diff --git a/lib/AsmParser/LLParser.cpp b/lib/AsmParser/LLParser.cpp
index 881b3e9..4b066fe 100644
--- a/lib/AsmParser/LLParser.cpp
+++ b/lib/AsmParser/LLParser.cpp
@@ -1442,7 +1442,7 @@
                    "argument attributes invalid in function type");
   }
 
-  SmallVector<const Type*, 16> ArgListTy;
+  SmallVector<Type*, 16> ArgListTy;
   for (unsigned i = 0, e = ArgList.size(); i != e; ++i)
     ArgListTy.push_back(ArgList[i].Ty);
 
@@ -2655,7 +2655,7 @@
 
   // Okay, if we got here, the function is syntactically valid.  Convert types
   // and do semantic checks.
-  std::vector<const Type*> ParamTypeList;
+  std::vector<Type*> ParamTypeList;
   SmallVector<AttributeWithIndex, 8> Attrs;
 
   if (RetAttrs != Attribute::None)
@@ -3171,7 +3171,7 @@
   if (!(PFTy = dyn_cast<PointerType>(RetType)) ||
       !(Ty = dyn_cast<FunctionType>(PFTy->getElementType()))) {
     // Pull out the types of all of the arguments...
-    std::vector<const Type*> ParamTypes;
+    std::vector<Type*> ParamTypes;
     for (unsigned i = 0, e = ArgList.size(); i != e; ++i)
       ParamTypes.push_back(ArgList[i].V->getType());
 
@@ -3508,7 +3508,7 @@
   if (!(PFTy = dyn_cast<PointerType>(RetType)) ||
       !(Ty = dyn_cast<FunctionType>(PFTy->getElementType()))) {
     // Pull out the types of all of the arguments...
-    std::vector<const Type*> ParamTypes;
+    std::vector<Type*> ParamTypes;
     for (unsigned i = 0, e = ArgList.size(); i != e; ++i)
       ParamTypes.push_back(ArgList[i].V->getType());
 
diff --git a/lib/Bitcode/Reader/BitcodeReader.cpp b/lib/Bitcode/Reader/BitcodeReader.cpp
index 1bdcfe9..0a5ba45 100644
--- a/lib/Bitcode/Reader/BitcodeReader.cpp
+++ b/lib/Bitcode/Reader/BitcodeReader.cpp
@@ -582,7 +582,7 @@
       // FUNCTION: [vararg, attrid, retty, paramty x N]
       if (Record.size() < 3)
         return Error("Invalid FUNCTION type record");
-      std::vector<const Type*> ArgTys;
+      std::vector<Type*> ArgTys;
       for (unsigned i = 3, e = Record.size(); i != e; ++i) {
         if (Type *T = getTypeByID(Record[i]))
           ArgTys.push_back(T);
@@ -838,7 +838,7 @@
       // FUNCTION: [vararg, attrid, retty, paramty x N]
       if (Record.size() < 3)
         return Error("Invalid FUNCTION type record");
-      std::vector<const Type*> ArgTys;
+      std::vector<Type*> ArgTys;
       for (unsigned i = 3, e = Record.size(); i != e; ++i) {
         if (Type *Elt = getTypeByIDOrNull(Record[i]))
           ArgTys.push_back(Elt);
diff --git a/lib/CodeGen/DwarfEHPrepare.cpp b/lib/CodeGen/DwarfEHPrepare.cpp
index 22c5465..46a8884 100644
--- a/lib/CodeGen/DwarfEHPrepare.cpp
+++ b/lib/CodeGen/DwarfEHPrepare.cpp
@@ -497,10 +497,8 @@
   // Find the rewind function if we didn't already.
   if (!RewindFunction) {
     LLVMContext &Ctx = ResumeInsts[0]->getContext();
-    std::vector<const Type*>
-      Params(1, Type::getInt8PtrTy(Ctx));
     FunctionType *FTy = FunctionType::get(Type::getVoidTy(Ctx),
-                                          Params, false);
+                                          Type::getInt8PtrTy(Ctx), false);
     const char *RewindName = TLI->getLibcallName(RTLIB::UNWIND_RESUME);
     RewindFunction = F->getParent()->getOrInsertFunction(RewindName, FTy);
   }
diff --git a/lib/CodeGen/IntrinsicLowering.cpp b/lib/CodeGen/IntrinsicLowering.cpp
index b0a8230..a1166d0 100644
--- a/lib/CodeGen/IntrinsicLowering.cpp
+++ b/lib/CodeGen/IntrinsicLowering.cpp
@@ -29,7 +29,7 @@
                                  ArgIt ArgBegin, ArgIt ArgEnd,
                                  const Type *RetTy) {
   // Insert a correctly-typed definition now.
-  std::vector<const Type *> ParamTys;
+  std::vector<Type *> ParamTys;
   for (ArgIt I = ArgBegin; I != ArgEnd; ++I)
     ParamTys.push_back(I->getType());
   M.getOrInsertFunction(Name, FunctionType::get(RetTy, ParamTys, false));
@@ -69,7 +69,7 @@
   // program already contains a function with this name.
   Module *M = CI->getParent()->getParent()->getParent();
   // Get or insert the definition now.
-  std::vector<const Type *> ParamTys;
+  std::vector<Type *> ParamTys;
   for (ArgIt I = ArgBegin; I != ArgEnd; ++I)
     ParamTys.push_back((*I)->getType());
   Constant* FCache = M->getOrInsertFunction(NewFn,
@@ -553,12 +553,12 @@
       !CI->getType()->isIntegerTy())
     return false;
 
