[PATCH] D129557: [AMDGPU] Improve liveness copying in si-optimize-exec-masking-pre-ra

[Carl Ritson via Phabricator via llvm-commits]

critson created this revision.
critson added reviewers: arsenm, foad, rampitec.
Herald added subscribers: kosarev, jsilvanus, kerbowa, hiraditya, t-tye, tpr, dstuttard, yaxunl, nhaehnle, jvesely, kzhuravl.
Herald added a project: All.
critson requested review of this revision.
Herald added subscribers: llvm-commits, wdng.
Herald added a project: LLVM.

Further improve liveness copying for CC register post optimization
by mirroring live internal splits.
The fixes a bug in register allocation when CC register liveness
is extended across a branches instead of split.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D129557

Files:
  llvm/lib/Target/AMDGPU/SIOptimizeExecMaskingPreRA.cpp

-------------- next part --------------
A non-text attachment was scrubbed...
Name: D129557.443910.patch
Type: text/x-patch
Size: 4342 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20220712/34345311/attachment.bin>