vendor/llvm/llvm-trunk-r351319

1 files changed, 141 insertions, 881 deletions

diff --git a/lib/Support/TargetParser.cpp b/lib/Support/TargetParser.cpp
index 2c167a4d086c..bdc0dc52c5e2 100644
--- a/lib/Support/TargetParser.cpp
+++ b/lib/Support/TargetParser.cpp
@@ -14,926 +14,186 @@
 
 #include "llvm/Support/ARMBuildAttributes.h"
 #include "llvm/Support/TargetParser.h"
+#include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/StringSwitch.h"
 #include "llvm/ADT/Twine.h"
-#include <cctype>
 
 using namespace llvm;
-using namespace ARM;
-using namespace AArch64;
+using namespace AMDGPU;
 
 namespace {
 
-// List of canonical FPU names (use getFPUSynonym) and which architectural
-// features they correspond to (use getFPUFeatures).
-// FIXME: TableGen this.
-// The entries must appear in the order listed in ARM::FPUKind for correct indexing
-static const struct {
-  const char *NameCStr;
-  size_t NameLength;
-  ARM::FPUKind ID;
-  ARM::FPUVersion FPUVersion;
-  ARM::NeonSupportLevel NeonSupport;
-  ARM::FPURestriction Restriction;
-
-  StringRef getName() const { return StringRef(NameCStr, NameLength); }
-} FPUNames[] = {
-#define ARM_FPU(NAME, KIND, VERSION, NEON_SUPPORT, RESTRICTION) \
-  { NAME, sizeof(NAME) - 1, KIND, VERSION, NEON_SUPPORT, RESTRICTION },
-#include "llvm/Support/ARMTargetParser.def"
-};
-
-// List of canonical arch names (use getArchSynonym).
-// This table also provides the build attribute fields for CPU arch
-// and Arch ID, according to the Addenda to the ARM ABI, chapters
-// 2.4 and 2.3.5.2 respectively.
-// FIXME: SubArch values were simplified to fit into the expectations
-// of the triples and are not conforming with their official names.
-// Check to see if the expectation should be changed.
-// FIXME: TableGen this.
-template <typename T> struct ArchNames {
-  const char *NameCStr;
-  size_t NameLength;
-  const char *CPUAttrCStr;
-  size_t CPUAttrLength;
-  const char *SubArchCStr;
-  size_t SubArchLength;
-  unsigned DefaultFPU;
-  unsigned ArchBaseExtensions;
-  T ID;
-  ARMBuildAttrs::CPUArch ArchAttr; // Arch ID in build attributes.
-
-  StringRef getName() const { return StringRef(NameCStr, NameLength); }
-
-  // CPU class in build attributes.
-  StringRef getCPUAttr() const { return StringRef(CPUAttrCStr, CPUAttrLength); }
-
-  // Sub-Arch name.
-  StringRef getSubArch() const { return StringRef(SubArchCStr, SubArchLength); }
+struct GPUInfo {
+  StringLiteral Name;
+  StringLiteral CanonicalName;
+  AMDGPU::GPUKind Kind;
+  unsigned Features;
 };
-ArchNames<ARM::ArchKind> ARCHNames[] = {
-#define ARM_ARCH(NAME, ID, CPU_ATTR, SUB_ARCH, ARCH_ATTR, ARCH_FPU, ARCH_BASE_EXT)       \
-  {NAME, sizeof(NAME) - 1, CPU_ATTR, sizeof(CPU_ATTR) - 1, SUB_ARCH,       \
-   sizeof(SUB_ARCH) - 1, ARCH_FPU, ARCH_BASE_EXT, ARM::ArchKind::ID, ARCH_ATTR},
-#include "llvm/Support/ARMTargetParser.def"
-};
-
-ArchNames<AArch64::ArchKind> AArch64ARCHNames[] = {
- #define AARCH64_ARCH(NAME, ID, CPU_ATTR, SUB_ARCH, ARCH_ATTR, ARCH_FPU, ARCH_BASE_EXT)       \
-   {NAME, sizeof(NAME) - 1, CPU_ATTR, sizeof(CPU_ATTR) - 1, SUB_ARCH,       \
-    sizeof(SUB_ARCH) - 1, ARCH_FPU, ARCH_BASE_EXT, AArch64::ArchKind::ID, ARCH_ATTR},
- #include "llvm/Support/AArch64TargetParser.def"
- };
-
 
-// List of Arch Extension names.
-// FIXME: TableGen this.
-static const struct {
-  const char *NameCStr;
-  size_t NameLength;
-  unsigned ID;
-  const char *Feature;
-  const char *NegFeature;
-
-  StringRef getName() const { return StringRef(NameCStr, NameLength); }
-} ARCHExtNames[] = {
-#define ARM_ARCH_EXT_NAME(NAME, ID, FEATURE, NEGFEATURE) \
-  { NAME, sizeof(NAME) - 1, ID, FEATURE, NEGFEATURE },
-#include "llvm/Support/ARMTargetParser.def"
-},AArch64ARCHExtNames[] = {
-#define AARCH64_ARCH_EXT_NAME(NAME, ID, FEATURE, NEGFEATURE) \
-  { NAME, sizeof(NAME) - 1, ID, FEATURE, NEGFEATURE },
-#include "llvm/Support/AArch64TargetParser.def"
+constexpr GPUInfo R600GPUs[26] = {
+  // Name       Canonical    Kind        Features
+  //            Name
+  {{"r600"},    {"r600"},    GK_R600,    FEATURE_NONE },
+  {{"rv630"},   {"r600"},    GK_R600,    FEATURE_NONE },
+  {{"rv635"},   {"r600"},    GK_R600,    FEATURE_NONE },
+  {{"r630"},    {"r630"},    GK_R630,    FEATURE_NONE },
+  {{"rs780"},   {"rs880"},   GK_RS880,   FEATURE_NONE },
+  {{"rs880"},   {"rs880"},   GK_RS880,   FEATURE_NONE },
+  {{"rv610"},   {"rs880"},   GK_RS880,   FEATURE_NONE },
+  {{"rv620"},   {"rs880"},   GK_RS880,   FEATURE_NONE },
+  {{"rv670"},   {"rv670"},   GK_RV670,   FEATURE_NONE },
+  {{"rv710"},   {"rv710"},   GK_RV710,   FEATURE_NONE },
+  {{"rv730"},   {"rv730"},   GK_RV730,   FEATURE_NONE },
+  {{"rv740"},   {"rv770"},   GK_RV770,   FEATURE_NONE },
+  {{"rv770"},   {"rv770"},   GK_RV770,   FEATURE_NONE },
+  {{"cedar"},   {"cedar"},   GK_CEDAR,   FEATURE_NONE },
+  {{"palm"},    {"cedar"},   GK_CEDAR,   FEATURE_NONE },
+  {{"cypress"}, {"cypress"}, GK_CYPRESS, FEATURE_FMA  },
+  {{"hemlock"}, {"cypress"}, GK_CYPRESS, FEATURE_FMA  },
+  {{"juniper"}, {"juniper"}, GK_JUNIPER, FEATURE_NONE },
+  {{"redwood"}, {"redwood"}, GK_REDWOOD, FEATURE_NONE },
+  {{"sumo"},    {"sumo"},    GK_SUMO,    FEATURE_NONE },
+  {{"sumo2"},   {"sumo"},    GK_SUMO,    FEATURE_NONE },
+  {{"barts"},   {"barts"},   GK_BARTS,   FEATURE_NONE },
+  {{"caicos"},  {"caicos"},  GK_CAICOS,  FEATURE_NONE },
+  {{"aruba"},   {"cayman"},  GK_CAYMAN,  FEATURE_FMA  },
+  {{"cayman"},  {"cayman"},  GK_CAYMAN,  FEATURE_FMA  },
+  {{"turks"},   {"turks"},   GK_TURKS,   FEATURE_NONE }
 };
 
