Hongtao Yu d9b511d8e8 [CSSPGO] Set PseudoProbeInserter as a default pass. ...

Currenlty PseudoProbeInserter is a pass conditioned on a target switch. It works well with a single clang invocation. It doesn't work so well when the backend is called separately (i.e, through the linker or llc), where user has always to pass -pseudo-probe-for-profiling explictly. I'm making the pass a default pass that requires no command line arg to trigger, but will be actually run depending on whether the CU comes with `llvm.pseudo_probe_desc` metadata.

Reviewed By: wenlei

Differential Revision: https://reviews.llvm.org/D110209

2021-09-22 09:09:48 -07:00

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