-  const IntegerType *Ty = dyn_cast<IntegerType>(CI->getType());
+  IntegerType *Ty = dyn_cast<IntegerType>(CI->getType());
   if (!Ty)
     return false;
 
   // Okay, we can do this xform, do so now.
-  const Type *Tys[] = { Ty };
+  Type *Tys[] = { Ty };
   Module *M = CI->getParent()->getParent()->getParent();
   Constant *Int = Intrinsic::getDeclaration(M, Intrinsic::bswap, Tys, 1);
 
diff --git a/lib/Target/Blackfin/BlackfinIntrinsicInfo.cpp b/lib/Target/Blackfin/BlackfinIntrinsicInfo.cpp
index 34a8d38..ae8ee9e 100644
--- a/lib/Target/Blackfin/BlackfinIntrinsicInfo.cpp
+++ b/lib/Target/Blackfin/BlackfinIntrinsicInfo.cpp
@@ -83,7 +83,7 @@
 
 static const FunctionType *getType(LLVMContext &Context, unsigned id) {
   const Type *ResultTy = NULL;
-  std::vector<const Type*> ArgTys;
+  std::vector<Type*> ArgTys;
   bool IsVarArg = false;
   
 #define GET_INTRINSIC_GENERATOR
diff --git a/lib/Target/MBlaze/MBlazeIntrinsicInfo.cpp b/lib/Target/MBlaze/MBlazeIntrinsicInfo.cpp
index 7e4a2f5..32d67b2 100644
--- a/lib/Target/MBlaze/MBlazeIntrinsicInfo.cpp
+++ b/lib/Target/MBlaze/MBlazeIntrinsicInfo.cpp
@@ -92,7 +92,7 @@
 
 static const FunctionType *getType(LLVMContext &Context, unsigned id) {
   const Type *ResultTy = NULL;
-  std::vector<const Type*> ArgTys;
+  std::vector<Type*> ArgTys;
   bool IsVarArg = false;
 