-// List of HWDiv names (use getHWDivSynonym) and which architectural
-// features they correspond to (use getHWDivFeatures).
-// FIXME: TableGen this.
-static const struct {
-  const char *NameCStr;
-  size_t NameLength;
-  unsigned ID;
-
-  StringRef getName() const { return StringRef(NameCStr, NameLength); }
-} HWDivNames[] = {
-#define ARM_HW_DIV_NAME(NAME, ID) { NAME, sizeof(NAME) - 1, ID },
-#include "llvm/Support/ARMTargetParser.def"
+// This table should be sorted by the value of GPUKind
+// Don't bother listing the implicitly true features
+constexpr GPUInfo AMDGCNGPUs[33] = {
+  // Name         Canonical    Kind        Features
+  //              Name
+  {{"gfx600"},    {"gfx600"},  GK_GFX600,  FEATURE_FAST_FMA_F32},
+  {{"tahiti"},    {"gfx600"},  GK_GFX600,  FEATURE_FAST_FMA_F32},
+  {{"gfx601"},    {"gfx601"},  GK_GFX601,  FEATURE_NONE},
+  {{"hainan"},    {"gfx601"},  GK_GFX601,  FEATURE_NONE},
+  {{"oland"},     {"gfx601"},  GK_GFX601,  FEATURE_NONE},
+  {{"pitcairn"},  {"gfx601"},  GK_GFX601,  FEATURE_NONE},
+  {{"verde"},     {"gfx601"},  GK_GFX601,  FEATURE_NONE},
+  {{"gfx700"},    {"gfx700"},  GK_GFX700,  FEATURE_NONE},
+  {{"kaveri"},    {"gfx700"},  GK_GFX700,  FEATURE_NONE},
+  {{"gfx701"},    {"gfx701"},  GK_GFX701,  FEATURE_FAST_FMA_F32},
+  {{"hawaii"},    {"gfx701"},  GK_GFX701,  FEATURE_FAST_FMA_F32},
+  {{"gfx702"},    {"gfx702"},  GK_GFX702,  FEATURE_FAST_FMA_F32},
+  {{"gfx703"},    {"gfx703"},  GK_GFX703,  FEATURE_NONE},
+  {{"kabini"},    {"gfx703"},  GK_GFX703,  FEATURE_NONE},
+  {{"mullins"},   {"gfx703"},  GK_GFX703,  FEATURE_NONE},
+  {{"gfx704"},    {"gfx704"},  GK_GFX704,  FEATURE_NONE},
+  {{"bonaire"},   {"gfx704"},  GK_GFX704,  FEATURE_NONE},
+  {{"gfx801"},    {"gfx801"},  GK_GFX801,  FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32},
+  {{"carrizo"},   {"gfx801"},  GK_GFX801,  FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32},
+  {{"gfx802"},    {"gfx802"},  GK_GFX802,  FEATURE_FAST_DENORMAL_F32},
+  {{"iceland"},   {"gfx802"},  GK_GFX802,  FEATURE_FAST_DENORMAL_F32},
+  {{"tonga"},     {"gfx802"},  GK_GFX802,  FEATURE_FAST_DENORMAL_F32},
+  {{"gfx803"},    {"gfx803"},  GK_GFX803,  FEATURE_FAST_DENORMAL_F32},
+  {{"fiji"},      {"gfx803"},  GK_GFX803,  FEATURE_FAST_DENORMAL_F32},
+  {{"polaris10"}, {"gfx803"},  GK_GFX803,  FEATURE_FAST_DENORMAL_F32},
+  {{"polaris11"}, {"gfx803"},  GK_GFX803,  FEATURE_FAST_DENORMAL_F32},
+  {{"gfx810"},    {"gfx810"},  GK_GFX810,  FEATURE_FAST_DENORMAL_F32},
+  {{"stoney"},    {"gfx810"},  GK_GFX810,  FEATURE_FAST_DENORMAL_F32},
+  {{"gfx900"},    {"gfx900"},  GK_GFX900,  FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32},
+  {{"gfx902"},    {"gfx902"},  GK_GFX902,  FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32},
+  {{"gfx904"},    {"gfx904"},  GK_GFX904,  FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32},
+  {{"gfx906"},    {"gfx906"},  GK_GFX906,  FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32},
+  {{"gfx909"},    {"gfx909"},  GK_GFX909,  FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32},
 };
 
