[PATCH] D142258: [LV] Ignore runtime checks threshold when vectorization is forced

[Kolya Panchenko via Phabricator via llvm-commits]

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When number of needed runtime checks exceeds threshold, but user
requested vectorization, loop vectorizer simply doesn't generate them
which results to invalid vector code.
The patch simply forced generation of rt-checks when vectorization is
forced


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D142258

Files:
  llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
  llvm/test/Transforms/LoopVectorize/memcheck_threashold_vec_forced.ll

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