[PATCH] D31957: AMDGPU: Slightly simplify prolog reserved register handling

[Matt Arsenault via Phabricator via llvm-commits]

arsenm updated this revision to Diff 95042.
arsenm added a comment.

Don't use addPhysRegUsed


https://reviews.llvm.org/D31957

Files:
  lib/Target/AMDGPU/SIFrameLowering.cpp

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