Introduce and use convenience methods for getting pointer types
where the element is of a basic builtin type.  For example, to get
an i8* use getInt8PtrTy.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83379 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/PointerTracking.cpp b/lib/Analysis/PointerTracking.cpp
index 2281836..43f4af3 100644
--- a/lib/Analysis/PointerTracking.cpp
+++ b/lib/Analysis/PointerTracking.cpp
@@ -48,7 +48,7 @@
 }
 
 bool PointerTracking::doInitialization(Module &M) {
-  const Type *PTy = PointerType::getUnqual(Type::getInt8Ty(M.getContext()));
+  const Type *PTy = Type::getInt8PtrTy(M.getContext());
 
   // Find calloc(i64, i64) or calloc(i32, i32).
   callocFunc = M.getFunction("calloc");
diff --git a/lib/Analysis/ScalarEvolutionExpander.cpp b/lib/Analysis/ScalarEvolutionExpander.cpp
index f5df026..d674ee8 100644
--- a/lib/Analysis/ScalarEvolutionExpander.cpp
+++ b/lib/Analysis/ScalarEvolutionExpander.cpp
@@ -464,7 +464,7 @@
   if (!AnyNonZeroIndices) {
     // Cast the base to i8*.
     V = InsertNoopCastOfTo(V,
-       Type::getInt8Ty(Ty->getContext())->getPointerTo(PTy->getAddressSpace()));
+       Type::getInt8PtrTy(Ty->getContext(), PTy->getAddressSpace()));
 
     // Expand the operands for a plain byte offset.
     Value *Idx = expandCodeFor(SE.getAddExpr(Ops), Ty);