================
@@ -638,6 +643,31 @@ SDValue BPFTargetLowering::LowerDYNAMIC_STACKALLOC(SDValue
Op,
return DAG.getMergeValues(Ops, SDLoc());
}
+SDValue BPFTargetLowering::LowerADDRSPACECAST(SDValue Op,
+ SelectionDAG &DAG) const {
+ auto *ACast = dyn_cast<AddrSpaceCastSDNode>(Op);
+ const SDValue &Ptr = ACast->getOperand(0);
+ unsigned SrcAS = ACast->getSrcAddressSpace();
+ unsigned DstAS = ACast->getDestAddressSpace();
+ SDLoc DL(Op);
+
+ if (SrcAS > 0 && DstAS > 0) {
+ SmallString<64> Msg;
+ raw_svector_ostream OS(Msg);
+ OS << "Can't cast address space " << SrcAS << " to " << DstAS
+ << ": either source or destination address space has to be zero";
+ fail(DL, DAG, Msg);
----------------
inclyc wrote:
Our `fail` method is used for `DiagnosticInfoUnsupported` diagnostic, should we
create a new diagnostic kind?
https://github.com/llvm/llvm-project/pull/84410
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