[llvm] [AArch64] Use firstp for SVE2.2 cttz.elts (PR #221182)

[via llvm-commits]

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@@ -1,22 +1,37 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
-; RUN: llc -enable-subreg-liveness -mtriple=aarch64-linux-gnu -mattr=+sve < %s | FileCheck %s --check-prefixes=CHECK,NONSTREAMING
-; RUN: llc -enable-subreg-liveness -mtriple=aarch64-linux-gnu -mattr=+sme -force-streaming < %s | FileCheck %s --check-prefixes=CHECK,STREAMING
+; RUN: llc -enable-subreg-liveness -mtriple=aarch64-linux-gnu -mattr=+sve < %s | FileCheck %s --check-prefixes=CHECK,NONSTREAMING,SVE,SVE-NONSTREAMING
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Lukacma wrote:

The naming of the checklines needs to be improved as it is currently very difficult to determine whick runline generates what. Maybe smth like: CHECK, STREAMING, NONSTREAMING, SCALABLE1, SVE, SME, SCALABLE2p2, SVE2p2, SME2p2

https://github.com/llvm/llvm-project/pull/221182