FindCUDAToolkit: Add cufilt target for CUDA 11.4 and above

Fixes: #26705

Help/release/dev/findcudatoolkit-target-for-cufilt.rst

@@ -0,0 +1,5 @@
+findcudatoolkit-target-for-cufilt
+---------------------------------
+
+* The :module:`FindCUDAToolkit` module now provides an imported target
+  for ``cufilt`` in CUDA 11.4 and above.

Modules/FindCUDAToolkit.cmake

@@ -138,6 +138,7 @@ of the following libraries that are part of the CUDAToolkit:
 - `nvtx3`_
 - `OpenCL`_
 - `cuLIBOS`_
+- `cufilt`_
 
 CUDA Runtime Library
 """"""""""""""""""""
@@ -553,6 +554,20 @@ Target Created:
 
 .. _`NVIDIA Compute Sanitizer`: https://docs.nvidia.com/compute-sanitizer
 
+cufilt
+""""""
+
+.. versionadded:: 4.4
+
+The `cu++filt`_ binary utility also provides a static library for demangling
+CUDA C++ symbols.
+
+Targets Created:
+
+- ``CUDA::cufilt`` starting in CUDA 11.4
+
+.. _`cu++filt`: https://docs.nvidia.com/cuda/cuda-binary-utilities/index.html#cu-filt
+
 Result Variables
 ^^^^^^^^^^^^^^^^
 
@@ -1564,6 +1579,10 @@ if(CUDAToolkit_FOUND)
   endif()
 endif()
 
+if(CUDAToolkit_VERSION VERSION_GREATER_EQUAL 11.4)
+  _CUDAToolkit_find_and_add_import_lib(cufilt)
+endif()
+
 if(_CUDAToolkit_Pop_ROOT_PATH)
   list(REMOVE_AT CMAKE_FIND_ROOT_PATH 0)
   unset(_CUDAToolkit_Pop_ROOT_PATH)