summaryrefslogtreecommitdiffstats
path: root/llvm/include/llvm/Support/TargetParser.h
blob: ace11ed410a38fafe24b2ceab67e31028163eed7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
//===-- TargetParser - Parser for target features ---------------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements a target parser to recognise hardware features such as
// FPU/CPU/ARCH names as well as specific support such as HDIV, etc.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_SUPPORT_TARGETPARSER_H
#define LLVM_SUPPORT_TARGETPARSER_H

// FIXME: vector is used because that's what clang uses for subtarget feature
// lists, but SmallVector would probably be better
#include "llvm/ADT/Triple.h"
#include "llvm/Support/ARMTargetParser.h"
#include "llvm/Support/AArch64TargetParser.h"
#include <vector>

namespace llvm {
class StringRef;

// Target specific information in their own namespaces.
// (ARM/AArch64 are declared in ARM/AArch64TargetParser.h)
// These should be generated from TableGen because the information is already
// there, and there is where new information about targets will be added.
// FIXME: To TableGen this we need to make some table generated files available
// even if the back-end is not compiled with LLVM, plus we need to create a new
// back-end to TableGen to create these clean tables.
namespace X86 {

// This should be kept in sync with libcc/compiler-rt as its included by clang
// as a proxy for what's in libgcc/compiler-rt.
enum ProcessorVendors : unsigned {
  VENDOR_DUMMY,
#define X86_VENDOR(ENUM, STRING) \
  ENUM,
#include "llvm/Support/X86TargetParser.def"
  VENDOR_OTHER
};

// This should be kept in sync with libcc/compiler-rt as its included by clang
// as a proxy for what's in libgcc/compiler-rt.
enum ProcessorTypes : unsigned {
  CPU_TYPE_DUMMY,
#define X86_CPU_TYPE(ARCHNAME, ENUM) \
  ENUM,
#include "llvm/Support/X86TargetParser.def"
  CPU_TYPE_MAX
};

// This should be kept in sync with libcc/compiler-rt as its included by clang
// as a proxy for what's in libgcc/compiler-rt.
enum ProcessorSubtypes : unsigned {
  CPU_SUBTYPE_DUMMY,
#define X86_CPU_SUBTYPE(ARCHNAME, ENUM) \
  ENUM,
#include "llvm/Support/X86TargetParser.def"
  CPU_SUBTYPE_MAX
};

// This should be kept in sync with libcc/compiler-rt as it should be used
// by clang as a proxy for what's in libgcc/compiler-rt.
enum ProcessorFeatures {
#define X86_FEATURE(VAL, ENUM) \
  ENUM = VAL,
#include "llvm/Support/X86TargetParser.def"

};

} // namespace X86

namespace AMDGPU {

/// GPU kinds supported by the AMDGPU target.
enum GPUKind : uint32_t {
  // Not specified processor.
  GK_NONE = 0,

  // R600-based processors.
  GK_R600 = 1,
  GK_R630 = 2,
  GK_RS880 = 3,
  GK_RV670 = 4,
  GK_RV710 = 5,
  GK_RV730 = 6,
  GK_RV770 = 7,
  GK_CEDAR = 8,
  GK_CYPRESS = 9,
  GK_JUNIPER = 10,
  GK_REDWOOD = 11,
  GK_SUMO = 12,
  GK_BARTS = 13,
  GK_CAICOS = 14,
  GK_CAYMAN = 15,
  GK_TURKS = 16,

  GK_R600_FIRST = GK_R600,
  GK_R600_LAST = GK_TURKS,

  // AMDGCN-based processors.
  GK_GFX600 = 32,
  GK_GFX601 = 33,

  GK_GFX700 = 40,
  GK_GFX701 = 41,
  GK_GFX702 = 42,
  GK_GFX703 = 43,
  GK_GFX704 = 44,

  GK_GFX801 = 50,
  GK_GFX802 = 51,
  GK_GFX803 = 52,
  GK_GFX810 = 53,

  GK_GFX900 = 60,
  GK_GFX902 = 61,
  GK_GFX904 = 62,
  GK_GFX906 = 63,
  GK_GFX909 = 65,

  GK_AMDGCN_FIRST = GK_GFX600,
  GK_AMDGCN_LAST = GK_GFX909,
};

/// Instruction set architecture version.
struct IsaVersion {
  unsigned Major;
  unsigned Minor;
  unsigned Stepping;
};

// This isn't comprehensive for now, just things that are needed from the
// frontend driver.
enum ArchFeatureKind : uint32_t {
  FEATURE_NONE = 0,

  // These features only exist for r600, and are implied true for amdgcn.
  FEATURE_FMA = 1 << 1,
  FEATURE_LDEXP = 1 << 2,
  FEATURE_FP64 = 1 << 3,

  // Common features.
  FEATURE_FAST_FMA_F32 = 1 << 4,
  FEATURE_FAST_DENORMAL_F32 = 1 << 5
};

StringRef getArchNameAMDGCN(GPUKind AK);
StringRef getArchNameR600(GPUKind AK);
StringRef getCanonicalArchName(StringRef Arch);
GPUKind parseArchAMDGCN(StringRef CPU);
GPUKind parseArchR600(StringRef CPU);
unsigned getArchAttrAMDGCN(GPUKind AK);
unsigned getArchAttrR600(GPUKind AK);

void fillValidArchListAMDGCN(SmallVectorImpl<StringRef> &Values);
void fillValidArchListR600(SmallVectorImpl<StringRef> &Values);

IsaVersion getIsaVersion(StringRef GPU);

} // namespace AMDGPU

} // namespace llvm

#endif
OpenPOWER on IntegriCloud