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
20namespace llvm {
21
22class GCNSubtarget;
23class MachineMemOperand;
24class MachineInstr;
25
26class AMDGPUInstrInfo {
27public:
28 explicit AMDGPUInstrInfo(const GCNSubtarget &st);
29
30 static bool isUniformMMO(const MachineMemOperand *MMO);
31};
32
33namespace 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.
40unsigned getIntrinsicID(const MachineInstr &I);
41
42struct RsrcIntrinsic {
43 unsigned Intr;
44 uint8_t RsrcArg;
45 bool IsImage;
46};
47const RsrcIntrinsic *lookupRsrcIntrinsic(unsigned Intr);
48
49struct D16ImageDimIntrinsic {
50 unsigned Intr;
51 unsigned D16HelperIntr;
52};
53const D16ImageDimIntrinsic *lookupD16ImageDimIntrinsic(unsigned Intr);
54
55struct 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};
89const ImageDimIntrinsicInfo *getImageDimIntrinsicInfo(unsigned Intr);
90
91const ImageDimIntrinsicInfo *
92getImageDimIntrinsicByBaseOpcode(unsigned BaseOpcode, unsigned Dim);
93
94} // end AMDGPU namespace
95} // End llvm namespace
96
97#endif
98

source code of llvm/lib/Target/AMDGPU/AMDGPUInstrInfo.h