[all-commits] [llvm/llvm-project] de72cc: [CostModel] Provide a default model for histogram ...

[Graham Hunter via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: de72cca671b962d0149cf880ec44b942a58ed843
      https://github.com/llvm/llvm-project/commit/de72cca671b962d0149cf880ec44b942a58ed843
  Author: Graham Hunter <graham.hunter at arm.com>
  Date:   2025-08-08 (Fri, 08 Aug 2025)

  Changed paths:
    M llvm/include/llvm/Analysis/TargetTransformInfoImpl.h
    M llvm/include/llvm/CodeGen/BasicTTIImpl.h
    M llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp
    A llvm/test/Analysis/CostModel/AArch64/histograms.ll
    M llvm/test/Analysis/CostModel/AArch64/sve-intrinsics.ll
    M llvm/test/Transforms/LoopVectorize/histograms.ll

  Log Message:
  -----------
  [CostModel] Provide a default model for histogram intrinsics (#149348)

Since we scalarize these intrinsics when the target does not support
them, we should model that for costing purposes.



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