[PATCH] D71162: [BPF] Support weak global variables for BTF

[Yonghong Song via Phabricator via llvm-commits]

yonghong-song created this revision.
yonghong-song added reviewers: ast, anakryiko.
Herald added subscribers: llvm-commits, hiraditya.
Herald added a project: LLVM.

Generate types for global variables with "weak" attribute.
Keep allocation scope the same for both weak and non-weak
globals as ELF symbol table can determine whether a global
symbol is weak or not.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D71162

Files:
  llvm/lib/Target/BPF/BTFDebug.cpp
  llvm/test/CodeGen/BPF/BTF/weak-global-2.ll
  llvm/test/CodeGen/BPF/BTF/weak-global.ll

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