-// List of CPU names and their arches.
-// The same CPU can have multiple arches and can be default on multiple arches.
-// When finding the Arch for a CPU, first-found prevails. Sort them accordingly.
-// When this becomes table-generated, we'd probably need two tables.
-// FIXME: TableGen this.
-template <typename T> struct CpuNames {
-  const char *NameCStr;
-  size_t NameLength;
-  T ArchID;
-  bool Default; // is $Name the default CPU for $ArchID ?
-  unsigned DefaultExtensions;
-
-  StringRef getName() const { return StringRef(NameCStr, NameLength); }
-};
-CpuNames<ARM::ArchKind> CPUNames[] = {
-#define ARM_CPU_NAME(NAME, ID, DEFAULT_FPU, IS_DEFAULT, DEFAULT_EXT) \
-  { NAME, sizeof(NAME) - 1, ARM::ArchKind::ID, IS_DEFAULT, DEFAULT_EXT },
-#include "llvm/Support/ARMTargetParser.def"
-};
-
-CpuNames<AArch64::ArchKind> AArch64CPUNames[] = {
- #define AARCH64_CPU_NAME(NAME, ID, DEFAULT_FPU, IS_DEFAULT, DEFAULT_EXT) \
-   { NAME, sizeof(NAME) - 1, AArch64::ArchKind::ID, IS_DEFAULT, DEFAULT_EXT },
- #include "llvm/Support/AArch64TargetParser.def"
- };
-
-} // namespace
-
-// ======================================================= //
-// Information by ID
-// ======================================================= //
-
-StringRef ARM::getFPUName(unsigned FPUKind) {
-  if (FPUKind >= ARM::FK_LAST)
-    return StringRef();
-  return FPUNames[FPUKind].getName();
-}
-
-FPUVersion ARM::getFPUVersion(unsigned FPUKind) {
-  if (FPUKind >= ARM::FK_LAST)
-    return FPUVersion::NONE;
-  return FPUNames[FPUKind].FPUVersion;
-}
-
-ARM::NeonSupportLevel ARM::getFPUNeonSupportLevel(unsigned FPUKind) {
-  if (FPUKind >= ARM::FK_LAST)
-    return ARM::NeonSupportLevel::None;
-  return FPUNames[FPUKind].NeonSupport;
-}
-
-ARM::FPURestriction ARM::getFPURestriction(unsigned FPUKind) {
-  if (FPUKind >= ARM::FK_LAST)
-    return ARM::FPURestriction::None;
-  return FPUNames[FPUKind].Restriction;
-}
-
-unsigned llvm::ARM::getDefaultFPU(StringRef CPU, ArchKind AK) {
-  if (CPU == "generic")
-    return ARCHNames[static_cast<unsigned>(AK)].DefaultFPU;
-
-  return StringSwitch<unsigned>(CPU)
-#define ARM_CPU_NAME(NAME, ID, DEFAULT_FPU, IS_DEFAULT, DEFAULT_EXT) \
-    .Case(NAME, DEFAULT_FPU)
-#include "llvm/Support/ARMTargetParser.def"
-    .Default(ARM::FK_INVALID);
-}
-
-unsigned llvm::ARM::getDefaultExtensions(StringRef CPU, ArchKind AK) {
-  if (CPU == "generic")
-    return ARCHNames[static_cast<unsigned>(AK)].ArchBaseExtensions;
-
-  return StringSwitch<unsigned>(CPU)
-#define ARM_CPU_NAME(NAME, ID, DEFAULT_FPU, IS_DEFAULT, DEFAULT_EXT) \
-    .Case(NAME, ARCHNames[static_cast<unsigned>(ARM::ArchKind::ID)]\
-            .ArchBaseExtensions | DEFAULT_EXT)
-#include "llvm/Support/ARMTargetParser.def"
-    .Default(ARM::AEK_INVALID);
-}
-
-bool llvm::ARM::getHWDivFeatures(unsigned HWDivKind,
-                                 std::vector<StringRef> &Features) {
-
-  if (HWDivKind == ARM::AEK_INVALID)
-    return false;
-
-  if (HWDivKind & ARM::AEK_HWDIVARM)
-    Features.push_back("+hwdiv-arm");
-  else
-    Features.push_back("-hwdiv-arm");
-
-  if (HWDivKind & ARM::AEK_HWDIVTHUMB)
-    Features.push_back("+hwdiv");
-  else
-    Features.push_back("-hwdiv");
-
-  return true;
-}
-
-bool llvm::ARM::getExtensionFeatures(unsigned Extensions,
-                                     std::vector<StringRef> &Features) {
-
-  if (Extensions == ARM::AEK_INVALID)
-    return false;
-
-  if (Extensions & ARM::AEK_CRC)
-    Features.push_back("+crc");
-  else
-    Features.push_back("-crc");
-
-  if (Extensions & ARM::AEK_DSP)
-    Features.push_back("+dsp");
-  else
-    Features.push_back("-dsp");
-
-  if (Extensions & ARM::AEK_RAS)
-    Features.push_back("+ras");
-  else
-    Features.push_back("-ras");
-
-  if (Extensions & ARM::AEK_DOTPROD)
-    Features.push_back("+dotprod");
-  else
-    Features.push_back("-dotprod");
-
-  return getHWDivFeatures(Extensions, Features);
-}
-
-bool llvm::ARM::getFPUFeatures(unsigned FPUKind,
-                               std::vector<StringRef> &Features) {
-
-  if (FPUKind >= ARM::FK_LAST || FPUKind == ARM::FK_INVALID)
-    return false;
-
-  // fp-only-sp and d16 subtarget features are independent of each other, so we
-  // must enable/disable both.
-  switch (FPUNames[FPUKind].Restriction) {
-  case ARM::FPURestriction::SP_D16:
-    Features.push_back("+fp-only-sp");
-    Features.push_back("+d16");
-    break;
-  case ARM::FPURestriction::D16:
-    Features.push_back("-fp-only-sp");
-    Features.push_back("+d16");
-    break;
-  case ARM::FPURestriction::None:
-    Features.push_back("-fp-only-sp");
-    Features.push_back("-d16");
-    break;
-  }
-
-  // FPU version subtarget features are inclusive of lower-numbered ones, so
-  // enable the one corresponding to this version and disable all that are
-  // higher. We also have to make sure to disable fp16 when vfp4 is disabled,
-  // as +vfp4 implies +fp16 but -vfp4 does not imply -fp16.
-  switch (FPUNames[FPUKind].FPUVersion) {
-  case ARM::FPUVersion::VFPV5:
-    Features.push_back("+fp-armv8");
-    break;
-  case ARM::FPUVersion::VFPV4:
-    Features.push_back("+vfp4");
-    Features.push_back("-fp-armv8");
-    break;
-  case ARM::FPUVersion::VFPV3_FP16:
-    Features.push_back("+vfp3");
-    Features.push_back("+fp16");
-    Features.push_back("-vfp4");
-    Features.push_back("-fp-armv8");
-    break;
-  case ARM::FPUVersion::VFPV3:
-    Features.push_back("+vfp3");
-    Features.push_back("-fp16");
-    Features.push_back("-vfp4");
-    Features.push_back("-fp-armv8");
-    break;
-  case ARM::FPUVersion::VFPV2:
-    Features.push_back("+vfp2");
-    Features.push_back("-vfp3");
-    Features.push_back("-fp16");
-    Features.push_back("-vfp4");
-    Features.push_back("-fp-armv8");
-    break;
-  case ARM::FPUVersion::NONE:
-    Features.push_back("-vfp2");
-    Features.push_back("-vfp3");
-    Features.push_back("-fp16");
-    Features.push_back("-vfp4");
-    Features.push_back("-fp-armv8");
-    break;
-  }
-
-  // crypto includes neon, so we handle this similarly to FPU version.
-  switch (FPUNames[FPUKind].NeonSupport) {
-  case ARM::NeonSupportLevel::Crypto:
-    Features.push_back("+neon");
-    Features.push_back("+crypto");
-    break;
-  case ARM::NeonSupportLevel::Neon:
-    Features.push_back("+neon");
-    Features.push_back("-crypto");
-    break;
-  case ARM::NeonSupportLevel::None:
-    Features.push_back("-neon");
-    Features.push_back("-crypto");
-    break;
-  }
+const GPUInfo *getArchEntry(AMDGPU::GPUKind AK, ArrayRef<GPUInfo> Table) {
+  GPUInfo Search = { {""}, {""}, AK, AMDGPU::FEATURE_NONE };
 
