Index: include/clang/Basic/Cuda.h
===================================================================
--- include/clang/Basic/Cuda.h
+++ include/clang/Basic/Cuda.h
@@ -46,6 +46,19 @@
   SM_62,
   SM_70,
   SM_72,
+  GFX600,
+  GFX601,
+  GFX700,
+  GFX701,
+  GFX702,
+  GFX703,
+  GFX704,
+  GFX801,
+  GFX802,
+  GFX803,
+  GFX810,
+  GFX900,
+  GFX902,
   LAST,
 };
 const char *CudaArchToString(CudaArch A);
@@ -68,6 +81,7 @@
   COMPUTE_62,
   COMPUTE_70,
   COMPUTE_72,
+  COMPUTE_AMDGCN,
 };
 const char *CudaVirtualArchToString(CudaVirtualArch A);
 
Index: lib/Basic/Cuda.cpp
===================================================================
--- lib/Basic/Cuda.cpp
+++ lib/Basic/Cuda.cpp
@@ -58,6 +58,32 @@
     return "sm_70";
   case CudaArch::SM_72:
     return "sm_72";
+  case CudaArch::GFX600: // tahiti
+    return "gfx600";
+  case CudaArch::GFX601: // pitcairn, verde, oland,hainan
+    return "gfx601";
+  case CudaArch::GFX700: // kaveri
+    return "gfx700";
+  case CudaArch::GFX701: // hawaii
+    return "gfx701";
+  case CudaArch::GFX702: // 290,290x,R390,R390x
+    return "gfx702";
+  case CudaArch::GFX703: // kabini mullins
+    return "gfx703";
+  case CudaArch::GFX704: // bonaire
+    return "gfx704";
+  case CudaArch::GFX801: // carrizo
+    return "gfx801";
+  case CudaArch::GFX802: // tonga,iceland
+    return "gfx802";
+  case CudaArch::GFX803: // fiji,polaris10
+    return "gfx803";
+  case CudaArch::GFX810: // stoney
+    return "gfx810";
+  case CudaArch::GFX900: // vega, instinct
+    return "gfx900";
+  case CudaArch::GFX902: // TBA
+    return "gfx902";
   }
   llvm_unreachable("invalid enum");
 }
@@ -78,6 +104,19 @@
       .Case("sm_62", CudaArch::SM_62)
       .Case("sm_70", CudaArch::SM_70)
       .Case("sm_72", CudaArch::SM_72)
+      .Case("gfx600", CudaArch::GFX600)
+      .Case("gfx601", CudaArch::GFX601)
+      .Case("gfx700", CudaArch::GFX700)
+      .Case("gfx701", CudaArch::GFX701)
+      .Case("gfx702", CudaArch::GFX702)
+      .Case("gfx703", CudaArch::GFX703)
+      .Case("gfx704", CudaArch::GFX704)
+      .Case("gfx801", CudaArch::GFX801)
+      .Case("gfx802", CudaArch::GFX802)
+      .Case("gfx803", CudaArch::GFX803)
+      .Case("gfx810", CudaArch::GFX810)
+      .Case("gfx900", CudaArch::GFX900)
+      .Case("gfx902", CudaArch::GFX902)
       .Default(CudaArch::UNKNOWN);
 }
 
@@ -111,6 +150,8 @@
     return "compute_70";
   case CudaVirtualArch::COMPUTE_72:
     return "compute_72";
+  case CudaVirtualArch::COMPUTE_AMDGCN:
+    return "compute_amdgcn";
   }
   llvm_unreachable("invalid enum");
 }
@@ -130,6 +171,7 @@
       .Case("compute_62", CudaVirtualArch::COMPUTE_62)
       .Case("compute_70", CudaVirtualArch::COMPUTE_70)
       .Case("compute_72", CudaVirtualArch::COMPUTE_72)
+      .Case("compute_amdgcn", CudaVirtualArch::COMPUTE_AMDGCN)
       .Default(CudaVirtualArch::UNKNOWN);
 }
 
