[clang] [llvm] [Clang][AArch64][SVE2p3][SME2p3] Add intrinsics for v9.7a Two-way signed/unsigned absolute difference sum and accumulate long ops (PR #188972)

[Martin Wehking via cfe-commits]

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+; 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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MartinWehking wrote:

I suppose these -enable-subreg-liveness flags are also not needed in streaming mode (like Kerry mentioned on the other patches as well)

https://github.com/llvm/llvm-project/pull/188972