Introduce and use convenience methods for getting pointer types

where the element is of a basic builtin type.  For example, to get
an i8* use getInt8PtrTy.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83379 91177308-0d34-0410-b5e6-96231b3b80d8

21 files changed, 98 insertions, 58 deletions

diff --git a/lib/Analysis/PointerTracking.cpp b/lib/Analysis/PointerTracking.cpp
index 22818369b8..43f4af36d8 100644
--- a/lib/Analysis/PointerTracking.cpp
+++ b/lib/Analysis/PointerTracking.cpp
@@ -48,7 +48,7 @@ void PointerTracking::getAnalysisUsage(AnalysisUsage &AU) const {
 }
 
 bool PointerTracking::doInitialization(Module &M) {
-  const Type *PTy = PointerType::getUnqual(Type::getInt8Ty(M.getContext()));
+  const Type *PTy = Type::getInt8PtrTy(M.getContext());
 
   // Find calloc(i64, i64) or calloc(i32, i32).
   callocFunc = M.getFunction("calloc");
diff --git a/lib/Analysis/ScalarEvolutionExpander.cpp b/lib/Analysis/ScalarEvolutionExpander.cpp
index f5df026c8f..d674ee847f 100644
--- a/lib/Analysis/ScalarEvolutionExpander.cpp
+++ b/lib/Analysis/ScalarEvolutionExpander.cpp
@@ -464,7 +464,7 @@ Value *SCEVExpander::expandAddToGEP(const SCEV *const *op_begin,
   if (!AnyNonZeroIndices) {
     // Cast the base to i8*.
     V = InsertNoopCastOfTo(V,
-       Type::getInt8Ty(Ty->getContext())->getPointerTo(PTy->getAddressSpace()));
+       Type::getInt8PtrTy(Ty->getContext(), PTy->getAddressSpace()));
 
     // Expand the operands for a plain byte offset.
     Value *Idx = expandCodeFor(SE.getAddExpr(Ops), Ty);
diff --git a/lib/CodeGen/DwarfEHPrepare.cpp b/lib/CodeGen/DwarfEHPrepare.cpp
index 0ae7b35cc3..72b3f92d32 100644
--- a/lib/CodeGen/DwarfEHPrepare.cpp
+++ b/lib/CodeGen/DwarfEHPrepare.cpp
@@ -236,7 +236,7 @@ bool DwarfEHPrepare::LowerUnwinds() {
   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 e3bbdb26ea..9336b973c0 100644
--- a/lib/CodeGen/IntrinsicLowering.cpp
+++ b/lib/CodeGen/IntrinsicLowering.cpp
@@ -103,22 +103,22 @@ void IntrinsicLowering::AddPrototypes(Module &M) {
         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 3728b7fe44..00c5d46d21 100644
--- a/lib/CodeGen/PseudoSourceValue.cpp
+++ b/lib/CodeGen/PseudoSourceValue.cpp
@@ -44,7 +44,7 @@ static const char *const PSVNames[] = {
 // 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 541ab9a417..25a499b889 100644
--- a/lib/CodeGen/ShadowStackGC.cpp
+++ b/lib/CodeGen/ShadowStackGC.cpp
@@ -189,7 +189,7 @@ ShadowStackGC::ShadowStackGC() : Head(0), StackEntryTy(0) {
 
 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 38996ff6cd..04bc6cf892 100644
--- a/lib/CodeGen/SjLjEHPrepare.cpp
+++ b/lib/CodeGen/SjLjEHPrepare.cpp
@@ -88,7 +88,7 @@ bool SjLjEHPass::doInitialization(Module &M) {
   // 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 @@ bool SjLjEHPass::insertSjLjEHSupport(Function &F) {
       // 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 @@ bool SjLjEHPass::insertSjLjEHSupport(Function &F) {
     // 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());
diff --git a/lib/ExecutionEngine/ExecutionEngine.cpp b/lib/ExecutionEngine/ExecutionEngine.cpp
index d3430a376a..52718ebb87 100644
--- a/lib/ExecutionEngine/ExecutionEngine.cpp
+++ b/lib/ExecutionEngine/ExecutionEngine.cpp
@@ -243,7 +243,7 @@ static void *CreateArgv(LLVMContext &C, ExecutionEngine *EE,
   char *Result = new char[(InputArgv.size()+1)*PtrSize];
 
