1 //=====-- AMDGPUSubtarget.h - Define Subtarget for the 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 // This file declares the AMDGPU specific subclass of TargetSubtarget.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #ifndef _AMDGPUSUBTARGET_H_
15 #define _AMDGPUSUBTARGET_H_
16 #include "AMDILDevice.h"
17 #include "llvm/ADT/StringExtras.h"
18 #include "llvm/ADT/StringRef.h"
19 #include "llvm/Target/TargetSubtargetInfo.h"
20 
21 #define GET_SUBTARGETINFO_HEADER
22 #include "AMDGPUGenSubtargetInfo.inc"
23 
24 #define MAX_CB_SIZE (1 << 16)
25 
26 namespace llvm {
27 
28 class AMDGPUSubtarget : public AMDGPUGenSubtargetInfo
29 {
30 private:
31   bool CapsOverride[AMDGPUDeviceInfo::MaxNumberCapabilities];
32   const AMDGPUDevice *mDevice;
33   size_t mDefaultSize[3];
34   size_t mMinimumSize[3];
35   std::string mDevName;
36   bool mIs64bit;
37   bool mIs32on64bit;
38   bool mDumpCode;
39 
40   InstrItineraryData InstrItins;
41 
42 public:
43   AMDGPUSubtarget(StringRef TT, StringRef CPU, StringRef FS);
44   virtual ~AMDGPUSubtarget();
45 
getInstrItineraryData()46   const InstrItineraryData &getInstrItineraryData() const { return InstrItins; }
47   virtual void ParseSubtargetFeatures(llvm::StringRef CPU, llvm::StringRef FS);
48 
49   bool isOverride(AMDGPUDeviceInfo::Caps) const;
50   bool is64bit() const;
51 
52   // Helper functions to simplify if statements
53   bool isTargetELF() const;
54   const AMDGPUDevice* device() const;
55   std::string getDataLayout() const;
56   std::string getDeviceName() const;
57   virtual size_t getDefaultSize(uint32_t dim) const;
dumpCode()58   bool dumpCode() const { return mDumpCode; }
59 
60 };
61 
62 } // End namespace llvm
63 
64 #endif // AMDGPUSUBTARGET_H_
65