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Commit 866971ed authored by Dan Gohman's avatar Dan Gohman
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Fix ScalarEvolution's "exhaustive" trip count evaluation code to avoid 

assuming that loops are in canonical form, as ScalarEvolution doesn't
depend on LoopSimplify itself. Also, with indirectbr not all loops can
be simplified. This fixes PR7416.

llvm-svn: 106389
parent d2772461
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