[PATCH] D99980: [SLP]Improve cost model for the vectorized extractelements.

[Alexey Bataev via Phabricator via llvm-commits]

ABataev created this revision.
ABataev added reviewers: spatel, RKSimon, dtemirbulatov, anton-afanasyev, vdmitrie.
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1. No need to call `areAllUsersVectorized` as later the cost is calculated only if the instruction has one use and gets vectorized.
2. Need to calculate the cost of the dead extractelement more precisely, taking the vector type of the vector operand, not the resulting vector type.

Part of D57059 <https://reviews.llvm.org/D57059>.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D99980

Files:
  llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
  llvm/test/Transforms/SLPVectorizer/AArch64/transpose-inseltpoison.ll
  llvm/test/Transforms/SLPVectorizer/AArch64/transpose.ll
  llvm/test/Transforms/SLPVectorizer/X86/extractelement.ll

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