   DEBUG(errs() << "JIT: ARGV = " << (void*)Result << "\n");
-  const Type *SBytePtr = PointerType::getUnqual(Type::getInt8Ty(C));
+  const Type *SBytePtr = Type::getInt8PtrTy(C);
 
   for (unsigned i = 0; i != InputArgv.size(); ++i) {
     unsigned Size = InputArgv[i].size()+1;
diff --git a/lib/Transforms/IPO/ExtractGV.cpp b/lib/Transforms/IPO/ExtractGV.cpp
index 3dd3a80a15..191100c2e2 100644
--- a/lib/Transforms/IPO/ExtractGV.cpp
+++ b/lib/Transforms/IPO/ExtractGV.cpp
@@ -102,7 +102,7 @@ namespace {
       {
         std::vector<Constant *> AUGs;
         const Type *SBP=
-              PointerType::getUnqual(Type::getInt8Ty(M.getContext()));
+              Type::getInt8PtrTy(M.getContext());
         for (std::vector<GlobalValue*>::iterator GI = Named.begin(), 
                GE = Named.end(); GI != GE; ++GI) {
           (*GI)->setLinkage(GlobalValue::ExternalLinkage);
diff --git a/lib/Transforms/IPO/LowerSetJmp.cpp b/lib/Transforms/IPO/LowerSetJmp.cpp
index 5dff47aa81..55194b34cf 100644
--- a/lib/Transforms/IPO/LowerSetJmp.cpp
+++ b/lib/Transforms/IPO/LowerSetJmp.cpp
@@ -201,7 +201,7 @@ bool LowerSetJmp::runOnModule(Module& M) {
 // This function is always successful, unless it isn't.
 bool LowerSetJmp::doInitialization(Module& M)
 {
-  const Type *SBPTy = PointerType::getUnqual(Type::getInt8Ty(M.getContext()));
+  const Type *SBPTy = Type::getInt8PtrTy(M.getContext());
   const Type *SBPPTy = PointerType::getUnqual(SBPTy);
 
   // N.B. See llvm/runtime/GCCLibraries/libexception/SJLJ-Exception.h for
@@ -266,7 +266,7 @@ bool LowerSetJmp::IsTransformableFunction(const std::string& Name) {
 void LowerSetJmp::TransformLongJmpCall(CallInst* Inst)
 {
   const Type* SBPTy =
-        PointerType::getUnqual(Type::getInt8Ty(Inst->getContext()));
+        Type::getInt8PtrTy(Inst->getContext());
 
   // Create the call to "__llvm_sjljeh_throw_longjmp". This takes the
   // same parameters as "longjmp", except that the buffer is cast to a
@@ -319,7 +319,7 @@ AllocaInst* LowerSetJmp::GetSetJmpMap(Function* Func)
 
   // Fill in the alloca and call to initialize the SJ map.
   const Type *SBPTy =
-        PointerType::getUnqual(Type::getInt8Ty(Func->getContext()));
+        Type::getInt8PtrTy(Func->getContext());
   AllocaInst* Map = new AllocaInst(SBPTy, 0, "SJMap", Inst);
   CallInst::Create(InitSJMap, Map, "", Inst);
   return SJMap[Func] = Map;
@@ -389,7 +389,7 @@ void LowerSetJmp::TransformSetJmpCall(CallInst* Inst)
 
   // Add this setjmp to the setjmp map.
   const Type* SBPTy =
-          PointerType::getUnqual(Type::getInt8Ty(Inst->getContext()));
+          Type::getInt8PtrTy(Inst->getContext());
   CastInst* BufPtr = 
     new BitCastInst(Inst->getOperand(1), SBPTy, "SBJmpBuf", Inst);
   std::vector<Value*> Args = 
diff --git a/lib/Transforms/IPO/RaiseAllocations.cpp b/lib/Transforms/IPO/RaiseAllocations.cpp
index 7b4ad27694..4c1f26d50d 100644
--- a/lib/Transforms/IPO/RaiseAllocations.cpp
+++ b/lib/Transforms/IPO/RaiseAllocations.cpp
@@ -77,7 +77,7 @@ void RaiseAllocations::doInitialization(Module &M) {
 
