[PATCH] D136015: [InstCombine] Fold series of instructions into mull

[Allen zhong via Phabricator via llvm-commits]

Allen updated this revision to Diff 469236.
Allen added a comment.

a) rename function name to foldBoxMultiply and it's description
b) use APInt in m_SpecificInt directly
c) update getIntegerBitWidth with getScalarSizeInBits


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D136015/new/

https://reviews.llvm.org/D136015

Files:
  llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp
  llvm/test/Transforms/InstCombine/mul.ll

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