[LLVMdev] Internal API Changes

[Talin]

Well, for now I've disabled generating debug info in my frontend so that I
can get work done, but I'd like to know what the problem is. I am calling
finalize().

On Tue, Sep 6, 2011 at 9:24 AM, Devang Patel <dpatel at apple.com> wrote:

> Yup. Now, the debug info nodes do not refer to compile unit.
> -
> Devang
> On Sep 5, 2011, at 2:23 AM, Duncan Sands wrote:
>
> > Hi Talin, I mentioned it because the error message you are getting is
> > identical (IIRC) to the error message being produced by llvm-gcc before
> > this patch went in.
> >
> > Ciao, Duncan.
> >
> > On 05/09/11 11:21, Talin wrote:
> >> On Sun, Sep 4, 2011 at 11:38 PM, Duncan Sands <baldrick at free.fr
> >> <mailto: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>
> >>> <mailto: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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> >>    <mailto:LLVMdev at cs.uiuc.edu <mailto:LLVMdev at cs.uiuc.edu>>
> >>    http://llvm.cs.uiuc.edu
> >>> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
> >>>
> >>>
> >>> --
> >>> -- Talin
> >>>
> >>>
> >>> _______________________________________________
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> http://llvm.cs.uiuc.edu
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> >>
> >>    _______________________________________________
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> http://llvm.cs.uiuc.edu
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> >>
> >>
> >>
> >>
> >> --
> >> -- Talin
> >
> > _______________________________________________
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>
>


-- 
-- Talin
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