[AArch64] Add test/CodeGen/AArch64/vecreduce-fadd.ll

This test is added to see difference created by:

  https://reviews.llvm.org/D59259



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@356054 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed