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Chandler Carruth
6ff81c8a68
Summary: This fixes the bug pointed out in review with non-trivial unswitching. This also provides a basis that should make it pretty easy to finish fleshing out a routine to scan an entire function body for irreducible control flow, but this patch remains minimal for disabling loop unswitch. Reviewers: sanjoy, fedor.sergeev Subscribers: mcrosier, hiraditya, llvm-commits Differential Revision: https://reviews.llvm.org/D45754 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@330357 91177308-0d34-0410-b5e6-96231b3b80d8