* Add getPrimitiveSize method * Remove isPointerType, isMethodType, etc... methods.  Use isa<> instead * Added specialization of isa for pointer types so that DerivedTypes.h doesn't   have to be #included to use isa<PointerType>(..)
* Add getPrimitiveSize method
* Remove isPointerType, isMethodType, etc... methods.  Use isa<> instead
* Added specialization of isa for pointer types so that DerivedTypes.h doesn't
  have to be #included to use isa<PointerType>(..)


git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@2483 91177308-0d34-0410-b5e6-96231b3b80d8

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