     // Get the expected prototype for malloc
     const FunctionType *Malloc1Type = 
-      FunctionType::get(PointerType::getUnqual(Type::getInt8Ty(M.getContext())),
+      FunctionType::get(Type::getInt8PtrTy(M.getContext()),
                       std::vector<const Type*>(1,
                                       Type::getInt64Ty(M.getContext())), false);
 
@@ -229,7 +229,7 @@ bool RaiseAllocations::runOnModule(Module &M) {
           Value *Source = *CS.arg_begin();
           if (!isa<PointerType>(Source->getType()))
             Source = new IntToPtrInst(Source,           
-                        PointerType::getUnqual(Type::getInt8Ty(M.getContext())), 
+                        Type::getInt8PtrTy(M.getContext()), 
                                       "FreePtrCast", I);
           new FreeInst(Source, I);
 
diff --git a/lib/Transforms/Instrumentation/ProfilingUtils.cpp b/lib/Transforms/Instrumentation/ProfilingUtils.cpp
index 88a1d2a07c..1679bea08c 100644
--- a/lib/Transforms/Instrumentation/ProfilingUtils.cpp
+++ b/lib/Transforms/Instrumentation/ProfilingUtils.cpp
@@ -25,9 +25,9 @@ void llvm::InsertProfilingInitCall(Function *MainFn, const char *FnName,
                                    GlobalValue *Array) {
   LLVMContext &Context = MainFn->getContext();
   const Type *ArgVTy = 
-    PointerType::getUnqual(PointerType::getUnqual(Type::getInt8Ty(Context)));
+    PointerType::getUnqual(Type::getInt8PtrTy(Context));
   const PointerType *UIntPtr =
-        PointerType::getUnqual(Type::getInt32Ty(Context));
+        Type::getInt32PtrTy(Context);
   Module &M = *MainFn->getParent();
   Constant *InitFn = M.getOrInsertFunction(FnName, Type::getInt32Ty(Context),
                                            Type::getInt32Ty(Context),
diff --git a/lib/Transforms/Scalar/InstructionCombining.cpp b/lib/Transforms/Scalar/InstructionCombining.cpp
index 0daa6a5548..66776dde4c 100644
--- a/lib/Transforms/Scalar/InstructionCombining.cpp
+++ b/lib/Transforms/Scalar/InstructionCombining.cpp
@@ -9947,7 +9947,7 @@ Instruction *InstCombiner::visitCallSite(CallSite CS) {
       // If the call and callee calling conventions don't match, this call must
       // be unreachable, as the call is undefined.
       new StoreInst(ConstantInt::getTrue(*Context),
-                UndefValue::get(PointerType::getUnqual(Type::getInt1Ty(*Context))), 
+                UndefValue::get(Type::getInt1PtrTy(*Context)), 
                                   OldCall);
       if (!OldCall->use_empty())
         OldCall->replaceAllUsesWith(UndefValue::get(OldCall->getType()));
@@ -9961,7 +9961,7 @@ Instruction *InstCombiner::visitCallSite(CallSite CS) {
     // undef so that we know that this code is not reachable, despite the fact
     // that we can't modify the CFG here.
     new StoreInst(ConstantInt::getTrue(*Context),
-               UndefValue::get(PointerType::getUnqual(Type::getInt1Ty(*Context))),
+               UndefValue::get(Type::getInt1PtrTy(*Context)),
                   CS.getInstruction());
 
