[PATCH] D141680: [GVN] Refactor findDominatingLoad function

[Sergei Kachkov via Phabricator via llvm-commits]

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Improve findDominatingLoad implementation:

1. Result is saved into gvn::AvailableValue struct
2. Search is done in extended BB (while there is a single predecessor or limit is reached)


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D141680

Files:
  llvm/lib/Transforms/Scalar/GVN.cpp
  llvm/test/Transforms/GVN/PRE/pre-load-through-select.ll

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