[PATCH] D136846: [Driver] Add -fsample-profile-use-profi

spupyrev added a comment. Thanks @HaoyuZhang for adding the flag and the documentation. I just edited the message a bit; otherwise looks good. Comment at: clang/docs/UsersManual.rst:2244 + [OPTIONAL] During the sampling, the profiles may have errors or missing + blocks. Pr

[PATCH] D109531: [CSSPGO] Enable pseudo probe instrumentation in O0 mode.

spupyrev added a comment. In D109531#2993394 , @wmi wrote: > In D109531#2992721 , @hoy wrote: > >> In D109531#2992702 , @wenlei wrote: >> >>> The change makes sense given