     if (!CS.getInstruction()->use_empty())
@@ -11235,7 +11235,7 @@ Instruction *InstCombiner::visitFreeInst(FreeInst &FI) {
   if (isa<UndefValue>(Op)) {
     // Insert a new store to null because we cannot modify the CFG here.
     new StoreInst(ConstantInt::getTrue(*Context),
-           UndefValue::get(PointerType::getUnqual(Type::getInt1Ty(*Context))), &FI);
+           UndefValue::get(Type::getInt1PtrTy(*Context)), &FI);
     return EraseInstFromFunction(FI);
   }
   
diff --git a/lib/Transforms/Scalar/MemCpyOptimizer.cpp b/lib/Transforms/Scalar/MemCpyOptimizer.cpp
index 30cdeee826..c922814833 100644
--- a/lib/Transforms/Scalar/MemCpyOptimizer.cpp
+++ b/lib/Transforms/Scalar/MemCpyOptimizer.cpp
@@ -443,7 +443,7 @@ bool MemCpyOpt::processStore(StoreInst *SI, BasicBlock::iterator &BBI) {
     StartPtr = Range.StartPtr;
   
     // Cast the start ptr to be i8* as memset requires.
-    const Type *i8Ptr = PointerType::getUnqual(Type::getInt8Ty(Context));
+    const Type *i8Ptr = Type::getInt8PtrTy(Context);
     if (StartPtr->getType() != i8Ptr)
       StartPtr = new BitCastInst(StartPtr, i8Ptr, StartPtr->getName(),
                                  InsertPt);
diff --git a/lib/Transforms/Scalar/SimplifyLibCalls.cpp b/lib/Transforms/Scalar/SimplifyLibCalls.cpp
index ab458a604e..68a3fb6093 100644
--- a/lib/Transforms/Scalar/SimplifyLibCalls.cpp
+++ b/lib/Transforms/Scalar/SimplifyLibCalls.cpp
@@ -124,7 +124,7 @@ public:
 /// CastToCStr - Return V if it is an i8*, otherwise cast it to i8*.
 Value *LibCallOptimization::CastToCStr(Value *V, IRBuilder<> &B) {
   return
-        B.CreateBitCast(V, PointerType::getUnqual(Type::getInt8Ty(*Context)), "cstr");
+        B.CreateBitCast(V, Type::getInt8PtrTy(*Context), "cstr");
 }
 
 /// EmitStrLen - Emit a call to the strlen function to the builder, for the
@@ -138,7 +138,7 @@ Value *LibCallOptimization::EmitStrLen(Value *Ptr, IRBuilder<> &B) {
 
   Constant *StrLen =M->getOrInsertFunction("strlen", AttrListPtr::get(AWI, 2),
                                            TD->getIntPtrType(*Context),
-                                    PointerType::getUnqual(Type::getInt8Ty(*Context)),
+                                    Type::getInt8PtrTy(*Context),
                                            NULL);
   CallInst *CI = B.CreateCall(StrLen, CastToCStr(Ptr, B), "strlen");
   if (const Function *F = dyn_cast<Function>(StrLen->stripPointerCasts()))
@@ -169,8 +169,8 @@ Value *LibCallOptimization::EmitMemChr(Value *Ptr, Value *Val,
   AWI = AttributeWithIndex::get(~0u, Attribute::ReadOnly | Attribute::NoUnwind);
 
   Value *MemChr = M->getOrInsertFunction("memchr", AttrListPtr::get(&AWI, 1),
-                                    PointerType::getUnqual(Type::getInt8Ty(*Context)),
-                                    PointerType::getUnqual(Type::getInt8Ty(*Context)),
+                                    Type::getInt8PtrTy(*Context),
+                                    Type::getInt8PtrTy(*Context),
                                          Type::getInt32Ty(*Context), TD->getIntPtrType(*Context),
                                          NULL);
   CallInst *CI = B.CreateCall3(MemChr, CastToCStr(Ptr, B), Val, Len, "memchr");
@@ -193,8 +193,8 @@ Value *LibCallOptimization::EmitMemCmp(Value *Ptr1, Value *Ptr2,
 
