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1//--------------------------------------------------------------------------------------------------2// WHEN CREATING A NEW TEST, PLEASE JUST COPY & PASTE WITHOUT EDITS.3//4// Set-up that's shared across all tests in this directory. In principle, this5// config could be moved to lit.local.cfg. However, there are downstream users that6//  do not use these LIT config files. Hence why this is kept inline.7//8// DEFINE: %{sparsifier_opts} = enable-runtime-library=true9// DEFINE: %{sparsifier_opts_sve} = enable-arm-sve=true %{sparsifier_opts}10// DEFINE: %{compile} = mlir-opt %s --sparsifier="%{sparsifier_opts}"11// DEFINE: %{compile_sve} = mlir-opt %s --sparsifier="%{sparsifier_opts_sve}"12// DEFINE: %{run_libs} = -shared-libs=%mlir_c_runner_utils,%mlir_runner_utils13// DEFINE: %{run_libs_sve} = -shared-libs=%native_mlir_runner_utils,%native_mlir_c_runner_utils14// DEFINE: %{run_opts} = -e main -entry-point-result=void15// DEFINE: %{run} = mlir-runner %{run_opts} %{run_libs}16// DEFINE: %{run_sve} = %mcr_aarch64_cmd --march=aarch64 --mattr="+sve" %{run_opts} %{run_libs_sve}17//18// DEFINE: %{env} =19//--------------------------------------------------------------------------------------------------20// RUN: %{compile} | %{run} | FileCheck %s21//22// Do the same run, but now with direct IR generation.23// REDEFINE: %{sparsifier_opts} = enable-runtime-library=false24// RUN: %{compile} | %{run} | FileCheck %s25//26// Do the same run, but now with vectorization.27// REDEFINE: %{sparsifier_opts} = enable-runtime-library=false vl=2 reassociate-fp-reductions=true enable-index-optimizations=true28// RUN: %{compile} | %{run} | FileCheck %s29//30// Do the same run, but now with  VLA vectorization.31// RUN: %if mlir_arm_sve_tests %{ %{compile_sve} | %{run_sve} | FileCheck %s %}32 33!Filename = !llvm.ptr34 35#SparseMatrix = #sparse_tensor.encoding<{36  map = (d0, d1) -> (d0 : compressed, d1 : compressed)37}>38 39#trait_sum_reduce = {40  indexing_maps = [41    affine_map<(i,j) -> (i,j)>, // A42    affine_map<(i,j) -> ()>     // x (out)43  ],44  iterator_types = ["reduction", "reduction"],45  doc = "x += A(i,j)"46}47 48module {49  //50  // A kernel that sum-reduces a matrix to a single scalar.51  //52  func.func @kernel_sum_reduce(%arga: tensor<?x?xbf16, #SparseMatrix>,53                               %argx: tensor<bf16>) -> tensor<bf16> {54    %0 = linalg.generic #trait_sum_reduce55      ins(%arga: tensor<?x?xbf16, #SparseMatrix>)56      outs(%argx: tensor<bf16>) {57      ^bb(%a: bf16, %x: bf16):58        %0 = arith.addf %x, %a : bf1659        linalg.yield %0 : bf1660    } -> tensor<bf16>61    return %0 : tensor<bf16>62  }63 64  func.func private @getTensorFilename(index) -> (!Filename)65 66  //67  // Main driver that reads matrix from file and calls the sparse kernel.68  //69  func.func @main() {70    // Setup input sparse matrix from compressed constant.71    %d = arith.constant dense <[72       [ 1.1,  1.2,  0.0,  1.4 ],73       [ 0.0,  0.0,  0.0,  0.0 ],74       [ 3.1,  0.0,  3.3,  3.4 ]75    ]> : tensor<3x4xbf16>76    %a = sparse_tensor.convert %d : tensor<3x4xbf16> to tensor<?x?xbf16, #SparseMatrix>77 78    %d0 = arith.constant 0.0 : bf1679    // Setup memory for a single reduction scalar,80    // initialized to zero.81    %x = tensor.from_elements %d0 : tensor<bf16>82 83    // Call the kernel.84    %0 = call @kernel_sum_reduce(%a, %x)85      : (tensor<?x?xbf16, #SparseMatrix>, tensor<bf16>) -> tensor<bf16>86 87    // Print the result for verification.88    //89    // CHECK: 13.590    //91    %v = tensor.extract %0[] : tensor<bf16>92    %vf = arith.extf %v: bf16 to f3293    vector.print %vf : f3294 95    // Release the resources.96    bufferization.dealloc_tensor %a : tensor<?x?xbf16, #SparseMatrix>97    bufferization.dealloc_tensor %0 : tensor<bf16>98 99    return100  }101}102