[PATCH] D48899: [dsymutil] Convert recursion in lookForDIEsToKeep into worklist.

[Jonas Devlieghere via Phabricator via llvm-commits]

JDevlieghere updated this revision to Diff 154325.
JDevlieghere marked an inline comment as done.
JDevlieghere added a comment.

- Improve comments.
- Remove redundant continuation at beginning. Wwe always add the continuation if we add the DIE's children to the worklist.
- Use SmallVectors to improve performance. Still this path causes a ~5% performance regression (avg over 5 runs).


https://reviews.llvm.org/D48899

Files:
  llvm/tools/dsymutil/DwarfLinker.cpp
  llvm/tools/dsymutil/DwarfLinker.h

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