   Value *MemCmp = M->getOrInsertFunction("memcmp", AttrListPtr::get(AWI, 3),
                                          Type::getInt32Ty(*Context),
-                                    PointerType::getUnqual(Type::getInt8Ty(*Context)),
-                                    PointerType::getUnqual(Type::getInt8Ty(*Context)),
+                                    Type::getInt8PtrTy(*Context),
+                                    Type::getInt8PtrTy(*Context),
                                          TD->getIntPtrType(*Context), NULL);
   CallInst *CI = B.CreateCall3(MemCmp, CastToCStr(Ptr1, B), CastToCStr(Ptr2, B),
                                Len, "memcmp");
@@ -273,7 +273,7 @@ void LibCallOptimization::EmitPutS(Value *Str, IRBuilder<> &B) {
 
   Value *PutS = M->getOrInsertFunction("puts", AttrListPtr::get(AWI, 2),
                                        Type::getInt32Ty(*Context),
-                                    PointerType::getUnqual(Type::getInt8Ty(*Context)),
+                                    Type::getInt8PtrTy(*Context),
                                        NULL);
   CallInst *CI = B.CreateCall(PutS, CastToCStr(Str, B), "puts");
   if (const Function *F = dyn_cast<Function>(PutS->stripPointerCasts()))
@@ -313,11 +313,11 @@ void LibCallOptimization::EmitFPutS(Value *Str, Value *File, IRBuilder<> &B) {
   Constant *F;
   if (isa<PointerType>(File->getType()))
     F = M->getOrInsertFunction("fputs", AttrListPtr::get(AWI, 3), Type::getInt32Ty(*Context),
-                               PointerType::getUnqual(Type::getInt8Ty(*Context)),
+                               Type::getInt8PtrTy(*Context),
                                File->getType(), NULL);
   else
     F = M->getOrInsertFunction("fputs", Type::getInt32Ty(*Context),
-                               PointerType::getUnqual(Type::getInt8Ty(*Context)),
+                               Type::getInt8PtrTy(*Context),
                                File->getType(), NULL);
   CallInst *CI = B.CreateCall2(F, CastToCStr(Str, B), File, "fputs");
 
@@ -338,12 +338,12 @@ void LibCallOptimization::EmitFWrite(Value *Ptr, Value *Size, Value *File,
   if (isa<PointerType>(File->getType()))
     F = M->getOrInsertFunction("fwrite", AttrListPtr::get(AWI, 3),
                                TD->getIntPtrType(*Context),
-                               PointerType::getUnqual(Type::getInt8Ty(*Context)),
+                               Type::getInt8PtrTy(*Context),
                                TD->getIntPtrType(*Context), TD->getIntPtrType(*Context),
                                File->getType(), NULL);
   else
     F = M->getOrInsertFunction("fwrite", TD->getIntPtrType(*Context),
-                               PointerType::getUnqual(Type::getInt8Ty(*Context)),
+                               Type::getInt8PtrTy(*Context),
                                TD->getIntPtrType(*Context), TD->getIntPtrType(*Context),
                                File->getType(), NULL);
   CallInst *CI = B.CreateCall4(F, CastToCStr(Ptr, B), Size,
@@ -510,7 +510,7 @@ struct StrCatOpt : public LibCallOptimization {
     // Verify the "strcat" function prototype.
     const FunctionType *FT = Callee->getFunctionType();
     if (FT->getNumParams() != 2 ||
-        FT->getReturnType() != PointerType::getUnqual(Type::getInt8Ty(*Context)) ||
+        FT->getReturnType() != Type::getInt8PtrTy(*Context) ||
         FT->getParamType(0) != FT->getReturnType() ||
         FT->getParamType(1) != FT->getReturnType())
       return 0;
@@ -560,7 +560,7 @@ struct StrNCatOpt : public StrCatOpt {
     // Verify the "strncat" function prototype.
     const FunctionType *FT = Callee->getFunctionType();
     if (FT->getNumParams() != 3 ||
-        FT->getReturnType() != PointerType::getUnqual(Type::getInt8Ty(*Context)) ||
+        FT->getReturnType() != Type::getInt8PtrTy(*Context) ||
         FT->getParamType(0) != FT->getReturnType() ||
         FT->getParamType(1) != FT->getReturnType() ||
         !isa<IntegerType>(FT->getParamType(2)))
@@ -608,7 +608,7 @@ struct StrChrOpt : public LibCallOptimization {
     // Verify the "strchr" function prototype.
     const FunctionType *FT = Callee->getFunctionType();
     if (FT->getNumParams() != 2 ||
-        FT->getReturnType() != PointerType::getUnqual(Type::getInt8Ty(*Context)) ||
+        FT->getReturnType() != Type::getInt8PtrTy(*Context) ||
         FT->getParamType(0) != FT->getReturnType())
       return 0;
     
