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
26namespace AMDGPU {
27
28bool isUniformMMO(const MachineMemOperand *MMO);
29
30/// Return the intrinsic ID for opcodes with the G_AMDGPU_INTRIN_ prefix.
31///
32/// These opcodes have an Intrinsic::ID operand similar to a GIntrinsic. But
33/// they are not actual instances of GIntrinsics, so we cannot use
34/// GIntrinsic::getIntrinsicID() on them.
35Intrinsic::ID getIntrinsicID(const MachineInstr &I);
36
37struct RsrcIntrinsic {
38 unsigned Intr;
39 uint8_t RsrcArg;
40 bool IsImage;
41};
42const RsrcIntrinsic *lookupRsrcIntrinsic(unsigned Intr);
43
44struct D16ImageDimIntrinsic {
45 unsigned Intr;
46 unsigned D16HelperIntr;
47};
48const D16ImageDimIntrinsic *lookupD16ImageDimIntrinsic(unsigned Intr);
49
50struct ImageDimIntrinsicInfo {
51 unsigned Intr;
52 unsigned BaseOpcode;
53 MIMGDim Dim;
54
55 uint8_t NumOffsetArgs;
56 uint8_t NumBiasArgs;
57 uint8_t NumZCompareArgs;
58 uint8_t NumGradients;
59 uint8_t NumDmask;
60 uint8_t NumData;
61 uint8_t NumVAddrs;
62 uint8_t NumArgs;
63
64 uint8_t DMaskIndex;
65 uint8_t VAddrStart;
66 uint8_t OffsetIndex;
67 uint8_t BiasIndex;
68 uint8_t ZCompareIndex;
69 uint8_t GradientStart;
70 uint8_t CoordStart;
71 uint8_t LodIndex;
72 uint8_t MipIndex;
73 uint8_t VAddrEnd;
74 uint8_t RsrcIndex;
75 uint8_t SampIndex;
76 uint8_t UnormIndex;
77 uint8_t TexFailCtrlIndex;
78 uint8_t CachePolicyIndex;
79
80 uint8_t BiasTyArg;
81 uint8_t GradientTyArg;
82 uint8_t CoordTyArg;
83};
84const ImageDimIntrinsicInfo *getImageDimIntrinsicInfo(unsigned Intr);
85
86const ImageDimIntrinsicInfo *
87getImageDimIntrinsicByBaseOpcode(unsigned BaseOpcode, unsigned Dim);
88
89} // end AMDGPU namespace
90} // End llvm namespace
91
92#endif
93