AMDGPU: More consistently use the fold list instead of direct mutation (#127612)

There were 2 parallel fold check mechanisms, so consistently use the
fold list. The worklist management here is still not good. Other types
of folds are not using it, and we should probably rewrite the pass to
look more like peephole-opt.

This should be an alternative fix to skipping commute if the operands
are the same (#127562). The new test is still not broken as-is, but
demonstrates failures in a future patch.
2 files changed
tree: 97d748b097b9cd9f11826d0e3dc3256ca981e916
  1. .ci/
  2. .github/
  3. bolt/
  4. clang/
  5. clang-tools-extra/
  6. cmake/
  7. compiler-rt/
  8. cross-project-tests/
  9. flang/
  10. flang-rt/
  11. libc/
  12. libclc/
  13. libcxx/
  14. libcxxabi/
  15. libunwind/
  16. lld/
  17. lldb/
  18. llvm/
  19. llvm-libgcc/
  20. mlir/
  21. offload/
  22. openmp/
  23. polly/
  24. pstl/
  25. runtimes/
  26. third-party/
  27. utils/
  28. .clang-format
  29. .clang-tidy
  30. .git-blame-ignore-revs
  31. .gitattributes
  32. .gitignore
  33. .mailmap
  34. CODE_OF_CONDUCT.md
  35. CONTRIBUTING.md
  36. LICENSE.TXT
  37. pyproject.toml
  38. README.md
  39. SECURITY.md
README.md

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