[PATCH] D155484: [AArch64] SelectionDAG Funnel Shift Lowering

[Tuan Chuong Goh via Phabricator via llvm-commits]

chuongg3 created this revision.
chuongg3 added reviewers: dmgreen, SjoerdMeijer, paquette, aemerson.
Herald added subscribers: hiraditya, kristof.beyls.
Herald added a project: All.
chuongg3 requested review of this revision.
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.

Does not lower FSHR if the amount of shifts is a constant.
Lowers FSHL to FSHR instead of EXTR.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D155484

Files:
  llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
  llvm/lib/Target/AArch64/AArch64ISelLowering.h
  llvm/lib/Target/AArch64/AArch64InstrFormats.td
  llvm/test/CodeGen/AArch64/arm64-long-shift.ll
  llvm/test/CodeGen/AArch64/icmp-shift-opt.ll
  llvm/test/CodeGen/AArch64/logic-shift.ll
  llvm/test/CodeGen/AArch64/nontemporal-load.ll
  llvm/test/CodeGen/AArch64/pr55201.ll
  llvm/test/CodeGen/AArch64/setcc-fsh.ll
  llvm/test/CodeGen/AArch64/wide-scalar-shift-legalization.ll
  llvm/test/CodeGen/AArch64/zext-to-tbl.ll

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