[llvm] r201380 - DebugInfo: Don't include the name of the CU file in the line table file list when it's unneeded

[Eric Christopher]

Hi Juergen,

I can duplicate this and have reverted it for now while it's investigated.

Thanks for the note. :)

-eric

On Thu, Feb 13, 2014 at 6:33 PM, Juergen Ributzka <juergen at apple.com> wrote:
> Hi David,
>
> this fails on Darwin with:
> ; CHECK: total_length: 0x00000019
>          ^
> <stdin>:6:2: note: scanning from here
>  total_length: 0x0000001e
>
> Could you please take a look?
>
> Thanks
>
> -Juergen
>
>
> On Feb 13, 2014, at 5:58 PM, David Blaikie <dblaikie at gmail.com> wrote:
>
> Added: llvm/trunk/test/DebugInfo/empty.ll
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/empty.ll?rev=201380&view=auto
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/empty.ll (added)
> +++ llvm/trunk/test/DebugInfo/empty.ll Thu Feb 13 19:57:59 2014
> @@ -0,0 +1,20 @@
> +; RUN: llc %s -o %t -filetype=obj
> +; RUN: llvm-dwarfdump -debug-dump=line %t | FileCheck %s
> +
> +; PR18809
> +; XFAIL: cygwin,mingw32
> +
> +; Expect no line table entry since there are no functions and file
> references in this compile unit
> +; CHECK: .debug_line contents:
> +; CHECK: Line table prologue:
> +; CHECK: total_length: 0x00000019
> +; CHECK-NOT: file_names[
> +
>
>
>
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