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* [IfConversion] Only renormalize probabilities if branches are analyzableKrzysztof Parzyszek2017-03-061-0/+36
If a block has non-analyzable branches, the listed successors don't need to add up to one. For example, if a block has a conditional tail call, that tail call will not have a corresponding successor in the successor list, but will still be a possible branch. Differential Revision: https://reviews.llvm.org/D30556 llvm-svn: 297054
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