[clang] __sys builtin support (PR #145079)

[Daniel Paoliello via cfe-commits]

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@@ -5500,8 +5502,13 @@ Value *CodeGenFunction::EmitAArch64BuiltinExpr(unsigned BuiltinID,
 
     llvm::Function *F = CGM.getIntrinsic(Intrinsic::write_register, Types);
     llvm::Value *ArgValue = EmitScalarExpr(E->getArg(1));
-
-    return Builder.CreateCall(F, { Metadata, ArgValue });
+    llvm::Value *Result = Builder.CreateCall(F, {Metadata, ArgValue});
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dpaoliello wrote:

Move this into an `else` block?

https://github.com/llvm/llvm-project/pull/145079