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Commit 707836ed authored by Yevgeny Rouban's avatar Yevgeny Rouban
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[JumpThreading] Handle zero !prof branch_weights 

Avoid division by zero in updatePredecessorProfileMetadata().

Reviewers: yamauchi
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D81499
parent 0ce9bf6e
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