 #define GET_INTRINSIC_GENERATOR
diff --git a/lib/Transforms/IPO/ArgumentPromotion.cpp b/lib/Transforms/IPO/ArgumentPromotion.cpp
index 54a7f67..3288ee5 100644
--- a/lib/Transforms/IPO/ArgumentPromotion.cpp
+++ b/lib/Transforms/IPO/ArgumentPromotion.cpp
@@ -493,7 +493,7 @@
   // Start by computing a new prototype for the function, which is the same as
   // the old function, but has modified arguments.
   const FunctionType *FTy = F->getFunctionType();
-  std::vector<const Type*> Params;
+  std::vector<Type*> Params;
 
   typedef std::set<IndicesVector> ScalarizeTable;
 
diff --git a/lib/Transforms/IPO/DeadArgumentElimination.cpp b/lib/Transforms/IPO/DeadArgumentElimination.cpp
index d4eaf0c..7eb5a48 100644
--- a/lib/Transforms/IPO/DeadArgumentElimination.cpp
+++ b/lib/Transforms/IPO/DeadArgumentElimination.cpp
@@ -208,7 +208,7 @@
   // the old function, but doesn't have isVarArg set.
   const FunctionType *FTy = Fn.getFunctionType();
 
-  std::vector<const Type*> Params(FTy->param_begin(), FTy->param_end());
+  std::vector<Type*> Params(FTy->param_begin(), FTy->param_end());
   FunctionType *NFTy = FunctionType::get(FTy->getReturnType(),
                                                 Params, false);
   unsigned NumArgs = Params.size();
@@ -647,7 +647,7 @@
   // Start by computing a new prototype for the function, which is the same as
   // the old function, but has fewer arguments and a different return type.
   const FunctionType *FTy = F->getFunctionType();
-  std::vector<const Type*> Params;
+  std::vector<Type*> Params;
 
   // Set up to build a new list of parameter attributes.
   SmallVector<AttributeWithIndex, 8> AttributesVec;
diff --git a/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp b/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp
index a08446e..1dfbd3e 100644
--- a/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp
+++ b/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp
@@ -1400,7 +1400,7 @@
 /// MatchBSwap - Given an OR instruction, check to see if this is a bswap idiom.
 /// If so, insert the new bswap intrinsic and return it.
 Instruction *InstCombiner::MatchBSwap(BinaryOperator &I) {
-  const IntegerType *ITy = dyn_cast<IntegerType>(I.getType());
+  IntegerType *ITy = dyn_cast<IntegerType>(I.getType());
   if (!ITy || ITy->getBitWidth() % 16 || 
       // ByteMask only allows up to 32-byte values.
       ITy->getBitWidth() > 32*8) 
@@ -1424,7 +1424,7 @@
   for (unsigned i = 1, e = ByteValues.size(); i != e; ++i)
     if (ByteValues[i] != V)
       return 0;
-  const Type *Tys[] = { ITy };
+  Type *Tys[] = { ITy };
   Module *M = I.getParent()->getParent()->getParent();
   Function *F = Intrinsic::getDeclaration(M, Intrinsic::bswap, Tys, 1);
   return CallInst::Create(F, V);
diff --git a/lib/Transforms/InstCombine/InstCombineCalls.cpp b/lib/Transforms/InstCombine/InstCombineCalls.cpp
index 27e15c3..b484365 100644
--- a/lib/Transforms/InstCombine/InstCombineCalls.cpp
+++ b/lib/Transforms/InstCombine/InstCombineCalls.cpp
@@ -217,9 +217,9 @@
         if (GVSrc->isConstant()) {
           Module *M = CI.getParent()->getParent()->getParent();
           Intrinsic::ID MemCpyID = Intrinsic::memcpy;
-          const Type *Tys[3] = { CI.getArgOperand(0)->getType(),
-                                 CI.getArgOperand(1)->getType(),
-                                 CI.getArgOperand(2)->getType() };
+          Type *Tys[3] = { CI.getArgOperand(0)->getType(),
+                           CI.getArgOperand(1)->getType(),
+                           CI.getArgOperand(2)->getType() };
           CI.setCalledFunction(Intrinsic::getDeclaration(M, MemCpyID, Tys, 3));
           Changed = true;
         }
@@ -1187,7 +1187,7 @@
   const AttrListPtr &NestAttrs = NestF->getAttributes();
   if (!NestAttrs.isEmpty()) {
     unsigned NestIdx = 1;
-    const Type *NestTy = 0;
+    Type *NestTy = 0;
     Attributes NestAttr = Attribute::None;
 
     // Look for a parameter marked with the 'nest' attribute.
@@ -1249,7 +1249,7 @@
       // Handle this by synthesizing a new function type, equal to FTy
       // with the chain parameter inserted.
 
