[PATCH] D76802: [InstrProfiling] Use !associated metadata for counters, data and values
Fangrui Song via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Jan 27 14:35:50 PST 2021
MaskRay added a comment.
Please also comment (and update the description) that self-link may be used. This is subtle. The reason is that the ELF section names (e.g. `__llvm_prf_cnts`) are C identifiers and considered GC roots in the absence of the `SHF_LINK_ORDER` flag.
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rG LLVM Github Monorepo
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https://reviews.llvm.org/D76802/new/
https://reviews.llvm.org/D76802
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