[clang] [llvm] [Clang][AArch64][SVE2p3][SME2p3] Add intrinsics for v9.7a add/add-and-subtract/subtract pairwise operations (PR #187527)

[Kerry McLaughlin via cfe-commits]

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@@ -0,0 +1,40 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6
+; RUN: llc -mtriple=aarch64-linux-gnu -mattr=+sve2p3 -enable-subreg-liveness -verify-machineinstrs < %s | FileCheck %s
+; RUN: llc -mtriple=aarch64-linux-gnu -mattr=+sme2p3 -enable-subreg-liveness -force-streaming -verify-machineinstrs < %s | FileCheck %s
+; RUN: llc -mtriple=aarch64-linux-gnu -mattr=+sme,+sve2p3 -enable-subreg-liveness -force-streaming -verify-machineinstrs < %s | FileCheck %s
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kmclaughlin-arm wrote:

`-enable-subreg-liveness` can be removed from the `-force-streaming` tests here and in the other files below.

https://github.com/llvm/llvm-project/pull/187527