-      std::vector<const Type*> NewTypes;
+      std::vector<Type*> NewTypes;
       NewTypes.reserve(FTy->getNumParams()+1);
 
       // Insert the chain's type into the list of parameter types, which may
diff --git a/lib/Transforms/InstCombine/InstCombineCompares.cpp b/lib/Transforms/InstCombine/InstCombineCompares.cpp
index 5a1e2b0..3cdb705 100644
--- a/lib/Transforms/InstCombine/InstCombineCompares.cpp
+++ b/lib/Transforms/InstCombine/InstCombineCompares.cpp
@@ -1683,7 +1683,7 @@
   // result and the overflow bit.
   Module *M = I.getParent()->getParent()->getParent();
   
-  const Type *NewType = IntegerType::get(OrigAdd->getContext(), NewWidth);
+  Type *NewType = IntegerType::get(OrigAdd->getContext(), NewWidth);
   Value *F = Intrinsic::getDeclaration(M, Intrinsic::sadd_with_overflow,
                                        &NewType, 1);
 
@@ -1725,7 +1725,7 @@
   Builder->SetInsertPoint(OrigAdd);
 
   Module *M = I.getParent()->getParent()->getParent();
-  const Type *Ty = LHS->getType();
+  Type *Ty = LHS->getType();
   Value *F = Intrinsic::getDeclaration(M, Intrinsic::uadd_with_overflow, &Ty,1);
   CallInst *Call = Builder->CreateCall2(F, LHS, RHS, "uadd");
   Value *Add = Builder->CreateExtractValue(Call, 0);
diff --git a/lib/Transforms/Instrumentation/GCOVProfiling.cpp b/lib/Transforms/Instrumentation/GCOVProfiling.cpp
index 07d69e8..3f2c412 100644
--- a/lib/Transforms/Instrumentation/GCOVProfiling.cpp
+++ b/lib/Transforms/Instrumentation/GCOVProfiling.cpp
@@ -572,14 +572,13 @@
 }
 
 Constant *GCOVProfiler::getStartFileFunc() {
-  const Type *Args[] = { Type::getInt8PtrTy(*Ctx) };
   const FunctionType *FTy = FunctionType::get(Type::getVoidTy(*Ctx),
-                                              Args, false);
+                                              Type::getInt8PtrTy(*Ctx), false);
   return M->getOrInsertFunction("llvm_gcda_start_file", FTy);
 }
 
 Constant *GCOVProfiler::getIncrementIndirectCounterFunc() {
-  const Type *Args[] = {
+  Type *Args[] = {
     Type::getInt32PtrTy(*Ctx),                  // uint32_t *predecessor
     Type::getInt64PtrTy(*Ctx)->getPointerTo(),  // uint64_t **state_table_row
   };
@@ -589,7 +588,7 @@
 }
 
 Constant *GCOVProfiler::getEmitFunctionFunc() {
-  const Type *Args[2] = {
+  Type *Args[2] = {
     Type::getInt32Ty(*Ctx),    // uint32_t ident
     Type::getInt8PtrTy(*Ctx),  // const char *function_name
   };
@@ -599,7 +598,7 @@
 }
 
 Constant *GCOVProfiler::getEmitArcsFunc() {
-  const Type *Args[] = {
+  Type *Args[] = {
     Type::getInt32Ty(*Ctx),     // uint32_t num_counters
     Type::getInt64PtrTy(*Ctx),  // uint64_t *counters
   };
diff --git a/lib/Transforms/Scalar/MemCpyOptimizer.cpp b/lib/Transforms/Scalar/MemCpyOptimizer.cpp
index bd4c2d6..a3a3063 100644
--- a/lib/Transforms/Scalar/MemCpyOptimizer.cpp
+++ b/lib/Transforms/Scalar/MemCpyOptimizer.cpp
@@ -840,9 +840,9 @@
   
