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

[Peter Klausler via flang-commits]

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@@ -143,6 +143,17 @@ void ExecutionEnvironment::Configure(int ac, const char *av[],
     }
   }
 
+  if (auto *x{std::getenv("CUDA_STACKLIMIT")}) {
+    char *end;
+    auto n{std::strtol(x, &end, 10)};
+    if (n >= 0 && n < std::numeric_limits<int>::max() && *end == '\0') {
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klausler wrote:

cudaStackLimit is declared with `std::size_t` below; testing against the max signed int may be too restrictive.

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