flang/test/Lower/dummy-argument-optional-2.f90

   1 ! Test passing pointer, allocatables, and optional assumed shapes to optional
   2 ! explicit shapes (see F2018 15.5.2.12).
   3 ! RUN: bbc -emit-fir %s -o - | FileCheck %s
   4 module optional_tests
   5 implicit none
   6 interface
   7 subroutine takes_opt_scalar(i)
   8   integer, optional :: i
   9 end subroutine
  10 subroutine takes_opt_scalar_char(c)
  11   character(*), optional :: c
  12 end subroutine
  13 subroutine takes_opt_explicit_shape(x)
  14   real, optional :: x(100)
  15 end subroutine
  16 subroutine takes_opt_explicit_shape_intentout(x)
  17   real, optional, intent(out) :: x(100)
  18 end subroutine
  19 subroutine takes_opt_explicit_shape_intentin(x)
  20   real, optional, intent(in) :: x(100)
  21 end subroutine
  22 subroutine takes_opt_explicit_shape_char(c)
  23   character(*), optional :: c(100)
  24 end subroutine
  25 function returns_pointer()
  26   real, pointer :: returns_pointer(:)
  27 end function
  28 end interface
  29 contains
  30
  31 ! -----------------------------------------------------------------------------
  32 !     Test passing scalar pointers and allocatables to an optional
  33 ! -----------------------------------------------------------------------------
  34 ! Here, nothing optional specific is expected, the address is passed, and its
  35 ! allocation/association status match the dummy presence status.
  36
  37 ! CHECK-LABEL: func @_QMoptional_testsPpass_pointer_scalar(
  38 ! CHECK-SAME:  %[[VAL_0:.*]]: !fir.ref<!fir.box<!fir.ptr<i32>>>{{.*}}) {
  39 subroutine pass_pointer_scalar(i)
  40   integer, pointer :: i
  41   call takes_opt_scalar(i)
  42 ! CHECK:         %[[VAL_1:.*]] = fir.load %[[VAL_0]] : !fir.ref<!fir.box<!fir.ptr<i32>>>
  43 ! CHECK:         %[[VAL_2:.*]] = fir.box_addr %[[VAL_1]] : (!fir.box<!fir.ptr<i32>>) -> !fir.ptr<i32>
  44 ! CHECK:         %[[VAL_3:.*]] = fir.convert %[[VAL_2]] : (!fir.ptr<i32>) -> !fir.ref<i32>
  45 ! CHECK:         fir.call @_QPtakes_opt_scalar(%[[VAL_3]]) {{.*}}: (!fir.ref<i32>) -> ()
  46 end subroutine
  47
  48 ! CHECK-LABEL: func @_QMoptional_testsPpass_allocatable_scalar(
  49 ! CHECK-SAME:  %[[VAL_0:.*]]: !fir.ref<!fir.box<!fir.heap<i32>>>{{.*}}) {
  50 subroutine pass_allocatable_scalar(i)
  51   integer, allocatable :: i
  52   call takes_opt_scalar(i)
  53 ! CHECK:         %[[VAL_1:.*]] = fir.load %[[VAL_0]] : !fir.ref<!fir.box<!fir.heap<i32>>>
  54 ! CHECK:         %[[VAL_2:.*]] = fir.box_addr %[[VAL_1]] : (!fir.box<!fir.heap<i32>>) -> !fir.heap<i32>
  55 ! CHECK:         %[[VAL_3:.*]] = fir.convert %[[VAL_2]] : (!fir.heap<i32>) -> !fir.ref<i32>
  56 ! CHECK:         fir.call @_QPtakes_opt_scalar(%[[VAL_3]]) {{.*}}: (!fir.ref<i32>) -> ()
  57 end subroutine
  58
  59 ! CHECK-LABEL: func @_QMoptional_testsPpass_pointer_scalar_char(