-  return true;
-}
-
-StringRef llvm::ARM::getArchName(ArchKind AK) {
-  return ARCHNames[static_cast<unsigned>(AK)].getName();
-}
+  auto I = std::lower_bound(Table.begin(), Table.end(), Search,
+    [](const GPUInfo &A, const GPUInfo &B) {
+      return A.Kind < B.Kind;
+    });
 
-StringRef llvm::ARM::getCPUAttr(ArchKind AK) {
-  return ARCHNames[static_cast<unsigned>(AK)].getCPUAttr();
+  if (I == Table.end())
+    return nullptr;
+  return I;
 }
 
-StringRef llvm::ARM::getSubArch(ArchKind AK) {
-  return ARCHNames[static_cast<unsigned>(AK)].getSubArch();
-}
-
-unsigned llvm::ARM::getArchAttr(ArchKind AK) {
-  return ARCHNames[static_cast<unsigned>(AK)].ArchAttr;
-}
-
-StringRef llvm::ARM::getArchExtName(unsigned ArchExtKind) {
-  for (const auto AE : ARCHExtNames) {
-    if (ArchExtKind == AE.ID)
-      return AE.getName();
-  }
-  return StringRef();
-}
-
-StringRef llvm::ARM::getArchExtFeature(StringRef ArchExt) {
-  if (ArchExt.startswith("no")) {
-    StringRef ArchExtBase(ArchExt.substr(2));
-    for (const auto AE : ARCHExtNames) {
-      if (AE.NegFeature && ArchExtBase == AE.getName())
-        return StringRef(AE.NegFeature);
-    }
-  }
-  for (const auto AE : ARCHExtNames) {
-    if (AE.Feature && ArchExt == AE.getName())
-      return StringRef(AE.Feature);
-  }
-
-  return StringRef();
-}
-
-StringRef llvm::ARM::getHWDivName(unsigned HWDivKind) {
-  for (const auto D : HWDivNames) {
-    if (HWDivKind == D.ID)
-      return D.getName();
-  }
-  return StringRef();
-}
-
-StringRef llvm::ARM::getDefaultCPU(StringRef Arch) {
-  ArchKind AK = parseArch(Arch);
-  if (AK == ARM::ArchKind::INVALID)
-    return StringRef();
-
-  // Look for multiple AKs to find the default for pair AK+Name.
-  for (const auto CPU : CPUNames) {
-    if (CPU.ArchID == AK && CPU.Default)
-      return CPU.getName();
-  }
-
-  // If we can't find a default then target the architecture instead
-  return "generic";
-}
-
-StringRef llvm::AArch64::getFPUName(unsigned FPUKind) {
-  return ARM::getFPUName(FPUKind);
-}
-
-ARM::FPUVersion AArch64::getFPUVersion(unsigned FPUKind) {
-  return ARM::getFPUVersion(FPUKind);
-}
-
-ARM::NeonSupportLevel AArch64::getFPUNeonSupportLevel(unsigned FPUKind) {
-  return ARM::getFPUNeonSupportLevel( FPUKind);
-}
-
-ARM::FPURestriction AArch64::getFPURestriction(unsigned FPUKind) {
-  return ARM::getFPURestriction(FPUKind);
-}
-
-unsigned llvm::AArch64::getDefaultFPU(StringRef CPU, ArchKind AK) {
-  if (CPU == "generic")
-    return AArch64ARCHNames[static_cast<unsigned>(AK)].DefaultFPU;
-
-  return StringSwitch<unsigned>(CPU)
-#define AARCH64_CPU_NAME(NAME, ID, DEFAULT_FPU, IS_DEFAULT, DEFAULT_EXT) \
-    .Case(NAME, DEFAULT_FPU)
-#include "llvm/Support/AArch64TargetParser.def"
-    .Default(ARM::FK_INVALID);
-}
-
-unsigned llvm::AArch64::getDefaultExtensions(StringRef CPU, ArchKind AK) {
-  if (CPU == "generic")
-    return AArch64ARCHNames[static_cast<unsigned>(AK)].ArchBaseExtensions;
-
-  return StringSwitch<unsigned>(CPU)
-#define AARCH64_CPU_NAME(NAME, ID, DEFAULT_FPU, IS_DEFAULT, DEFAULT_EXT)       \
-  .Case(NAME,                                                                  \
-        AArch64ARCHNames[static_cast<unsigned>(AArch64::ArchKind::ID)] \
-            .ArchBaseExtensions | \
-            DEFAULT_EXT)
-#include "llvm/Support/AArch64TargetParser.def"
-    .Default(AArch64::AEK_INVALID);
-}
-
-AArch64::ArchKind llvm::AArch64::getCPUArchKind(StringRef CPU) {
-  if (CPU == "generic")
-    return AArch64::ArchKind::ARMV8A;
-
-  return StringSwitch<AArch64::ArchKind>(CPU)
-#define AARCH64_CPU_NAME(NAME, ID, DEFAULT_FPU, IS_DEFAULT, DEFAULT_EXT) \
-  .Case(NAME, AArch64::ArchKind:: ID)
-#include "llvm/Support/AArch64TargetParser.def"
-    .Default(AArch64::ArchKind::INVALID);
-}
-
-bool llvm::AArch64::getExtensionFeatures(unsigned Extensions,
-                                     std::vector<StringRef> &Features) {
-
-  if (Extensions == AArch64::AEK_INVALID)
-    return false;
-
-  if (Extensions & AArch64::AEK_FP)
-    Features.push_back("+fp-armv8");
-  if (Extensions & AArch64::AEK_SIMD)
-    Features.push_back("+neon");
-  if (Extensions & AArch64::AEK_CRC)
-    Features.push_back("+crc");
-  if (Extensions & AArch64::AEK_CRYPTO)
-    Features.push_back("+crypto");
-  if (Extensions & AArch64::AEK_DOTPROD)
-    Features.push_back("+dotprod");
-  if (Extensions & AArch64::AEK_FP16)
-    Features.push_back("+fullfp16");
-  if (Extensions & AArch64::AEK_PROFILE)
-    Features.push_back("+spe");
-  if (Extensions & AArch64::AEK_RAS)
-    Features.push_back("+ras");
-  if (Extensions & AArch64::AEK_LSE)
-    Features.push_back("+lse");
-  if (Extensions & AArch64::AEK_RDM)
-    Features.push_back("+rdm");
-  if (Extensions & AArch64::AEK_SVE)
-    Features.push_back("+sve");
-  if (Extensions & AArch64::AEK_RCPC)
-    Features.push_back("+rcpc");
-
-  return true;
-}
-
-bool llvm::AArch64::getFPUFeatures(unsigned FPUKind,
-                               std::vector<StringRef> &Features) {
-  return ARM::getFPUFeatures(FPUKind, Features);
-}
-
-bool llvm::AArch64::getArchFeatures(AArch64::ArchKind AK,
-                                    std::vector<StringRef> &Features) {
-  if (AK == AArch64::ArchKind::ARMV8_1A)
-    Features.push_back("+v8.1a");
-  if (AK == AArch64::ArchKind::ARMV8_2A)
-    Features.push_back("+v8.2a");
-  if (AK == AArch64::ArchKind::ARMV8_3A)
-    Features.push_back("+v8.3a");
-  if (AK == AArch64::ArchKind::ARMV8_4A)
-    Features.push_back("+v8.4a");
-
-  return AK != AArch64::ArchKind::INVALID;
-}
-
-StringRef llvm::AArch64::getArchName(ArchKind AK) {
-  return AArch64ARCHNames[static_cast<unsigned>(AK)].getName();
-}
-
-StringRef llvm::AArch64::getCPUAttr(ArchKind AK) {
