[flang-commits] [flang] [flang][cuda] Allow to set the stack limit size (PR #124859)

[Michael Kruse via flang-commits]

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@@ -61,6 +65,15 @@ void fir::runtime::genMain(
   args.push_back(env);
 
   builder.create<fir::CallOp>(loc, startFn, args);
+
+#ifdef FLANG_CUDA_SUPPORT
+  if (initCuda) {
+    auto initFn = builder.createFunction(
----------------
Meinersbur wrote:

What should happen in the following cases?
 * Flang is compiled with `FLANG_CUDA_SUPPORT`, compiles a CUDA program, which is then executed in an environment without CUFRuntime. 
 *  Flang is compiled without `FLANG_CUDA_SUPPORT`, compiles a CUDA program which is then executed in an environment without CUFRuntime.
 *  Flang is compiled without `FLANG_CUDA_SUPPORT`, compiles a CUDA program which is then executed in an environment that supports CUDA.

https://github.com/llvm/llvm-project/pull/124859