Simplify getIntPtrType, allowing it to work for arbitrary pointer sizes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42751 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/TargetData.cpp b/lib/Target/TargetData.cpp
index 0bdb23b..b2d76d8 100644
--- a/lib/Target/TargetData.cpp
+++ b/lib/Target/TargetData.cpp
@@ -565,12 +565,7 @@
 /// getIntPtrType - Return an unsigned integer type that is the same size or
 /// greater to the host pointer size.
 const Type *TargetData::getIntPtrType() const {
-  switch (getPointerSize()) {
-  default: assert(0 && "Unknown pointer size!");
-  case 2: return Type::Int16Ty;
-  case 4: return Type::Int32Ty;
-  case 8: return Type::Int64Ty;
-  }
+  return IntegerType::get(getPointerSizeInBits());
 }