| commit | e40c56fcebd4413ab9ba49f33f6ac9981596efd7 | [log] [tgz] |
|---|---|---|
| author | Owen Rodley <orodley@google.com> | Mon Mar 31 16:16:35 2025 +1100 |
| committer | Owen Rodley <orodley@google.com> | Fri Jun 20 14:12:27 2025 +1000 |
| tree | ce3e2faa67c59fca19f4fc03ffcea3d6e48b6a6a | |
| parent | bb51c5d4b85a655e8c90247a6678e507402703a4 [diff] |
Store GUIDs in metadata See https://discourse.llvm.org/t/rfc-keep-globalvalue-guids-stable/84801 for context. This takes the existing AssignGUID pass from CtxProfAnalysis, and runs it by default, at the appropriate stages of the LTO pipeline. It also changes GlobalValue::getGUID() to retrieve the GUID from the metadata instead of computing it. We don't yet have the supporting downstream changes to make a dedicated GUID table in bitcode, nor do we use the metadata as part of ThinLTO -- it retains its existing mechanisms of recomputing GUIDs from separately saved data. That will be changed later.
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