   // If not, then we know we can transform this.
   Module *Mod = M->getParent()->getParent()->getParent();
-  const Type *ArgTys[3] = { M->getRawDest()->getType(),
-                            M->getRawSource()->getType(),
-                            M->getLength()->getType() };
+  Type *ArgTys[3] = { M->getRawDest()->getType(),
+                      M->getRawSource()->getType(),
+                      M->getLength()->getType() };
   M->setCalledFunction(Intrinsic::getDeclaration(Mod, Intrinsic::memcpy,
                                                  ArgTys, 3));
 
diff --git a/lib/Transforms/Scalar/ObjCARC.cpp b/lib/Transforms/Scalar/ObjCARC.cpp
index 89a451e..6e3e0f8 100644
--- a/lib/Transforms/Scalar/ObjCARC.cpp
+++ b/lib/Transforms/Scalar/ObjCARC.cpp
@@ -1498,8 +1498,8 @@
 Constant *ObjCARCOpt::getRetainRVCallee(Module *M) {
   if (!RetainRVCallee) {
     LLVMContext &C = M->getContext();
-    const Type *I8X = PointerType::getUnqual(Type::getInt8Ty(C));
-    std::vector<const Type *> Params;
+    Type *I8X = PointerType::getUnqual(Type::getInt8Ty(C));
+    std::vector<Type *> Params;
     Params.push_back(I8X);
     const FunctionType *FTy =
       FunctionType::get(I8X, Params, /*isVarArg=*/false);
@@ -1515,8 +1515,8 @@
 Constant *ObjCARCOpt::getAutoreleaseRVCallee(Module *M) {
   if (!AutoreleaseRVCallee) {
     LLVMContext &C = M->getContext();
-    const Type *I8X = PointerType::getUnqual(Type::getInt8Ty(C));
-    std::vector<const Type *> Params;
+    Type *I8X = PointerType::getUnqual(Type::getInt8Ty(C));
+    std::vector<Type *> Params;
     Params.push_back(I8X);
     const FunctionType *FTy =
       FunctionType::get(I8X, Params, /*isVarArg=*/false);
@@ -1532,7 +1532,7 @@
 Constant *ObjCARCOpt::getReleaseCallee(Module *M) {
   if (!ReleaseCallee) {
     LLVMContext &C = M->getContext();
-    std::vector<const Type *> Params;
+    std::vector<Type *> Params;
     Params.push_back(PointerType::getUnqual(Type::getInt8Ty(C)));
     AttrListPtr Attributes;
     Attributes.addAttr(~0u, Attribute::NoUnwind);
@@ -1548,7 +1548,7 @@
 Constant *ObjCARCOpt::getRetainCallee(Module *M) {
   if (!RetainCallee) {
     LLVMContext &C = M->getContext();
-    std::vector<const Type *> Params;
+    std::vector<Type *> Params;
     Params.push_back(PointerType::getUnqual(Type::getInt8Ty(C)));
     AttrListPtr Attributes;
     Attributes.addAttr(~0u, Attribute::NoUnwind);
@@ -1564,7 +1564,7 @@
 Constant *ObjCARCOpt::getAutoreleaseCallee(Module *M) {
   if (!AutoreleaseCallee) {
     LLVMContext &C = M->getContext();
-    std::vector<const Type *> Params;
+    std::vector<Type *> Params;
     Params.push_back(PointerType::getUnqual(Type::getInt8Ty(C)));
     AttrListPtr Attributes;
     Attributes.addAttr(~0u, Attribute::NoUnwind);
@@ -3269,9 +3269,9 @@
 Constant *ObjCARCContract::getStoreStrongCallee(Module *M) {
   if (!StoreStrongCallee) {
     LLVMContext &C = M->getContext();
-    const Type *I8X = PointerType::getUnqual(Type::getInt8Ty(C));
-    const Type *I8XX = PointerType::getUnqual(I8X);
-    std::vector<const Type *> Params;
+    Type *I8X = PointerType::getUnqual(Type::getInt8Ty(C));
+    Type *I8XX = PointerType::getUnqual(I8X);
+    std::vector<Type *> Params;
     Params.push_back(I8XX);
     Params.push_back(I8X);
 
