Dan Gohman bb2f10759e If a MachineBasicBlock has multiple ways of reaching another block, ...

allow it to have multiple CFG edges to that block. This is needed
to allow MachineBasicBlock::isOnlyReachableByFallthrough to work
correctly. This fixes PR4126.

llvm-svn: 71018

2009-05-05 21:10:19 +00:00

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