[mlir][sparse] enable 2:4 test for both directIR/libgen path (#72593)

// REDEFINE: %{env} = TENSOR0="%mlir_src_dir/test/Integration/data/ds.mtx"

// RUN: %{compile} | env %{env} %{run} | FileCheck %s

//

// TODO: enable!

// Do the same run, but now with direct IR generation.

// REDEFINE: %{sparsifier_opts} = enable-runtime-library=false

// R_UN: %{compile} | env %{env} %{run} | FileCheck %s

// RUN: %{compile} | env %{env} %{run} | FileCheck %s

//

// Do the same run, but now with direct IR generation and vectorization.

// REDEFINE: %{sparsifier_opts} = enable-runtime-library=false enable-buffer-initialization=true vl=2 reassociate-fp-reductions=true enable-index-optimizations=true

// RUN: %{compile} | env %{env} %{run} | FileCheck %s

!Filename = !llvm.ptr