Add gfx909 to GPU Arch

[yaxunl]

LGTM

[kzhuravl]

Are changes for https://github.com/llvm-mirror/clang/blob/master/lib/Basic/Targets/AMDGPU.cpp#L137 in a separate review? (I could not locate it).

[kzhuravl]

In D53558#1272673, @kzhuravl wrote:

Are changes for https://github.com/llvm-mirror/clang/blob/master/lib/Basic/Targets/AMDGPU.cpp#L137 in a separate review? (I could not locate it).

https://reviews.llvm.org/rC345181

include/clang/Basic/Cuda.h

enum class CudaArch {
   GFX801,
   GFX802,
   GFX803,
   GFX810,
   GFX900,
   GFX902,
   GFX904,
   GFX906,
+  GFX909,
   LAST,
 };
 const char *CudaArchToString(CudaArch A);
 
 // The input should have the form "sm_20".
 CudaArch StringToCudaArch(llvm::StringRef S);
 
 enum class CudaVirtualArch {

lib/Basic/Cuda.cpp

const char *CudaArchToString(CudaArch A) {
   case CudaArch::GFX900: // vega, instinct
     return "gfx900";
   case CudaArch::GFX902: // TBA
     return "gfx902";
   case CudaArch::GFX904: // TBA
     return "gfx904";
   case CudaArch::GFX906: // TBA
     return "gfx906";
+  case CudaArch::GFX909: // TBA
+    return "gfx909";
   }
   llvm_unreachable("invalid enum");
 }
 
 CudaArch StringToCudaArch(llvm::StringRef S) {
   return llvm::StringSwitch<CudaArch>(S)
       .Case("sm_20", CudaArch::SM_20)
       .Case("sm_21", CudaArch::SM_21)
return llvm::StringSwitch<CudaArch>(S)
       .Case("gfx801", CudaArch::GFX801)
       .Case("gfx802", CudaArch::GFX802)
       .Case("gfx803", CudaArch::GFX803)
       .Case("gfx810", CudaArch::GFX810)
       .Case("gfx900", CudaArch::GFX900)
       .Case("gfx902", CudaArch::GFX902)
       .Case("gfx904", CudaArch::GFX904)
       .Case("gfx906", CudaArch::GFX906)
+      .Case("gfx909", CudaArch::GFX909)
       .Default(CudaArch::UNKNOWN);
 }
 
 const char *CudaVirtualArchToString(CudaVirtualArch A) {
   switch (A) {
   case CudaVirtualArch::UNKNOWN:
     return "unknown";
   case CudaVirtualArch::COMPUTE_20:
CudaVirtualArch VirtualArchForCudaArch(CudaArch A) {
   case CudaArch::GFX801:
   case CudaArch::GFX802:
   case CudaArch::GFX803:
   case CudaArch::GFX810:
   case CudaArch::GFX900:
   case CudaArch::GFX902:
   case CudaArch::GFX904:
   case CudaArch::GFX906:
+  case CudaArch::GFX909:
     return CudaVirtualArch::COMPUTE_AMDGCN;
   }
   llvm_unreachable("invalid enum");
 }
 
 CudaVersion MinVersionForCudaArch(CudaArch A) {
   switch (A) {
   case CudaArch::LAST:
CudaVersion MinVersionForCudaArch(CudaArch A) {
   case CudaArch::GFX801:
   case CudaArch::GFX802:
   case CudaArch::GFX803:
   case CudaArch::GFX810:
   case CudaArch::GFX900:
   case CudaArch::GFX902:
   case CudaArch::GFX904:
   case CudaArch::GFX906:
+  case CudaArch::GFX909:
     return CudaVersion::CUDA_70;
   }
   llvm_unreachable("invalid enum");
 }
 
 CudaVersion MaxVersionForCudaArch(CudaArch A) {
   switch (A) {
   case CudaArch::UNKNOWN:

lib/Basic/Targets/NVPTX.cpp

std::string CUDAArchCode = [this] {
       case CudaArch::GFX801:
       case CudaArch::GFX802:
       case CudaArch::GFX803:
       case CudaArch::GFX810:
       case CudaArch::GFX900:
       case CudaArch::GFX902:
       case CudaArch::GFX904:
       case CudaArch::GFX906:
+      case CudaArch::GFX909:
       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: