flang/test/Lower/call-parenthesized-arg.f90

   1 ! Test that temps are always created of parenthesized arguments in
   2 ! calls.
   3 ! RUN: bbc -emit-fir %s -o - | FileCheck %s
   4
   5 ! CHECK-LABEL: func @_QPfoo_num_scalar(
   6 ! CHECK-SAME:      %[[VAL_0:.*]]: !fir.ref<i32>{{.*}}) {
   7 subroutine foo_num_scalar(x)
   8   integer :: x
   9 ! CHECK:         %[[VAL_1:.*]] = fir.alloca i32
  10   call bar_num_scalar(x)
  11 ! CHECK:         fir.call @_QPbar_num_scalar(%[[VAL_0]]) {{.*}}: (!fir.ref<i32>) -> ()
  12   call bar_num_scalar((x))
  13 ! CHECK:         %[[VAL_2:.*]] = fir.load %[[VAL_0]] : !fir.ref<i32>
  14 ! CHECK:         %[[VAL_3:.*]] = fir.no_reassoc %[[VAL_2]] : i32
  15 ! CHECK:         fir.store %[[VAL_3]] to %[[VAL_1]] : !fir.ref<i32>
  16 ! CHECK:         fir.call @_QPbar_num_scalar(%[[VAL_1]]) {{.*}}: (!fir.ref<i32>) -> ()
  17 ! CHECK:         return
  18 ! CHECK:       }
  19 end subroutine
  20
  21 ! CHECK-LABEL: func @_QPfoo_char_scalar(
  22 ! CHECK-SAME:         %[[VAL_0:.*]]: !fir.boxchar<1>{{.*}}) {
  23 subroutine foo_char_scalar(x)
  24   character(5) :: x
  25 ! CHECK:           %[[VAL_1:.*]]:2 = fir.unboxchar %[[VAL_0]] : (!fir.boxchar<1>) -> (!fir.ref<!fir.char<1,?>>, index)
  26 ! CHECK:           %[[VAL_3:.*]] = fir.convert %[[VAL_1]]#0 : (!fir.ref<!fir.char<1,?>>) -> !fir.ref<!fir.char<1,5>>
  27 ! CHECK:           %[[VAL_2:.*]] = arith.constant 5 : index
  28 ! CHECK:           %[[VAL_5:.*]] = fir.emboxchar %[[VAL_3]], %[[VAL_2]] : (!fir.ref<!fir.char<1,5>>, index) -> !fir.boxchar<1>
  29 ! CHECK:           fir.call @_QPbar_char_scalar(%[[VAL_5]]) fastmath<contract> : (!fir.boxchar<1>) -> ()
  30   call bar_char_scalar(x)
  31 ! CHECK:           %[[VAL_6:.*]] = fir.no_reassoc %[[VAL_3]] : !fir.ref<!fir.char<1,5>>
  32 ! CHECK:           %[[VAL_7:.*]] = fir.alloca !fir.char<1,5> {bindc_name = ".chrtmp"}
  33 ! CHECK:           %[[VAL_8:.*]] = arith.constant 1 : i64
  34 ! CHECK:           %[[VAL_9:.*]] = fir.convert %[[VAL_2]] : (index) -> i64
  35 ! CHECK:           %[[VAL_10:.*]] = arith.muli %[[VAL_8]], %[[VAL_9]] : i64
  36 ! CHECK:           %[[VAL_11:.*]] = arith.constant false
  37 ! CHECK:           %[[VAL_12:.*]] = fir.convert %[[VAL_7]] : (!fir.ref<!fir.char<1,5>>) -> !fir.ref<i8>
  38 ! CHECK:           %[[VAL_13:.*]] = fir.convert %[[VAL_6]] : (!fir.ref<!fir.char<1,5>>) -> !fir.ref<i8>
