tree b227d78e13fce00f12b2d82a2ed0f6eeddfbea33
parent 71cf59219162be67392b435dfcb9b280e1ff8681
author Fangrui Song <i@maskray.me> 1743479069 -0700
committer GitHub <noreply@github.com> 1743479069 -0700
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AsmPrinter: Remove ELF's special lowerRelativeReference for unnamed_addr function

https://reviews.llvm.org/D17938 introduced lowerRelativeReference to
give ConstantExpr sub (A-B) special semantics in ELF: when `A` is an
`unnamed_addr` function, create a PLT-generating relocation. This was
intended for C++ relative vtables, but C++ relative vtable ended up
using DSOLocalEquivalent (lowerDSOLocalEquivalent).

This special treatment of `unnamed_addr` seems unusual.
Let's remove it. Only COFF needs an overload to generate a @IMGREL32
relocation specifier (llvm/test/MC/COFF/cross-section-relative.ll).

Pull Request: https://github.com/llvm/llvm-project/pull/132684