[PATCH] D67450: AMDGPU: Move m0 initializations earlier

[Austin Kerbow via Phabricator via llvm-commits]

kerbowa created this revision.
kerbowa added reviewers: rampitec, arsenm.
Herald added subscribers: llvm-commits, arphaman, hiraditya, t-tye, tpr, dstuttard, yaxunl, nhaehnle, wdng, jvesely, kzhuravl.
Herald added a project: LLVM.
kerbowa updated this revision to Diff 219722.
kerbowa added a comment.

Fix test.


After hoisting and merging m0 initializations schedule them as early as
possible in the MBB. This helps the scheduler avoid hazards in some
cases.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D67450

Files:
  llvm/lib/Target/AMDGPU/SIFixSGPRCopies.cpp
  llvm/test/CodeGen/AMDGPU/frame-index-elimination.ll
  llvm/test/CodeGen/AMDGPU/merge-m0.mir

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