Wenju He a6e870d0b6
[IRLinker] Don't add duplicate named MD node operand to dest module (#146020)
Fix llvm.ident exploding when linking many bitcode files in libclc. This
should de-duplicate other named metadata as well, e.g.
opencl.spir.version and opencl.ocl.version.

This PR is a re-submit of https://reviews.llvm.org/D20582 (authored by
Matt Arsenault) with update that only checks MD node pointer for
duplication according to review comment in that PR.

---------

Co-authored-by: Matt Arsenault <arsenm2@gmail.com>
2025-08-12 17:18:42 +08:00

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LLVM

!opencl.ocl.version = !{!0}
!opencl.spir.version = !{!0}
!llvm.ident = !{!1}
!0 = !{i32 2, i32 0}
!1 = !{!"LLVM.org clang version 20.1.0"}