1 files changed, 18 insertions, 0 deletions
diff --git a/flang/test/HLFIR/shapeof.fir b/flang/test/HLFIR/shapeof.fir
index b91efc276b62..43e22dd320c1 100644
--- a/flang/test/HLFIR/shapeof.fir
+++ b/flang/test/HLFIR/shapeof.fir
@@ -27,3 +27,21 @@ func.func @shapeof2(%arg0: !hlfir.expr<?x2xi32>) -> !fir.shape<2> {
 // CHECK-ALL:          %[[EXPR:.*]]: !hlfir.expr<?x2xi32>
 // CHECK-ALL-NEXT:   %[[SHAPE:.*]] = hlfir.shape_of %[[EXPR]] : (!hlfir.expr<?x2xi32>) -> !fir.shape<2>
 // CHECK-ALL-NEXT:   return %[[SHAPE]]
+
+// Checks hlfir.elemental -> hlfir.shape_of folding
+func.func @shapeof_fold1(%extent: index) -> !fir.shape<1> {
+  %shape1 = fir.shape %extent : (index) -> !fir.shape<1>
+  %elem = hlfir.elemental %shape1 : (!fir.shape<1>) -> !hlfir.expr<?xindex> {
+    hlfir.yield_element %extent : index
+  }
+  %shape2 = hlfir.shape_of %elem : (!hlfir.expr<?xindex>) -> !fir.shape<1>
+  return %shape2 : !fir.shape<1>
+}
+// CHECK-ALL-LABEL:   func.func @shapeof_fold1(
+// CHECK-ALL-SAME:        %[[VAL_0:.*]]: index) -> !fir.shape<1> {
+// CHECK-CANON-NEXT:    %[[VAL_1:.*]] = fir.shape %[[VAL_0]] : (index) -> !fir.shape<1>
+// CHECK-CANON-NEXT:    %[[VAL_2:.*]] = hlfir.elemental %[[VAL_1]] : (!fir.shape<1>) -> !hlfir.expr<?xindex> {
+// CHECK-CANON-NEXT:      hlfir.yield_element %[[VAL_0]] : index
+// CHECK-CANON-NEXT:    }
+// CHECK-CANON-NEXT:    return %[[VAL_1]] : !fir.shape<1>
+// CHECK-CANON-NEXT:  }