[llvm] [AllocToken] Introduce AllocToken instrumentation pass (PR #156838)

[Marco Elver via llvm-commits]

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@@ -0,0 +1,84 @@
+; RUN: opt < %s -passes=inferattrs,alloc-token -alloc-token-mode=increment -S | FileCheck %s
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melver wrote:

Switched to auto-generated tests.
I'll refrain the intermediate PR, because I think it's clear enough as-is. It'll be a pain in case we need to revert things and can't fix forward (hoping that won't be the case though).

https://github.com/llvm/llvm-project/pull/156838