[LLVMdev] Instrumentation passes and -O0 optimization level

[Alexander Potapenko]

>
> Alex,
> Now, the patch is actually a bit confusing to me.
> EP_AlwaysEnabled should mean "works with O0 after inliner and with >= O1
> somewhere late", but it doesn't look like it works this way (otherwise, you
> wouldn't need to call PMBuilder.addExtension twice).
> ?
This was actually my question to Devang.
Any other suggestions for the EP name?