[PATCH] D68250: [DAGCombine] Match more patterns for half word bswap

[Amaury SECHET via Phabricator via llvm-commits]

deadalnix created this revision.
deadalnix added reviewers: craig.topper, efriedma, RKSimon, lebedev.ri.
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.

It ensures that the bswap is generated even when a part of the subtree already matches a bswap transform.


Repository:
  rL LLVM

https://reviews.llvm.org/D68250

Files:
  lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  test/CodeGen/X86/bswap_tree.ll

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