[llvm] [LoopVectorize] Fix crash with GC statepoint in epilogue vectorization (PR #179459)

[Florian Hahn via llvm-commits]

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@@ -0,0 +1,40 @@
+; RUN: opt -passes=loop-vectorize -enable-epilogue-vectorization -force-vector-width=2 -epilogue-vectorization-force-VF=2 -S < %s | FileCheck %s
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fhahn wrote:

can you generate the full IR for the test, using update_test_checks.py?

Is it possible that we end up with a trivial reduction? I think we expect them to be folded away

https://github.com/llvm/llvm-project/pull/179459