@@ -666,7 +666,7 @@ struct StrCmpOpt : public LibCallOptimization {
     const FunctionType *FT = Callee->getFunctionType();
     if (FT->getNumParams() != 2 || FT->getReturnType() != Type::getInt32Ty(*Context) ||
         FT->getParamType(0) != FT->getParamType(1) ||
-        FT->getParamType(0) != PointerType::getUnqual(Type::getInt8Ty(*Context)))
+        FT->getParamType(0) != Type::getInt8PtrTy(*Context))
       return 0;
     
     Value *Str1P = CI->getOperand(1), *Str2P = CI->getOperand(2);
@@ -713,7 +713,7 @@ struct StrNCmpOpt : public LibCallOptimization {
     const FunctionType *FT = Callee->getFunctionType();
     if (FT->getNumParams() != 3 || FT->getReturnType() != Type::getInt32Ty(*Context) ||
         FT->getParamType(0) != FT->getParamType(1) ||
-        FT->getParamType(0) != PointerType::getUnqual(Type::getInt8Ty(*Context)) ||
+        FT->getParamType(0) != Type::getInt8PtrTy(*Context) ||
         !isa<IntegerType>(FT->getParamType(2)))
       return 0;
     
@@ -759,7 +759,7 @@ struct StrCpyOpt : public LibCallOptimization {
     const FunctionType *FT = Callee->getFunctionType();
     if (FT->getNumParams() != 2 || FT->getReturnType() != FT->getParamType(0) ||
         FT->getParamType(0) != FT->getParamType(1) ||
-        FT->getParamType(0) != PointerType::getUnqual(Type::getInt8Ty(*Context)))
+        FT->getParamType(0) != Type::getInt8PtrTy(*Context))
       return 0;
     
     Value *Dst = CI->getOperand(1), *Src = CI->getOperand(2);
@@ -789,7 +789,7 @@ struct StrNCpyOpt : public LibCallOptimization {
     const FunctionType *FT = Callee->getFunctionType();
     if (FT->getNumParams() != 3 || FT->getReturnType() != FT->getParamType(0) ||
         FT->getParamType(0) != FT->getParamType(1) ||
-        FT->getParamType(0) != PointerType::getUnqual(Type::getInt8Ty(*Context)) ||
+        FT->getParamType(0) != Type::getInt8PtrTy(*Context) ||
         !isa<IntegerType>(FT->getParamType(2)))
       return 0;
 
@@ -837,7 +837,7 @@ struct StrLenOpt : public LibCallOptimization {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
     const FunctionType *FT = Callee->getFunctionType();
     if (FT->getNumParams() != 1 ||
-        FT->getParamType(0) != PointerType::getUnqual(Type::getInt8Ty(*Context)) ||
+        FT->getParamType(0) != Type::getInt8PtrTy(*Context) ||
         !isa<IntegerType>(FT->getReturnType()))
       return 0;
     
diff --git a/lib/Transforms/Utils/InlineFunction.cpp b/lib/Transforms/Utils/InlineFunction.cpp
index f9efc34dd9..0d00d69c8c 100644
--- a/lib/Transforms/Utils/InlineFunction.cpp
+++ b/lib/Transforms/Utils/InlineFunction.cpp
@@ -316,7 +316,7 @@ bool llvm::InlineFunction(CallSite CS, CallGraph *CG, const TargetData *TD,
           !CalledFunc->onlyReadsMemory()) {
         const Type *AggTy = cast<PointerType>(I->getType())->getElementType();
         const Type *VoidPtrTy = 
-            PointerType::getUnqual(Type::getInt8Ty(Context));
+            Type::getInt8PtrTy(Context);
 
