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[Dominators] Change Roots type to SmallVector

Authored by kuhar on Jul 19 2017, 10:49 AM.



We can use the template parameter IsPostDom to pick an appropriate SmallVector size to store DomTree roots for dominators and postdominators. Before, the code would always allocate memory with std::vector.

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kuhar created this revision.Jul 19 2017, 10:49 AM
This revision is now accepted and ready to land.Jul 19 2017, 10:51 AM
kuhar updated this revision to Diff 108332.Jul 26 2017, 11:19 AM

Update the diff to apply cleanly.

This revision was automatically updated to reflect the committed changes.