[all-commits] [llvm/llvm-project] 6fb913: [RelLookupTableConverter] Drop unnamed_addr for GV...

[dianqk via All-commits]

  Branch: refs/heads/release/20.x
  Home:   https://github.com/llvm/llvm-project
  Commit: 6fb913d3e2ec82ac3b351f9652c311cd12088a8f
      https://github.com/llvm/llvm-project/commit/6fb913d3e2ec82ac3b351f9652c311cd12088a8f
  Author: dianqk <dianqk at dianqk.net>
  Date:   2025-07-08 (Tue, 08 Jul 2025)

  Changed paths:
    M llvm/lib/Transforms/Utils/RelLookupTableConverter.cpp
    M llvm/test/Transforms/RelLookupTableConverter/unnamed_addr.ll

  Log Message:
  -----------
  [RelLookupTableConverter] Drop unnamed_addr for GVs in entries to avoid generating GOTPCREL relocations (#146068)

The entry in a relative lookup table is a global variable with a
constant offset, such as `@gv`, `GEP @gv, 1`, and so on.

We cannot only consider the case of a trivial global variable. This PR
handles all cases using the existing `IsConstantOffsetFromGlobal`
function.

(cherry picked from commit c43282ab69d7ff1b64f8ef5c84eab46e57553075)



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