[CIR][CUDA] Treat nvptx triple as alias for nvptx64

Author: advay168

clang/lib/CIR/CodeGen/TargetInfo.cpp

@@ -747,6 +747,7 @@ const TargetCIRGenInfo &CIRGenModule::getTargetCIRGenInfo() {
     return SetCIRGenInfo(new SPIRVTargetCIRGenInfo(genTypes));
   }
 
+  case llvm::Triple::nvptx:
   case llvm::Triple::nvptx64: {
     return SetCIRGenInfo(new NVPTXTargetCIRGenInfo(genTypes));
   }

clang/lib/CIR/Dialect/Transforms/TargetLowering/LowerModule.cpp

@@ -81,8 +81,11 @@ createTargetLoweringInfo(LowerModule &LM) {
   }
   case llvm::Triple::spirv64:
     return createSPIRVTargetLoweringInfo(LM);
+
+  case llvm::Triple::nvptx:
   case llvm::Triple::nvptx64:
     return createNVPTXTargetLoweringInfo(LM);
+
   default:
     cir_cconv_unreachable("ABI NYI");
   }