[clang] [LinkerWrapper] Pass all files to the device linker (PR #97573)

[Joseph Huber via cfe-commits]

================
@@ -0,0 +1,64 @@
+====================
+Clang nvlink Wrapper
+====================
+
+.. contents::
+   :local:
+
+.. _clang-nvlink-wrapper:
+
+Introduction
+============
+
+This tools works as a wrapper around the NVIDIA ``nvlink`` linker. The purpose 
+of this wrapper is to provide an interface similar to the ``ld.lld`` linker 
+while still relying on NVIDIA's proprietary linker to produce the final output. 
+Features include, static archive (.a) linking, LTO, and accepting files ending 
+in ``.o`` without error.
+
+Usage
+=====
+
+This tool can be used with the following options. Any arguments not intended
+only for the linker wrapper will be forwarded to ``nvlink``.
+
+.. code-block:: console
+
+  OVERVIEW: A utility that wraps around the NVIDIA 'nvlink' linker.
+  This enables static linking and LTO handling for NVPTX targets.
+
+  USAGE: clang-nvlink-wrapper [options] <options to passed to nvlink>
+
+  OPTIONS:
+    --arch <value>       Specify the 'sm_' name of the target architecture.
+    --cuda-path=<dir>    Set the system CUDA path
+    --dry-run            Print generated commands without running.
+    --feature <value>    Specify the '+ptx' freature to use for LTO.
+    -g                   Specify that this was a debug compile.
+    -help-hidden         Display all available options
+    -help                Display available options (--help-hidden for more)
+    -L <dir>             Add <dir> to the library search path
+    -l <libname>         Search for library <libname>
+    -mllvm <arg>         Arguments passed to LLVM, including Clang invocations, for which the '-mllvm' prefix is preserved. Use '-mllvm --help' for a list of options.
----------------
jhuber6 wrote:

Yep, can do that.

https://github.com/llvm/llvm-project/pull/97573