[PATCH] D141204: [GlobalISel] Extending G_SBFX/G_UBFX combine to consider G_SEXT_INREG as well

[David Ferenc Szabo via Phabricator via llvm-commits]

DavidFerencSzabo updated this revision to Diff 488626.
DavidFerencSzabo edited the summary of this revision.
DavidFerencSzabo added a comment.

This problem aroused in our down stream target, where G_SEXT_INREG(G_SBFX) were also produced, but for AArch64 it seems that not be the case, therefore removed the change in matchRedundantSExtInReg.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D141204/new/

https://reviews.llvm.org/D141204

Files:
  llvm/include/llvm/CodeGen/GlobalISel/MIPatternMatch.h
  llvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp
  llvm/test/CodeGen/AArch64/GlobalISel/form-bitfield-extract-from-shr.mir

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