[llvm] [CGData] Global Merge Functions (PR #112671)

[Mikael Holmén via llvm-commits]

mikaelholmen wrote:

> > Hi,
> > I've no idea if this is expected but I noticed that if I run `opt -passes=global-merge-func gmf.ll -o /dev/null` on gmf.ll being
> > ```
> > @0 = global { { ptr, i32, i32 } } { { ptr, i32, i32 } { ptr null, i32 19, i32 5 } }
> > @1 = global { { ptr, i32, i32 } } { { ptr, i32, i32 } { ptr null, i32 22, i32 5 } }
> > ```
> > 
> > 
> >     
> >       
> >     
> > 
> >       
> >     
> > 
> >     
> >   
> > it crashes like
> 
> Thank you for testing this! I can't reproduce the issue on my end, but I suspect it might be due to the module summary being run twice, even though it's optional. Could you please try out #116241 again?

Weird if you can't reproduce it. I did again at 878b03e0b9669. Asserts must be on.
Anyway I tried #116241 and with that it doesn't crash for me.

https://github.com/llvm/llvm-project/pull/112671