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2014 Jun 26
7
[LLVMdev] -gcolumn-info and PR 14106
For -Rpass, and other related uses, I am looking at enabling column info by
default. David pointed me at PR 14106, which seems to be the original
motivation for introducing -gcolumn-info. However, I am finding no
differences when using it on this test. I've tried building with/without
-gcolumn-info and found almost no difference in compile time (+0.4%):
$ /usr/bin/time clang -w -fno-builtin -O2 -g -gcolumn-info test-tgmath2.i
474.38user 2.10system 7:58.00elapsed 99%CPU...
2014 Jun 26
2
[LLVMdev] -gcolumn-info and PR 14106
...s at cs.uiuc.edu [mailto:llvmdev-bounces at cs.uiuc.edu] On
> Behalf Of Diego Novillo
> Sent: Thursday, June 26, 2014 9:46 AM
> To: LLVM Developers Mailing List; Eric Christopher; David Blaikie;
> octoploid at yandex.com; craig.topper at gmail.com; Chris Lattner
> Subject: [LLVMdev] -gcolumn-info and PR 14106
>
>
>
> For -Rpass, and other related uses, I am looking at enabling column info by
> default. David pointed me at PR 14106, which seems to be the original
> motivation for introducing -gcolumn-info. However, I am finding no
> differences when using it on this...
2014 Jun 26
2
[LLVMdev] -gcolumn-info and PR 14106
On Thu, Jun 26, 2014 at 3:39 PM, Robinson, Paul
<Paul_Robinson at playstation.sony.com> wrote:
> The main motivation for turning it off is that no known consumer (debugger)
> took advantage of it.
>
> Turning it on does more than slightly increase the object file size, it can
> cause the same source line to be listed multiple times in the .debug_line
> table (with different