1 //===-- AMDGPUInstrInfo.h - AMDGPU Instruction Information ------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 /// \file 10 /// Contains the definition of a TargetInstrInfo class that is common 11 /// to all AMD GPUs. 12 // 13 //===----------------------------------------------------------------------===// 14 15 #ifndef LLVM_LIB_TARGET_AMDGPU_AMDGPUINSTRINFO_H 16 #define LLVM_LIB_TARGET_AMDGPU_AMDGPUINSTRINFO_H 17 18 #include "Utils/AMDGPUBaseInfo.h" 19 20 namespace llvm { 21 22 class GCNSubtarget; 23 class MachineMemOperand; 24 class MachineInstr; 25 26 class AMDGPUInstrInfo { 27 public: 28 explicit AMDGPUInstrInfo(const GCNSubtarget &st); 29 30 static bool isUniformMMO(const MachineMemOperand *MMO); 31 }; 32 33 namespace AMDGPU { 34 35 /// Return the intrinsic ID for opcodes with the G_AMDGPU_INTRIN_ prefix. 36 /// 37 /// These opcodes have an Intrinsic::ID operand similar to a GIntrinsic. But 38 /// they are not actual instances of GIntrinsics, so we cannot use 39 /// GIntrinsic::getIntrinsicID() on them. 40 Intrinsic::ID getIntrinsicID(const MachineInstr &I); 41 42 struct RsrcIntrinsic { 43 unsigned Intr; 44 uint8_t RsrcArg; 45 bool IsImage; 46 }; 47 const RsrcIntrinsic *lookupRsrcIntrinsic(unsigned Intr); 48 49 struct D16ImageDimIntrinsic { 50 unsigned Intr; 51 unsigned D16HelperIntr; 52 }; 53 const D16ImageDimIntrinsic *lookupD16ImageDimIntrinsic(unsigned Intr); 54 55 struct ImageDimIntrinsicInfo { 56 unsigned Intr; 57 unsigned BaseOpcode; 58 MIMGDim Dim; 59 60 uint8_t NumOffsetArgs; 61 uint8_t NumBiasArgs; 62 uint8_t NumZCompareArgs; 63 uint8_t NumGradients; 64 uint8_t NumDmask; 65 uint8_t NumData; 66 uint8_t NumVAddrs; 67 uint8_t NumArgs; 68 69 uint8_t DMaskIndex; 70 uint8_t VAddrStart; 71 uint8_t OffsetIndex; 72 uint8_t BiasIndex; 73 uint8_t ZCompareIndex; 74 uint8_t GradientStart; 75 uint8_t CoordStart; 76 uint8_t LodIndex; 77 uint8_t MipIndex; 78 uint8_t VAddrEnd; 79 uint8_t RsrcIndex; 80 uint8_t SampIndex; 81 uint8_t UnormIndex; 82 uint8_t TexFailCtrlIndex; 83 uint8_t CachePolicyIndex; 84 85 uint8_t BiasTyArg; 86 uint8_t GradientTyArg; 87 uint8_t CoordTyArg; 88 }; 89 const ImageDimIntrinsicInfo *getImageDimIntrinsicInfo(unsigned Intr); 90 91 const ImageDimIntrinsicInfo * 92 getImageDimIntrinsicByBaseOpcode(unsigned BaseOpcode, unsigned Dim); 93 94 } // end AMDGPU namespace 95 } // End llvm namespace 96 97 #endif 98