[llvm] [LV, VPlan] Check if plan is compatible to EVL transform (PR #92092)

[Florian Hahn via llvm-commits]

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@@ -0,0 +1,161 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
+; RUN: opt -passes=loop-vectorize -force-tail-folding-style=data-with-evl \
+; RUN: -prefer-predicate-over-epilogue=predicate-dont-vectorize \
+; RUN: -force-target-instruction-cost=1 -mtriple=riscv64 -mattr=+v -S < %s | FileCheck %s
+
+; Check loops having VPWidenIntOrFpInductionRecipe
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fhahn wrote:

nit: would be good to have an explanation, e.g. `Make sure we do not vectorize a loop with a widened induction.`

Same for the others

https://github.com/llvm/llvm-project/pull/92092