[llvm-dev] Options for timing passes in LLVM?

[陳韋任 via llvm-dev]

Refer to `llc` document [1], it would be `--time-passes`.

[1] http://llvm.org/docs/CommandGuide/llc.html

HTH,
chenwj


2017-04-14 19:39 GMT+08:00 Martin J. O'Riordan via llvm-dev <
llvm-dev at lists.llvm.org>:

> Hi LLVM-Dev,
>
>
>
> Are there any options that can be used to report the time each LLVM pass
> takes to execute?  I am examining a program that now takes about 6 times
> longer to compiler since we moved to the v4.0 sources from the v3.9 sources
> (~54s to ~320s), and so far my investigation does not seem to point to our
> additional target specific passes, so I would like to see where the time is
> being spent.  If there are existing options already present for this kind
> of thing, that would be very helpful.
>
>
>
> Thanks,
>
>
>
>             MartinO
>
>
>
> _______________________________________________
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>


-- 

--
Wei-Ren Chen (陳韋任)
Homepage: https://people.cs.nctu.edu.tw/~chenwj
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