tree a5a9686c86031cd2edc042e69d2ef4ef50301f5c
parent 2128ba0c85687bc90bbdb480954355d88cfdc14a
author Matt Arsenault <Matthew.Arsenault@amd.com> 1546910000 +0000
committer Matt Arsenault <Matthew.Arsenault@amd.com> 1546910000 +0000

AMDGPU/GlobalISel: Disallow VGPR->SCC copies

This fixes using scalar adds when only the carry in is a VGPR
using greedy regbankselect.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@350593 91177308-0d34-0410-b5e6-96231b3b80d8