[AMDGPU] Flag new raw/struct atomic ops as source of divergence

Differential Revision: https://reviews.llvm.org/D60731

Change-Id: I821d93dec8b9cdd247b8172d92fb5e15340a9e7d

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@358579 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed