[PATCH] D120813: AMDGPU: Skip folding REG_SEQUENCE if found unknown regclasses for its users.

[Christudasan Devadasan via Phabricator via llvm-commits]

cdevadas updated this revision to Diff 412876.
cdevadas added a comment.

Removed variadic instruction check. 
`Desc.OpInfo[OpIdx].RegClass == -1` will catch those invalid cases.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D120813/new/

https://reviews.llvm.org/D120813

Files:
  llvm/lib/Target/AMDGPU/SIFoldOperands.cpp
  llvm/lib/Target/AMDGPU/SIInstrInfo.cpp
  llvm/lib/Target/AMDGPU/SIInstrInfo.h
  llvm/test/CodeGen/AMDGPU/skip-fold-regsequence.mir

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