[clang] [Clang][SME2] Enable multi-vector loads & stores for SME2 (PR #75821)

[via cfe-commits]

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@@ -1990,79 +1990,61 @@ def SVWHILELO_COUNT  : SInst<"svwhilelo_{d}",  "}nni", "QcQsQiQl", MergeNone, "a
 def SVWHILELS_COUNT  : SInst<"svwhilels_{d}",  "}nni", "QcQsQiQl", MergeNone, "aarch64_sve_whilels_{d}", [IsOverloadNone], [ImmCheck<2, ImmCheck2_4_Mul2>]>;
 def SVWHILEHI_COUNT  : SInst<"svwhilehi_{d}",  "}nni", "QcQsQiQl", MergeNone, "aarch64_sve_whilehi_{d}", [IsOverloadNone], [ImmCheck<2, ImmCheck2_4_Mul2>]>;
 def SVWHILEHS_COUNT  : SInst<"svwhilehs_{d}",  "}nni", "QcQsQiQl", MergeNone, "aarch64_sve_whilehs_{d}", [IsOverloadNone], [ImmCheck<2, ImmCheck2_4_Mul2>]>;
+}
+
+multiclass MultiVecLoad<string i> {
+  // FIXME: Replace IsStreamingCompatible with IsStreamingOrHasSVE2p1 when available (SME2 requires __arm_streaming)
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CarolineConcatto wrote:

I believe sme2 requires __arm_streaming_compatible instead of arm_streaming

https://github.com/llvm/llvm-project/pull/75821