-  return AArch64ARCHNames[static_cast<unsigned>(AK)].getCPUAttr();
-}
-
-StringRef llvm::AArch64::getSubArch(ArchKind AK) {
-  return AArch64ARCHNames[static_cast<unsigned>(AK)].getSubArch();
-}
-
-unsigned llvm::AArch64::getArchAttr(ArchKind AK) {
-  return AArch64ARCHNames[static_cast<unsigned>(AK)].ArchAttr;
-}
-
-StringRef llvm::AArch64::getArchExtName(unsigned ArchExtKind) {
-  for (const auto &AE : AArch64ARCHExtNames)
-    if (ArchExtKind == AE.ID)
-      return AE.getName();
-  return StringRef();
-}
-
-StringRef llvm::AArch64::getArchExtFeature(StringRef ArchExt) {
-  if (ArchExt.startswith("no")) {
-    StringRef ArchExtBase(ArchExt.substr(2));
-    for (const auto &AE : AArch64ARCHExtNames) {
-      if (AE.NegFeature && ArchExtBase == AE.getName())
-        return StringRef(AE.NegFeature);
-    }
-  }
-
-  for (const auto &AE : AArch64ARCHExtNames)
-    if (AE.Feature && ArchExt == AE.getName())
-      return StringRef(AE.Feature);
-  return StringRef();
-}
-
-StringRef llvm::AArch64::getDefaultCPU(StringRef Arch) {
-  AArch64::ArchKind AK = parseArch(Arch);
-  if (AK == ArchKind::INVALID)
-    return StringRef();
-
-  // Look for multiple AKs to find the default for pair AK+Name.
-  for (const auto &CPU : AArch64CPUNames)
-    if (CPU.ArchID == AK && CPU.Default)
-      return CPU.getName();
-
-  // If we can't find a default then target the architecture instead
-  return "generic";
-}
-
-unsigned llvm::AArch64::checkArchVersion(StringRef Arch) {
-  if (Arch.size() >= 2 && Arch[0] == 'v' && std::isdigit(Arch[1]))
-    return (Arch[1] - 48);
-  return 0;
-}
-
-// ======================================================= //
-// Parsers
-// ======================================================= //
-
-static StringRef getHWDivSynonym(StringRef HWDiv) {
-  return StringSwitch<StringRef>(HWDiv)
-      .Case("thumb,arm", "arm,thumb")
-      .Default(HWDiv);
-}
-
-static StringRef getFPUSynonym(StringRef FPU) {
-  return StringSwitch<StringRef>(FPU)
-      .Cases("fpa", "fpe2", "fpe3", "maverick", "invalid") // Unsupported
-      .Case("vfp2", "vfpv2")
-      .Case("vfp3", "vfpv3")
-      .Case("vfp4", "vfpv4")
-      .Case("vfp3-d16", "vfpv3-d16")
-      .Case("vfp4-d16", "vfpv4-d16")
-      .Cases("fp4-sp-d16", "vfpv4-sp-d16", "fpv4-sp-d16")
-      .Cases("fp4-dp-d16", "fpv4-dp-d16", "vfpv4-d16")
-      .Case("fp5-sp-d16", "fpv5-sp-d16")
-      .Cases("fp5-dp-d16", "fpv5-dp-d16", "fpv5-d16")
-      // FIXME: Clang uses it, but it's bogus, since neon defaults to vfpv3.
-      .Case("neon-vfpv3", "neon")
-      .Default(FPU);
-}
-
-static StringRef getArchSynonym(StringRef Arch) {
-  return StringSwitch<StringRef>(Arch)
-      .Case("v5", "v5t")
-      .Case("v5e", "v5te")
-      .Case("v6j", "v6")
-      .Case("v6hl", "v6k")
-      .Cases("v6m", "v6sm", "v6s-m", "v6-m")
-      .Cases("v6z", "v6zk", "v6kz")
-      .Cases("v7", "v7a", "v7hl", "v7l", "v7-a")
-      .Case("v7r", "v7-r")
-      .Case("v7m", "v7-m")
-      .Case("v7em", "v7e-m")
-      .Cases("v8", "v8a", "v8l", "aarch64", "arm64", "v8-a")
-      .Case("v8.1a", "v8.1-a")
-      .Case("v8.2a", "v8.2-a")
-      .Case("v8.3a", "v8.3-a")
-      .Case("v8.4a", "v8.4-a")
-      .Case("v8r", "v8-r")
-      .Case("v8m.base", "v8-m.base")
-      .Case("v8m.main", "v8-m.main")
-      .Default(Arch);
-}
-
-// MArch is expected to be of the form (arm|thumb)?(eb)?(v.+)?(eb)?, but
-// (iwmmxt|xscale)(eb)? is also permitted. If the former, return
-// "v.+", if the latter, return unmodified string, minus 'eb'.
-// If invalid, return empty string.
-StringRef llvm::ARM::getCanonicalArchName(StringRef Arch) {
-  size_t offset = StringRef::npos;
-  StringRef A = Arch;
-  StringRef Error = "";
-
-  // Begins with "arm" / "thumb", move past it.
-  if (A.startswith("arm64"))
-    offset = 5;
-  else if (A.startswith("arm"))
-    offset = 3;
-  else if (A.startswith("thumb"))
-    offset = 5;
-  else if (A.startswith("aarch64")) {
-    offset = 7;
-    // AArch64 uses "_be", not "eb" suffix.
-    if (A.find("eb") != StringRef::npos)
-      return Error;
-    if (A.substr(offset, 3) == "_be")
-      offset += 3;
-  }
-
-  // Ex. "armebv7", move past the "eb".
-  if (offset != StringRef::npos && A.substr(offset, 2) == "eb")
-    offset += 2;
-  // Or, if it ends with eb ("armv7eb"), chop it off.
-  else if (A.endswith("eb"))
-    A = A.substr(0, A.size() - 2);
-  // Trim the head
-  if (offset != StringRef::npos)
-    A = A.substr(offset);
-
-  // Empty string means offset reached the end, which means it's valid.
-  if (A.empty())
-    return Arch;
-
-  // Only match non-marketing names
-  if (offset != StringRef::npos) {
-    // Must start with 'vN'.
-    if (A.size() >= 2 && (A[0] != 'v' || !std::isdigit(A[1])))
-      return Error;
-    // Can't have an extra 'eb'.
-    if (A.find("eb") != StringRef::npos)
-      return Error;
-  }
-
-  // Arch will either be a 'v' name (v7a) or a marketing name (xscale).
-  return A;
-}
-
-unsigned llvm::ARM::parseHWDiv(StringRef HWDiv) {
-  StringRef Syn = getHWDivSynonym(HWDiv);
-  for (const auto D : HWDivNames) {
-    if (Syn == D.getName())
-      return D.ID;
-  }
-  return ARM::AEK_INVALID;
-}
-
-unsigned llvm::ARM::parseFPU(StringRef FPU) {
-  StringRef Syn = getFPUSynonym(FPU);
-  for (const auto F : FPUNames) {
-    if (Syn == F.getName())
-      return F.ID;
-  }
-  return ARM::FK_INVALID;
-}
-
-// Allows partial match, ex. "v7a" matches "armv7a".
-ARM::ArchKind ARM::parseArch(StringRef Arch) {
-  Arch = getCanonicalArchName(Arch);
-  StringRef Syn = getArchSynonym(Arch);
-  for (const auto A : ARCHNames) {
-    if (A.getName().endswith(Syn))
-      return A.ID;
-  }
-  return ARM::ArchKind::INVALID;
-}
+} // namespace
 
