[llvm] [LoopVectorize] Teach LoopVectorizationLegality about more early exits (PR #107004)

[Florian Hahn via llvm-commits]

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@@ -0,0 +1,1969 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
+; RUN: opt -S < %s -p loop-vectorize -mattr=+sve -debug-only=loop-vectorize \
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fhahn wrote:

There's nothing target specific in this test at the moment, can it be moved out so we have test coverage for the legality checks independent of the target?

https://github.com/llvm/llvm-project/pull/107004