[all-commits] [llvm/llvm-project] abcbbe: [MLIR][VectorToLLVM] Handle scalable dim in create...

[Zhaoshi Zheng via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: abcbbe711410da051126ca5b11a1ea227cb238f8
      https://github.com/llvm/llvm-project/commit/abcbbe711410da051126ca5b11a1ea227cb238f8
  Author: Zhaoshi Zheng <zhaoshiz at quicinc.com>
  Date:   2024-06-13 (Thu, 13 Jun 2024)

  Changed paths:
    M mlir/lib/Conversion/VectorToLLVM/ConvertVectorToLLVM.cpp
    M mlir/test/Conversion/VectorToLLVM/vector-reduction-to-llvm.mlir

  Log Message:
  -----------
  [MLIR][VectorToLLVM] Handle scalable dim in createVectorLengthValue() (#93361)

LLVM's Vector Predication Intrinsics require an explicit vector length
parameter:
https://llvm.org/docs/LangRef.html#vector-predication-intrinsics.

For a scalable vector type, this should be caculated as VectorScaleOp
multiplied by base vector length, e.g.: for <[4]xf32> we should return:
vscale * 4.



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