AMDGPU/SI: Add tests for non-void functions and InitialPSInputAddr

Reviewers: tstellarAMD, arsenm

Differential Revision: http://reviews.llvm.org/D16036

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@257624 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed