[opaque pointer types] [NFC] DataLayout::getIndexedOffset: take source element type instead of pointer type and rename to getIndexedOffsetInType.

Summary:

Reviewers: mjacob, dblaikie

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D16282

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@258478 91177308-0d34-0410-b5e6-96231b3b80d8
5 files changed