[PATCH] D140929: [BPF] Support for "btf_decl_tag" annotations for arguments of extern functions

[Yonghong Song via Phabricator via cfe-commits]

yonghong-song added a comment.

Please separate the patch to clang and llvm part.



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Comment at: clang/lib/CodeGen/CGDebugInfo.cpp:4218
+  // DISubprogram's retainedNodes in the subsequent finalizeSubprogram call.
+  if (IsDeclForCallSite && CGM.getTarget().getTriple().isBPF()) {
+    if (auto *FD = dyn_cast<FunctionDecl>(D)) {
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Looks like this is for bpf only? Can we extend it to non-bpf as well? Currently, I think most use case, if any, will be in vmlinux (e.g., for struct_ops callback, etc).


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D140929/new/

https://reviews.llvm.org/D140929