AMDGPU: Unify LowerGlobalAddress

Reviewers: tstellard

Subscribers: arsenm

Differential Revision: http://reviews.llvm.org/D19794

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@269481 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed