[clang] [AArch64][SME] Warn when using a streaming builtin from a non-streaming function (PR #74064)

[Sam Tebbs via cfe-commits]

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@@ -289,7 +283,7 @@ ARM_STREAMING_ATTR void test_svst1_ver_vnum_za64(uint32_t slice_base, svbool_t p
 // CHECK-CXX-NEXT:    tail call void @llvm.aarch64.sme.st1q.vert(<vscale x 1 x i1> [[TMP0]], ptr [[TMP2]], i32 15, i32 [[SLICE_BASE]])
 // CHECK-CXX-NEXT:    ret void
 //
-ARM_STREAMING_ATTR void test_svst1_ver_vnum_za128(uint32_t slice_base, svbool_t pg, void *ptr, int64_t vnum) {
+void test_svst1_ver_vnum_za128(uint32_t slice_base, svbool_t pg, void *ptr, int64_t vnum) __arm_streaming {
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SamTebbs33 wrote:

Sure thing.

https://github.com/llvm/llvm-project/pull/74064