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diff --git a/lib/Target/R600/AMDILNIDevice.h b/lib/Target/R600/AMDILNIDevice.h
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+++ b/lib/Target/R600/AMDILNIDevice.h
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+//===------- AMDILNIDevice.h - Define NI Device for AMDIL -*- C++ -*------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//==-----------------------------------------------------------------------===//
+/// \file
+/// \brief Interface for the subtarget data classes.
+///
+/// This file will define the interface that each generation needs to
+/// implement in order to correctly answer queries on the capabilities of the
+/// specific hardware.
+//===---------------------------------------------------------------------===//
+#ifndef AMDILNIDEVICE_H
+#define AMDILNIDEVICE_H
+#include "AMDILEvergreenDevice.h"
+#include "AMDGPUSubtarget.h"
+
+namespace llvm {
+
+class AMDGPUSubtarget;
+//===---------------------------------------------------------------------===//
+// NI generation of devices and their respective sub classes
+//===---------------------------------------------------------------------===//
+
+/// \brief The AMDGPUNIDevice is the base class for all Northern Island series of
+/// cards.
+///
+/// It is very similiar to the AMDGPUEvergreenDevice, with the major
+/// exception being differences in wavefront size and hardware capabilities.  The
+/// NI devices are all 64 wide wavefronts and also add support for signed 24 bit
+/// integer operations
+class AMDGPUNIDevice : public AMDGPUEvergreenDevice {
+public:
+  AMDGPUNIDevice(AMDGPUSubtarget*);
+  virtual ~AMDGPUNIDevice();
+  virtual size_t getMaxLDSSize() const;
+  virtual uint32_t getGeneration() const;
+};
+
+/// Just as the AMDGPUCypressDevice is the double capable version of the
+/// AMDGPUEvergreenDevice, the AMDGPUCaymanDevice is the double capable version
+/// of the AMDGPUNIDevice.  The other major difference is that the Cayman Device
+/// has 4 wide ALU's, whereas the rest of the NI family is a 5 wide.
+class AMDGPUCaymanDevice: public AMDGPUNIDevice {
+public:
+  AMDGPUCaymanDevice(AMDGPUSubtarget*);
+  virtual ~AMDGPUCaymanDevice();
+private:
+  virtual void setCaps();
+};
+
+static const unsigned int MAX_LDS_SIZE_900 = AMDGPUDevice::MAX_LDS_SIZE_800;
+} // namespace llvm
+#endif // AMDILNIDEVICE_H