[PATCH] D82005: [InstCombine] Replace selects with Phis

[Max Kazantsev via Phabricator via llvm-commits]

mkazantsev created this revision.
mkazantsev added reviewers: xbolva00, fhahn, nikic, lebedev.ri.
Herald added subscribers: llvm-commits, hiraditya.
Herald added a project: LLVM.
mkazantsev added a child revision: D81375: [InstCombine] Simplify boolean Phis with const inputs using CFG.

We can sometimes replace a select with a Phi node if all of its values
are available on respective incoming edges.


https://reviews.llvm.org/D82005

Files:
  llvm/lib/Transforms/InstCombine/InstCombineSelect.cpp
  llvm/test/Transforms/InstCombine/select.ll

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