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

[Matthew Devereau via cfe-commits]

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@@ -812,6 +819,23 @@ Address AArch64ABIInfo::EmitMSVAArg(CodeGenFunction &CGF, Address VAListAddr,
                           /*allowHigherAlign*/ false);
 }
 
+void AArch64TargetCodeGenInfo::checkFunctionCallABI(
+    CodeGenModule &CGM, SourceLocation CallLoc, const FunctionDecl *Caller,
+    const FunctionDecl *Callee, const CallArgList &Args) const {
+  if (!Callee->hasAttr<AlwaysInlineAttr>())
+    return;
+
+  auto CalleeIsStreaming =
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MDevereau wrote:

nit: I think `bool` is better than `auto` here

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