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[CHERI] generate cap for SMUL overflow temporary #126

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[CHERI] generate cap for SMUL overflow temporary #126

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7 changes: 5 additions & 2 deletions llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -4822,7 +4822,9 @@ void DAGTypeLegalizer::ExpandIntRes_XMULO(SDNode *N,

Type *RetTy = VT.getTypeForEVT(*DAG.getContext());
EVT PtrRangeVT = TLI.getPointerRangeTy(DAG.getDataLayout());
Type *PtrTy = PtrRangeVT.getTypeForEVT(*DAG.getContext());
EVT PtrVT = TLI.getPointerTy(DAG.getDataLayout(),
DAG.getDataLayout().getProgramAddressSpace());
Type *PtrTy = PtrVT.getTypeForEVT(*DAG.getContext());

// Replace this with a libcall that will check overflow.
RTLIB::Libcall LC = RTLIB::UNKNOWN_LIBCALL;
Expand Down Expand Up @@ -4875,7 +4877,8 @@ void DAGTypeLegalizer::ExpandIntRes_XMULO(SDNode *N,

// Also pass the address of the overflow check.
Entry.Node = Temp;
Entry.Ty = PointerType::getUnqual(PtrTy->getContext());
Entry.Ty =
PointerType::get(PtrTy, DAG.getDataLayout().getProgramAddressSpace());
Entry.IsSExt = true;
Entry.IsZExt = false;
Args.push_back(Entry);
Expand Down