[llvm] [SimplifyCFG] Simplify nested branches (PR #97067)

[Nikita Popov via llvm-commits]

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@@ -146,3 +146,294 @@ Succ:
 }
 
 declare void @dummy()
+
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nikic wrote:

Please use a new file for these tests.

https://github.com/llvm/llvm-project/pull/97067