[MLIR] Separate and split vectorization tests

These tests have become too bulky and unwiedly.
Splitting simplifies modifications that will occur in the next CL.

PiperOrigin-RevId: 223874321
12 files changed
tree: ba0ac5379976abffe330d99f5413e93ba3ef88c8
  1. g3doc/
  2. include/
  3. lib/
  4. test/
  5. tools/
  6. utils/
  7. .clang-format
  8. LICENSE.TXT