@@ -166,6 +208,20 @@
     return CudaVirtualArch::COMPUTE_70;
   case CudaArch::SM_72:
     return CudaVirtualArch::COMPUTE_72;
+  case CudaArch::GFX600:
+  case CudaArch::GFX601:
+  case CudaArch::GFX700:
+  case CudaArch::GFX701:
+  case CudaArch::GFX702:
+  case CudaArch::GFX703:
+  case CudaArch::GFX704:
+  case CudaArch::GFX801:
+  case CudaArch::GFX802:
+  case CudaArch::GFX803:
+  case CudaArch::GFX810:
+  case CudaArch::GFX900:
+  case CudaArch::GFX902:
+    return CudaVirtualArch::COMPUTE_AMDGCN;
   }
   llvm_unreachable("invalid enum");
 }
@@ -194,6 +250,20 @@
     return CudaVersion::CUDA_90;
   case CudaArch::SM_72:
     return CudaVersion::CUDA_91;
+  case CudaArch::GFX600:
+  case CudaArch::GFX601:
+  case CudaArch::GFX700:
+  case CudaArch::GFX701:
+  case CudaArch::GFX702:
+  case CudaArch::GFX703:
+  case CudaArch::GFX704:
+  case CudaArch::GFX801:
+  case CudaArch::GFX802:
+  case CudaArch::GFX803:
+  case CudaArch::GFX810:
+  case CudaArch::GFX900:
+  case CudaArch::GFX902:
+    return CudaVersion::CUDA_70;
   }
   llvm_unreachable("invalid enum");
 }
@@ -204,6 +274,19 @@
     return CudaVersion::UNKNOWN;
   case CudaArch::SM_20:
   case CudaArch::SM_21:
+  case CudaArch::GFX600:
+  case CudaArch::GFX601:
+  case CudaArch::GFX700:
+  case CudaArch::GFX701:
+  case CudaArch::GFX702:
+  case CudaArch::GFX703:
+  case CudaArch::GFX704:
+  case CudaArch::GFX801:
+  case CudaArch::GFX802:
+  case CudaArch::GFX803:
+  case CudaArch::GFX810:
+  case CudaArch::GFX900:
+  case CudaArch::GFX902:
     return CudaVersion::CUDA_80;
   default:
     return CudaVersion::LATEST;
Index: lib/Basic/Targets.h
===================================================================
--- lib/Basic/Targets.h
+++ lib/Basic/Targets.h
@@ -16,6 +16,7 @@
 #ifndef LLVM_CLANG_LIB_BASIC_TARGETS_H
 #define LLVM_CLANG_LIB_BASIC_TARGETS_H
 
+#include "clang/Basic/Cuda.h"
 #include "clang/Basic/LangOptions.h"
 #include "clang/Basic/MacroBuilder.h"
 #include "clang/Basic/TargetInfo.h"
@@ -46,6 +47,9 @@
 LLVM_LIBRARY_VISIBILITY
 void addCygMingDefines(const clang::LangOptions &Opts,
                        clang::MacroBuilder &Builder);
+
+LLVM_LIBRARY_VISIBILITY
+void defineCudaArchMacro(CudaArch GPU, clang::MacroBuilder &Builder);
 } // namespace targets
 } // namespace clang
 #endif // LLVM_CLANG_LIB_BASIC_TARGETS_H
Index: lib/Basic/Targets.cpp
===================================================================
--- lib/Basic/Targets.cpp
+++ lib/Basic/Targets.cpp
@@ -112,6 +112,61 @@
   addCygMingDefines(Opts, Builder);
 }
 
+void defineCudaArchMacro(CudaArch GPU, clang::MacroBuilder &Builder) {
+  std::string CUDAArchCode = [GPU] {
+    switch (GPU) {
+    case CudaArch::LAST:
+      break;
+    case CudaArch::SM_20:
+      return "200";
+    case CudaArch::SM_21:
+      return "210";
+    case CudaArch::SM_30:
+      return "300";
+    case CudaArch::SM_32:
+      return "320";
+    case CudaArch::SM_35:
+      return "350";
+    case CudaArch::SM_37:
+      return "370";
+    case CudaArch::SM_50:
+      return "500";
+    case CudaArch::SM_52:
+      return "520";
+    case CudaArch::SM_53:
+      return "530";
+    case CudaArch::SM_60:
+      return "600";
+    case CudaArch::SM_61:
+      return "610";
+    case CudaArch::SM_62:
+      return "620";
+    case CudaArch::SM_70:
+      return "700";
+    case CudaArch::SM_72:
+      return "720";
+    case CudaArch::GFX600:
+    case CudaArch::GFX601:
+    case CudaArch::GFX700:
+    case CudaArch::GFX701:
+    case CudaArch::GFX702:
+    case CudaArch::GFX703:
+    case CudaArch::GFX704:
+    case CudaArch::GFX801:
+    case CudaArch::GFX802:
+    case CudaArch::GFX803:
+    case CudaArch::GFX810:
+    case CudaArch::GFX900:
+    case CudaArch::GFX902:
+      return "320";
+    case CudaArch::UNKNOWN:
+      llvm_unreachable("unhandled Cuda/HIP Arch");
+    }
+    llvm_unreachable("unhandled Cuda/HIP Arch");
+  }();
+  Builder.defineMacro("__CUDA_ARCH__", CUDAArchCode);
+}
+
 //===----------------------------------------------------------------------===//
 // Driver code
 //===----------------------------------------------------------------------===//
Index: lib/Basic/Targets/AMDGPU.h
===================================================================
--- lib/Basic/Targets/AMDGPU.h
+++ lib/Basic/Targets/AMDGPU.h
@@ -14,6 +14,7 @@
 #ifndef LLVM_CLANG_LIB_BASIC_TARGETS_AMDGPU_H
 #define LLVM_CLANG_LIB_BASIC_TARGETS_AMDGPU_H
 
