Hi Eddie,

> On Sep 19, 2016, at 6:10 PM, Eddie Santos via swift-dev <swift-dev@swift.org> 
> wrote:
> Hi all,
> Are there any moderately do-able optimizations that can be done in the Swift 
> compiler that have not been done yet?
> I am a masters student at the University of Alberta in Dr. J. Nelson Amaral's 
> compiler optimization course, and I am searching for a project that can be 
> reasonably completed in two months' time. Contributing to Swift's compiler 
> seems like a great choice!

Cool! Welcome!

> I am also open to making improvements to LLVM in general, though the point of 
> this project is to get my feet wet in static analysis -- I'm not an expert 
> yet.
> I'm interested in anything character encodings, strings and unicode, but that 
> limits my options in terms of *compiler optimizations*. I can also look into 
> profile-guided optimizations in LLVM [Profile], but I wanna know who's got 
> dibs before I start off on my own.

There are two things which I have in mind:

1) You could look at optimizing character literals. Try to compile the 
following code and you’ll see what I mean.

func foo() -> Character {
  return Character("x")

2) Vedant has started working on PGO for swift. When the basic infrastructure 
is in place you could work on using PGO data in various SIL optimizations.


> Your input is welcome.
> [Profile]: http://llvm.org/OpenProjects.html#profileguided 
> <http://llvm.org/OpenProjects.html#profileguided>
> Regards,
> Eddie
> --
> Eddie Antonio Santos
> M.Sc. Student and Teaching Assistant
> Department of Computing Science
> University of Alberta
> easan...@ualberta.ca <mailto:easan...@ualberta.ca>
> http://eddieantonio.ca/ 
> <http://eddieantonio.ca/>_______________________________________________
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