[PATCH] D132322: [AArch64][SelectionDAG] Optimize multiplication by constant

[Allen zhong via Phabricator via llvm-commits]

Allen updated this revision to Diff 460100.
Allen edited the summary of this revision.
Allen added a comment.

refactor with costmodel


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D132322/new/

https://reviews.llvm.org/D132322

Files:
  llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
  llvm/test/CodeGen/AArch64/mul_pow2.ll

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