[mlir][Presburger] make IntegerRelation::iterVarKind const (#172958)

`iterVarKind` is effectively const but not marked as such.

Co-authored-by: Jeremy Kun <j2kun@users.noreply.github.com>
GitOrigin-RevId: 197704a6369be301d47c4c6b31936885b11f5170
1 file changed
tree: 9016780986c8f52cb28cf0ec9024f63903ddc99a
  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.