+#include "clang/Basic/Cuda.h"
 #include "clang/Basic/TargetInfo.h"
 #include "clang/Basic/TargetOptions.h"
 #include "llvm/ADT/StringSet.h"
@@ -174,6 +175,7 @@
   static bool isAMDGCN(const llvm::Triple &TT) {
     return TT.getArch() == llvm::Triple::amdgcn;
   }
+  CudaArch GCN_Subarch;
 
 public:
   AMDGPUTargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts);
@@ -330,6 +332,7 @@
     else
       GPU = parseR600Name(Name);
 
+    GCN_Subarch = StringToCudaArch(Name);
     return GK_NONE != GPU.Kind;
   }
 
Index: lib/Basic/Targets/AMDGPU.cpp
===================================================================
--- lib/Basic/Targets/AMDGPU.cpp
+++ lib/Basic/Targets/AMDGPU.cpp
@@ -12,6 +12,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "AMDGPU.h"
+#include "Targets.h"
 #include "clang/Basic/Builtins.h"
 #include "clang/Basic/LangOptions.h"
 #include "clang/Basic/MacroBuilder.h"
@@ -263,6 +264,7 @@
   resetDataLayout(isAMDGCN(getTriple()) ? DataLayoutStringAMDGCN
                                         : DataLayoutStringR600);
   assert(DataLayout->getAllocaAddrSpace() == Private);
+  GCN_Subarch = CudaArch::GFX803; // Default to fiji
 
   setAddressSpaceMap(Triple.getOS() == llvm::Triple::Mesa3D ||
                      !isAMDGCN(Triple));
@@ -307,6 +309,9 @@
   if (GPU.Kind != GK_NONE)
     Builder.defineMacro(Twine("__") + Twine(GPU.CanonicalName) + Twine("__"));
 
+  if (Opts.CUDAIsDevice)
+    defineCudaArchMacro(GCN_Subarch, Builder);
+
   // TODO: __HAS_FMAF__, __HAS_LDEXPF__, __HAS_FP64__ are deprecated and will be
   // removed in the near future.
   if (GPU.HasFMAF)
Index: lib/Basic/Targets/NVPTX.cpp
===================================================================
--- lib/Basic/Targets/NVPTX.cpp
+++ lib/Basic/Targets/NVPTX.cpp
@@ -153,48 +153,8 @@
                                        MacroBuilder &Builder) const {
   Builder.defineMacro("__PTX__");
   Builder.defineMacro("__NVPTX__");
-  if (Opts.CUDAIsDevice) {
-    // Set __CUDA_ARCH__ for the GPU specified.
-    std::string CUDAArchCode = [this] {
-      switch (GPU) {
-      case CudaArch::LAST:
-        break;
-      case CudaArch::UNKNOWN:
-        assert(false && "No GPU arch when compiling CUDA device code.");
-        return "";
-      case CudaArch::SM_20:
-        return "200";
-      case CudaArch::SM_21:
-        return "210";
-      case CudaArch::SM_30:
-        return "300";
-      case CudaArch::SM_32:
-        return "320";
-      case CudaArch::SM_35:
-        return "350";
-      case CudaArch::SM_37:
-        return "370";
-      case CudaArch::SM_50:
-        return "500";
-      case CudaArch::SM_52:
-        return "520";
-      case CudaArch::SM_53:
-        return "530";
-      case CudaArch::SM_60:
-        return "600";
-      case CudaArch::SM_61:
-        return "610";
-      case CudaArch::SM_62:
-        return "620";
-      case CudaArch::SM_70:
-        return "700";
-      case CudaArch::SM_72:
-        return "720";
-      }
-      llvm_unreachable("unhandled CudaArch");
-    }();
-    Builder.defineMacro("__CUDA_ARCH__", CUDAArchCode);
-  }
+  if (Opts.CUDAIsDevice)
+    defineCudaArchMacro(GPU, Builder);
 }
 
