[LLVMdev] Internal API Changes

[Talin]

On Sun, Sep 4, 2011 at 11:38 PM, Duncan Sands <baldrick at free.fr> wrote:

> Hi Talin,
>
> > So, I just sync'd to LLVM tip and added the call to
> DIBuilder::finalize(). But
> > even with that change I am getting an error when I try to run llc:
> >
> > Assertion failed: (TheCU && "Unable to find compile unit!"), function
> > endFunction, file
> > /Users/talin/Projects/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp, line
> 1306.
> >
> > And looking at the .bc dissassembly, I see there are indeed compile unit
> > MDNodes, although at this level I can't tell if they are hooked up
> correctly.
>
> you might want to take a look at this llvm-gcc commit:
>
> r137753 | dpatel | 2011-08-16 23:03:26 +0200 (Tue, 16 Aug 2011) | 3 lines
>
> DIBuilder is moving forward to reduce in memory use by MDNodes. However,
> DIFactory does not emit debug info in updated form.
> Use LLVMDebugVersion10 directly here so that debug info nodes produced by
> DIFactory do not claim to adhere newer structure.
>
> I'm not sure I understand. I'm using DIBuilder, not DIFactory, since I
thought DIFactory was deprecated.


> Ciao, Duncan.
>
> >
> > On Wed, Aug 31, 2011 at 9:07 AM, Devang Patel <dpatel at apple.com
> > <mailto:dpatel at apple.com>> wrote:
> >
> >
> >     On Aug 22, 2011, at 6:48 AM, Irina Lipov wrote:
> >
> >>     Hi,
> >>     I saw your update regarding "/The |DIBuilder| interface used by
> front ends
> >>     to encode debugging information in the LLVM IR now expects clients
> to use
> >>     |DIBuilder::finalize()| at the end of translation unit to complete
> >>     debugging information encoding"/
> >>     Does it mean that in the new version you defer emission of some
> debug
> >>     info until  the translation  is finished and this is a reason to use
> >>     DIBuilder::finalize?
> >
> >     Before this change, each type, subprogram and global variable
> information
> >     used to refer compile unit directly. Now, the compile unit keeps
> track of
> >     all these info directly. The compile unit MDNode is updated in the
> >     ::finalize() with list of types, subprograms etc..
> >     -
> >     Devang
> >
> >
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> >
> >
> > --
> > -- Talin
> >
> >
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-- 
-- Talin
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