[mlir][sparse] rephrase the documentation for sparse compiler create-sparse-deallocs option.

[Peiming]

Summary

To address post-submit comments in https://reviews.llvm.org/D147010.

[wrengr]

mlir/include/mlir/Dialect/SparseTensor/Pipelines/Passes.h

82

"buffers"

82

I'd drop this adjective

86–87

I'd leave this part out.

[Peiming]

address comments.

mlir/include/mlir/Dialect/SparseTensor/Pipelines/Passes.h

PassOptions::Option<bool> testBufferizationAnalysisOnly{
       desc("Run only the inplacability analysis"), init(false)};
 
   PassOptions::Option<bool> enableBufferInitialization{
       *this, "enable-buffer-initialization",
       desc("Enable zero-initialization of memory buffers"), init(false)};
 
   PassOptions::Option<bool> createSparseDeallocs{
       *this, "create-sparse-deallocs",
-      desc("Specify if the temporary sparse buffer created by the sparse "
+      desc("Specify if the temporary buffers created by the sparse "
            "compiler should be deallocated. For compatibility with core "
            "bufferization passes. "
-           "It only takes effect when enable-runtime-library=false, otherwise "
-           "the memory storage for sparse tensors are managed by the runtime "
-           "library. See also create-deallocs for BufferizationOption."),
+           "This option is only used when enable-runtime-library=false. "
+           "See also create-deallocs for BufferizationOption."),
       init(true)};
 
   PassOptions::Option<int32_t> vectorLength{
       *this, "vl", desc("Set the vector length (0 disables vectorization)"),
       init(0)};
 
   // These options must be kept in sync with `SparseTensorConversionBase`.
   PassOptions::Option<int32_t> sparseToSparse{
       *this, "s2s-strategy",
       desc("Set the strategy for sparse-to-sparse conversion"), init(0)};
 
   // These options must be kept in sync with the `ConvertVectorToLLVM`
   // (defined in include/mlir/Dialect/SparseTensor/Pipelines/Passes.h).

mlir/include/mlir/Dialect/SparseTensor/Transforms/Passes.td

let dependentDialects = [
     "memref::MemRefDialect",
     "scf::SCFDialect",
     "sparse_tensor::SparseTensorDialect",
   ];
   let options = [
     Option<"enableBufferInitialization", "enable-buffer-initialization", "bool",
            "false", "Enable zero-initialization of the memory buffers">,
     Option<"createSparseDeallocs", "create-sparse-deallocs", "bool",
-           "true", "Specify if the temporary sparse buffer created by the sparse "
+           "true", "Specify if the temporary buffers created by the sparse "
                    "compiler should be deallocated. For compatibility with core "
                    "bufferization passes. "
-                   "It only takes effect when enable-runtime-library=false, otherwise "
-                   "the memory storage for sparse tensors are managed by the runtime "
-                   "library. See also create-deallocs for BufferizationOption.">,
+                   "This option is only used when enable-runtime-library=false. "
+                   "See also create-deallocs for BufferizationOption.">,
   ];
 }
 
 def SparseBufferRewrite : Pass<"sparse-buffer-rewrite", "ModuleOp"> {
   let summary = "Rewrite sparse primitives on buffers to actual code";
   let description = [{
     A pass that rewrites sparse primitives on buffers to the MLIR implementation
     of the primitives. For example, sparse_tensor.sort operator is implemented