chill added a comment.
Needs a test in `clang/test` that `__builtin_extract_return_address` is
translated to `llvm.extractreturnaddress`.
What if LLVM IR contains a call to `llvm.extractreturnaddress`, but the target
is not AArch64?
================
Comment at: llvm/include/llvm/CodeGen/ISDOpcodes.h:74
/// the parent's frame or return address, and so on.
- FRAMEADDR, RETURNADDR, ADDROFRETURNADDR, SPONENTRY,
+ FRAMEADDR, RETURNADDR, ADDROFRETURNADDR, EXTRACTRETURNADDR, SPONENTRY,
----------------
Needs a comment about `EXTRACTRETURNADDR`. And also a slightly different
grouping, so the non-commented/undocumented things stand out.
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D75044/new/
https://reviews.llvm.org/D75044
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