[LV] Move first order recurrence test to common folder. NFC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@299969 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/LoopVectorize/AArch64/first-order-recurrence.ll b/test/Transforms/LoopVectorize/first-order-recurrence.ll
similarity index 100%
rename from test/Transforms/LoopVectorize/AArch64/first-order-recurrence.ll
rename to test/Transforms/LoopVectorize/first-order-recurrence.ll