Craig Topper c228068d90 [SimplifyCFG] Use hasNUses instead of comparing getNumUses to a constant." ...

The use list is a linked list so getNumUses requires a linear scan through the whole list. hasNUses will stop scanning at N and see if that is the end.

llvm-svn: 300505

2017-04-17 22:13:00 +00:00

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