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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 21// RUN: %{compile} | %{run} | FileCheck %s22//23// Do the same run, but now with direct IR generation.24// REDEFINE: %{sparsifier_opts} = enable-runtime-library=false25// RUN: %{compile} | %{run} | FileCheck %s26//27// Do the same run, but now with vectorization.28// REDEFINE: %{sparsifier_opts} = enable-runtime-library=false vl=2 reassociate-fp-reductions=true enable-index-optimizations=true29// RUN: %{compile} | %{run} | FileCheck %s30//31// Do the same run, but now with  VLA vectorization.32// RUN: %if mlir_arm_sve_tests %{ %{compile_sve} | %{run_sve} | FileCheck %s %}33 34!Filename = !llvm.ptr35 36#SparseMatrix = #sparse_tensor.encoding<{37  map = (d0, d1) -> (d0 : compressed, d1 : compressed)38}>39 40#trait_sum_reduce = {41  indexing_maps = [42    affine_map<(i,j) -> (i,j)>, // A43    affine_map<(i,j) -> ()>     // x (out)44  ],45  iterator_types = ["reduction", "reduction"],46  doc = "x += A(i,j)"47}48 49module {50  //51  // A kernel that sum-reduces a matrix to a single scalar.52  //53  func.func @kernel_sum_reduce(%arga: tensor<?x?xf16, #SparseMatrix>,54                               %argx: tensor<f16>) -> tensor<f16> {55    %0 = linalg.generic #trait_sum_reduce56      ins(%arga: tensor<?x?xf16, #SparseMatrix>)57      outs(%argx: tensor<f16>) {58      ^bb(%a: f16, %x: f16):59        %0 = arith.addf %x, %a : f1660        linalg.yield %0 : f1661    } -> tensor<f16>62    return %0 : tensor<f16>63  }64 65  func.func private @getTensorFilename(index) -> (!Filename)66 67  //68  // Main driver that reads matrix from file and calls the sparse kernel.69  //70  func.func @main() {71    // Setup input sparse matrix from compressed constant.72    %d = arith.constant dense <[73       [ 1.1,  1.2,  0.0,  1.4 ],74       [ 0.0,  0.0,  0.0,  0.0 ],75       [ 3.1,  0.0,  3.3,  3.4 ]76    ]> : tensor<3x4xf16>77    %a = sparse_tensor.convert %d : tensor<3x4xf16> to tensor<?x?xf16, #SparseMatrix>78 79    %d0 = arith.constant 0.0 : f1680    // Setup memory for a single reduction scalar,81    // initialized to zero.82    %x = tensor.from_elements %d0 : tensor<f16>83 84    // Call the kernel.85    %0 = call @kernel_sum_reduce(%a, %x)86      : (tensor<?x?xf16, #SparseMatrix>, tensor<f16>) -> tensor<f16>87 88    // Print the result for verification.89    //90    // CHECK: 13.591    //92    %v = tensor.extract %0[] : tensor<f16>93    %vf = arith.extf %v: f16 to f3294    vector.print %vf : f3295 96    // Release the resources.97    bufferization.dealloc_tensor %0 : tensor<f16>98    bufferization.dealloc_tensor %a : tensor<?x?xf16, #SparseMatrix>99 100    return101  }102}103