[llvm] [Offload] Add `--kernel <name>` command to `llvm-gpu-loader` (PR #213738)

[Joseph Huber via llvm-commits]

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@@ -164,6 +169,11 @@ ol_device_handle_t getHostDevice() {
   return Device;
 }
 
+static bool hasKernel(ol_program_handle_t Program, const char *Name) {
+  ol_symbol_handle_t Kernel;
+  return !olGetSymbol(Program, Name, OL_SYMBOL_KIND_KERNEL, &Kernel);
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jhuber6 wrote:

Pretty sure it returns a not found error, but I can double check.

https://github.com/llvm/llvm-project/pull/213738