  60 ! CHECK-SAME:  %[[VAL_0:.*]]: !fir.ref<!fir.box<!fir.ptr<!fir.char<1,?>>>>{{.*}}) {
  61 subroutine pass_pointer_scalar_char(c)
  62   character(:), pointer :: c
  63   call takes_opt_scalar_char(c)
  64 ! CHECK:         %[[VAL_1:.*]] = fir.load %[[VAL_0]] : !fir.ref<!fir.box<!fir.ptr<!fir.char<1,?>>>>
  65 ! CHECK:         %[[VAL_2:.*]] = fir.box_elesize %[[VAL_1]] : (!fir.box<!fir.ptr<!fir.char<1,?>>>) -> index
  66 ! CHECK:         %[[VAL_3:.*]] = fir.box_addr %[[VAL_1]] : (!fir.box<!fir.ptr<!fir.char<1,?>>>) -> !fir.ptr<!fir.char<1,?>>
  67 ! CHECK:         %[[VAL_5:.*]] = fir.emboxchar %[[VAL_3]], %[[VAL_2]] : (!fir.ptr<!fir.char<1,?>>, index) -> !fir.boxchar<1>
  68 ! CHECK:         fir.call @_QPtakes_opt_scalar_char(%[[VAL_5]]) {{.*}}: (!fir.boxchar<1>) -> ()
  69 end subroutine
  70
  71 ! CHECK-LABEL: func @_QMoptional_testsPpass_allocatable_scalar_char(
  72 ! CHECK-SAME:  %[[VAL_0:.*]]: !fir.ref<!fir.box<!fir.heap<!fir.char<1,?>>>>{{.*}}) {
  73 subroutine pass_allocatable_scalar_char(c)
  74   character(:), allocatable :: c
  75   call takes_opt_scalar_char(c)
  76 ! CHECK:         %[[VAL_1:.*]] = fir.load %[[VAL_0]] : !fir.ref<!fir.box<!fir.heap<!fir.char<1,?>>>>
  77 ! CHECK:         %[[VAL_2:.*]] = fir.box_elesize %[[VAL_1]] : (!fir.box<!fir.heap<!fir.char<1,?>>>) -> index
  78 ! CHECK:         %[[VAL_3:.*]] = fir.box_addr %[[VAL_1]] : (!fir.box<!fir.heap<!fir.char<1,?>>>) -> !fir.heap<!fir.char<1,?>>
  79 ! CHECK:         %[[VAL_5:.*]] = fir.emboxchar %[[VAL_3]], %[[VAL_2]] : (!fir.heap<!fir.char<1,?>>, index) -> !fir.boxchar<1>
  80 ! CHECK:         fir.call @_QPtakes_opt_scalar_char(%[[VAL_5]]) {{.*}}: (!fir.boxchar<1>) -> ()
  81 end subroutine
  82
  83 ! -----------------------------------------------------------------------------
  84 !     Test passing non contiguous pointers to explicit shape optional
  85 ! -----------------------------------------------------------------------------
  86 ! The pointer descriptor can be unconditionally read, but the copy-in/copy-out
  87 ! must be conditional on the pointer association status in order to get the
  88 ! correct present/absent aspect.
  89
  90 ! CHECK-LABEL: func @_QMoptional_testsPpass_pointer_array(
  91 ! CHECK-SAME:  %[[VAL_0:.*]]: !fir.ref<!fir.box<!fir.ptr<!fir.array<?xf32>>>>{{.*}}) {
  92 subroutine pass_pointer_array(i)
  93   real, pointer :: i(:)
  94   call takes_opt_explicit_shape(i)
  95 ! CHECK:         %[[VAL_1:.*]] = fir.load %[[VAL_0]] : !fir.ref<!fir.box<!fir.ptr<!fir.array<?xf32>>>>
  96 ! CHECK:         %[[VAL_2:.*]] = fir.box_addr %[[VAL_1]] : (!fir.box<!fir.ptr<!fir.array<?xf32>>>) -> !fir.ptr<!fir.array<?xf32>>
  97 ! CHECK:         %[[VAL_3:.*]] = fir.convert %[[VAL_2]] : (!fir.ptr<!fir.array<?xf32>>) -> i64
  98 ! CHECK:         %[[VAL_4:.*]] = arith.constant 0 : i64
