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

[Amina Chabane 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
-; RUN: llc -mattr=+sme2p2 -force-streaming-compatible < %s | FileCheck %s --check-prefix=USE-NEON-NO-GPRS
+; RUN: llc -force-streaming-compatible  < %s | FileCheck %s --check-prefix=CHECK-STREAMING
+; RUN: llc -force-streaming-compatible -mattr=+fprcvt,+fullfp16  < %s | FileCheck %s --check-prefix=USE-NEON-NO-GPRS
+; RUN: llc -force-streaming-compatible -mattr=+fprcvt,+fullfp16,-neon  < %s | FileCheck %s --check-prefix=NO-NEON
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Amichaxx wrote:

It was added to test if illegal fcvt instructions wouldn't be emitted but I suppose it is redundant. I have removed it.

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