[all-commits] [llvm/llvm-project] cb353d: [LV] Add cost model for simd vector select instruc...

Allen via All-commits all-commits at lists.llvm.org
Mon Jun 19 22:14:30 PDT 2023


  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: cb353dc74e72b084d54d10515fbc289cc19a2023
      https://github.com/llvm/llvm-project/commit/cb353dc74e72b084d54d10515fbc289cc19a2023
  Author: Zhongyunde <zhongyunde at huawei.com>
  Date:   2023-06-20 (Tue, 20 Jun 2023)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp
    M llvm/test/Analysis/CostModel/AArch64/reduce-minmax.ll
    M llvm/test/Analysis/CostModel/AArch64/select.ll
    M llvm/test/Analysis/CostModel/AArch64/vector-select.ll
    M llvm/test/Transforms/PhaseOrdering/AArch64/hoisting-sinking-required-for-vectorization.ll

  Log Message:
  -----------
  [LV] Add cost model for simd vector select instructions of type float

For simd vector selects, use cmeq + bsl for v2f32/v4f32/v2f64, so their cost are cheep.
Fix https://github.com/llvm/llvm-project/issues/63082

Reviewed By: dmgreen
Differential Revision: https://reviews.llvm.org/D152523




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