[LLVMdev] debugloc metadata variation
chisophugis at gmail.com
Wed Oct 22 17:41:22 PDT 2014
On Wed, Oct 22, 2014 at 4:57 PM, David Blaikie <dblaikie at gmail.com> wrote:
> Just working on some of the gmlt+fission debug info stuff and I came
> across a comment that might be relevant to reducing the number of distinct
> debugloc metadata nodes:
> "or some sub-optimal metadata that
> // isn't structurally identical (see: file path/name info from clang,
> // includes the directory of the cpp file being built, even when the
> file name
> // is absolute (such as an <> lookup header)))"
> Seems that the file path/name isn't well canonicalized so as to allow
> metadata level merging when linking. Might be helpful to figure out that
> issue at some point.
I wonder how much memory is spent on redundant path prefixes. E.g.
-- Sean Silva
> - David
> LLVM Developers mailing list
> LLVMdev at cs.uiuc.edu http://llvm.cs.uiuc.edu
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