[clang] [llvm] [AArch64] Add intrinsics support for SVE2p2 instructions (PR #163575)

[Kerry McLaughlin via llvm-commits]

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@@ -0,0 +1,101 @@
+// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 6
+// REQUIRES: aarch64-registered-target
+// RUN: %clang_cc1 -triple aarch64 -target-feature +sve -target-feature +sve2p2 -disable-O0-optnone -Werror -Wall -emit-llvm -o - %s | opt -S -passes=mem2reg,tailcallelim | FileCheck %s
+// RUN: %clang_cc1 -triple aarch64 -target-feature +sme -target-feature +sme2p2 -disable-O0-optnone -Werror -Wall -emit-llvm -o - %s | opt -S -passes=mem2reg,tailcallelim | FileCheck %s
+// RUN: %clang_cc1 -triple aarch64 -target-feature +sve -target-feature +sme2p2 -disable-O0-optnone -Werror -Wall -emit-llvm -o - %s | opt -S -passes=mem2reg,tailcallelim | FileCheck %s
+// RUN: %clang_cc1 -triple aarch64 -target-feature +sme -target-feature +sve2p2 -disable-O0-optnone -Werror -Wall -emit-llvm -o - %s | opt -S -passes=mem2reg,tailcallelim | FileCheck %s
+
+// RUN: %clang_cc1 -triple aarch64 -target-feature +sve -target-feature +sve2p2 -disable-O0-optnone -Werror -Wall -emit-llvm -o - -x c++ %s | opt -S -passes=mem2reg,tailcallelim | FileCheck %s -check-prefix=CPP-CHECK
+// RUN: %clang_cc1 -triple aarch64 -target-feature +sve -target-feature +sve2p2 -S -disable-O0-optnone -Werror -Wall -o /dev/null %s
+
+#ifdef __ARM_FEATURE_SME
+#include "arm_sme.h"
+#else
+#include "arm_sve.h"
+#endif
+
+#ifdef __ARM_FEATURE_SME
+#define STREAMING __arm_streaming
+#else
+#define STREAMING
+#endif
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kmclaughlin-arm wrote:

Is it possible to combine these blocks, since they are both checking whether `__ARM_FEATURE_SME` is defined?

https://github.com/llvm/llvm-project/pull/163575