[PATCH] D75114: [DAG] MatchRotate - Add funnel shift by immediate support

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon updated this revision to Diff 249590.
RKSimon added a comment.

rebase - now that D75748 <https://reviews.llvm.org/D75748> has landed, most of the regressions have been solved.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D75114/new/

https://reviews.llvm.org/D75114

Files:
  llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  llvm/test/CodeGen/X86/avg.ll
  llvm/test/CodeGen/X86/avx512vbmi2-funnel-shifts.ll
  llvm/test/CodeGen/X86/avx512vbmi2vl-funnel-shifts.ll
  llvm/test/CodeGen/X86/const-shift-of-constmasked.ll
  llvm/test/CodeGen/X86/fshl.ll
  llvm/test/CodeGen/X86/fshr.ll
  llvm/test/CodeGen/X86/known-bits.ll
  llvm/test/CodeGen/X86/sdiv_fix.ll
  llvm/test/CodeGen/X86/sdiv_fix_sat.ll
  llvm/test/CodeGen/X86/udiv_fix_sat.ll
  llvm/test/CodeGen/X86/x86-64-double-precision-shift-left.ll
  llvm/test/CodeGen/X86/x86-64-double-shifts-Oz-Os-O2.ll

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