  99 ! CHECK:         %[[VAL_5:.*]] = arith.cmpi ne, %[[VAL_3]], %[[VAL_4]] : i64
 100 ! CHECK:         %[[box:.*]] = fir.load %[[VAL_0]] : !fir.ref<!fir.box<!fir.ptr<!fir.array<?xf32>>>>
 101 ! CHECK:         %[[VAL_7:.*]] = arith.constant 0 : index
 102 ! CHECK:         %[[box_none:.*]] = fir.convert %[[box]] : (!fir.box<!fir.ptr<!fir.array<?xf32>>>) -> !fir.box<none>
 103 ! CHECK:         %[[is_contiguous:.*]] = fir.call @_FortranAIsContiguous(%[[box_none]]) {{.*}}: (!fir.box<none>) -> i1
 104 ! CHECK:         %[[VAL_9:.*]] = fir.if %[[VAL_5]] -> (!fir.heap<!fir.array<?xf32>>) {
 105 ! CHECK:           %[[addr:.*]] = fir.if %[[is_contiguous]] -> (!fir.heap<!fir.array<?xf32>>) {
 106 ! CHECK:             %[[box_addr:.*]] = fir.box_addr %[[box]] : (!fir.box<!fir.ptr<!fir.array<?xf32>>>) -> !fir.heap<!fir.array<?xf32>>
 107 ! CHECK:             fir.result %[[box_addr]] : !fir.heap<!fir.array<?xf32>>
 108 ! CHECK:           } else {
 109 ! CHECK:           %[[VAL_10:.*]] = arith.constant 0 : index
 110 ! CHECK:           %[[VAL_11:.*]]:3 = fir.box_dims %[[box]], %[[VAL_10]] : (!fir.box<!fir.ptr<!fir.array<?xf32>>>, index) -> (index, index, index)
 111 ! CHECK:           %[[VAL_12:.*]] = fir.allocmem !fir.array<?xf32>, %[[VAL_11]]#1 {uniq_name = ".copyinout"}
 112 ! CHECK:           fir.call @_FortranAAssignTemporary
 113 ! CHECK:           fir.result %[[VAL_12]] : !fir.heap<!fir.array<?xf32>>
 114 ! CHECK:         } else {
 115 ! CHECK:           %[[VAL_26:.*]] = fir.zero_bits !fir.heap<!fir.array<?xf32>>
 116 ! CHECK:           fir.result %[[VAL_26]] : !fir.heap<!fir.array<?xf32>>
 117 ! CHECK:         }
 118 ! CHECK:         %[[not_contiguous:.*]] = arith.cmpi eq, %[[is_contiguous]], %false : i1
 119 ! CHECK:         %[[and:.*]] = arith.andi %[[VAL_5]], %[[not_contiguous]] : i1
 120 ! CHECK:         %[[VAL_29:.*]] = fir.convert %[[VAL_9]] : (!fir.heap<!fir.array<?xf32>>) -> !fir.ref<!fir.array<100xf32>>
 121 ! CHECK:         fir.call @_QPtakes_opt_explicit_shape(%[[VAL_29]]) {{.*}}: (!fir.ref<!fir.array<100xf32>>) -> ()
 122 ! CHECK:         fir.if %[[and]] {
 123 ! CHECK:           fir.call @_FortranACopyOutAssign
 124 ! CHECK:           fir.freemem %[[VAL_9]] : !fir.heap<!fir.array<?xf32>>
 125 ! CHECK:         }
 126 end subroutine
 127
 128 ! CHECK-LABEL: func @_QMoptional_testsPpass_pointer_array_char(
 129 ! CHECK-SAME:  %[[VAL_0:.*]]: !fir.ref<!fir.box<!fir.ptr<!fir.array<?x!fir.char<1,?>>>>>{{.*}}) {
 130 subroutine pass_pointer_array_char(c)
 131   character(:), pointer :: c(:)
 132   call takes_opt_explicit_shape_char(c)
 133 ! CHECK:         %[[VAL_1:.*]] = fir.load %[[VAL_0]] : !fir.ref<!fir.box<!fir.ptr<!fir.array<?x!fir.char<1,?>>>>>
 134 ! CHECK:         %[[VAL_2:.*]] = fir.box_addr %[[VAL_1]] : (!fir.box<!fir.ptr<!fir.array<?x!fir.char<1,?>>>>) -> !fir.ptr<!fir.array<?x!fir.char<1,?>>>
