[PATCH] D127474: [SelectionDAG] fold Op0 - (X * MulC) --> Op0 + (X << log2(-MulC))

[Pretty-box via Phabricator via llvm-commits]

Pretty-box updated this revision to Diff 437002.

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D127474/new/

https://reviews.llvm.org/D127474

Files:
  llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
  llvm/test/CodeGen/RISCV/mul.ll

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