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------------------------------------------------------------------------ r223500 | dexonsmith | 2014-12-05 11:13:42 -0800 (Fri, 05 Dec 2014) | 9 lines BFI: Saturate when combining edges to a successor When a loop gets bundled up, its outgoing edges are quite large, and can just barely overflow 64-bits. If one successor has multiple incoming edges -- and that successor is getting all the incoming mass -- combining just its edges can overflow. Handle that by saturating rather than asserting. This fixes PR21622. ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_35@223712 91177308-0d34-0410-b5e6-96231b3b80d8
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