-unsigned llvm::ARM::parseArchExt(StringRef ArchExt) {
-  for (const auto A : ARCHExtNames) {
-    if (ArchExt == A.getName())
-      return A.ID;
-  }
-  return ARM::AEK_INVALID;
+StringRef llvm::AMDGPU::getArchNameAMDGCN(GPUKind AK) {
+  if (const auto *Entry = getArchEntry(AK, AMDGCNGPUs))
+    return Entry->CanonicalName;
+  return "";
 }
 
-ARM::ArchKind llvm::ARM::parseCPUArch(StringRef CPU) {
-  for (const auto C : CPUNames) {
-    if (CPU == C.getName())
-      return C.ArchID;
-  }
-  return ARM::ArchKind::INVALID;
+StringRef llvm::AMDGPU::getArchNameR600(GPUKind AK) {
+  if (const auto *Entry = getArchEntry(AK, R600GPUs))
+    return Entry->CanonicalName;
+  return "";
 }
 
-void llvm::ARM::fillValidCPUArchList(SmallVectorImpl<StringRef> &Values) {
-  for (const CpuNames<ARM::ArchKind> &Arch : CPUNames) {
-    if (Arch.ArchID != ARM::ArchKind::INVALID)
-      Values.push_back(Arch.getName());
+AMDGPU::GPUKind llvm::AMDGPU::parseArchAMDGCN(StringRef CPU) {
+  for (const auto C : AMDGCNGPUs) {
+    if (CPU == C.Name)
+      return C.Kind;
   }
-}
 
