llvm-project

25825682 - [mlir] Add missing patterns to `linalg.decompose_pack_unpack` TD Op (#121400)

[mlir] Add missing patterns to `linalg.decompose_pack_unpack` TD Op (#121400) This PR is a follow-up to #116373 and #116439, where a Transform Dialect (TD) operation was introduced to collect patterns for decomposing tensor.pack. The second patch renamed the patterns and the TD Op. Originally, adding patterns for `tensor.unpack` was marked as a TODO, which this PR addresses. No new tests are introduced in this PR. Instead, existing tests from: * "decompose-tensor-unpack.mlir" are reused. To achieve this: * The test is updated to use the TD operation `transform.apply_patterns.linalg.decompose_pack_unpack` instead of the flag `--test-linalg-transform-patterns="test-decompose-tensor-unpack"`, avoiding artificial tests created solely for the TD Op. * The TD sequence is saved to a new file, "decompose_unpack.mlir", and preloaded using the option.