Add a todo for taskloop untied clause

Author: Thirumalai-Shaktivel

mlir/lib/Target/LLVMIR/Dialect/OpenMP/OpenMPToLLVMIRTranslation.cpp

@@ -263,6 +263,10 @@ static LogicalResult checkImplementationStatus(Operation &op) {
         checkDepend(op, result);
         checkNowait(op, result);
       })
+      .Case([&](omp::TaskloopOp op) {
+        // TODO: Add other clauses check
+        checkUntied(op, result);
+      })
       .Case([&](omp::WsloopOp op) {
         checkAllocate(op, result);
         checkLinear(op, result);

mlir/test/Target/LLVMIR/openmp-todo.mlir

@@ -510,6 +510,19 @@ llvm.func @taskloop(%lb : i32, %ub : i32, %step : i32) {
 
 // -----
 
+llvm.func @taskloop_untied(%lb : i32, %ub : i32, %step : i32) {
+  // expected-error@below {{not yet implemented: omp.taskloop}}
+  // expected-error@below {{LLVM Translation failed for operation: omp.taskloop}}
+  omp.taskloop untied {
+    omp.loop_nest (%iv) : i32 = (%lb) to (%ub) step (%step) {
+      omp.yield
+    }
+  }
+  llvm.return
+}
+
+// -----
+
 llvm.func @taskwait_depend(%x: !llvm.ptr) {
   // expected-error@below {{not yet implemented: Unhandled clause depend in omp.taskwait operation}}
   // expected-error@below {{LLVM Translation failed for operation: omp.taskwait}}