[PATCH] D108355: [AggressiveInstCombine] Add arithmetic shift right instr to `TruncInstCombine` DAG

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri added a comment.

Also, let's split `trunc_shifts.ll` into `trunc_{shl,lshr,ashr}.ll`.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D108355/new/

https://reviews.llvm.org/D108355