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...rand to an instruction. This would be broken by this change, which would make it much easier to write buggy/incorrect compiler code and passes. -Chris -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20200325/3d08c954/attachment-0001.html>

> On Mar 20, 2020, at 12:34 PM, Nicholas Krause <xerofoify at gmail.com> wrote: > >> >> The problem isn’t constants or functions themselves, it is that they are instances of llvm::Value. Everything that walks a use/def list would have to run code that checks for this, and every call to inst->setOperand() would have to do locking or conditional locking. This would be