!8308 gpu support kernel register

From: @wilfchen
Reviewed-by: @cristoval,@limingqi107,@cristoval
Signed-off-by: @cristoval

mindspore/ccsrc/backend/kernel_compiler/gpu/gpu_kernel_factory.h

@@ -78,34 +78,43 @@ class GpuKernelRegister {
 // variable has been created.
 #define uchar unsigned char
 
-#define MS_REG_GPU_KERNEL(OPNAME, OPCLASS)                                                 \
-  static_assert(std::is_base_of<GpuKernel, OPCLASS>::value, " must be base of GpuKernel"); \
-  static const GpuKernelRegister g_##OPNAME##_gpu_kernel_reg(#OPNAME, KernelAttr(), []() { return new OPCLASS(); });
+#define UNIQUE_KERNEL_NAME(kernel) KERNEL_NAME(kernel, __COUNTER__)
+#define KERNEL_NAME(kernel, cnt) MERGE(kernel, cnt)
+#define MERGE(kernel, cnt) kernel##cnt
+
+#define MS_REG_GPU_KERNEL(OPNAME, OPCLASS)                                                              \
+  static_assert(std::is_base_of<GpuKernel, OPCLASS>::value, " must be base of GpuKernel");              \
+  static const GpuKernelRegister UNIQUE_KERNEL_NAME(g_##OPNAME##_gpu_kernel_reg)(#OPNAME, KernelAttr(), \
+                                                                                 []() { return new OPCLASS(); });
 
 // regular register of fixed accuracy kernels
-#define MS_REG_GPU_KERNEL_REGULAR(OPNAME, ATTR, OPCLASS)                                   \
-  static_assert(std::is_base_of<GpuKernel, OPCLASS>::value, " must be base of GpuKernel"); \
-  static const GpuKernelRegister g_##OPNAME##_gpu_kernel_reg(#OPNAME, ATTR, []() { return new OPCLASS(); });
+#define MS_REG_GPU_KERNEL_REGULAR(OPNAME, ATTR, OPCLASS)                                        \
+  static_assert(std::is_base_of<GpuKernel, OPCLASS>::value, " must be base of GpuKernel");      \
+  static const GpuKernelRegister UNIQUE_KERNEL_NAME(g_##OPNAME##_gpu_kernel_reg)(#OPNAME, ATTR, \
+                                                                                 []() { return new OPCLASS(); });
 
 // register of mixed accuracy kernels which use template and maintain one typename, ignore input num
 #define MS_REG_GPU_KERNEL_SAME(OPNAME, ATTR, OPCLASS, T)                                      \
   static_assert(std::is_base_of<GpuKernel, OPCLASS<T>>::value, " must be base of GpuKernel"); \
-  static const GpuKernelRegister g_##OPNAME##_##T##_gpu_kernel_reg(#OPNAME, ATTR, []() { return new OPCLASS<T>(); });
+  static const GpuKernelRegister UNIQUE_KERNEL_NAME(g_##OPNAME##_##T##_gpu_kernel_reg)(       \
+    #OPNAME, ATTR, []() { return new OPCLASS<T>(); });
 
 // register of mixed accuracy kernels which use template and maintain one typename
 #define MS_REG_GPU_KERNEL_ONE(OPNAME, ATTR, OPCLASS, T)                                       \
   static_assert(std::is_base_of<GpuKernel, OPCLASS<T>>::value, " must be base of GpuKernel"); \
-  static const GpuKernelRegister g_##OPNAME##_##T##_gpu_kernel_reg(#OPNAME, ATTR, []() { return new OPCLASS<T>(); });
+  static const GpuKernelRegister UNIQUE_KERNEL_NAME(g_##OPNAME##_##T##_gpu_kernel_reg)(       \
+    #OPNAME, ATTR, []() { return new OPCLASS<T>(); });
 
 // register of mixed accuracy kernels which use template and maintain two typename
 #define MS_REG_GPU_KERNEL_TWO(OPNAME, ATTR, OPCLASS, T, S)                                       \
   static_assert(std::is_base_of<GpuKernel, OPCLASS<T, S>>::value, " must be base of GpuKernel"); \
-  static const GpuKernelRegister g_##OPNAME##_##T##_##S##_gpu_kernel_reg(#OPNAME, ATTR,          \
-                                                                         []() { return new OPCLASS<T, S>(); });
+  static const GpuKernelRegister UNIQUE_KERNEL_NAME(g_##OPNAME##_##T##_##S##_gpu_kernel_reg)(    \
+    #OPNAME, ATTR, []() { return new OPCLASS<T, S>(); });
+
 // register of mixed accuracy kernels which use template and maintain three typename
 #define MS_REG_GPU_KERNEL_THREE(OPNAME, ATTR, OPCLASS, T, S, G)                                     \
   static_assert(std::is_base_of<GpuKernel, OPCLASS<T, S, G>>::value, " must be base of GpuKernel"); \
-  static const GpuKernelRegister g_##OPNAME##_##T##_##S##_##G##_gpu_kernel_reg(                     \
+  static const GpuKernelRegister UNIQUE_KERNEL_NAME(g_##OPNAME##_##T##_##S##_##G##_gpu_kernel_reg)( \
     #OPNAME, ATTR, []() { return new OPCLASS<T, S, G>(); });
 }  // namespace kernel
 }  // namespace mindspore