  39 ! CHECK:           fir.call @llvm.memmove.p0.p0.i64(%[[VAL_12]], %[[VAL_13]], %[[VAL_10]], %[[VAL_11]]) fastmath<contract> : (!fir.ref<i8>, !fir.ref<i8>, i64, i1) -> ()
  40 ! CHECK:           %[[VAL_15:.*]] = fir.emboxchar %[[VAL_7]], %[[VAL_2]] : (!fir.ref<!fir.char<1,5>>, index) -> !fir.boxchar<1>
  41 ! CHECK:           fir.call @_QPbar_char_scalar(%[[VAL_15]]) fastmath<contract> : (!fir.boxchar<1>) -> ()
  42 ! CHECK:           return
  43 ! CHECK:         }
  44   call bar_char_scalar((x))
  45 end subroutine
  46
  47 ! CHECK-LABEL: func @_QPfoo_num_array(
  48 ! CHECK-SAME:                         %[[VAL_0:.*]]: !fir.ref<!fir.array<100xi32>>{{.*}}) {
  49 subroutine foo_num_array(x)
  50   integer :: x(100)
  51   call bar_num_array(x)
  52 ! CHECK:         %[[VAL_1:.*]] = arith.constant 100 : index
  53 ! CHECK:         fir.call @_QPbar_num_array(%[[VAL_0]]) {{.*}}: (!fir.ref<!fir.array<100xi32>>) -> ()
  54   call bar_num_array((x))
  55 ! CHECK:         %[[VAL_3:.*]] = arith.constant 100 : index
  56 ! CHECK:         %[[VAL_4:.*]] = fir.shape %[[VAL_1]] : (index) -> !fir.shape<1>
  57 ! CHECK:         %[[VAL_5:.*]] = fir.array_load %[[VAL_0]](%[[VAL_4]]) : (!fir.ref<!fir.array<100xi32>>, !fir.shape<1>) -> !fir.array<100xi32>
  58 ! CHECK:         %[[VAL_6:.*]] = fir.allocmem !fir.array<100xi32>
  59 ! CHECK:         %[[VAL_7:.*]] = fir.shape %[[VAL_3]] : (index) -> !fir.shape<1>
  60 ! CHECK:         %[[VAL_8:.*]] = fir.array_load %[[VAL_6]](%[[VAL_7]]) : (!fir.heap<!fir.array<100xi32>>, !fir.shape<1>) -> !fir.array<100xi32>
  61 ! CHECK:         %[[VAL_9:.*]] = arith.constant 1 : index
  62 ! CHECK:         %[[VAL_10:.*]] = arith.constant 0 : index
  63 ! CHECK:         %[[VAL_11:.*]] = arith.subi %[[VAL_3]], %[[VAL_9]] : index
  64 ! CHECK:         %[[VAL_12:.*]] = fir.do_loop %[[VAL_13:.*]] = %[[VAL_10]] to %[[VAL_11]] step %[[VAL_9]] unordered iter_args(%[[VAL_14:.*]] = %[[VAL_8]]) -> (!fir.array<100xi32>) {
  65 ! CHECK:           %[[VAL_15:.*]] = fir.array_fetch %[[VAL_5]], %[[VAL_13]] : (!fir.array<100xi32>, index) -> i32
  66 ! CHECK:           %[[VAL_16:.*]] = fir.no_reassoc %[[VAL_15]] : i32
  67 ! CHECK:           %[[VAL_17:.*]] = fir.array_update %[[VAL_14]], %[[VAL_16]], %[[VAL_13]] : (!fir.array<100xi32>, i32, index) -> !fir.array<100xi32>
  68 ! CHECK:           fir.result %[[VAL_17]] : !fir.array<100xi32>
  69 ! CHECK:         }
  70 ! CHECK:         fir.array_merge_store %[[VAL_8]], %[[VAL_18:.*]] to %[[VAL_6]] : !fir.array<100xi32>, !fir.array<100xi32>, !fir.heap<!fir.array<100xi32>>
