================
@@ -8001,6 +8007,22 @@ void Sema::checkCall(NamedDecl *FDecl, const
FunctionProtoType *Proto,
}
}
+ // SME functions may require SVE to be available for unwinding, as the
+ // value of VG needs to be preserved across streaming-mode changes.
+ if (CallerFD && (!FD || !FD->getBuiltinID()) &&
+ !Context.getTargetInfo().hasFeature("sve")) {
+ if (CallerFD->hasAttr<ArmLocallyStreamingAttr>())
+ Diag(Loc, diag::warn_sme_locally_streaming_no_sve);
+
+ auto CallerStreamingTy = getArmStreamingFnType(CallerFD);
----------------
efriedma-quic wrote:
Indentation?
https://github.com/llvm/llvm-project/pull/83301
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