[PATCH] D31113: [AArch64] Add new subtarget feature to fold LSL into address mode.

[Balaram Makam via Phabricator via llvm-commits]

bmakam created this revision.
Herald added a subscriber: aemerson.

This feature enables folding of logical shift operations of up to 3 places into addressing mode on Kryo and Falkor that have a fastpath LSL.

PTAL,
Balaram


https://reviews.llvm.org/D31113

Files:
  lib/Target/AArch64/AArch64.td
  lib/Target/AArch64/AArch64ISelDAGToDAG.cpp
  lib/Target/AArch64/AArch64Subtarget.h
  test/CodeGen/AArch64/aarch64-fold-lslfast.ll

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