include/llvm/Support/TargetParser.h

   1 //===-- TargetParser - Parser for target features ---------------*- 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 // This file implements a target parser to recognise hardware features such as
  10 // FPU/CPU/ARCH names as well as specific support such as HDIV, etc.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #ifndef LLVM_SUPPORT_TARGETPARSER_H
  15 #define LLVM_SUPPORT_TARGETPARSER_H
  16
  17 // FIXME: vector is used because that's what clang uses for subtarget feature
  18 // lists, but SmallVector would probably be better
  19 #include "llvm/ADT/Triple.h"
  20 #include "llvm/Support/ARMTargetParser.h"
  21 #include "llvm/Support/AArch64TargetParser.h"
  22 #include <vector>
  23
  24 namespace llvm {
  25 class StringRef;
  26
  27 // Target specific information in their own namespaces.
  28 // (ARM/AArch64 are declared in ARM/AArch64TargetParser.h)
  29 // These should be generated from TableGen because the information is already
  30 // there, and there is where new information about targets will be added.
  31 // FIXME: To TableGen this we need to make some table generated files available
  32 // even if the back-end is not compiled with LLVM, plus we need to create a new
  33 // back-end to TableGen to create these clean tables.
  34 namespace X86 {
  35
  36 // This should be kept in sync with libcc/compiler-rt as its included by clang
  37 // as a proxy for what's in libgcc/compiler-rt.
  38 enum ProcessorVendors : unsigned {
  39   VENDOR_DUMMY,
  40 #define X86_VENDOR(ENUM, STRING) \
  41   ENUM,
  42 #include "llvm/Support/X86TargetParser.def"
  43   VENDOR_OTHER
  44 };
  45
  46 // This should be kept in sync with libcc/compiler-rt as its included by clang
  47 // as a proxy for what's in libgcc/compiler-rt.
  48 enum ProcessorTypes : unsigned {
  49   CPU_TYPE_DUMMY,
  50 #define X86_CPU_TYPE(ARCHNAME, ENUM) \
  51   ENUM,
  52 #include "llvm/Support/X86TargetParser.def"
  53   CPU_TYPE_MAX
  54 };
  55
  56 // This should be kept in sync with libcc/compiler-rt as its included by clang
  57 // as a proxy for what's in libgcc/compiler-rt.
  58 enum ProcessorSubtypes : unsigned {
  59   CPU_SUBTYPE_DUMMY,
  60 #define X86_CPU_SUBTYPE(ARCHNAME, ENUM) \
  61   ENUM,
  62 #include "llvm/Support/X86TargetParser.def"
  63   CPU_SUBTYPE_MAX
  64 };
  65
  66 // This should be kept in sync with libcc/compiler-rt as it should be used
  67 // by clang as a proxy for what's in libgcc/compiler-rt.
  68 enum ProcessorFeatures {
  69 #define X86_FEATURE(VAL, ENUM) \
  70   ENUM = VAL,
  71 #include "llvm/Support/X86TargetParser.def"
  72
  73 };
  74
  75 } // namespace X86
  76
  77 namespace AMDGPU {
  78
  79 /// GPU kinds supported by the AMDGPU target.
  80 enum GPUKind : uint32_t {
  81   // Not specified processor.
  82   GK_NONE = 0,
  83
  84   // R600-based processors.
  85   GK_R600 = 1,
  86   GK_R630 = 2,
  87   GK_RS880 = 3,
  88   GK_RV670 = 4,
  89   GK_RV710 = 5,
  90   GK_RV730 = 6,
  91   GK_RV770 = 7,
  92   GK_CEDAR = 8,
  93   GK_CYPRESS = 9,
  94   GK_JUNIPER = 10,
  95   GK_REDWOOD = 11,
  96   GK_SUMO = 12,
  97   GK_BARTS = 13,
  98   GK_CAICOS = 14,
  99   GK_CAYMAN = 15,
 100   GK_TURKS = 16,
 101
 102   GK_R600_FIRST = GK_R600,
 103   GK_R600_LAST = GK_TURKS,
 104
 105   // AMDGCN-based processors.
 106   GK_GFX600 = 32,
 107   GK_GFX601 = 33,
 108
 109   GK_GFX700 = 40,
 110   GK_GFX701 = 41,
 111   GK_GFX702 = 42,
 112   GK_GFX703 = 43,
 113   GK_GFX704 = 44,
 114
 115   GK_GFX801 = 50,
 116   GK_GFX802 = 51,
 117   GK_GFX803 = 52,
 118   GK_GFX810 = 53,
 119
 120   GK_GFX900 = 60,
 121   GK_GFX902 = 61,
 122   GK_GFX904 = 62,
 123   GK_GFX906 = 63,
 124   GK_GFX908 = 64,
 125   GK_GFX909 = 65,
 126
 127   GK_GFX1010 = 71,
 128   GK_GFX1011 = 72,
 129   GK_GFX1012 = 73,
 130
 131   GK_AMDGCN_FIRST = GK_GFX600,
 132   GK_AMDGCN_LAST = GK_GFX1012,
 133 };
 134
 135 /// Instruction set architecture version.
 136 struct IsaVersion {
 137   unsigned Major;
 138   unsigned Minor;
 139   unsigned Stepping;
 140 };
 141
 142 // This isn't comprehensive for now, just things that are needed from the
 143 // frontend driver.
 144 enum ArchFeatureKind : uint32_t {
 145   FEATURE_NONE = 0,
 146
 147   // These features only exist for r600, and are implied true for amdgcn.
 148   FEATURE_FMA = 1 << 1,
 149   FEATURE_LDEXP = 1 << 2,
 150   FEATURE_FP64 = 1 << 3,
 151
 152   // Common features.
 153   FEATURE_FAST_FMA_F32 = 1 << 4,
 154   FEATURE_FAST_DENORMAL_F32 = 1 << 5
 155 };
 156
 157 StringRef getArchNameAMDGCN(GPUKind AK);
 158 StringRef getArchNameR600(GPUKind AK);
 159 StringRef getCanonicalArchName(StringRef Arch);
 160 GPUKind parseArchAMDGCN(StringRef CPU);
 161 GPUKind parseArchR600(StringRef CPU);
 162 unsigned getArchAttrAMDGCN(GPUKind AK);
 163 unsigned getArchAttrR600(GPUKind AK);
 164
 165 void fillValidArchListAMDGCN(SmallVectorImpl<StringRef> &Values);
 166 void fillValidArchListR600(SmallVectorImpl<StringRef> &Values);
 167
 168 IsaVersion getIsaVersion(StringRef GPU);
 169
 170 } // namespace AMDGPU
 171
 172 } // namespace llvm
 173
 174 #endif