[mlir][arith] Add subui_extended op (#197376)

Unsigned extended subtraction mirroring addui_extended. Gives a
primitive for unsigned underflow that maps cleanly to
llvm.usub.with.overflow and spirv.ISub

GitOrigin-RevId: 8edba1a3128ed3c6ab104470ef3f3567bf73c516
6 files changed
tree: 8bcdca645a0e8c0063afbc7399ea8c4fbe16ef10
  1. benchmark/
  2. cmake/
  3. docs/
  4. examples/
  5. include/
  6. lib/
  7. python/
  8. test/
  9. tools/
  10. unittests/
  11. utils/
  12. .clang-format
  13. .clang-tidy
  14. CMakeLists.txt
  15. LICENSE.TXT
  16. Maintainers.md
  17. README.md
README.md

Multi-Level Intermediate Representation

See https://mlir.llvm.org/ for more information.