[PATCH] D128001: apply DivergenceAnalysis for SLU

[Ruobing Han via Phabricator via llvm-commits]

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Instead of skipping non-trivial switch for all architectures that might have divergence, we apply non-trivial unswitch of the branches that do not divergent after analysis.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D128001

Files:
  llvm/lib/Transforms/Scalar/SimpleLoopUnswitch.cpp
  llvm/test/Transforms/SimpleLoopUnswitch/divergent-nontrivial-unswitch.ll

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