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prune #includes, fit in 80 cols.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47556 91177308-0d34-0410-b5e6-96231b3b80d8
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@@ -61,9 +61,11 @@ bool isCriticalEdge(const TerminatorInst *TI, unsigned SuccNum,
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bool AllowIdenticalEdges = false);
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/// SplitCriticalEdge - If this edge is a critical edge, insert a new node to
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/// split the critical edge. This will update DominatorTree, and DominatorFrontier
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/// information if it is available, thus calling this pass will not invalidate
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/// either of them. This returns true if the edge was split, false otherwise.
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/// split the critical edge. This will update DominatorTree and
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/// DominatorFrontier information if it is available, thus calling this pass
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/// will not invalidate either of them. This returns true if the edge was split,
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/// false otherwise.
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///
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/// If MergeIdenticalEdges is true (the default), *all* edges from TI to the
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/// specified successor will be merged into the same critical edge block.
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/// This is most commonly interesting with switch instructions, which may
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