[all-commits] [llvm/llvm-project] 4d425f: [PowerPC] vector cost model add cost to extract i1

RolandF77 via All-commits all-commits at lists.llvm.org
Mon Aug 14 14:04:44 PDT 2023

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 4d425f86632fc2a7142d2ba1c8d67a19c620d355
  Author: Roland Froese <froese at ca.ibm.com>
  Date:   2023-08-14 (Mon, 14 Aug 2023)

  Changed paths:
    M llvm/lib/Target/PowerPC/PPCTargetTransformInfo.cpp
    M llvm/test/Analysis/CostModel/PowerPC/reduce-and.ll
    M llvm/test/Analysis/CostModel/PowerPC/reduce-or.ll
    A llvm/test/Transforms/LoopVectorize/PowerPC/predcost.ll

  Log Message:
  [PowerPC] vector cost model add cost to extract i1

Try to avoid some unprofitable predication on PPC. Recognize in the cost model that computing on i1 values will require extra mask or compare operation.

Differential Revision: https://reviews.llvm.org/D155876

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