[clang-tools-extra] [LLVM] Add IRNormalizer Pass (PR #68176)

[Michal Paszkowski via cfe-commits]

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@@ -0,0 +1,637 @@
+//===--------------- IRNormalizer.cpp - IR Canonicalizer ---------------===//
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michalpaszkowski wrote:

Canonicalizer -> Normalizer

https://github.com/llvm/llvm-project/pull/68176