[mlir][GPU] Verify known_{block,grid,cluster}_size is at least 1 (#179886)

### Summary
This PR resolves https://github.com/llvm/llvm-project/issues/179604

GitOrigin-RevId: 1106a41bb868929854deb1acfc856a41c984732d
2 files changed
tree: 5e8ccb1299864c2c72d05aee12f2fc99d36cd204
  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

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