AddDiscriminatorsPass not in O0 pipeline under NPM

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#1

Hi,

It seems that, under NPM, AddDiscriminatorsPass is not added into the O0 pipeline (buildO0DefaultPipeline). However, for legacy PM, the pass is in the O0 pipeline (need to specify -fdebug-info-for-profiling). It is hard to tell if it is intentional (https://reviews.llvm.org/D36040). So my question is does it make sense to support such configuration (for parity with legacy PM and completeness) or we leave it as is? Any specific use cases for that?

-thanks
Yuanfang

#2

That’s probably not an intentional difference, if you’d like to add that to the NPM feel free to send out a patch.

#3

Thanks. Sent https://reviews.llvm.org/D105650.