[PATCH] D141204: [GlobalISel] Extending G_SBFX/G_UBFX combine to consider G_SEXT_INREG as well
David Ferenc Szabo via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Jan 12 05:59:19 PST 2023
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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