-void llvm::AArch64::fillValidCPUArchList(SmallVectorImpl<StringRef> &Values) {
-  for (const CpuNames<AArch64::ArchKind> &Arch : AArch64CPUNames) {
-    if (Arch.ArchID != AArch64::ArchKind::INVALID)
-      Values.push_back(Arch.getName());
-  }
-}
-
-// ARM, Thumb, AArch64
-ARM::ISAKind ARM::parseArchISA(StringRef Arch) {
-  return StringSwitch<ARM::ISAKind>(Arch)
-      .StartsWith("aarch64", ARM::ISAKind::AARCH64)
-      .StartsWith("arm64", ARM::ISAKind::AARCH64)
-      .StartsWith("thumb", ARM::ISAKind::THUMB)
-      .StartsWith("arm", ARM::ISAKind::ARM)
-      .Default(ARM::ISAKind::INVALID);
+  return AMDGPU::GPUKind::GK_NONE;
 }
 
-// Little/Big endian
-ARM::EndianKind ARM::parseArchEndian(StringRef Arch) {
-  if (Arch.startswith("armeb") || Arch.startswith("thumbeb") ||
-      Arch.startswith("aarch64_be"))
-    return ARM::EndianKind::BIG;
-
-  if (Arch.startswith("arm") || Arch.startswith("thumb")) {
-    if (Arch.endswith("eb"))
-      return ARM::EndianKind::BIG;
-    else
-      return ARM::EndianKind::LITTLE;
+AMDGPU::GPUKind llvm::AMDGPU::parseArchR600(StringRef CPU) {
+  for (const auto C : R600GPUs) {
+    if (CPU == C.Name)
+      return C.Kind;
   }
 
-  if (Arch.startswith("aarch64"))
-    return ARM::EndianKind::LITTLE;
-
-  return ARM::EndianKind::INVALID;
+  return AMDGPU::GPUKind::GK_NONE;
 }
 
-// Profile A/R/M
-ARM::ProfileKind ARM::parseArchProfile(StringRef Arch) {
-  Arch = getCanonicalArchName(Arch);
-  switch (parseArch(Arch)) {
-  case ARM::ArchKind::ARMV6M:
-  case ARM::ArchKind::ARMV7M:
-  case ARM::ArchKind::ARMV7EM:
-  case ARM::ArchKind::ARMV8MMainline:
-  case ARM::ArchKind::ARMV8MBaseline:
-    return ARM::ProfileKind::M;
-  case ARM::ArchKind::ARMV7R:
-  case ARM::ArchKind::ARMV8R:
-    return ARM::ProfileKind::R;
-  case ARM::ArchKind::ARMV7A:
-  case ARM::ArchKind::ARMV7VE:
-  case ARM::ArchKind::ARMV7K:
-  case ARM::ArchKind::ARMV8A:
-  case ARM::ArchKind::ARMV8_1A:
-  case ARM::ArchKind::ARMV8_2A:
-  case ARM::ArchKind::ARMV8_3A:
-  case ARM::ArchKind::ARMV8_4A:
-    return ARM::ProfileKind::A;
-  case ARM::ArchKind::ARMV2:
-  case ARM::ArchKind::ARMV2A:
-  case ARM::ArchKind::ARMV3:
-  case ARM::ArchKind::ARMV3M:
-  case ARM::ArchKind::ARMV4:
-  case ARM::ArchKind::ARMV4T:
-  case ARM::ArchKind::ARMV5T:
-  case ARM::ArchKind::ARMV5TE:
-  case ARM::ArchKind::ARMV5TEJ:
-  case ARM::ArchKind::ARMV6:
-  case ARM::ArchKind::ARMV6K:
-  case ARM::ArchKind::ARMV6T2:
-  case ARM::ArchKind::ARMV6KZ:
-  case ARM::ArchKind::ARMV7S:
-  case ARM::ArchKind::IWMMXT:
-  case ARM::ArchKind::IWMMXT2:
-  case ARM::ArchKind::XSCALE:
-  case ARM::ArchKind::INVALID:
-    return ARM::ProfileKind::INVALID;
-  }
-  llvm_unreachable("Unhandled architecture");
+unsigned AMDGPU::getArchAttrAMDGCN(GPUKind AK) {
+  if (const auto *Entry = getArchEntry(AK, AMDGCNGPUs))
+    return Entry->Features;
+  return FEATURE_NONE;
 }
 
-// Version number (ex. v7 = 7).
-unsigned llvm::ARM::parseArchVersion(StringRef Arch) {
-  Arch = getCanonicalArchName(Arch);
-  switch (parseArch(Arch)) {
-  case ARM::ArchKind::ARMV2:
-  case ARM::ArchKind::ARMV2A:
-    return 2;
-  case ARM::ArchKind::ARMV3:
-  case ARM::ArchKind::ARMV3M:
-    return 3;
-  case ARM::ArchKind::ARMV4:
-  case ARM::ArchKind::ARMV4T:
-    return 4;
-  case ARM::ArchKind::ARMV5T:
-  case ARM::ArchKind::ARMV5TE:
-  case ARM::ArchKind::IWMMXT:
-  case ARM::ArchKind::IWMMXT2:
-  case ARM::ArchKind::XSCALE:
-  case ARM::ArchKind::ARMV5TEJ:
-    return 5;
-  case ARM::ArchKind::ARMV6:
-  case ARM::ArchKind::ARMV6K:
-  case ARM::ArchKind::ARMV6T2:
-  case ARM::ArchKind::ARMV6KZ:
-  case ARM::ArchKind::ARMV6M:
-    return 6;
-  case ARM::ArchKind::ARMV7A:
-  case ARM::ArchKind::ARMV7VE:
-  case ARM::ArchKind::ARMV7R:
-  case ARM::ArchKind::ARMV7M:
-  case ARM::ArchKind::ARMV7S:
-  case ARM::ArchKind::ARMV7EM:
-  case ARM::ArchKind::ARMV7K:
-    return 7;
-  case ARM::ArchKind::ARMV8A:
-  case ARM::ArchKind::ARMV8_1A:
-  case ARM::ArchKind::ARMV8_2A:
-  case ARM::ArchKind::ARMV8_3A:
-  case ARM::ArchKind::ARMV8_4A:
-  case ARM::ArchKind::ARMV8R:
-  case ARM::ArchKind::ARMV8MBaseline:
-  case ARM::ArchKind::ARMV8MMainline:
-    return 8;
-  case ARM::ArchKind::INVALID:
-    return 0;
-  }
-  llvm_unreachable("Unhandled architecture");
+unsigned AMDGPU::getArchAttrR600(GPUKind AK) {
+  if (const auto *Entry = getArchEntry(AK, R600GPUs))
+    return Entry->Features;
+  return FEATURE_NONE;
 }
 