  71 ! CHECK:         %[[VAL_19:.*]] = fir.convert %[[VAL_6]] : (!fir.heap<!fir.array<100xi32>>) -> !fir.ref<!fir.array<100xi32>>
  72 ! CHECK:         fir.call @_QPbar_num_array(%[[VAL_19]]) {{.*}}: (!fir.ref<!fir.array<100xi32>>) -> ()
  73 ! CHECK:         fir.freemem %[[VAL_6]] : !fir.heap<!fir.array<100xi32>>
  74 ! CHECK:         return
  75 ! CHECK:       }
  76 end subroutine
  77
  78 ! CHECK-LABEL: func @_QPfoo_char_array(
  79 ! CHECK-SAME:                          %[[VAL_0:.*]]: !fir.boxchar<1>{{.*}}) {
  80 subroutine foo_char_array(x)
  81   ! CHECK: %[[VAL_1:.*]]:2 = fir.unboxchar %[[VAL_0]] : (!fir.boxchar<1>) -> (!fir.ref<!fir.char<1,?>>, index)
  82   ! CHECK: %[[VAL_3:.*]] = fir.convert %[[VAL_1]]#0 : (!fir.ref<!fir.char<1,?>>) -> !fir.ref<!fir.array<100x!fir.char<1,10>>>
  83   ! CHECK: %[[VAL_2:.*]] = arith.constant 10 : index
  84   ! CHECK: %[[VAL_4:.*]] = arith.constant 100 : index
  85   ! CHECK: %[[VAL_5:.*]] = fir.convert %[[VAL_3]] : (!fir.ref<!fir.array<100x!fir.char<1,10>>>) -> !fir.ref<!fir.char<1,?>>
  86   ! CHECK: %[[VAL_6:.*]] = fir.emboxchar %[[VAL_5]], %[[VAL_2]] : (!fir.ref<!fir.char<1,?>>, index) -> !fir.boxchar<1>
  87   ! CHECK: fir.call @_QPbar_char_array(%[[VAL_6]]) {{.*}}: (!fir.boxchar<1>) -> ()
  88   ! CHECK: %[[VAL_8:.*]] = arith.constant 100 : index
  89   ! CHECK: %[[VAL_9:.*]] = fir.shape %[[VAL_4]] : (index) -> !fir.shape<1>
  90   ! CHECK: %[[VAL_10:.*]] = fir.array_load %[[VAL_3]](%[[VAL_9]]) : (!fir.ref<!fir.array<100x!fir.char<1,10>>>, !fir.shape<1>) -> !fir.array<100x!fir.char<1,10>>
  91   ! CHECK: %[[VAL_11:.*]] = fir.allocmem !fir.array<100x!fir.char<1,10>>
  92   ! CHECK: %[[VAL_12:.*]] = fir.shape %[[VAL_8]] : (index) -> !fir.shape<1>
  93   ! CHECK: %[[VAL_13:.*]] = fir.array_load %[[VAL_11]](%[[VAL_12]]) : (!fir.heap<!fir.array<100x!fir.char<1,10>>>, !fir.shape<1>) -> !fir.array<100x!fir.char<1,10>>
  94   ! CHECK: %[[VAL_14:.*]] = arith.constant 1 : index
  95   ! CHECK: %[[VAL_15:.*]] = arith.constant 0 : index
  96   ! CHECK: %[[VAL_16:.*]] = arith.subi %[[VAL_8]], %[[VAL_14]] : index
  97   ! CHECK: %[[VAL_17:.*]] = fir.do_loop %[[VAL_18:.*]] = %[[VAL_15]] to %[[VAL_16]] step %[[VAL_14]] unordered iter_args(%[[VAL_19:.*]] = %[[VAL_13]]) -> (!fir.array<100x!fir.char<1,10>>) {
  98   ! CHECK: %[[VAL_20:.*]] = fir.array_access %[[VAL_10]], %[[VAL_18]] : (!fir.array<100x!fir.char<1,10>>, index) -> !fir.ref<!fir.char<1,10>>
