1 //=====-- AMDGPUSubtarget.h - Define Subtarget for the AMDIL ---*- C++ -*-====//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //==-----------------------------------------------------------------------===//
11 /// \brief AMDGPU specific subclass of TargetSubtarget.
13 //===----------------------------------------------------------------------===//
15 #ifndef AMDGPUSUBTARGET_H
16 #define AMDGPUSUBTARGET_H
18 #include "llvm/ADT/StringExtras.h"
19 #include "llvm/ADT/StringRef.h"
20 #include "llvm/Target/TargetSubtargetInfo.h"
22 #define GET_SUBTARGETINFO_HEADER
23 #include "AMDGPUGenSubtargetInfo.inc"
25 #define MAX_CB_SIZE (1 << 16)
29 class AMDGPUSubtarget : public AMDGPUGenSubtargetInfo {
41 size_t DefaultSize[3];
48 short TexVTXClauseSize;
52 bool EnableIRStructurizer;
54 unsigned WavefrontSize;
56 InstrItineraryData InstrItins;
59 AMDGPUSubtarget(StringRef TT, StringRef CPU, StringRef FS);
61 const InstrItineraryData &getInstrItineraryData() const { return InstrItins; }
62 virtual void ParseSubtargetFeatures(StringRef CPU, StringRef FS);
65 bool hasVertexCache() const;
66 short getTexVTXClauseSize() const;
67 enum Generation getGeneration() const;
68 bool hasHWFP64() const;
69 bool hasCaymanISA() const;
70 bool IsIRStructurizerEnabled() const;
71 bool isIfCvtEnabled() const;
72 unsigned getWavefrontSize() const;
73 unsigned getStackEntrySize() const;
75 virtual bool enableMachineScheduler() const {
76 return getGeneration() <= NORTHERN_ISLANDS;
79 // Helper functions to simplify if statements
80 bool isTargetELF() const;
81 std::string getDeviceName() const;
82 virtual size_t getDefaultSize(uint32_t dim) const;
83 bool dumpCode() const { return DumpCode; }
84 bool r600ALUEncoding() const { return R600ALUInst; }
88 } // End namespace llvm
90 #endif // AMDGPUSUBTARGET_H