Add in support for getIntPtrType to get the pointer type based on the address space.

This checkin also adds in some tests that utilize these paths and updates some of the
clients.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166578 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Analysis/InstructionSimplify.cpp

@@ -728,7 +728,7 @@ static Constant *stripAndComputeConstantOffsets(const DataLayout &TD,
     assert(V->getType()->isPointerTy() && "Unexpected operand type!");
   } while (Visited.insert(V));
 
-  Type *IntPtrTy = TD.getIntPtrType(V->getContext());
+  Type *IntPtrTy = TD.getIntPtrType(V->getContext(), AS);
   return ConstantInt::get(IntPtrTy, Offset);
 }