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[llvm-mca] Emit a message when no bottlenecks are identified.
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Authored by mattd on Mar 7 2019, 9:01 AM.

Details

Summary

Since bottleneck hints are enabled via user request, it can be
confusing if no bottleneck information is presented. Such is the
case when no bottlenecks are identified. This patch emits a message
in that case.

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Event Timeline

mattd created this revision.Mar 7 2019, 9:01 AM
Herald added a project: Restricted Project. · View Herald TranscriptMar 7 2019, 9:01 AM
andreadb accepted this revision.Mar 7 2019, 11:01 AM

LGTM if you add flags -all-views=false -summary-view to that new test, and then you regenerate it with the update_mca script.

This revision is now accepted and ready to land.Mar 7 2019, 11:01 AM
This revision was automatically updated to reflect the committed changes.