         // Create the alloca.  If we have TargetData, use nice alignment.
         unsigned Align = 1;
diff --git a/lib/Transforms/Utils/LowerAllocations.cpp b/lib/Transforms/Utils/LowerAllocations.cpp
index 2df953c149..f26d7c146e 100644
--- a/lib/Transforms/Utils/LowerAllocations.cpp
+++ b/lib/Transforms/Utils/LowerAllocations.cpp
@@ -87,7 +87,7 @@ Pass *llvm::createLowerAllocationsPass(bool LowerMallocArgToInteger) {
 // This function is always successful.
 //
 bool LowerAllocations::doInitialization(Module &M) {
-  const Type *BPTy = PointerType::getUnqual(Type::getInt8Ty(M.getContext()));
+  const Type *BPTy = Type::getInt8PtrTy(M.getContext());
   FreeFunc = M.getOrInsertFunction("free"  , Type::getVoidTy(M.getContext()),
                                    BPTy, (Type *)0);
   return true;
@@ -123,7 +123,7 @@ bool LowerAllocations::runOnBasicBlock(BasicBlock &BB) {
     } else if (FreeInst *FI = dyn_cast<FreeInst>(I)) {
       Value *PtrCast = 
         new BitCastInst(FI->getOperand(0),
-               PointerType::getUnqual(Type::getInt8Ty(BB.getContext())), "", I);
+               Type::getInt8PtrTy(BB.getContext()), "", I);
 
       // Insert a call to the free function...
       CallInst::Create(FreeFunc, PtrCast, "", I)->setTailCall();
diff --git a/lib/Transforms/Utils/LowerInvoke.cpp b/lib/Transforms/Utils/LowerInvoke.cpp
index 4ecf6d7ba2..9a3de26492 100644
--- a/lib/Transforms/Utils/LowerInvoke.cpp
+++ b/lib/Transforms/Utils/LowerInvoke.cpp
@@ -116,7 +116,7 @@ FunctionPass *llvm::createLowerInvokePass(const TargetLowering *TLI) {
 // current module.
 bool LowerInvoke::doInitialization(Module &M) {
   const Type *VoidPtrTy =
-          PointerType::getUnqual(Type::getInt8Ty(M.getContext()));
+          Type::getInt8PtrTy(M.getContext());
   AbortMessage = 0;
   if (ExpensiveEHSupport) {
     // Insert a type for the linked list of jump buffers.
@@ -530,7 +530,7 @@ bool LowerInvoke::insertExpensiveEHSupport(Function &F) {
                                                  "TheJmpBuf",
                                                  EntryBB->getTerminator());
     JmpBufPtr = new BitCastInst(JmpBufPtr,
-                        PointerType::getUnqual(Type::getInt8Ty(F.getContext())),
+                        Type::getInt8PtrTy(F.getContext()),
                                 "tmp", EntryBB->getTerminator());
     Value *SJRet = CallInst::Create(SetJmpFn, JmpBufPtr, "sjret",
                                     EntryBB->getTerminator());
@@ -585,7 +585,7 @@ bool LowerInvoke::insertExpensiveEHSupport(Function &F) {
   Idx[0] = GetElementPtrInst::Create(BufPtr, Idx.begin(), Idx.end(), "JmpBuf",
                                      UnwindBlock);
   Idx[0] = new BitCastInst(Idx[0],
-             PointerType::getUnqual(Type::getInt8Ty(F.getContext())),
+             Type::getInt8PtrTy(F.getContext()),
                            "tmp", UnwindBlock);
   Idx[1] = ConstantInt::get(Type::getInt32Ty(F.getContext()), 1);
   CallInst::Create(LongJmpFn, Idx.begin(), Idx.end(), "", UnwindBlock);
diff --git a/lib/VMCore/AutoUpgrade.cpp b/lib/VMCore/AutoUpgrade.cpp
index 3f23b8d993..f70075d9e6 100644
--- a/lib/VMCore/AutoUpgrade.cpp
+++ b/lib/VMCore/AutoUpgrade.cpp
@@ -265,7 +265,7 @@ void llvm::UpgradeIntrinsicCall(CallInst *CI, Function *NewFn) {
       if (isLoadH || isLoadL) {
         Value *Op1 = UndefValue::get(Op0->getType());
         Value *Addr = new BitCastInst(CI->getOperand(2), 
-                                  PointerType::getUnqual(Type::getDoubleTy(C)),
+                                  Type::getDoublePtrTy(C),
                                       "upgraded.", CI);
         Value *Load = new LoadInst(Addr, "upgraded.", false, 8, CI);
         Value *Idx = ConstantInt::get(Type::getInt32Ty(C), 0);
diff --git a/lib/VMCore/Instructions.cpp b/lib/VMCore/Instructions.cpp
index c2fddfa347..f3d15cb2b8 100644
--- a/lib/VMCore/Instructions.cpp
+++ b/lib/VMCore/Instructions.cpp
@@ -498,7 +498,7 @@ static Value *createMalloc(Instruction *InsertBefore, BasicBlock *InsertAtEnd,
   // Create the call to Malloc.
   BasicBlock* BB = InsertBefore ? InsertBefore->getParent() : InsertAtEnd;
   Module* M = BB->getParent()->getParent();
-  const Type *BPTy = PointerType::getUnqual(Type::getInt8Ty(BB->getContext()));
+  const Type *BPTy = Type::getInt8PtrTy(BB->getContext());
   // prototype malloc as "void *malloc(size_t)"
   Constant *MallocF = M->getOrInsertFunction("malloc", BPTy, IntPtrTy, NULL);
   if (!cast<Function>(MallocF)->doesNotAlias(0))
diff --git a/lib/VMCore/Type.cpp b/lib/VMCore/Type.cpp
index 087464de46..b6423795ca 100644
--- a/lib/VMCore/Type.cpp
+++ b/lib/VMCore/Type.cpp
@@ -358,6 +358,46 @@ const IntegerType *Type::getInt64Ty(LLVMContext &C) {
   return &C.pImpl->Int64Ty;
 }
 
