Reapply r116831 and r116839, converting AliasAnalysis to use

uint64_t, plus fixes for places I missed before.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116875 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Analysis/Loads.cpp

@@ -166,7 +166,7 @@ Value *llvm::FindAvailableLoadedValue(Value *Ptr, BasicBlock *ScanBB,
   if (MaxInstsToScan == 0) MaxInstsToScan = ~0U;
 
   // If we're using alias analysis to disambiguate get the size of *Ptr.
-  unsigned AccessSize = 0;
+  uint64_t AccessSize = 0;
   if (AA) {
     const Type *AccessTy = cast<PointerType>(Ptr->getType())->getElementType();
     AccessSize = AA->getTypeStoreSize(AccessTy);