  99   ! CHECK: %[[VAL_21:.*]] = fir.no_reassoc %[[VAL_20]] : !fir.ref<!fir.char<1,10>>
 100   ! CHECK: %[[VAL_22:.*]] = fir.array_access %[[VAL_19]], %[[VAL_18]] : (!fir.array<100x!fir.char<1,10>>, index) -> !fir.ref<!fir.char<1,10>>
 101   ! CHECK: %[[VAL_23:.*]] = arith.constant 10 : index
 102   ! CHECK: %[[VAL_24:.*]] = arith.constant 1 : i64
 103   ! CHECK: %[[VAL_25:.*]] = fir.convert %[[VAL_23]] : (index) -> i64
 104   ! CHECK: %[[VAL_26:.*]] = arith.muli %[[VAL_24]], %[[VAL_25]] : i64
 105   ! CHECK: %[[VAL_27:.*]] = arith.constant false
 106   ! CHECK: %[[VAL_28:.*]] = fir.convert %[[VAL_22]] : (!fir.ref<!fir.char<1,10>>) -> !fir.ref<i8>
 107   ! CHECK: %[[VAL_29:.*]] = fir.convert %[[VAL_21]] : (!fir.ref<!fir.char<1,10>>) -> !fir.ref<i8>
 108   ! CHECK: fir.call @llvm.memmove.p0.p0.i64(%[[VAL_28]], %[[VAL_29]], %[[VAL_26]], %[[VAL_27]]) {{.*}}: (!fir.ref<i8>, !fir.ref<i8>, i64, i1) -> ()
 109   ! CHECK: %[[VAL_30:.*]] = fir.array_amend %[[VAL_19]], %[[VAL_22]] : (!fir.array<100x!fir.char<1,10>>, !fir.ref<!fir.char<1,10>>) -> !fir.array<100x!fir.char<1,10>>
 110   ! CHECK: fir.result %[[VAL_30]] : !fir.array<100x!fir.char<1,10>>
 111   ! CHECK: }
 112   ! CHECK: fir.array_merge_store %[[VAL_13]], %[[VAL_31:.*]] to %[[VAL_11]] : !fir.array<100x!fir.char<1,10>>, !fir.array<100x!fir.char<1,10>>, !fir.heap<!fir.array<100x!fir.char<1,10>>>
 113   ! CHECK: %[[VAL_32:.*]] = arith.constant 10 : index
 114   ! CHECK: %[[VAL_33:.*]] = fir.convert %[[VAL_11]] : (!fir.heap<!fir.array<100x!fir.char<1,10>>>) -> !fir.ref<!fir.char<1,?>>
 115   ! CHECK: %[[VAL_34:.*]] = fir.emboxchar %[[VAL_33]], %[[VAL_32]] : (!fir.ref<!fir.char<1,?>>, index) -> !fir.boxchar<1>
 116   ! CHECK: fir.call @_QPbar_char_array(%[[VAL_34]]) {{.*}}: (!fir.boxchar<1>) -> ()
 117   ! CHECK: fir.freemem %[[VAL_11]] : !fir.heap<!fir.array<100x!fir.char<1,10>>>
 118
 119   character(10) :: x(100)
 120   call bar_char_array(x)
 121   call bar_char_array((x))
 122   ! CHECK:         return
 123   ! CHECK:       }
 124 end subroutine
 125
 126 ! CHECK-LABEL: func @_QPfoo_num_array_box(
 127 ! CHECK-SAME:                             %[[VAL_0:.*]]: !fir.ref<!fir.array<100xi32>>{{.*}}) {
 128 subroutine foo_num_array_box(x)
 129   ! CHECK: %[[VAL_1:.*]] = arith.constant 100 : index
 130   ! CHECK: %[[VAL_2:.*]] = fir.shape %[[VAL_1]] : (index) -> !fir.shape<1>
 131   ! CHECK: %[[VAL_3:.*]] = fir.embox %[[VAL_0]](%[[VAL_2]]) : (!fir.ref<!fir.array<100xi32>>, !fir.shape<1>) -> !fir.box<!fir.array<100xi32>>
