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[Analysis] Pass RecurrenceDescriptor as const reference. NFCI.

Authored by RKSimon on Jun 10 2021, 7:13 AM.



We were passing the RecurrenceDescriptor by value to most of the reduction analysis methods, despite it being rather bulky with TrackingVH members (that can be costly to copy). In all these cases we're only using the RecurrenceDescriptor for rather basic purposes (access to types/kinds etc.).

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RKSimon created this revision.Jun 10 2021, 7:13 AM
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This revision is now accepted and ready to land.Jun 10 2021, 7:17 AM
sdesmalen accepted this revision.Jun 10 2021, 7:18 AM
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Passing by const reference seems sensible, it avoids passing the whole thing by value and none of the functions need to modify it.

This revision was landed with ongoing or failed builds.Jun 11 2021, 2:24 AM
This revision was automatically updated to reflect the committed changes.