[PATCH] D82919: [SampleFDO] Enable sample-profile-top-down-load by default.

[Wei Mi via Phabricator via llvm-commits]

wmi added a comment.

I tested the performance with sample-profile-top-down-load and sample-profile-merge-inlinee both enabled. In different compiler versions I got different result. In one version about three weeks older, I got 0.4% improvement for one benchmark steadily in multiple runs and neutral for another. In the head llvm version, I saw neutral result for both benchmarks.


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  rL LLVM

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https://reviews.llvm.org/D82919