[objc-arc] Track if we encountered an additive overflow while computing {TopDown,BottomUp}PathCounts and do nothing if it occured.

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rdar://14590914

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187941 91177308-0d34-0410-b5e6-96231b3b80d8

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Michael Gottesman

2013-08-07 23:56:41 +00:00

parent b0fd15f645

commit 7f1a7d4137

2 changed files with 1095 additions and 6 deletions

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test/Transforms/ObjCARC/path-overflow.ll

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