[PATCH] D102830: [AMDGPU] Avoid null export insertion when unifying exit blocks

[Carl Ritson via Phabricator via llvm-commits]

critson updated this revision to Diff 356673.
critson added a comment.

Rework based on the assumption there is only one "done" export.
This is true for existing front-ends.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D102830/new/

https://reviews.llvm.org/D102830

Files:
  llvm/lib/Target/AMDGPU/AMDGPUUnifyDivergentExitNodes.cpp
  llvm/test/CodeGen/AMDGPU/kill-infinite-loop.ll
  llvm/test/CodeGen/AMDGPU/multi-divergent-exit-region.ll

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