt8PtrTy(Context), 
+                              Type::getInt8PtrTy(Context), 
                               TD.getIntPtrType(Context), (Type *)0);
         break;
       case Intrinsic::memmove:
         M.getOrInsertFunction("memmove",
-          PointerType::getUnqual(Type::getInt8Ty(Context)),
-                              PointerType::getUnqual(Type::getInt8Ty(Context)), 
-                              PointerType::getUnqual(Type::getInt8Ty(Context)), 
+          Type::getInt8PtrTy(Context),
+                              Type::getInt8PtrTy(Context), 
+                              Type::getInt8PtrTy(Context), 
                               TD.getIntPtrType(Context), (Type *)0);
         break;
       case Intrinsic::memset:
         M.getOrInsertFunction("memset",
-          PointerType::getUnqual(Type::getInt8Ty(Context)),
-                              PointerType::getUnqual(Type::getInt8Ty(Context)), 
+          Type::getInt8PtrTy(Context),
+                              Type::getInt8PtrTy(Context), 
                               Type::getInt32Ty(M.getContext()), 
                               TD.getIntPtrType(Context), (Type *)0);
         break;
diff --git a/lib/CodeGen/PseudoSourceValue.cpp b/lib/CodeGen/PseudoSourceValue.cpp
index 3728b7f..00c5d46 100644
--- a/lib/CodeGen/PseudoSourceValue.cpp
+++ b/lib/CodeGen/PseudoSourceValue.cpp
@@ -44,7 +44,7 @@
 // static.  For now, we can safely use the global context for the time being to
 // squeak by.
 PseudoSourceValue::PseudoSourceValue() :
-  Value(PointerType::getUnqual(Type::getInt8Ty(getGlobalContext())),
+  Value(Type::getInt8PtrTy(getGlobalContext()),
         PseudoSourceValueVal) {}
 
 void PseudoSourceValue::printCustom(raw_ostream &O) const {
diff --git a/lib/CodeGen/ShadowStackGC.cpp b/lib/CodeGen/ShadowStackGC.cpp
index 541ab9a..25a499b 100644
--- a/lib/CodeGen/ShadowStackGC.cpp
+++ b/lib/CodeGen/ShadowStackGC.cpp
@@ -189,7 +189,7 @@
 
 Constant *ShadowStackGC::GetFrameMap(Function &F) {
   // doInitialization creates the abstract type of this value.
-  Type *VoidPtr = PointerType::getUnqual(Type::getInt8Ty(F.getContext()));
+  const Type *VoidPtr = Type::getInt8PtrTy(F.getContext());
 
   // Truncate the ShadowStackDescriptor if some metadata is null.
   unsigned NumMeta = 0;
diff --git a/lib/CodeGen/SjLjEHPrepare.cpp b/lib/CodeGen/SjLjEHPrepare.cpp
index 38996ff..04bc6cf 100644
--- a/lib/CodeGen/SjLjEHPrepare.cpp
+++ b/lib/CodeGen/SjLjEHPrepare.cpp
@@ -88,7 +88,7 @@
   // Build the function context structure.
   // builtin_setjmp uses a five word jbuf
   const Type *VoidPtrTy =
-          PointerType::getUnqual(Type::getInt8Ty(M.getContext()));
+          Type::getInt8PtrTy(M.getContext());
   const Type *Int32Ty = Type::getInt32Ty(M.getContext());
   FunctionContextTy =
     StructType::get(M.getContext(),
@@ -378,7 +378,7 @@
       // the instruction hasn't already been removed.
       if (!I->getParent()) continue;
       Value *Val = new LoadInst(ExceptionAddr, "exception", true, I);
-      Type *Ty = PointerType::getUnqual(Type::getInt8Ty(F.getContext()));
+      const Type *Ty = Type::getInt8PtrTy(F.getContext());
       Val = CastInst::Create(Instruction::IntToPtr, Val, Ty, "", I);
 
       I->replaceAllUsesWith(Val);
@@ -455,8 +455,8 @@
     // Call the setjmp instrinsic. It fills in the rest of the jmpbuf
     Value *SetjmpArg =
       CastInst::Create(Instruction::BitCast, FieldPtr,
-                        Type::getInt8Ty(F.getContext())->getPointerTo(), "",
-                        EntryBB->getTerminator());
+                       Type::getInt8PtrTy(F.getContext()), "",
+                       EntryBB->getTerminator());
     Value *DispatchVal = CallInst::Create(BuiltinSetjmpFn, SetjmpArg,
                                           "dispatch",
                                           EntryBB->getTerminator());