Michael Gottesman 913920c93b [sil] Rename SILSuccessorIterator -> SILSuccessor::pred_iterator. ...

This iterator is not actually a SILSuccessorIterator since it is not iterating
over the "successors" of a block. Instead it is used to given the head of a CFG
edge, iterate over the CFG edge's predecessors using the double linked list
stored inside SILSuccessor.

This rename/refactor ties SILSuccessor closer to SILSuccessorIterator and makes
it clear what we are actually iterating over.

2017-04-26 13:32:59 -07:00

3.4 KiB

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