Michael Kruse 534c87df82 [Loopinfo] Remove one latch-case in getLoopID. NFC. ...

getLoopID has different control flow for two cases: If there is a
single loop latch and for any other number of loop latches (0 and more
than one). The latter case should return the same result if there is
only a single latch. We can save the preceding redundant search for a
latch by handling both cases with the same code.

Differential Revision: https://reviews.llvm.org/D52118

llvm-svn: 342406

2018-09-17 18:40:29 +00:00

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