llvm dev - Aug 2007 - [LLVMdev] RFC: Patch for Exceptions

Hello, Bill
> It may be my lack of understanding, but it appears that having -- 
> enable-eh set during compilation of llvm-gcc is causing extra files  
> to be compiled.
Oh, no. They are always compiled.
> They do. However, it doesn't seem to stop it from failing during  
> compilation of unwind-dw2.c for libgcc -- it has  
> "__builtin_eh_return" in it. During 4-way FAT PPC compilation, it
> tries to compile this file and fails during the LowerOperation  
> function. Turning --enable-eh off makes the error go away.
Could you please send me .bc, which fails? I'll try to figure out, what
is going wrong.

-- 
With best regards, Anton Korobeynikov.

Faculty of Mathematics & Mechanics, Saint Petersburg State University.

On 8/29/07, Bill Wendling <isanbard at gmail.com>
wrote:
> On 8/29/07, Anton Korobeynikov <asl at math.spbu.ru> wrote:
> > Hello, Bill
> >
> > > It may be my lack of understanding, but it appears that having --
> > > enable-eh set during compilation of llvm-gcc is causing extra
files
> > > to be compiled.
> > Oh, no. They are always compiled.
> >
> > > They do. However, it doesn't seem to stop it from failing
during
> > > compilation of unwind-dw2.c for libgcc -- it has
> > > "__builtin_eh_return" in it. During 4-way FAT PPC
compilation, it
> > > tries to compile this file and fails during the LowerOperation
> > > function. Turning --enable-eh off makes the error go away.
> > Could you please send me .bc, which fails? I'll try to figure out,
what
> > is going wrong.
> >
> Here's the attached .ll file. Please use -march=ppc and/or ppc64.
>
And now the bugpoint reduced bc file.

-bw
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