De-constify pointers to Type since they can't be modified. NFC

This was already done in most places a while ago. This just fixes the ones that crept in over time.

llvm-svn: 243842
diff --git a/llvm/lib/Analysis/LoopAccessAnalysis.cpp b/llvm/lib/Analysis/LoopAccessAnalysis.cpp
index 7e36a1b..e058e5a 100644
--- a/llvm/lib/Analysis/LoopAccessAnalysis.cpp
+++ b/llvm/lib/Analysis/LoopAccessAnalysis.cpp
@@ -830,11 +830,11 @@
 /// \brief Check whether the access through \p Ptr has a constant stride.
 int llvm::isStridedPtr(ScalarEvolution *SE, Value *Ptr, const Loop *Lp,
                        const ValueToValueMap &StridesMap) {
-  const Type *Ty = Ptr->getType();
+  Type *Ty = Ptr->getType();
   assert(Ty->isPointerTy() && "Unexpected non-ptr");
 
   // Make sure that the pointer does not point to aggregate types.
-  const PointerType *PtrTy = cast<PointerType>(Ty);
+  auto *PtrTy = cast<PointerType>(Ty);
   if (PtrTy->getElementType()->isAggregateType()) {
     DEBUG(dbgs() << "LAA: Bad stride - Not a pointer to a scalar type"
           << *Ptr << "\n");
diff --git a/llvm/lib/Analysis/VectorUtils.cpp b/llvm/lib/Analysis/VectorUtils.cpp
index 67f68dc..1ebff0f 100644
--- a/llvm/lib/Analysis/VectorUtils.cpp
+++ b/llvm/lib/Analysis/VectorUtils.cpp
@@ -283,7 +283,7 @@
 /// strides "a[i*stride]". Returns the symbolic stride, or null otherwise.
 llvm::Value *llvm::getStrideFromPointer(llvm::Value *Ptr, ScalarEvolution *SE,
                                         Loop *Lp) {
-  const PointerType *PtrTy = dyn_cast<PointerType>(Ptr->getType());
+  auto *PtrTy = dyn_cast<PointerType>(Ptr->getType());
   if (!PtrTy || PtrTy->isAggregateType())
     return nullptr;