@@ -3291,8 +3291,8 @@
 Constant *ObjCARCContract::getRetainAutoreleaseCallee(Module *M) {
   if (!RetainAutoreleaseCallee) {
     LLVMContext &C = M->getContext();
-    const Type *I8X = PointerType::getUnqual(Type::getInt8Ty(C));
-    std::vector<const Type *> Params;
+    Type *I8X = PointerType::getUnqual(Type::getInt8Ty(C));
+    std::vector<Type *> Params;
     Params.push_back(I8X);
     const FunctionType *FTy =
       FunctionType::get(I8X, Params, /*isVarArg=*/false);
@@ -3307,8 +3307,8 @@
 Constant *ObjCARCContract::getRetainAutoreleaseRVCallee(Module *M) {
   if (!RetainAutoreleaseRVCallee) {
     LLVMContext &C = M->getContext();
-    const Type *I8X = PointerType::getUnqual(Type::getInt8Ty(C));
-    std::vector<const Type *> Params;
+    Type *I8X = PointerType::getUnqual(Type::getInt8Ty(C));
+    std::vector<Type *> Params;
     Params.push_back(I8X);
     const FunctionType *FTy =
       FunctionType::get(I8X, Params, /*isVarArg=*/false);
diff --git a/lib/Transforms/Scalar/SimplifyLibCalls.cpp b/lib/Transforms/Scalar/SimplifyLibCalls.cpp
index 6247b03..66c3028 100644
--- a/lib/Transforms/Scalar/SimplifyLibCalls.cpp
+++ b/lib/Transforms/Scalar/SimplifyLibCalls.cpp
@@ -992,7 +992,7 @@
     }
 
     // ffs(x) -> x != 0 ? (i32)llvm.cttz(x)+1 : 0
-    const Type *ArgType = Op->getType();
+    Type *ArgType = Op->getType();
     Value *F = Intrinsic::getDeclaration(Callee->getParent(),
                                          Intrinsic::cttz, &ArgType, 1);
     Value *V = B.CreateCall(F, Op, "cttz");
diff --git a/lib/Transforms/Utils/CloneFunction.cpp b/lib/Transforms/Utils/CloneFunction.cpp
index 98c9f68..6ea831f 100644
--- a/lib/Transforms/Utils/CloneFunction.cpp
+++ b/lib/Transforms/Utils/CloneFunction.cpp
@@ -140,7 +140,7 @@
 Function *llvm::CloneFunction(const Function *F, ValueToValueMapTy &VMap,
                               bool ModuleLevelChanges,
                               ClonedCodeInfo *CodeInfo) {
-  std::vector<const Type*> ArgTypes;
+  std::vector<Type*> ArgTypes;
 
   // The user might be deleting arguments to the function by specifying them in
   // the VMap.  If so, we need to not add the arguments to the arg ty vector
diff --git a/lib/Transforms/Utils/CodeExtractor.cpp b/lib/Transforms/Utils/CodeExtractor.cpp
index 8c133ea..fa6641f 100644
--- a/lib/Transforms/Utils/CodeExtractor.cpp
+++ b/lib/Transforms/Utils/CodeExtractor.cpp
@@ -258,7 +258,7 @@
   default: RetTy = Type::getInt16Ty(header->getContext()); break;
   }
 
-  std::vector<const Type*> paramTy;
+  std::vector<Type*> paramTy;
 
   // Add the types of the input values to the function's argument list
   for (Values::const_iterator i = inputs.begin(),
@@ -279,7 +279,7 @@
   }
 
