1 //===-- AMDGPUAsmPrinter.h - Print AMDGPU assembly code ---------*- 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 /// \file 11 /// \brief AMDGPU Assembly printer class. 12 // 13 //===----------------------------------------------------------------------===// 14 15 #ifndef LLVM_LIB_TARGET_R600_AMDGPUASMPRINTER_H 16 #define LLVM_LIB_TARGET_R600_AMDGPUASMPRINTER_H 17 18 #include "llvm/CodeGen/AsmPrinter.h" 19 #include <vector> 20 21 namespace llvm { 22 23 class AMDGPUAsmPrinter : public AsmPrinter { 24 private: 25 struct SIProgramInfo { 26 SIProgramInfo() : 27 VGPRBlocks(0), 28 SGPRBlocks(0), 29 Priority(0), 30 FloatMode(0), 31 Priv(0), 32 DX10Clamp(0), 33 DebugMode(0), 34 IEEEMode(0), 35 ScratchSize(0), 36 ComputePGMRSrc1(0), 37 LDSBlocks(0), 38 ScratchBlocks(0), 39 ComputePGMRSrc2(0), 40 NumVGPR(0), 41 NumSGPR(0), 42 FlatUsed(false), 43 VCCUsed(false), 44 CodeLen(0) {} 45 46 // Fields set in PGM_RSRC1 pm4 packet. 47 uint32_t VGPRBlocks; 48 uint32_t SGPRBlocks; 49 uint32_t Priority; 50 uint32_t FloatMode; 51 uint32_t Priv; 52 uint32_t DX10Clamp; 53 uint32_t DebugMode; 54 uint32_t IEEEMode; 55 uint32_t ScratchSize; 56 57 uint64_t ComputePGMRSrc1; 58 59 // Fields set in PGM_RSRC2 pm4 packet. 60 uint32_t LDSBlocks; 61 uint32_t ScratchBlocks; 62 63 uint64_t ComputePGMRSrc2; 64 65 uint32_t NumVGPR; 66 uint32_t NumSGPR; 67 uint32_t LDSSize; 68 bool FlatUsed; 69 70 // Bonus information for debugging. 71 bool VCCUsed; 72 uint64_t CodeLen; 73 }; 74 75 void getSIProgramInfo(SIProgramInfo &Out, const MachineFunction &MF) const; 76 void findNumUsedRegistersSI(const MachineFunction &MF, 77 unsigned &NumSGPR, 78 unsigned &NumVGPR) const; 79 80 /// \brief Emit register usage information so that the GPU driver 81 /// can correctly setup the GPU state. 82 void EmitProgramInfoR600(const MachineFunction &MF); 83 void EmitProgramInfoSI(const MachineFunction &MF, const SIProgramInfo &KernelInfo); 84 void EmitAmdKernelCodeT(const MachineFunction &MF, 85 const SIProgramInfo &KernelInfo) const; 86 87 public: 88 explicit AMDGPUAsmPrinter(TargetMachine &TM, 89 std::unique_ptr<MCStreamer> Streamer); 90 91 bool runOnMachineFunction(MachineFunction &MF) override; 92 93 const char *getPassName() const override { 94 return "AMDGPU Assembly Printer"; 95 } 96 97 /// Implemented in AMDGPUMCInstLower.cpp 98 void EmitInstruction(const MachineInstr *MI) override; 99 100 void EmitEndOfAsmFile(Module &M) override; 101 102 bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo, 103 unsigned AsmVariant, const char *ExtraCode, 104 raw_ostream &O) override; 105 106 protected: 107 std::vector<std::string> DisasmLines, HexLines; 108 size_t DisasmLineMaxLen; 109 }; 110 111 } // End anonymous llvm 112 113 #endif 114
