[PATCH] D127992: InlineSpiller: Don't fold spills into undef reads

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
arsenm added reviewers: qcolombet, MatzeB, skatkov.
Herald added subscribers: kosarev, kerbowa, hiraditya, jvesely.
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arsenm requested review of this revision.
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This was producing a load into a dead register which was a verifier
error.


https://reviews.llvm.org/D127992

Files:
  llvm/lib/CodeGen/InlineSpiller.cpp
  llvm/test/CodeGen/AMDGPU/fold-restore-undef-use.mir

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