[PATCH] D87744: [RegisterCoalescer] passs Undefs to extendToIndices()

[Ruiling, Song via Phabricator via llvm-commits]

ruiling updated this revision to Diff 292685.
ruiling added a comment.

further reduce .mir with intermediate result from coalescer.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D87744/new/

https://reviews.llvm.org/D87744

Files:
  llvm/lib/CodeGen/RegisterCoalescer.cpp
  llvm/test/CodeGen/AMDGPU/coalescer-removepartial-extend-undef-subrange.mir

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