diff --git a/include/llvm/IR/DataLayout.h b/include/llvm/IR/DataLayout.h
index 269edeb9f36..25f7569e246 100644
--- a/include/llvm/IR/DataLayout.h
+++ b/include/llvm/IR/DataLayout.h
@@ -451,7 +451,7 @@ inline uint64_t DataLayout::getTypeSizeInBits(Type *Ty) const {
   case Type::LabelTyID:
     return getPointerSizeInBits(0);
   case Type::PointerTyID:
-    return getPointerSizeInBits(cast<PointerType>(Ty)->getAddressSpace());
+    return getPointerSizeInBits(Ty->getPointerAddressSpace());
   case Type::ArrayTyID: {
     ArrayType *ATy = cast<ArrayType>(Ty);
     return ATy->getNumElements() *
@@ -461,7 +461,7 @@ inline uint64_t DataLayout::getTypeSizeInBits(Type *Ty) const {
     // Get the layout annotation... which is lazily created on demand.
     return getStructLayout(cast<StructType>(Ty))->getSizeInBits();
   case Type::IntegerTyID:
-    return cast<IntegerType>(Ty)->getBitWidth();
+    return Ty->getIntegerBitWidth();
   case Type::HalfTyID:
     return 16;
   case Type::FloatTyID:
diff --git a/lib/Transforms/InstCombine/InstCombineVectorOps.cpp b/lib/Transforms/InstCombine/InstCombineVectorOps.cpp
index 8877b99c31b..805c5d24430 100644
--- a/lib/Transforms/InstCombine/InstCombineVectorOps.cpp
+++ b/lib/Transforms/InstCombine/InstCombineVectorOps.cpp
@@ -294,7 +294,7 @@ static bool CollectSingleShuffleElements(Value *V, Value *LHS, Value *RHS,
                                          SmallVectorImpl<Constant*> &Mask) {
   assert(V->getType() == LHS->getType() && V->getType() == RHS->getType() &&
          "Invalid CollectSingleShuffleElements");
-  unsigned NumElts = cast<VectorType>(V->getType())->getNumElements();
+  unsigned NumElts = V->getType()->getVectorNumElements();
 
   if (isa<UndefValue>(V)) {
     Mask.assign(NumElts, UndefValue::get(Type::getInt32Ty(V->getContext())));
diff --git a/lib/Transforms/Scalar/CodeGenPrepare.cpp b/lib/Transforms/Scalar/CodeGenPrepare.cpp
index 67bf1bbcbf2..c1a83bf478e 100644
--- a/lib/Transforms/Scalar/CodeGenPrepare.cpp
+++ b/lib/Transforms/Scalar/CodeGenPrepare.cpp
@@ -1418,8 +1418,7 @@ IsProfitableToFoldIntoAddressingMode(Instruction *I, ExtAddrMode &AMBefore,
     Value *Address = User->getOperand(OpNo);
     if (!Address->getType()->isPointerTy())
       return false;
-    Type *AddressAccessTy =
-      cast<PointerType>(Address->getType())->getElementType();
+    Type *AddressAccessTy = Address->getType()->getPointerElementType();
 
     // Do a match against the root of this address, ignoring profitability. This
     // will tell us if the addressing mode for the memory operation will
diff --git a/lib/Transforms/Utils/SimplifyCFG.cpp b/lib/Transforms/Utils/SimplifyCFG.cpp
index c4c142301bf..0dea844aeb9 100644
--- a/lib/Transforms/Utils/SimplifyCFG.cpp
+++ b/lib/Transforms/Utils/SimplifyCFG.cpp
@@ -3160,7 +3160,7 @@ static bool TurnSwitchRangeIntoICmp(SwitchInst *SI, IRBuilder<> &Builder) {
 /// and use it to remove dead cases.
 static bool EliminateDeadSwitchCases(SwitchInst *SI) {
   Value *Cond = SI->getCondition();
-  unsigned Bits = cast<IntegerType>(Cond->getType())->getBitWidth();
+  unsigned Bits = Cond->getType()->getIntegerBitWidth();
   APInt KnownZero(Bits, 0), KnownOne(Bits, 0);
   ComputeMaskedBits(Cond, KnownZero, KnownOne);