+const PointerType *Type::getFloatPtrTy(LLVMContext &C, unsigned AS) {
+  return getFloatTy(C)->getPointerTo(AS);
+}
+
+const PointerType *Type::getDoublePtrTy(LLVMContext &C, unsigned AS) {
+  return getDoubleTy(C)->getPointerTo(AS);
+}
+
+const PointerType *Type::getX86_FP80PtrTy(LLVMContext &C, unsigned AS) {
+  return getX86_FP80Ty(C)->getPointerTo(AS);
+}
+
+const PointerType *Type::getFP128PtrTy(LLVMContext &C, unsigned AS) {
+  return getFP128Ty(C)->getPointerTo(AS);
+}
+
+const PointerType *Type::getPPC_FP128PtrTy(LLVMContext &C, unsigned AS) {
+  return getPPC_FP128Ty(C)->getPointerTo(AS);
+}
+
+const PointerType *Type::getInt1PtrTy(LLVMContext &C, unsigned AS) {
+  return getInt1Ty(C)->getPointerTo(AS);
+}
+
+const PointerType *Type::getInt8PtrTy(LLVMContext &C, unsigned AS) {
+  return getInt8Ty(C)->getPointerTo(AS);
+}
+
+const PointerType *Type::getInt16PtrTy(LLVMContext &C, unsigned AS) {
+  return getInt16Ty(C)->getPointerTo(AS);
+}
+
+const PointerType *Type::getInt32PtrTy(LLVMContext &C, unsigned AS) {
+  return getInt32Ty(C)->getPointerTo(AS);
+}
+
+const PointerType *Type::getInt64PtrTy(LLVMContext &C, unsigned AS) {
+  return getInt64Ty(C)->getPointerTo(AS);
+}
+
 //===----------------------------------------------------------------------===//
 //                          Derived Type Constructors
 //===----------------------------------------------------------------------===//