[LLVMdev] debugloc metadata variation
dblaikie at gmail.com
Wed Oct 22 16:57:39 PDT 2014
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
// 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.
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