[llvm-dev] llvm-dev Digest, Vol 181, Issue 99

[vivek pandya via llvm-dev]

>
> Dear Vivek,
>     Sorry, I couldn't reply to the same thread. I want to know which
> existing passes emit optimization remarks. Here passes refer to the
> Analysis and Transformation passes listed in llvm.org/docs/Passes.html.
>
You can create list by your own, just grep "OptimizationRemarkEmitter"

> Also where can I find  more information on the internals of optimization
> remarks infrastructure?
>
Here is old video
https://www.youtube.com/watch?v=qq0q1hfzidg&feature=youtu.be on Remarks
if you want to understand code structure please study
https://reviews.llvm.org/D33514#change-TSuFB7f6zlkz
and ask specific doubt on here or in personal thread.
-Vivek

>
> Regards,
> Pradeep
>
> On Fri, Jul 26, 2019 at 10:06 PM Pradeep Kumar <pradeepisro49 at gmail.com>
> wrote:
>
> > Dear llvm-dev community,
> >    I am trying to analyze the optimization remarks generated through
> clang
> > using -fsave-optimization-remark with -O3.
> >
> > --- !Analysis
> > Pass: loop-vectorize
> > Name: CFGNotUnderstood
> > DebugLoc: { File: c-ray-mt.c, Line: 177, Column: 2 }
> > Function: main
> > Args:
> > - String: 'loop not vectorized: '
> > - String: loop control flow is not understood by vectorizer
> >
> >
> > I tried to look for information about "loop vectorize pass" and other
> > emitted pass in the official llvm passes documentaiton here
> > <https://llvm.org/docs/Passes.html> but it is not there. Please let me
> > know where to find information about passes emitted in the optimization
> > report.
> >
> > Regards,
> > Pradeep
> >
>
>
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