Add addrspacecast instruction.
Patch by Michele Scandale!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194760 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 176e850..fb0e63e 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -1507,6 +1507,26 @@
return SDValue(N, 0);
}
+/// getAddrSpaceCast - Return an AddrSpaceCastSDNode.
+SDValue SelectionDAG::getAddrSpaceCast(SDLoc dl, EVT VT, SDValue Ptr,
+ unsigned SrcAS, unsigned DestAS) {
+ SDValue Ops[] = {Ptr};
+ FoldingSetNodeID ID;
+ AddNodeIDNode(ID, ISD::ADDRSPACECAST, getVTList(VT), &Ops[0], 1);
+ ID.AddInteger(SrcAS);
+ ID.AddInteger(DestAS);
+
+ void *IP = 0;
+ if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
+ return SDValue(E, 0);
+
+ SDNode *N = new (NodeAllocator) AddrSpaceCastSDNode(dl.getIROrder(),
+ dl.getDebugLoc(),
+ VT, Ptr, SrcAS, DestAS);
+ CSEMap.InsertNode(N, IP);
+ AllNodes.push_back(N);
+ return SDValue(N, 0);
+}
/// getShiftAmountOperand - Return the specified value casted to
/// the target's desired shift amount type.
@@ -5978,6 +5998,12 @@
TheGlobal = GA;
}
+AddrSpaceCastSDNode::AddrSpaceCastSDNode(unsigned Order, DebugLoc dl, EVT VT,
+ SDValue X, unsigned SrcAS,
+ unsigned DestAS)
+ : UnarySDNode(ISD::ADDRSPACECAST, Order, dl, getSDVTList(VT), X),
+ SrcAddrSpace(SrcAS), DestAddrSpace(DestAS) {}
+
MemSDNode::MemSDNode(unsigned Opc, unsigned Order, DebugLoc dl, SDVTList VTs,
EVT memvt, MachineMemOperand *mmo)
: SDNode(Opc, Order, dl, VTs), MemoryVT(memvt), MMO(mmo) {