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Summary: Instead of keeping a variable indicating whether there are early exits in the loop. We keep all the early exits. This improves LICM's ability to move instructions out of the loop based on is-guaranteed-to-execute. I am going to update compilation time as well soon. Reviewers: hfinkel, sanjoy, efriedma, mkuper Reviewed By: hfinkel Subscribers: llvm-commits, mzolotukhin Differential Revision: https://reviews.llvm.org/D32433 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@301196 91177308-0d34-0410-b5e6-96231b3b80d8
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