[llvm] [AArch64] Allow single-element vector FP converts with +fprcvt (PR #169692)

[via llvm-commits]

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@@ -1,7 +1,9 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
 ; RUN: llc -mattr=+sve -force-streaming-compatible < %s | FileCheck %s
 ; RUN: llc -mattr=+sme -force-streaming < %s | FileCheck %s
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Lukacma wrote:

We should add a runline with fprcvt enabled as well.

https://github.com/llvm/llvm-project/pull/169692