AMDGPU: Add core backend files for R600/SI codegen v6

llvm-svn: 160270

1 files changed, 59 insertions, 0 deletions

diff --git a/llvm/lib/Target/AMDGPU/AMDILNIDevice.h b/llvm/lib/Target/AMDGPU/AMDILNIDevice.h
new file mode 100644
index 00000000000..556670abba1
--- /dev/null
+++ b/llvm/lib/Target/AMDGPU/AMDILNIDevice.h
@@ -0,0 +1,59 @@
+//===------- 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.
+//
+//==-----------------------------------------------------------------------===//
+//
+// 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 "AMDILSubtarget.h"
+
+namespace llvm {
+  class AMDILSubtarget;
+//===---------------------------------------------------------------------===//
+// NI generation of devices and their respective sub classes
+//===---------------------------------------------------------------------===//
+
+// The AMDILNIDevice is the base class for all Northern Island series of
+// cards. It is very similiar to the AMDILEvergreenDevice, 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 AMDILNIDevice : public AMDILEvergreenDevice {
+    public:
+      AMDILNIDevice(AMDILSubtarget*);
+      virtual ~AMDILNIDevice();
+      virtual size_t getMaxLDSSize() const;
+      virtual uint32_t getGeneration() const;
+    protected:
+  }; // AMDILNIDevice
+
+// Just as the AMDILCypressDevice is the double capable version of the
+// AMDILEvergreenDevice, the AMDILCaymanDevice is the double capable version of
+// the AMDILNIDevice.  The other major difference that is not as useful from
+// standpoint is that the Cayman Device has 4 wide ALU's, whereas the rest of the
+// NI family is a 5 wide.
+     
+  class AMDILCaymanDevice: public AMDILNIDevice {
+    public:
+      AMDILCaymanDevice(AMDILSubtarget*);
+      virtual ~AMDILCaymanDevice();
+    private:
+      virtual void setCaps();
+  }; // AMDILCaymanDevice
+
+  static const unsigned int MAX_LDS_SIZE_900 = AMDILDevice::MAX_LDS_SIZE_800;
+} // namespace llvm
+#endif // _AMDILNIDEVICE_H_