   DEBUG(dbgs() << "Function type: " << *RetTy << " f(");
-  for (std::vector<const Type*>::iterator i = paramTy.begin(),
+  for (std::vector<Type*>::iterator i = paramTy.begin(),
          e = paramTy.end(); i != e; ++i)
     DEBUG(dbgs() << **i << ", ");
   DEBUG(dbgs() << ")\n");
diff --git a/lib/Transforms/Utils/InlineFunction.cpp b/lib/Transforms/Utils/InlineFunction.cpp
index 348c3e4..791d30c 100644
--- a/lib/Transforms/Utils/InlineFunction.cpp
+++ b/lib/Transforms/Utils/InlineFunction.cpp
@@ -663,7 +663,7 @@
   
   LLVMContext &Context = Arg->getContext();
 
-  const Type *VoidPtrTy = Type::getInt8PtrTy(Context);
+  Type *VoidPtrTy = Type::getInt8PtrTy(Context);
   
   // Create the alloca.  If we have TargetData, use nice alignment.
   unsigned Align = 1;
@@ -680,7 +680,7 @@
   Value *NewAlloca = new AllocaInst(AggTy, 0, Align, Arg->getName(), 
                                     &*Caller->begin()->begin());
   // Emit a memcpy.
-  const Type *Tys[3] = {VoidPtrTy, VoidPtrTy, Type::getInt64Ty(Context)};
+  Type *Tys[3] = {VoidPtrTy, VoidPtrTy, Type::getInt64Ty(Context)};
   Function *MemCpyFn = Intrinsic::getDeclaration(Caller->getParent(),
                                                  Intrinsic::memcpy, 
                                                  Tys, 3);
diff --git a/lib/VMCore/Core.cpp b/lib/VMCore/Core.cpp
index d9ced94..07caefa 100644
--- a/lib/VMCore/Core.cpp
+++ b/lib/VMCore/Core.cpp
@@ -260,7 +260,7 @@
 LLVMTypeRef LLVMFunctionType(LLVMTypeRef ReturnType,
                              LLVMTypeRef *ParamTypes, unsigned ParamCount,
                              LLVMBool IsVarArg) {
-  std::vector<const Type*> Tys;
+  std::vector<Type*> Tys;
   for (LLVMTypeRef *I = ParamTypes, *E = ParamTypes + ParamCount; I != E; ++I)
     Tys.push_back(unwrap(*I));
   
diff --git a/lib/VMCore/Function.cpp b/lib/VMCore/Function.cpp
index 972319e..bde6a6d 100644
--- a/lib/VMCore/Function.cpp
+++ b/lib/VMCore/Function.cpp
@@ -333,7 +333,7 @@
   return 0;
 }
 
-std::string Intrinsic::getName(ID id, const Type **Tys, unsigned numTys) { 
+std::string Intrinsic::getName(ID id, Type **Tys, unsigned numTys) { 
   assert(id < num_intrinsics && "Invalid intrinsic ID!");
   static const char * const Table[] = {
     "not_intrinsic",
@@ -356,10 +356,10 @@
 }
 
 const FunctionType *Intrinsic::getType(LLVMContext &Context,
-                                       ID id, const Type **Tys, 
+                                       ID id, Type **Tys, 
                                        unsigned numTys) {
   const Type *ResultTy = NULL;
-  std::vector<const Type*> ArgTys;
+  std::vector<Type*> ArgTys;
   bool IsVarArg = false;
   
 #define GET_INTRINSIC_GENERATOR
@@ -384,7 +384,7 @@
 #include "llvm/Intrinsics.gen"
 #undef GET_INTRINSIC_ATTRIBUTES
 
