================
@@ -5934,6 +5938,40 @@ IntrinsicLibrary::genSum(mlir::Type resultType,
resultType, args);
}
+// SYSTEM
+void IntrinsicLibrary::genSystem(llvm::ArrayRef<fir::ExtendedValue> args) {
+ assert(args.size() == 2);
+ mlir::Value command = fir::getBase(args[0]);
+ const fir::ExtendedValue &exitstat = args[1];
+
+ if (!command)
+ fir::emitFatalError(loc, "expected COMMAND parameter");
+
+ mlir::Type boxNoneTy = fir::BoxType::get(builder.getNoneType());
+
+ mlir::Value waitBool = builder.createBool(loc, true);
+ mlir::Value exitstatBox =
+ isStaticallyPresent(exitstat)
+ ? fir::getBase(exitstat)
+ : builder.create<fir::AbsentOp>(loc, boxNoneTy).getResult();
----------------
yi-wu-arm wrote:
If I understand correctly, it will pass a null descriptor, which will be handle
by an `if(exitstat)` here:
https://github.com/llvm/llvm-project/blob/ba5d92eb9c18a9037dd06a74f90ceba3f4e3ace9/flang/runtime/execute.cpp#L123
https://github.com/llvm/llvm-project/pull/74309
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