[PATCH] D17632: [LoopUnrollAnalyzer] Check that we're using SCEV for the same loop we're simulating.
Michael Zolotukhin via llvm-commits
llvm-commits at lists.llvm.org
Thu Feb 25 17:59:03 PST 2016
mzolotukhin created this revision.
mzolotukhin added reviewers: chandlerc, hfinkel.
mzolotukhin added a subscriber: llvm-commits.
Herald added subscribers: mzolotukhin, sanjoy.
Check that we're using SCEV for the same loop we're simulating. Otherwise, we might try to use the iteration number of the current loop in SCEV expressions for inner/outer loops IVs, which is clearly incorrect.
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