[PATCH] D111942: [X86][Costmodel] Load/store i32 Stride=3 VF=32 interleaving costs

[Roman Lebedev via Phabricator via llvm-commits]

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A few more tuples are being queried after D111546 <https://reviews.llvm.org/D111546>. Might be good to model them,
They all require a lot of manual assembly surgery.

The only sched models that for cpu's that support avx2
but not avx512 are: haswell, broadwell, skylake, zen1-3

For load we have:
https://godbolt.org/z/s5b6E6jsP - for intels `Block RThroughput: <=32.0`; for ryzens, `Block RThroughput: <=24.0`
So could pick cost of `32`

For store we have:
https://godbolt.org/z/s5b6E6jsP - for intels `Block RThroughput: <=48.0`; for ryzens, `Block RThroughput: <=32.0`
So we could pick cost of `48`.

I'm directly using the shuffling asm the llc produced,
without any manual fixups that may be needed
to ensure sequential execution.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D111942

Files:
  llvm/lib/Target/X86/X86TargetTransformInfo.cpp
  llvm/test/Analysis/CostModel/X86/interleaved-load-f32-stride-3.ll
  llvm/test/Analysis/CostModel/X86/interleaved-load-i16-stride-6.ll
  llvm/test/Analysis/CostModel/X86/interleaved-load-i32-stride-3-indices-01u.ll
  llvm/test/Analysis/CostModel/X86/interleaved-load-i32-stride-3-indices-0uu.ll
  llvm/test/Analysis/CostModel/X86/interleaved-load-i32-stride-3.ll
  llvm/test/Analysis/CostModel/X86/interleaved-store-f32-stride-3.ll
  llvm/test/Analysis/CostModel/X86/interleaved-store-i16-stride-6.ll
  llvm/test/Analysis/CostModel/X86/interleaved-store-i32-stride-3.ll

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