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| | diff --git a/lib/Target/NVPTX/NVPTXISelLowering.cpp b/lib/Target/NVPTX/NVPTXISelLowering.cpp
index f1e4251a44b..73d49f5d7e4 100644
--- a/lib/Target/NVPTX/NVPTXISelLowering.cpp
+++ b/lib/Target/NVPTX/NVPTXISelLowering.cpp
@@ -1248,6 +1248,14 @@ SDValue NVPTXTargetLowering::getSqrtEstimate(SDValue Operand, SelectionDAG &DAG,
}
}
+bool NVPTXTargetLowering::isNoopAddrSpaceCast(unsigned SrcAS,
+ unsigned DestAS) const {
+ assert(SrcAS != DestAS && "Expected different address spaces!");
+
+ return (SrcAS == ADDRESS_SPACE_GENERIC || SrcAS > ADDRESS_SPACE_LOCAL) &&
+ (DestAS == ADDRESS_SPACE_GENERIC || DestAS > ADDRESS_SPACE_LOCAL);
+}
+
SDValue
NVPTXTargetLowering::LowerGlobalAddress(SDValue Op, SelectionDAG &DAG) const {
SDLoc dl(Op);
diff --git a/lib/Target/NVPTX/NVPTXISelLowering.h b/lib/Target/NVPTX/NVPTXISelLowering.h
index ef04a8573d4..68a9a7195c4 100644
--- a/lib/Target/NVPTX/NVPTXISelLowering.h
+++ b/lib/Target/NVPTX/NVPTXISelLowering.h
@@ -443,6 +443,8 @@ public:
const NVPTXSubtarget &STI);
SDValue LowerOperation(SDValue Op, SelectionDAG &DAG) const override;
+ bool isNoopAddrSpaceCast(unsigned SrcAS, unsigned DestAS) const override;
+
SDValue LowerGlobalAddress(SDValue Op, SelectionDAG &DAG) const;
const char *getTargetNodeName(unsigned Opcode) const override;
|