 132   ! CHECK: %[[VAL_4:.*]] = fir.convert %[[VAL_3]] : (!fir.box<!fir.array<100xi32>>) -> !fir.box<!fir.array<?xi32>>
 133   ! CHECK: fir.call @_QPbar_num_array_box(%[[VAL_4]]) {{.*}}: (!fir.box<!fir.array<?xi32>>) -> ()
 134   ! CHECK: %[[VAL_6:.*]] = arith.constant 100 : index
 135   ! CHECK: %[[VAL_7:.*]] = fir.shape %[[VAL_1]] : (index) -> !fir.shape<1>
 136   ! CHECK: %[[VAL_8:.*]] = fir.array_load %[[VAL_0]](%[[VAL_7]]) : (!fir.ref<!fir.array<100xi32>>, !fir.shape<1>) -> !fir.array<100xi32>
 137   ! CHECK: %[[VAL_9:.*]] = fir.allocmem !fir.array<100xi32>
 138   ! CHECK: %[[VAL_10:.*]] = fir.shape %[[VAL_6]] : (index) -> !fir.shape<1>
 139   ! CHECK: %[[VAL_11:.*]] = fir.array_load %[[VAL_9]](%[[VAL_10]]) : (!fir.heap<!fir.array<100xi32>>, !fir.shape<1>) -> !fir.array<100xi32>
 140   ! CHECK: %[[VAL_12:.*]] = arith.constant 1 : index
 141   ! CHECK: %[[VAL_13:.*]] = arith.constant 0 : index
 142   ! CHECK: %[[VAL_14:.*]] = arith.subi %[[VAL_6]], %[[VAL_12]] : index
 143   ! CHECK: %[[VAL_15:.*]] = fir.do_loop %[[VAL_16:.*]] = %[[VAL_13]] to %[[VAL_14]] step %[[VAL_12]] unordered iter_args(%[[VAL_17:.*]] = %[[VAL_11]]) -> (!fir.array<100xi32>) {
 144   ! CHECK: %[[VAL_18:.*]] = fir.array_fetch %[[VAL_8]], %[[VAL_16]] : (!fir.array<100xi32>, index) -> i32
 145   ! CHECK: %[[VAL_19:.*]] = fir.no_reassoc %[[VAL_18]] : i32
 146   ! CHECK: %[[VAL_20:.*]] = fir.array_update %[[VAL_17]], %[[VAL_19]], %[[VAL_16]] : (!fir.array<100xi32>, i32, index) -> !fir.array<100xi32>
 147   ! CHECK: fir.result %[[VAL_20]] : !fir.array<100xi32>
 148   ! CHECK: }
 149   ! CHECK: fir.array_merge_store %[[VAL_11]], %[[VAL_21:.*]] to %[[VAL_9]] : !fir.array<100xi32>, !fir.array<100xi32>, !fir.heap<!fir.array<100xi32>>
 150   ! CHECK: %[[VAL_22:.*]] = fir.shape %[[VAL_6]] : (index) -> !fir.shape<1>
 151   ! CHECK: %[[VAL_23:.*]] = fir.embox %[[VAL_9]](%[[VAL_22]]) : (!fir.heap<!fir.array<100xi32>>, !fir.shape<1>) -> !fir.box<!fir.array<100xi32>>
 152   ! CHECK: %[[VAL_24:.*]] = fir.convert %[[VAL_23]] : (!fir.box<!fir.array<100xi32>>) -> !fir.box<!fir.array<?xi32>>
 153   ! CHECK: fir.call @_QPbar_num_array_box(%[[VAL_24]]) {{.*}}: (!fir.box<!fir.array<?xi32>>) -> ()
 154   ! CHECK: fir.freemem %[[VAL_9]] : !fir.heap<!fir.array<100xi32>>
 155
 156   integer :: x(100)
 157   interface
 158    subroutine bar_num_array_box(x)
 159      integer :: x(:)
 160    end subroutine
 161   end interface
