[PATCH] D77316: [AArch64] Add a special case for shifting by (BitWidth - 1) - X

[Jay Foad via Phabricator via llvm-commits]

foad updated this revision to Diff 264445.
foad added a comment.

Rebase after precommitting tests.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D77316/new/

https://reviews.llvm.org/D77316

Files:
  llvm/lib/Target/AArch64/AArch64ISelDAGToDAG.cpp
  llvm/test/CodeGen/AArch64/shift-amount-mod.ll

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