[llvm-branch-commits] [llvm] [GVN] Restructure `GVN.h` to reduce its size (NFC) (PR #211024)

[Alexis Engelke via llvm-branch-commits]

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aengelke wrote:

Why do all these functions/members have to be defined in the pass class in a header included in PassBuilder.cpp?

https://github.com/llvm/llvm-project/pull/211024