 162   call bar_num_array_box(x)
 163   call bar_num_array_box((x))
 164 ! CHECK:         return
 165 ! CHECK:       }
 166 end subroutine
 167
 168 ! CHECK-LABEL: func @_QPfoo_char_array_box(
 169 ! CHECK-SAME:          %[[VAL_0:.*]]: !fir.boxchar<1>{{.*}}, %[[VAL_1:.*]]: !fir.ref<i32>{{.*}}) {
 170 subroutine foo_char_array_box(x, n)
 171   ! CHECK: %[[VAL_2:.*]]:2 = fir.unboxchar %[[VAL_0]] : (!fir.boxchar<1>) -> (!fir.ref<!fir.char<1,?>>, index)
 172   ! CHECK: %[[VAL_3:.*]] = fir.convert %[[VAL_2]]#0 : (!fir.ref<!fir.char<1,?>>) -> !fir.ref<!fir.array<?x!fir.char<1,10>>>
 173   ! CHECK: %[[VAL_4:.*]] = fir.load %[[VAL_1]] : !fir.ref<i32>
 174   ! CHECK: %[[VAL_5:.*]] = fir.convert %[[VAL_4]] : (i32) -> i64
 175   ! CHECK: %[[VAL_6A:.*]] = fir.convert %[[VAL_5]] : (i64) -> index
 176   ! CHECK: %[[C0:.*]] = arith.constant 0 : index
 177   ! CHECK: %[[CMP:.*]] = arith.cmpi sgt, %[[VAL_6A]], %[[C0]] : index
 178   ! CHECK: %[[VAL_6:.*]] = arith.select %[[CMP]], %[[VAL_6A]], %[[C0]] : index
 179   ! CHECK: %[[VAL_7:.*]] = fir.shape %[[VAL_6]] : (index) -> !fir.shape<1>
 180   ! CHECK: %[[VAL_8:.*]] = fir.embox %[[VAL_3]](%[[VAL_7]]) : (!fir.ref<!fir.array<?x!fir.char<1,10>>>, !fir.shape<1>) -> !fir.box<!fir.array<?x!fir.char<1,10>>>
 181   ! CHECK: %[[VAL_9:.*]] = fir.convert %[[VAL_8]] : (!fir.box<!fir.array<?x!fir.char<1,10>>>) -> !fir.box<!fir.array<?x!fir.char<1,?>>>
 182   ! CHECK: fir.call @_QPbar_char_array_box(%[[VAL_9]]) {{.*}}: (!fir.box<!fir.array<?x!fir.char<1,?>>>) -> ()
 183   ! CHECK: %[[VAL_10:.*]] = fir.shape %[[VAL_6]] : (index) -> !fir.shape<1>
 184   ! CHECK: %[[VAL_11:.*]] = fir.array_load %[[VAL_3]](%[[VAL_10]]) : (!fir.ref<!fir.array<?x!fir.char<1,10>>>, !fir.shape<1>) -> !fir.array<?x!fir.char<1,10>>
 185   ! CHECK: %[[VAL_12:.*]] = fir.allocmem !fir.array<?x!fir.char<1,10>>, %[[VAL_6]] {uniq_name = ".array.expr"}
 186   ! CHECK: %[[VAL_13:.*]] = fir.shape %[[VAL_6]] : (index) -> !fir.shape<1>
 187   ! CHECK: %[[VAL_14:.*]] = fir.array_load %[[VAL_12]](%[[VAL_13]]) : (!fir.heap<!fir.array<?x!fir.char<1,10>>>, !fir.shape<1>) -> !fir.array<?x!fir.char<1,10>>
 188   ! CHECK: %[[VAL_15:.*]] = arith.constant 1 : index
 189   ! CHECK: %[[VAL_16:.*]] = arith.constant 0 : index
 190   ! CHECK: %[[VAL_17:.*]] = arith.subi %[[VAL_6]], %[[VAL_15]] : index
 191   ! CHECK: %[[VAL_18:.*]] = fir.do_loop %[[VAL_19:.*]] = %[[VAL_16]] to %[[VAL_17]] step %[[VAL_15]] unordered iter_args(%[[VAL_20:.*]] = %[[VAL_14]]) -> (!fir.array<?x!fir.char<1,10>>) {
