[PATCH] D141113: Improve mul 2^N +/- 2 pattern

[Noah Goldstein via Phabricator via llvm-commits]

goldstein.w.n updated this revision to Diff 486899.
goldstein.w.n added a comment.

Improved description / summary


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D141113/new/

https://reviews.llvm.org/D141113

Files:
  llvm/lib/Target/X86/X86ISelLowering.cpp
  llvm/test/CodeGen/X86/mul-constant-i16.ll
  llvm/test/CodeGen/X86/mul-constant-i32.ll
  llvm/test/CodeGen/X86/mul-constant-i64.ll
  llvm/test/CodeGen/X86/mul-constant-i8.ll
  llvm/test/CodeGen/X86/mul-constant-result.ll

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