[PATCH] D132299: [AArch64] Add SK_Splice fixed-width costs

[Dave Green via Phabricator via llvm-commits]

dmgreen created this revision.
dmgreen added reviewers: fhahn, samtebbs, c-rhodes, labrinea.
Herald added subscribers: hiraditya, kristof.beyls.
Herald added a project: All.
dmgreen requested review of this revision.
Herald added a project: LLVM.

A fixed length SK_Splice shuffle vector is lowered to a Ext undef AArch64, which should have a cost of 1.


https://reviews.llvm.org/D132299

Files:
  llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp
  llvm/test/Analysis/CostModel/AArch64/splice.ll

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