 135 ! CHECK:         %[[VAL_3:.*]] = fir.convert %[[VAL_2]] : (!fir.ptr<!fir.array<?x!fir.char<1,?>>>) -> i64
 136 ! CHECK:         %[[VAL_4:.*]] = arith.constant 0 : i64
 137 ! CHECK:         %[[VAL_5:.*]] = arith.cmpi ne, %[[VAL_3]], %[[VAL_4]] : i64
 138 ! CHECK:         %[[VAL_6:.*]] = fir.load %[[VAL_0]] : !fir.ref<!fir.box<!fir.ptr<!fir.array<?x!fir.char<1,?>>>>>
 139 ! CHECK:         %[[box_none:.*]] = fir.convert %[[VAL_6]] : (!fir.box<!fir.ptr<!fir.array<?x!fir.char<1,?>>>>) -> !fir.box<none>
 140 ! CHECK:         %[[is_contiguous:.*]] = fir.call @_FortranAIsContiguous(%[[box_none]]) {{.*}}: (!fir.box<none>) -> i1
 141 ! CHECK:         %[[VAL_9:.*]] = fir.if %[[VAL_5]] -> (!fir.heap<!fir.array<?x!fir.char<1,?>>>) {
 142 ! CHECK:           %[[VAL_10:.*]] = arith.constant 0 : index
 143 ! CHECK:           %[[VAL_11:.*]]:3 = fir.box_dims %[[VAL_6]], %[[VAL_10]] : (!fir.box<!fir.ptr<!fir.array<?x!fir.char<1,?>>>>, index) -> (index, index, index)
 144 ! CHECK:           %[[VAL_12:.*]] = fir.box_elesize %[[VAL_6]] : (!fir.box<!fir.ptr<!fir.array<?x!fir.char<1,?>>>>) -> index
 145 ! CHECK:           %[[VAL_13:.*]] = fir.allocmem !fir.array<?x!fir.char<1,?>>(%[[VAL_12]] : index), %[[VAL_11]]#1 {uniq_name = ".copyinout"}
 146 ! CHECK:           fir.call @_FortranAAssignTemporary
 147 ! CHECK:           fir.result %[[VAL_13]] : !fir.heap<!fir.array<?x!fir.char<1,?>>>
 148 ! CHECK:         } else {
 149 ! CHECK:           %[[VAL_46:.*]] = fir.zero_bits !fir.heap<!fir.array<?x!fir.char<1,?>>>
 150 ! CHECK:           fir.result %[[VAL_46]] : !fir.heap<!fir.array<?x!fir.char<1,?>>>
 151 ! CHECK:         }
 152 ! CHECK:         %[[VAL_47:.*]] = fir.box_elesize %[[VAL_6]] : (!fir.box<!fir.ptr<!fir.array<?x!fir.char<1,?>>>>) -> index
 153 ! CHECK:         %[[not_contiguous:.*]] = arith.cmpi eq, %[[is_contiguous]], %false : i1
 154 ! CHECK:         %[[and:.*]] = arith.andi %[[VAL_5]], %[[not_contiguous]] : i1
 155 ! CHECK:         %[[VAL_50:.*]] = fir.convert %[[VAL_9]] : (!fir.heap<!fir.array<?x!fir.char<1,?>>>) -> !fir.ref<!fir.char<1,?>>
 156 ! CHECK:         %[[VAL_52:.*]] = fir.emboxchar %[[VAL_50]], %[[VAL_47]] : (!fir.ref<!fir.char<1,?>>, index) -> !fir.boxchar<1>
 157 ! CHECK:         fir.call @_QPtakes_opt_explicit_shape_char(%[[VAL_52]]) {{.*}}: (!fir.boxchar<1>) -> ()
 158 ! CHECK:         fir.if %[[and]] {
 159 ! CHECK:           fir.call @_FortranACopyOutAssign
 160 ! CHECK:           fir.freemem %[[VAL_9]] : !fir.heap<!fir.array<?x!fir.char<1,?>>>
 161 ! CHECK:         }
 162 ! CHECK:         return
 163 ! CHECK:       }
 164 end subroutine
 165
 166 ! This case is bit special because the pointer is not a symbol but a function
 167 ! result. Test that the copy-in/copy-out is the same as with normal pointers.
