[mlir][tosa] Revert add-0 canonicalization for floating-point

Floating point optimization can produce incorrect numerical resutls for
-0.0 + 0.0 optimization as result needs to be -0.0.

Reviewed By: eric-k256

Differential Revision: https://reviews.llvm.org/D114127

GitOrigin-RevId: 6e41a0691132482478c4e82d0610fe19a4128f74
2 files changed
tree: 6179c10fc3c8dfd4fdde4d40c9b554469a97c4a9
  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.