[llvm] [LoopFusion] Fix sink instructions (PR #147501)

[Ryotaro Kasuga via llvm-commits]

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@@ -0,0 +1,86 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
+; RUN: opt -S -passes=mem2reg,loop-rotate,loop-fusion < %s 2>&1 | FileCheck %s
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kasuga-fj wrote:

Tests should be as concise as possible. In this case, this test should not rely on passes other than loop-fusion. It would be better to replace the input IR with the result of applying mem2reg and loop-rotate and run only loop-fuse.

https://github.com/llvm/llvm-project/pull/147501