Florian Hahn 107d0a8756 [CSP, Cloning] Update DuplicateInstructionsInSplitBetween to use DomTreeUpdater. ...

This patch updates DuplicateInstructionsInSplitBetween to update a DTU
instead of applying updates to the DT directly.

Given that there only are 2 users, also updated them in this patch to
avoid churn.

I slightly moved the code in CallSiteSplitting around to reduce the
places where we have to pass in DTU. If necessary, I could split those
changes in a separate patch.

This fixes missing DT updates when dealing with musttail calls in
CallSiteSplitting, by using DTU->deleteBB.

Reviewers: junbuml, kuhar, NutshellySima, indutny, brzycki

Reviewed By: NutshellySima

llvm-svn: 346769

2018-11-13 17:54:43 +00:00

33 KiB

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