[PATCH] D109236: [AggressiveInstCombine] Add vector instructions to `TruncInstCombine` DAG

[Anton Afanasyev via Phabricator via llvm-commits]

anton-afanasyev created this revision.
anton-afanasyev added reviewers: spatel, lebedev.ri, RKSimon.
Herald added a subscriber: hiraditya.
anton-afanasyev requested review of this revision.
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Alive2 for `shufflevector`x: https://alive2.llvm.org/ce/z/JMzzJX
Alive2 for `{extract/insert}element`: https://alive2.llvm.org/ce/z/hwy_E-

Actually, no one file of test suite is touched by this change,
which means that is rare pattern not generated by frontend. But
it's worth being in place.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D109236

Files:
  llvm/lib/Transforms/AggressiveInstCombine/TruncInstCombine.cpp
  llvm/test/Transforms/AggressiveInstCombine/trunc_vector_instrs.ll

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