[PATCH] D48817: [LoopInfo] Port loop exit interfaces from Loop to LoopBase

[Diego Caballero via Phabricator via llvm-commits]

dcaballe created this revision.
dcaballe added reviewers: chandlerc, sanjoy, hfinkel, fhahn.
Herald added subscribers: llvm-commits, rogfer01, bollu.

This patch ports `hasDedicatedExits`, `getUniqueExitBlocks` and
`getUniqueExitBlock` in Loop to LoopBase so that they can be used
from other LoopBase sub-classes. GraphTraits are used to replace the
BasicBlock specific code in the original implementation. These
three interfaces are needed in VPLoop (VPlan).


Repository:
  rL LLVM

https://reviews.llvm.org/D48817

Files:
  include/llvm/Analysis/LoopInfo.h
  include/llvm/Analysis/LoopInfoImpl.h
  lib/Analysis/LoopInfo.cpp

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