[clang] [llvm] [Clang][SME] Detect always_inline used with mismatched streaming attributes (PR #77936)

[Sander de Smalen via cfe-commits]

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@@ -814,6 +820,49 @@ Address AArch64ABIInfo::EmitMSVAArg(CodeGenFunction &CGF, Address VAListAddr,
                           /*allowHigherAlign*/ false);
 }
 
+class SMEAttributes {
+public:
+  bool IsStreaming = false;
+  bool IsStreamingCompatible = false;
+  bool HasNewZA = false;
+
+  SMEAttributes(const FunctionDecl *F) {
+    if (F->hasAttr<ArmLocallyStreamingAttr>())
+      IsStreaming = true;
+    if (auto *NewAttr = F->getAttr<ArmNewAttr>()) {
+      if (NewAttr->isNewZA())
+        HasNewZA = true;
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sdesmalen-arm wrote:

Please inline this directly where it's used on line 861.

https://github.com/llvm/llvm-project/pull/77936