[llvm] [LV][NFC] precommit test for EVL transform (PR #92203)

[Florian Hahn via llvm-commits]

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+; 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
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fhahn wrote:

why is `-force-target-instruction-cost=1` needed?

https://github.com/llvm/llvm-project/pull/92203