-StringRef llvm::ARM::computeDefaultTargetABI(const Triple &TT, StringRef CPU) {
-  StringRef ArchName =
-      CPU.empty() ? TT.getArchName() : ARM::getArchName(ARM::parseCPUArch(CPU));
-
-  if (TT.isOSBinFormatMachO()) {
-    if (TT.getEnvironment() == Triple::EABI ||
-        TT.getOS() == Triple::UnknownOS ||
-        llvm::ARM::parseArchProfile(ArchName) == ARM::ProfileKind::M)
-      return "aapcs";
-    if (TT.isWatchABI())
-      return "aapcs16";
-    return "apcs-gnu";
-  } else if (TT.isOSWindows())
-    // FIXME: this is invalid for WindowsCE.
-    return "aapcs";
-
-  // Select the default based on the platform.
-  switch (TT.getEnvironment()) {
-  case Triple::Android:
-  case Triple::GNUEABI:
-  case Triple::GNUEABIHF:
-  case Triple::MuslEABI:
-  case Triple::MuslEABIHF:
-    return "aapcs-linux";
-  case Triple::EABIHF:
-  case Triple::EABI:
-    return "aapcs";
-  default:
-    if (TT.isOSNetBSD())
-      return "apcs-gnu";
-    if (TT.isOSOpenBSD())
-      return "aapcs-linux";
-    return "aapcs";
-  }
+void AMDGPU::fillValidArchListAMDGCN(SmallVectorImpl<StringRef> &Values) {
+  // XXX: Should this only report unique canonical names?
+  for (const auto C : AMDGCNGPUs)
+    Values.push_back(C.Name);
 }
 
-StringRef llvm::AArch64::getCanonicalArchName(StringRef Arch) {
-  return ARM::getCanonicalArchName(Arch);
+void AMDGPU::fillValidArchListR600(SmallVectorImpl<StringRef> &Values) {
+  for (const auto C : R600GPUs)
+    Values.push_back(C.Name);
 }
 
-unsigned llvm::AArch64::parseFPU(StringRef FPU) {
-  return ARM::parseFPU(FPU);
-}
+AMDGPU::IsaVersion AMDGPU::getIsaVersion(StringRef GPU) {
+  if (GPU == "generic")
+    return {7, 0, 0};
 
-// Allows partial match, ex. "v8a" matches "armv8a".
-AArch64::ArchKind AArch64::parseArch(StringRef Arch) {
-  Arch = getCanonicalArchName(Arch);
-  if (checkArchVersion(Arch) < 8)
-    return ArchKind::INVALID;
-
-  StringRef Syn = getArchSynonym(Arch);
-  for (const auto A : AArch64ARCHNames) {
-    if (A.getName().endswith(Syn))
-      return A.ID;
-  }
-  return ArchKind::INVALID;
-}
-
-AArch64::ArchExtKind llvm::AArch64::parseArchExt(StringRef ArchExt) {
-  for (const auto A : AArch64ARCHExtNames) {
-    if (ArchExt == A.getName())
-      return static_cast<ArchExtKind>(A.ID);
-  }
-  return AArch64::AEK_INVALID;
-}
+  AMDGPU::GPUKind AK = parseArchAMDGCN(GPU);
+  if (AK == AMDGPU::GPUKind::GK_NONE)
+    return {0, 0, 0};
 
-AArch64::ArchKind llvm::AArch64::parseCPUArch(StringRef CPU) {
-  for (const auto C : AArch64CPUNames) {
-    if (CPU == C.getName())
-      return C.ArchID;
+  switch (AK) {
+  case GK_GFX600: return {6, 0, 0};
+  case GK_GFX601: return {6, 0, 1};
+  case GK_GFX700: return {7, 0, 0};
+  case GK_GFX701: return {7, 0, 1};
+  case GK_GFX702: return {7, 0, 2};
+  case GK_GFX703: return {7, 0, 3};
+  case GK_GFX704: return {7, 0, 4};
+  case GK_GFX801: return {8, 0, 1};
+  case GK_GFX802: return {8, 0, 2};
+  case GK_GFX803: return {8, 0, 3};
+  case GK_GFX810: return {8, 1, 0};
+  case GK_GFX900: return {9, 0, 0};
+  case GK_GFX902: return {9, 0, 2};
+  case GK_GFX904: return {9, 0, 4};
+  case GK_GFX906: return {9, 0, 6};
+  case GK_GFX909: return {9, 0, 9};
+  default:        return {0, 0, 0};
   }
-  return ArchKind::INVALID;
-}
-
-// ARM, Thumb, AArch64
-ARM::ISAKind AArch64::parseArchISA(StringRef Arch) {
-  return ARM::parseArchISA(Arch);
-}
-
-// Little/Big endian
-ARM::EndianKind AArch64::parseArchEndian(StringRef Arch) {
-  return ARM::parseArchEndian(Arch);
-}
-
-// Profile A/R/M
-ARM::ProfileKind AArch64::parseArchProfile(StringRef Arch) {
-  return ARM::parseArchProfile(Arch);
-}
-
-// Version number (ex. v8 = 8).
-unsigned llvm::AArch64::parseArchVersion(StringRef Arch) {
-  return ARM::parseArchVersion(Arch);
-}
-
-bool llvm::AArch64::isX18ReservedByDefault(const Triple &TT) {
-  return TT.isOSDarwin() || TT.isOSFuchsia() || TT.isOSWindows();
 }