1 //===------- AMDILSIDevice.h - Define SI Device for AMDIL -*- C++ -*------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //==-----------------------------------------------------------------------===//
9 //
10 // Interface for the subtarget data classes.
11 //
12 //===---------------------------------------------------------------------===//
13 // This file will define the interface that each generation needs to
14 // implement in order to correctly answer queries on the capabilities of the
15 // specific hardware.
16 //===---------------------------------------------------------------------===//
17 #ifndef _AMDILSIDEVICE_H_
18 #define _AMDILSIDEVICE_H_
19 #include "AMDILEvergreenDevice.h"
20 #include "AMDGPUSubtarget.h"
21 
22 namespace llvm {
23   class AMDGPUSubtarget;
24 //===---------------------------------------------------------------------===//
25 // SI generation of devices and their respective sub classes
26 //===---------------------------------------------------------------------===//
27 
28 // The AMDGPUSIDevice is the base class for all Northern Island series of
29 // cards. It is very similiar to the AMDGPUEvergreenDevice, with the major
30 // exception being differences in wavefront size and hardware capabilities.  The
31 // SI devices are all 64 wide wavefronts and also add support for signed 24 bit
32 // integer operations
33 
34   class AMDGPUSIDevice : public AMDGPUEvergreenDevice {
35     public:
36       AMDGPUSIDevice(AMDGPUSubtarget*);
37       virtual ~AMDGPUSIDevice();
38       virtual size_t getMaxLDSSize() const;
39       virtual uint32_t getGeneration() const;
40       virtual std::string getDataLayout() const;
41     protected:
42   }; // AMDGPUSIDevice
43 
44 } // namespace llvm
45 #endif // _AMDILSIDEVICE_H_
46