[clang] [Clang][SME2] Add multi-vector add/sub builtins (PR #69725)

[Kerry McLaughlin via cfe-commits]

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@@ -1016,29 +1021,24 @@ std::string Intrinsic::mangleName(ClassKind LocalCK) const {
          getMergeSuffix();
 }
 
-void Intrinsic::emitIntrinsic(raw_ostream &OS, SVEEmitter &Emitter) const {
+void Intrinsic::emitIntrinsic(raw_ostream &OS, ACLEKind Kind) const {
   bool IsOverloaded = getClassKind() == ClassG && getProto().size() > 1;
 
   std::string FullName = mangleName(ClassS);
   std::string ProtoName = mangleName(getClassKind());
   std::string SMEAttrs = "";
 
-  if (Flags & Emitter.getEnumValueForFlag("IsStreaming"))
-    SMEAttrs += ", arm_streaming";
-  if (Flags & Emitter.getEnumValueForFlag("IsStreamingCompatible"))
-    SMEAttrs += ", arm_streaming_compatible";
-  if (Flags & Emitter.getEnumValueForFlag("IsSharedZA"))
-    SMEAttrs += ", arm_shared_za";
-  if (Flags & Emitter.getEnumValueForFlag("IsPreservesZA"))
-    SMEAttrs += ", arm_preserves_za";
-
   OS << (IsOverloaded ? "__aio " : "__ai ")
-     << "__attribute__((__clang_arm_builtin_alias("
-     << (SMEAttrs.empty() ? "__builtin_sve_" : "__builtin_sme_")
-     << FullName << ")";
-  if (!SMEAttrs.empty())
-    OS << SMEAttrs;
----------------
kmclaughlin-arm wrote:

The attributes aren't currently handled elsewhere in Clang so this shouldn't have been removed. I've added most of this code back in, but kept the ACLEKind switch in below as this is needed when the builtin kind is SVE but it has SME attributes.

https://github.com/llvm/llvm-project/pull/69725