[mpmd] Add fragment query, positioning, and attribute save/restore utilities with tests.#1375
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[mpmd] Add fragment query, positioning, and attribute save/restore utilities with tests.#1375copybara-service[bot] wants to merge 1 commit into
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…ilities with tests.
Add reusable utility functions to common/utils.{h,cc}:
- FindLastFragmentOnMesh / FindFirstFragmentOnMesh: scan a block for fragment ops on a given mesh, with exclude list support
- FindLatestOperandProducer: find the latest (in block order) op that defines any operand
- CanMoveAfter / EnsureAfter: safely reposition ops without breaking use-def chains
- SaveFragmentAttrs / RestoreFragmentAttrs: save and restore inferred_by and call_counter attributes across MergeRegionOps
Add comprehensive unit tests (26 new test cases) covering all functions with edge cases.
PiperOrigin-RevId: 923636972
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[mpmd] Add fragment query, positioning, and attribute save/restore utilities with tests.
Add reusable utility functions to common/utils.{h,cc}:
Add comprehensive unit tests (26 new test cases) covering all functions with edge cases.