[PATCH] D120552: [SLP] "Normal" instructions should not go between PHI and Lading pad

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Currently, SLP can insert "shuffle" instruction beween PHI and Landing pad instruction. The problem is demonstrated by LIT test. The solution is to adjust insertion point once we are done with PHI generation.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D120552

Files:
  llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
  llvm/test/Transforms/SLPVectorizer/X86/landing_pad.ll

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