AMDGPU: Add num spilled s/vgprs to metadata

This was requested by tools.

Differential Revision: https://reviews.llvm.org/D40321


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319192 91177308-0d34-0410-b5e6-96231b3b80d8
6 files changed