================
@@ -0,0 +1,40 @@
+// RUN: fir-opt --omp-automap-to-target-data %s | FileCheck %s
+// Test OMP AutomapToTargetData pass.
+
+module {
+  fir.global
+      @_QMtestEarr{omp.declare_target = #omp.declaretarget<device_type = (any),
+                       capture_clause = (enter), automap = true>} target
+                       : !fir.box<!fir.heap<!fir.array<?xi32>>>
+
+      func.func @automap() {
+    %c0 = arith.constant 0 : index
+    %c10 = arith.constant 10 : i32
+    %addr = fir.address_of(@_QMtestEarr) : 
!fir.ref<!fir.box<!fir.heap<!fir.array<?xi32>>>>
+    %decl:2 = hlfir.declare %addr {fortran_attrs = #fir.var_attrs<allocatable, 
target>, uniq_name = "_QMtestEarr"} : 
(!fir.ref<!fir.box<!fir.heap<!fir.array<?xi32>>>>) -> 
(!fir.ref<!fir.box<!fir.heap<!fir.array<?xi32>>>>, 
!fir.ref<!fir.box<!fir.heap<!fir.array<?xi32>>>>)
+    %idx = fir.convert %c10 : (i32) -> index
+    %cond = arith.cmpi sgt, %idx, %c0 : index
+    %n = arith.select %cond, %idx, %c0 : index
+    %mem = fir.allocmem !fir.array<?xi32>, %n {fir.must_be_heap = true}
+    %shape = fir.shape %n : (index) -> !fir.shape<1>
+    %box = fir.embox %mem(%shape) : (!fir.heap<!fir.array<?xi32>>, 
!fir.shape<1>) -> !fir.box<!fir.heap<!fir.array<?xi32>>>
+    fir.store %box to %decl#0 : 
!fir.ref<!fir.box<!fir.heap<!fir.array<?xi32>>>>
+    %ld = fir.load %decl#0 : !fir.ref<!fir.box<!fir.heap<!fir.array<?xi32>>>>
+    %base = fir.box_addr %ld : (!fir.box<!fir.heap<!fir.array<?xi32>>>) -> 
!fir.heap<!fir.array<?xi32>>
+    fir.freemem %base : !fir.heap<!fir.array<?xi32>>
+    %undef = fir.zero_bits !fir.heap<!fir.array<?xi32>>
+    %sh0 = fir.shape %c0 : (index) -> !fir.shape<1>
+    %empty = fir.embox %undef(%sh0) : (!fir.heap<!fir.array<?xi32>>, 
!fir.shape<1>) -> !fir.box<!fir.heap<!fir.array<?xi32>>>
+    fir.store %empty to %decl#0 : 
!fir.ref<!fir.box<!fir.heap<!fir.array<?xi32>>>>
+    return
+  }
+}
+
+// CHECK-LABEL: func.func @automap()
+// CHECK: fir.allocmem
+// CHECK: fir.store
+// CHECK: omp.map.info {{.*}}map_clauses(to)
+// CHECK: omp.target_enter_data
+// CHECK: omp.map.info {{.*}}map_clauses(delete)
+// CHECK: omp.target_exit_data
+// CHECK: fir.freemem
----------------
skatrak wrote:

Nit: I think we should also test how values defined by these ops are passed to 
the other ops, not just checking that the expected ops are there. Also it would 
be good to check that uses of the global variable are placed between the 
`omp.target_enter_data` and `omp.target_exit_data`.

https://github.com/llvm/llvm-project/pull/151989
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