[PATCH] D141113: [X86] Improve mul x, 2^N +/- 2 pattern by making the +/- 2x compute independently to x << N

[Phoebe Wang via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rG4196ca3278f7: [X86] Improve mul x, 2^N +/- 2 pattern by making the +/- 2x compute… (authored by goldstein.w.n, committed by pengfei).

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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