[llvm] [LoopFusion] Cleanup control flow before Fusion (PR #226289)

[Ehsan Amiri via llvm-commits]

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@@ -0,0 +1,389 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 6
+; RUN: opt -S -passes=loop-fusion < %s | FileCheck %s
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amehsan wrote:

Done 

https://github.com/llvm/llvm-project/pull/226289