[llvm] r179122 - Update the version of dwarf we say we're emitting to at least 3.

[Alexey Samsonov]

While we're here, WDYT of the patch http://llvm-reviews.chandlerc.com/D646?
:)


On Thu, Apr 11, 2013 at 1:16 AM, Eric Christopher <echristo at gmail.com>wrote:

> Yep. I just saw Alexey's patch...
>
> Thanks!
>
> -eric
>
> On Wed, Apr 10, 2013 at 2:09 PM, Manman Ren <mren at apple.com> wrote:
> >
> > Just a note,
> > We also need to update handling of DW_FORM_ref_addr under lib/DebugInfo/
> to
> > use VERSION 3+.
> >
> > Manman
> >
> > On Apr 9, 2013, at 1:22 PM, Eric Christopher <echristo at gmail.com> wrote:
> >
> > Author: echristo
> > Date: Tue Apr  9 15:22:47 2013
> > New Revision: 179122
> >
> > URL: http://llvm.org/viewvc/llvm-project?rev=179122&view=rev
> > Log:
> > Update the version of dwarf we say we're emitting to at least 3.
> >
> > Deals with a dwarf2 -> dwarf3 DW_FORM_ref_addr change.
> >
> > Added:
> >    llvm/trunk/test/DebugInfo/dwarf-version.ll
> > Modified:
> >    llvm/trunk/include/llvm/Support/Dwarf.h
> >
> > Modified: llvm/trunk/include/llvm/Support/Dwarf.h
> > URL:
> >
> http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Support/Dwarf.h?rev=179122&r1=179121&r2=179122&view=diff
> >
> ==============================================================================
> > --- llvm/trunk/include/llvm/Support/Dwarf.h (original)
> > +++ llvm/trunk/include/llvm/Support/Dwarf.h Tue Apr  9 15:22:47 2013
> > @@ -67,7 +67,7 @@ const uint64_t DW64_CIE_ID = UINT64_MAX;
> >
> >
> > enum dwarf_constants {
> > -  DWARF_VERSION = 2,
> > +  DWARF_VERSION = 3,
> >
> >   // Tags
> >   DW_TAG_array_type = 0x01,
> >
> > Added: llvm/trunk/test/DebugInfo/dwarf-version.ll
> > URL:
> >
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/dwarf-version.ll?rev=179122&view=auto
> >
> ==============================================================================
> > --- llvm/trunk/test/DebugInfo/dwarf-version.ll (added)
> > +++ llvm/trunk/test/DebugInfo/dwarf-version.ll Tue Apr  9 15:22:47 2013
> > @@ -0,0 +1,17 @@
> > +; RUN: llc -filetype=obj -O0 < %s > %t
> > +; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s
> > +
> > +; Test the version of debug info we say we're emitting.
> > +; CHECK: version = 0x0003
> > +
> > + at a = common global i32 0, align 4
> > +
> > +!llvm.dbg.cu = !{!0}
> > +
> > +!0 = metadata !{i32 786449, metadata !1, i32 12, metadata !"clang
> version
> > 3.3 (trunk 179108) (llvm/trunk 179114)", i1 false, metadata !"", i32 0,
> > metadata !2, metadata !2, metadata !2, metadata !3, metadata !""} ; [
> > DW_TAG_compile_unit ] [/usr/local/google/home/echristo/tmp/foo.c]
> > [DW_LANG_C99]
> > +!1 = metadata !{metadata !"foo.c", metadata
> > !"/usr/local/google/home/echristo/tmp"}
> > +!2 = metadata !{i32 0}
> > +!3 = metadata !{metadata !4}
> > +!4 = metadata !{i32 786484, i32 0, null, metadata !"a", metadata !"a",
> > metadata !"", metadata !5, i32 1, metadata !6, i32 0, i32 1, i32* @a,
> null}
> > ; [ DW_TAG_variable ] [a] [line 1] [def]
> > +!5 = metadata !{i32 786473, metadata !1}          ; [ DW_TAG_file_type ]
> > [/usr/local/google/home/echristo/tmp/foo.c]
> > +!6 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32,
> i64
> > 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32,
> > align 32, offset 0, enc DW_ATE_signed]
> >
> >
> > _______________________________________________
> > llvm-commits mailing list
> > llvm-commits at cs.uiuc.edu
> > http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
> >
> >
>



-- 
Alexey Samsonov, MSK
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