[mlir][gpu] Extend shuffle op modes and add nvvm lowering

Add up, down and idx modes to gpu shuffle ops, also change the mode from
string to enum

Differential Revision: https://reviews.llvm.org/D114188

GitOrigin-RevId: 47555d73f6538cf2c092a7314e3c82c631ce4ccb
11 files changed
tree: d1e4efcbc83265579ac0a7bfc60075b0deebdd45
  1. cmake/
  2. docs/
  3. examples/
  4. include/
  5. lib/
  6. python/
  7. test/
  8. tools/
  9. unittests/
  10. utils/
  11. .clang-format
  12. .clang-tidy
  13. CMakeLists.txt
  14. LICENSE.TXT
  15. README.md
README.md

Multi-Level Intermediate Representation

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