 192   ! CHECK: %[[VAL_21:.*]] = fir.array_access %[[VAL_11]], %[[VAL_19]] : (!fir.array<?x!fir.char<1,10>>, index) -> !fir.ref<!fir.char<1,10>>
 193   ! CHECK: %[[VAL_22:.*]] = fir.no_reassoc %[[VAL_21]] : !fir.ref<!fir.char<1,10>>
 194   ! CHECK: %[[VAL_23:.*]] = fir.array_access %[[VAL_20]], %[[VAL_19]] : (!fir.array<?x!fir.char<1,10>>, index) -> !fir.ref<!fir.char<1,10>>
 195   ! CHECK: %[[VAL_24:.*]] = arith.constant 10 : index
 196   ! CHECK: %[[VAL_25:.*]] = arith.constant 1 : i64
 197   ! CHECK: %[[VAL_26:.*]] = fir.convert %[[VAL_24]] : (index) -> i64
 198   ! CHECK: %[[VAL_27:.*]] = arith.muli %[[VAL_25]], %[[VAL_26]] : i64
 199   ! CHECK: %[[VAL_28:.*]] = arith.constant false
 200   ! CHECK: %[[VAL_29:.*]] = fir.convert %[[VAL_23]] : (!fir.ref<!fir.char<1,10>>) -> !fir.ref<i8>
 201   ! CHECK: %[[VAL_30:.*]] = fir.convert %[[VAL_22]] : (!fir.ref<!fir.char<1,10>>) -> !fir.ref<i8>
 202   ! CHECK: fir.call @llvm.memmove.p0.p0.i64(%[[VAL_29]], %[[VAL_30]], %[[VAL_27]], %[[VAL_28]]) {{.*}}: (!fir.ref<i8>, !fir.ref<i8>, i64, i1) -> ()
 203   ! CHECK: %[[VAL_31:.*]] = fir.array_amend %[[VAL_20]], %[[VAL_23]] : (!fir.array<?x!fir.char<1,10>>, !fir.ref<!fir.char<1,10>>) -> !fir.array<?x!fir.char<1,10>>
 204   ! CHECK: fir.result %[[VAL_31]] : !fir.array<?x!fir.char<1,10>>
 205   ! CHECK: }
 206   ! CHECK: fir.array_merge_store %[[VAL_14]], %[[VAL_32:.*]] to %[[VAL_12]] : !fir.array<?x!fir.char<1,10>>, !fir.array<?x!fir.char<1,10>>, !fir.heap<!fir.array<?x!fir.char<1,10>>>
 207   ! CHECK: %[[VAL_33:.*]] = fir.shape %[[VAL_6]] : (index) -> !fir.shape<1>
 208   ! CHECK: %[[VAL_34:.*]] = fir.embox %[[VAL_12]](%[[VAL_33]]) : (!fir.heap<!fir.array<?x!fir.char<1,10>>>, !fir.shape<1>) -> !fir.box<!fir.array<?x!fir.char<1,10>>>
 209   ! CHECK: %[[VAL_35:.*]] = fir.convert %[[VAL_34]] : (!fir.box<!fir.array<?x!fir.char<1,10>>>) -> !fir.box<!fir.array<?x!fir.char<1,?>>>
 210   ! CHECK: fir.call @_QPbar_char_array_box(%[[VAL_35]]) {{.*}}: (!fir.box<!fir.array<?x!fir.char<1,?>>>) -> ()
 211   ! CHECK: fir.freemem %[[VAL_12]] : !fir.heap<!fir.array<?x!fir.char<1,10>>>
 212
 213   integer :: n
 214   character(10) :: x(n)
 215   interface
 216    subroutine bar_char_array_box(x)
 217      character(*) :: x(:)
 218    end subroutine
 219   end interface
 220   call bar_char_array_box(x)
 221   call bar_char_array_box((x))
 222   ! CHECK:         return
 223   ! CHECK:       }
 224 end subroutine