[LLVMdev] RFC: ThinLTO Impementation Plan

[Xinliang David Li]

>
> b. Import Tuning:
>>
>> Tuning the import strategy will be an iterative process that will
>> continue to be refined over time. It involves several different types
>> of changes: adding support for recording additional metrics in the
>> function summary, such as profile data and optional heavier-weight IPA
>> analyses, and tuning the import heuristics based on the summary and
>> callsite context.
>>
>>
> How is this different from the existing profile work that Diego has been
> doing? I.e. how are the formats etc going to communicate?
>
>

ThinLTO summary creation will just be anthor consumer of profile data
producer (Instr, AutoFDO) etc.

David
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