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...able. However, instructions such as __builtin_expect may set branch weight metadata as well, which is useful for inliner. I think this problem can be addressed by letting llvm::getInlineCost function to use BlockFrequencyAnalysis regardless of availability of profile data, and making CallAnalyzer::updateThreshold to use callsite frequency instead of callsite count. Is there a reason that we allow inliner to use block frequency information only when profile data is given? Thanks, Taewook -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-...