[PATCH] D52277: [RegAlloc] Fix check for local splitting.

[Nirav Dave via Phabricator via llvm-commits]

niravd created this revision.
Herald added subscribers: llvm-commits, hiraditya, qcolombet, MatzeB.

Check that we don't have two disjoint use regions in a single block.

FIXME We probably should be able to fix local_split to work with multiple uses.

Fixes PR38795.


Repository:
  rL LLVM

https://reviews.llvm.org/D52277

Files:
  llvm/lib/CodeGen/RegAllocGreedy.cpp
  llvm/test/CodeGen/X86/pr38795.ll

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