-Function *Intrinsic::getDeclaration(Module *M, ID id, const Type **Tys, 
+Function *Intrinsic::getDeclaration(Module *M, ID id, Type **Tys, 
                                     unsigned numTys) {
   // There can never be multiple globals with the same name of different types,
   // because intrinsics must be a specific type.
diff --git a/lib/VMCore/IRBuilder.cpp b/lib/VMCore/IRBuilder.cpp
index f2d469a..0908470 100644
--- a/lib/VMCore/IRBuilder.cpp
+++ b/lib/VMCore/IRBuilder.cpp
@@ -65,7 +65,7 @@
              bool isVolatile, MDNode *TBAATag) {
   Ptr = getCastedInt8PtrValue(Ptr);
   Value *Ops[] = { Ptr, Val, Size, getInt32(Align), getInt1(isVolatile) };
-  const Type *Tys[] = { Ptr->getType(), Size->getType() };
+  Type *Tys[] = { Ptr->getType(), Size->getType() };
   Module *M = BB->getParent()->getParent();
   Value *TheFn = Intrinsic::getDeclaration(M, Intrinsic::memset, Tys, 2);
   
@@ -85,7 +85,7 @@
   Src = getCastedInt8PtrValue(Src);
 
   Value *Ops[] = { Dst, Src, Size, getInt32(Align), getInt1(isVolatile) };
-  const Type *Tys[] = { Dst->getType(), Src->getType(), Size->getType() };
+  Type *Tys[] = { Dst->getType(), Src->getType(), Size->getType() };
   Module *M = BB->getParent()->getParent();
   Value *TheFn = Intrinsic::getDeclaration(M, Intrinsic::memcpy, Tys, 3);
   
@@ -105,7 +105,7 @@
   Src = getCastedInt8PtrValue(Src);
   
   Value *Ops[] = { Dst, Src, Size, getInt32(Align), getInt1(isVolatile) };
-  const Type *Tys[] = { Dst->getType(), Src->getType(), Size->getType() };
+  Type *Tys[] = { Dst->getType(), Src->getType(), Size->getType() };
   Module *M = BB->getParent()->getParent();
   Value *TheFn = Intrinsic::getDeclaration(M, Intrinsic::memmove, Tys, 3);
   
diff --git a/lib/VMCore/Module.cpp b/lib/VMCore/Module.cpp
index 1ca7016..8a738cb 100644
--- a/lib/VMCore/Module.cpp
+++ b/lib/VMCore/Module.cpp
@@ -216,8 +216,8 @@
   va_start(Args, RetTy);
 
   // Build the list of argument types...
-  std::vector<const Type*> ArgTys;
-  while (const Type *ArgTy = va_arg(Args, const Type*))
+  std::vector<Type*> ArgTys;
+  while (Type *ArgTy = va_arg(Args, Type*))
     ArgTys.push_back(ArgTy);
 
   va_end(Args);
@@ -234,8 +234,8 @@
   va_start(Args, RetTy);
 
   // Build the list of argument types...
-  std::vector<const Type*> ArgTys;
-  while (const Type *ArgTy = va_arg(Args, const Type*))
+  std::vector<Type*> ArgTys;
+  while (Type *ArgTy = va_arg(Args, Type*))
     ArgTys.push_back(ArgTy);
 
   va_end(Args);
diff --git a/lib/VMCore/Type.cpp b/lib/VMCore/Type.cpp
index ac8b76f..40d232a 100644
--- a/lib/VMCore/Type.cpp
+++ b/lib/VMCore/Type.cpp
@@ -325,13 +325,6 @@
   NumContainedTys = Params.size() + 1; // + 1 for result type
 }
 
-// FIXME: Remove this version.
-FunctionType *FunctionType::get(const Type *ReturnType,
-                                ArrayRef<const Type*> Params, bool isVarArg) {
-  return get(ReturnType, ArrayRef<Type*>(const_cast<Type**>(Params.data()),
-                                         Params.size()), isVarArg);
-}
-
 // FunctionType::get - The factory function for the FunctionType class.
 FunctionType *FunctionType::get(const Type *ReturnType,
                                 ArrayRef<Type*> Params, bool isVarArg) {
@@ -357,7 +350,7 @@
 
 
 FunctionType *FunctionType::get(const Type *Result, bool isVarArg) {
-  return get(Result, ArrayRef<const Type *>(), isVarArg);
+  return get(Result, ArrayRef<Type *>(), isVarArg);
 }