[PATCH] D118650: [AArch64] Attempt to emitConjunction from brcond

[Dave Green via Phabricator via llvm-commits]

dmgreen created this revision.
dmgreen added reviewers: SjoerdMeijer, samtebbs, jaykang10, t.p.northover, labrinea.
Herald added subscribers: hiraditya, kristof.beyls.
dmgreen requested review of this revision.
Herald added a project: LLVM.

We currently use emitConjunction to create CCMP conjunctions from the conditions of selects, helping turning and/ors into more optimal ccmp sequences that don't need to go through csels. This extends that to also be used whilst lowering brcond, giving more opportunity for better condition generation.


https://reviews.llvm.org/D118650

Files:
  llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
  llvm/test/CodeGen/AArch64/andorbrcompare.ll

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