[PATCH] D79233: [ARM] Refactor lower to S[LR]I optimization

[Petre Tudor via Phabricator via llvm-commits]

PetreTudor created this revision.
Herald added subscribers: llvm-commits, danielkiss, hiraditya, kristof.beyls.
Herald added a project: LLVM.

The optimization has been refactored to fix certain bugs and
limitations. The condition for lowering to S[LR]I has been changed
to reflect the manual pseudocode description of SLI and SRI operation.
The optimization can now handle more cases of operand type and order.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D79233

Files:
  llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
  llvm/lib/Target/AArch64/AArch64ISelLowering.h
  llvm/lib/Target/AArch64/AArch64InstrInfo.td
  llvm/test/CodeGen/AArch64/arm64-sli-sri-opt.ll

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