[PATCH] D151189: [AArch64] Increase the cost of i1 inserts / extracts

[Dave Green via Phabricator via llvm-commits]

dmgreen created this revision.
dmgreen added reviewers: SjoerdMeijer, samtebbs, jaykang10, t.p.northover.
Herald added subscribers: hiraditya, kristof.beyls.
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dmgreen requested review of this revision.
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i1 inserts will need an extra cset, and i1 extracts need a cmp (or tst) in order to be used. This increase the cost of them a little to account for those extra instructions.
https://godbolt.org/z/3c5z4G7Mh


https://reviews.llvm.org/D151189

Files:
  llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp
  llvm/test/Analysis/CostModel/AArch64/cast.ll
  llvm/test/Analysis/CostModel/AArch64/fptoi_sat.ll
  llvm/test/Analysis/CostModel/AArch64/insert-extract.ll
  llvm/test/Analysis/CostModel/AArch64/sve-insert-extract.ll
  llvm/test/Analysis/CostModel/AArch64/sve-intrinsics.ll

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