Add R600 backend
A new backend supporting AMD GPUs: Radeon HD2XXX - HD7XXX
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169915 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/R600/AMDILEvergreenDevice.h b/lib/Target/R600/AMDILEvergreenDevice.h
new file mode 100644
index 0000000..6dc2deb
--- /dev/null
+++ b/lib/Target/R600/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.
+//
+//==-----------------------------------------------------------------------===//
+//
+/// \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 AMDILEVERGREENDEVICE_H
+#define AMDILEVERGREENDEVICE_H
+#include "AMDILDevice.h"
+#include "AMDGPUSubtarget.h"
+
+namespace llvm {
+ class AMDGPUSubtarget;
+//===----------------------------------------------------------------------===//
+// Evergreen generation of devices and their respective sub classes
+//===----------------------------------------------------------------------===//
+
+
+/// \brief The AMDGPUEvergreenDevice 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 AMDGPUDevice. This device represents
+/// that capabilities of the 'Juniper' cards, also known as the HD57XX.
+class AMDGPUEvergreenDevice : public AMDGPUDevice {
+public:
+ AMDGPUEvergreenDevice(AMDGPUSubtarget *ST);
+ virtual ~AMDGPUEvergreenDevice();
+ 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;
+protected:
+ virtual void setCaps();
+};
+
+/// The AMDGPUCypressDevice is similiar to the AMDGPUEvergreenDevice, 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 AMDGPUCypressDevice : public AMDGPUEvergreenDevice {
+public:
+ AMDGPUCypressDevice(AMDGPUSubtarget *ST);
+ virtual ~AMDGPUCypressDevice();
+private:
+ virtual void setCaps();
+};
+
+
+/// \brief The AMDGPUCedarDevice is the class that represents all of the 'Cedar' based
+/// devices.
+///
+/// This class differs from the base AMDGPUEvergreenDevice in that the
+/// device is a ~quarter of the 'Juniper'. These are commercially known as the
+/// HD54XX and HD53XX series of cards.
+class AMDGPUCedarDevice : public AMDGPUEvergreenDevice {
+public:
+ AMDGPUCedarDevice(AMDGPUSubtarget *ST);
+ virtual ~AMDGPUCedarDevice();
+ virtual size_t getWavefrontSize() const;
+private:
+ virtual void setCaps();
+};
+
+/// \brief The AMDGPURedwoodDevice 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 AMDGPURedwoodDevice : public AMDGPUEvergreenDevice {
+public:
+ AMDGPURedwoodDevice(AMDGPUSubtarget *ST);
+ virtual ~AMDGPURedwoodDevice();
+ virtual size_t getWavefrontSize() const;
+private:
+ virtual void setCaps();
+};
+
+} // namespace llvm
+#endif // AMDILEVERGREENDEVICE_H