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diff --git a/src/gallium/drivers/radeon/AMDILEvergreenDevice.h b/src/gallium/drivers/radeon/AMDILEvergreenDevice.h
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+++ b/src/gallium/drivers/radeon/AMDILEvergreenDevice.h
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+//==- AMDILEvergreenDevice.h - Define Evergreen 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.
+//
+//==-----------------------------------------------------------------------===//
+//
+// 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 _AMDILEVERGREENDEVICE_H_
+#define _AMDILEVERGREENDEVICE_H_
+#include "AMDILDevice.h"
+#include "AMDILSubtarget.h"
+
+namespace llvm {
+  class AMDILSubtarget;
+//===----------------------------------------------------------------------===//
+// Evergreen generation of devices and their respective sub classes
+//===----------------------------------------------------------------------===//
+
+
+// The AMDILEvergreenDevice is the base device class for all of the Evergreen
+// series of cards. This class contains information required to differentiate
+// the Evergreen device from the generic AMDILDevice. This device represents
+// that capabilities of the 'Juniper' cards, also known as the HD57XX.
+class AMDILEvergreenDevice : public AMDILDevice {
+public:
+  AMDILEvergreenDevice(AMDILSubtarget *ST);
+  virtual ~AMDILEvergreenDevice();
+  virtual size_t getMaxLDSSize() const;
+  virtual size_t getMaxGDSSize() const;
+  virtual size_t getWavefrontSize() const;
+  virtual uint32_t getGeneration() const;
+  virtual uint32_t getMaxNumUAVs() const;
+  virtual uint32_t getResourceID(uint32_t) const;
+  virtual FunctionPass*
+    getIOExpansion(TargetMachine& AMDIL_OPT_LEVEL_DECL) const;
+  virtual AsmPrinter*
+    getAsmPrinter(TargetMachine& TM, MCStreamer &Streamer) const;
+  virtual FunctionPass*
+    getPointerManager(TargetMachine& AMDIL_OPT_LEVEL_DECL) const;
+protected:
+  virtual void setCaps();
+}; // AMDILEvergreenDevice
+
+// The AMDILCypressDevice is similiar to the AMDILEvergreenDevice, except it has
+// support for double precision operations. This device is used to represent
+// both the Cypress and Hemlock cards, which are commercially known as HD58XX
+// and HD59XX cards.
+class AMDILCypressDevice : public AMDILEvergreenDevice {
+public:
+  AMDILCypressDevice(AMDILSubtarget *ST);
+  virtual ~AMDILCypressDevice();
+private:
+  virtual void setCaps();
+}; // AMDILCypressDevice
+
+
+// The AMDILCedarDevice is the class that represents all of the 'Cedar' based
+// devices. This class differs from the base AMDILEvergreenDevice in that the
+// device is a ~quarter of the 'Juniper'. These are commercially known as the
+// HD54XX and HD53XX series of cards.
+class AMDILCedarDevice : public AMDILEvergreenDevice {
+public:
+  AMDILCedarDevice(AMDILSubtarget *ST);
+  virtual ~AMDILCedarDevice();
+  virtual size_t getWavefrontSize() const;
+private:
+  virtual void setCaps();
+}; // AMDILCedarDevice
+
+// The AMDILRedwoodDevice is the class the represents all of the 'Redwood' based
+// devices. This class differs from the base class, in that these devices are
+// considered about half of a 'Juniper' device. These are commercially known as
+// the HD55XX and HD56XX series of cards.
+class AMDILRedwoodDevice : public AMDILEvergreenDevice {
+public:
+  AMDILRedwoodDevice(AMDILSubtarget *ST);
+  virtual ~AMDILRedwoodDevice();
+  virtual size_t getWavefrontSize() const;
+private:
+  virtual void setCaps();
+}; // AMDILRedwoodDevice
+  
+} // namespace llvm
+#endif // _AMDILEVERGREENDEVICE_H_