[clang] [Clang][SME2] Add single and multi min and max builtins (PR #71688)

[Kerry McLaughlin via cfe-commits]

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+// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
+// RUN: %clang_cc1 -D__ARM_FEATURE_SME -D__ARM_FEATURE_SME2 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +sme2 -S -disable-O0-optnone -Werror -Wall -emit-llvm -o - %s | opt -S -p mem2reg,instcombine,tailcallelim | FileCheck %s
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kmclaughlin-arm wrote:

I think the `-D__ARM_FEATURE` flags can be removed as you're also passing `-target-feature`

https://github.com/llvm/llvm-project/pull/71688