ur_unreachable -> ur::unreachable

Author: wenju-he

source/adapters/cuda/usm.cpp

@@ -227,7 +227,7 @@ urUSMGetMemAllocInfo(ur_context_handle_t hContext, const void *pMem,
         return ReturnValue(UR_USM_TYPE_HOST);
       }
       // should never get here
-      ur_unreachable();
+      ur::unreachable();
     }
     case UR_USM_ALLOC_INFO_BASE_PTR: {
 #if CUDA_VERSION >= 10020

source/adapters/hip/usm.cpp

@@ -190,7 +190,7 @@ urUSMGetMemAllocInfo(ur_context_handle_t hContext, const void *pMem,
         return ReturnValue(UR_USM_TYPE_HOST);
       }
       // should never get here
-      ur_unreachable();
+      ur::unreachable();
     }
     case UR_USM_ALLOC_INFO_DEVICE: {
       // get device index associated with this pointer

source/adapters/native_cpu/kernel.cpp

@@ -173,7 +173,7 @@ urKernelGetSubGroupInfo(ur_kernel_handle_t hKernel, ur_device_handle_t hDevice,
     return ReturnValue(0);
   }
   case UR_KERNEL_SUB_GROUP_INFO_FORCE_UINT32: {
-    ur_unreachable();
+    ur::unreachable();
   }
   }
   DIE_NO_IMPLEMENTATION;

source/common/ur_util.hpp

@@ -298,12 +298,14 @@ inline ur_result_t exceptionToResult(std::exception_ptr eptr) {
 
 template <class> inline constexpr bool ur_always_false_t = false;
 
-[[noreturn]] inline void ur_unreachable() {
+namespace ur {
+[[noreturn]] inline void unreachable() {
 #ifdef _MSC_VER
     __assume(0);
 #else
     __builtin_unreachable();
 #endif
 }
+} // namespace ur
 
 #endif /* UR_UTIL_H */

tools/urtrace/collector.cpp

@@ -277,7 +277,7 @@ std::unique_ptr<TraceWriter> create_writer() {
     case OUTPUT_JSON:
         return std::make_unique<JsonWriter>();
     default:
-        ur_unreachable();
+        ur::unreachable();
     }
     return nullptr;
 }