 ArrayRef<Builtin::Info> NVPTXTargetInfo::getTargetBuiltins() const {
Index: test/Driver/cuda-arch-translation.cu
===================================================================
--- test/Driver/cuda-arch-translation.cu
+++ test/Driver/cuda-arch-translation.cu
@@ -31,6 +31,32 @@
 // RUN: | FileCheck -check-prefixes=COMMON,SM62 %s
 // RUN: %clang -### -target x86_64-linux-gnu -c --cuda-gpu-arch=sm_70 %s 2>&1 \
 // RUN: | FileCheck -check-prefixes=COMMON,SM70 %s
+// RUN: %clang -### -target x86_64-linux-gnu -c --cuda-gpu-arch=gfx600 %s 2>&1 \
+// RUN: | FileCheck -check-prefixes=COMMON,GFX600 %s
+// RUN: %clang -### -target x86_64-linux-gnu -c --cuda-gpu-arch=gfx601 %s 2>&1 \
+// RUN: | FileCheck -check-prefixes=COMMON,GFX601 %s
+// RUN: %clang -### -target x86_64-linux-gnu -c --cuda-gpu-arch=gfx700 %s 2>&1 \
+// RUN: | FileCheck -check-prefixes=COMMON,GFX700 %s
+// RUN: %clang -### -target x86_64-linux-gnu -c --cuda-gpu-arch=gfx701 %s 2>&1 \
+// RUN: | FileCheck -check-prefixes=COMMON,GFX701 %s
+// RUN: %clang -### -target x86_64-linux-gnu -c --cuda-gpu-arch=gfx702 %s 2>&1 \
+// RUN: | FileCheck -check-prefixes=COMMON,GFX702 %s
+// RUN: %clang -### -target x86_64-linux-gnu -c --cuda-gpu-arch=gfx703 %s 2>&1 \
+// RUN: | FileCheck -check-prefixes=COMMON,GFX703 %s
+// RUN: %clang -### -target x86_64-linux-gnu -c --cuda-gpu-arch=gfx704 %s 2>&1 \
+// RUN: | FileCheck -check-prefixes=COMMON,GFX704 %s
+// RUN: %clang -### -target x86_64-linux-gnu -c --cuda-gpu-arch=gfx801 %s 2>&1 \
+// RUN: | FileCheck -check-prefixes=COMMON,GFX801 %s
+// RUN: %clang -### -target x86_64-linux-gnu -c --cuda-gpu-arch=gfx802 %s 2>&1 \
+// RUN: | FileCheck -check-prefixes=COMMON,GFX802 %s
+// RUN: %clang -### -target x86_64-linux-gnu -c --cuda-gpu-arch=gfx803 %s 2>&1 \
+// RUN: | FileCheck -check-prefixes=COMMON,GFX803 %s
+// RUN: %clang -### -target x86_64-linux-gnu -c --cuda-gpu-arch=gfx810 %s 2>&1 \
+// RUN: | FileCheck -check-prefixes=COMMON,GFX810 %s
+// RUN: %clang -### -target x86_64-linux-gnu -c --cuda-gpu-arch=gfx900 %s 2>&1 \
+// RUN: | FileCheck -check-prefixes=COMMON,GFX900 %s
+// RUN: %clang -### -target x86_64-linux-gnu -c --cuda-gpu-arch=gfx902 %s 2>&1 \
+// RUN: | FileCheck -check-prefixes=COMMON,GFX902 %s
 
 // COMMON: ptxas
 // COMMON-SAME: -m64
@@ -49,3 +75,16 @@
 // SM61:--image=profile=sm_61{{.*}}--image=profile=compute_61
 // SM62:--image=profile=sm_62{{.*}}--image=profile=compute_62
 // SM70:--image=profile=sm_70{{.*}}--image=profile=compute_70
+// GFX600:--image=profile=gfx600{{.*}}--image=profile=compute_amdgcn
+// GFX601:--image=profile=gfx601{{.*}}--image=profile=compute_amdgcn
+// GFX700:--image=profile=gfx700{{.*}}--image=profile=compute_amdgcn
+// GFX701:--image=profile=gfx701{{.*}}--image=profile=compute_amdgcn
+// GFX702:--image=profile=gfx702{{.*}}--image=profile=compute_amdgcn
+// GFX703:--image=profile=gfx703{{.*}}--image=profile=compute_amdgcn
+// GFX704:--image=profile=gfx704{{.*}}--image=profile=compute_amdgcn
+// GFX801:--image=profile=gfx801{{.*}}--image=profile=compute_amdgcn
+// GFX802:--image=profile=gfx802{{.*}}--image=profile=compute_amdgcn
+// GFX803:--image=profile=gfx803{{.*}}--image=profile=compute_amdgcn
+// GFX810:--image=profile=gfx810{{.*}}--image=profile=compute_amdgcn
+// GFX900:--image=profile=gfx900{{.*}}--image=profile=compute_amdgcn
+// GFX902:--image=profile=gfx902{{.*}}--image=profile=compute_amdgcn