 168
 169 ! CHECK-LABEL: func @_QMoptional_testsPforward_pointer_array() {
 170 subroutine forward_pointer_array()
 171   call takes_opt_explicit_shape(returns_pointer())
 172 ! CHECK:         %[[VAL_0:.*]] = fir.alloca !fir.box<!fir.ptr<!fir.array<?xf32>>> {bindc_name = ".result"}
 173 ! CHECK:         %[[VAL_1:.*]] = fir.call @_QPreturns_pointer() {{.*}}: () -> !fir.box<!fir.ptr<!fir.array<?xf32>>>
 174 ! CHECK:         fir.save_result %[[VAL_1]] to %[[VAL_0]] : !fir.box<!fir.ptr<!fir.array<?xf32>>>, !fir.ref<!fir.box<!fir.ptr<!fir.array<?xf32>>>>
 175 ! CHECK:         %[[VAL_2:.*]] = fir.load %[[VAL_0]] : !fir.ref<!fir.box<!fir.ptr<!fir.array<?xf32>>>>
 176 ! CHECK:         %[[VAL_3:.*]] = fir.box_addr %[[VAL_2]] : (!fir.box<!fir.ptr<!fir.array<?xf32>>>) -> !fir.ptr<!fir.array<?xf32>>
 177 ! CHECK:         %[[VAL_4:.*]] = fir.convert %[[VAL_3]] : (!fir.ptr<!fir.array<?xf32>>) -> i64
 178 ! CHECK:         %[[VAL_5:.*]] = arith.constant 0 : i64
 179 ! CHECK:         %[[VAL_6:.*]] = arith.cmpi ne, %[[VAL_4]], %[[VAL_5]] : i64
 180 ! CHECK:         %[[is_contiguous:.*]] = fir.call @_FortranAIsContiguous(%{{.*}}) {{.*}}: (!fir.box<none>) -> i1
 181 ! CHECK:         %[[VAL_7:.*]] = fir.if %[[VAL_6]] -> (!fir.heap<!fir.array<?xf32>>) {
 182 ! CHECK:           %[[VAL_10:.*]] = fir.allocmem !fir.array<?xf32>
 183 ! CHECK:           fir.call @_FortranAAssignTemporary
 184 ! CHECK:           fir.result %[[VAL_10]] : !fir.heap<!fir.array<?xf32>>
 185 ! CHECK:         } else {
 186 ! CHECK:           %[[VAL_11:.*]] = fir.zero_bits !fir.heap<!fir.array<?xf32>>
 187 ! CHECK:           fir.result %[[VAL_11]] : !fir.heap<!fir.array<?xf32>>
 188 ! CHECK:         }
 189 ! CHECK:         %[[not_contiguous:.*]] = arith.cmpi eq, %[[is_contiguous]], %false : i1
 190 ! CHECK:         %[[and:.*]] = arith.andi %[[VAL_6]], %[[not_contiguous]] : i1
 191 ! CHECK:         %[[VAL_14:.*]] = fir.convert %[[VAL_7]] : (!fir.heap<!fir.array<?xf32>>) -> !fir.ref<!fir.array<100xf32>>
 192 ! CHECK:         fir.call @_QPtakes_opt_explicit_shape(%[[VAL_14]]) {{.*}}: (!fir.ref<!fir.array<100xf32>>) -> ()
 193 ! CHECK:         fir.if %[[and]] {
 194 ! CHECK:           fir.call @_FortranACopyOutAssign
 195 ! CHECK:           fir.freemem %[[VAL_7]] : !fir.heap<!fir.array<?xf32>>
 196 ! CHECK:         }
 197 end subroutine
 198
 199 ! -----------------------------------------------------------------------------
 200 !    Test passing assumed shape optional to explicit shape optional
 201 ! -----------------------------------------------------------------------------
 202 ! The fix.box can only be read if the assumed shape is present,
 203 ! and the copy-in/copy-out must also be conditional on the assumed
 204 ! shape presence.
 205
 206 ! CHECK-LABEL: func @_QMoptional_testsPpass_opt_assumed_shape(
 207 ! CHECK-SAME:  %[[VAL_0:.*]]: !fir.box<!fir.array<?xf32>> {fir.bindc_name = "x", fir.optional}) {
 208 subroutine pass_opt_assumed_shape(x)
 209   real, optional :: x(:)
 210   call takes_opt_explicit_shape(x)
 211 ! CHECK:         %[[VAL_1:.*]] = fir.is_present %[[VAL_0]] : (!fir.box<!fir.array<?xf32>>) -> i1
 212 ! CHECK:         %[[VAL_2:.*]] = fir.zero_bits !fir.ref<!fir.array<?xf32>>
 213 ! CHECK:         %[[VAL_3:.*]] = arith.constant 0 : index
 214 ! CHECK:         %[[VAL_4:.*]] = fir.shape %[[VAL_3]] : (index) -> !fir.shape<1>
 215 ! CHECK:         %[[VAL_5:.*]] = fir.embox %[[VAL_2]](%[[VAL_4]]) : (!fir.ref<!fir.array<?xf32>>, !fir.shape<1>) -> !fir.box<!fir.array<?xf32>>
 216 ! CHECK:         %[[VAL_6:.*]] = arith.select %[[VAL_1]], %[[VAL_0]], %[[VAL_5]] : !fir.box<!fir.array<?xf32>>
 217 ! CHECK:         %[[is_contiguous:.*]] = fir.call @_FortranAIsContiguous(%{{.*}}) {{.*}}: (!fir.box<none>) -> i1
 218 ! CHECK:         %[[VAL_7:.*]] = fir.if %[[VAL_1]] -> (!fir.heap<!fir.array<?xf32>>) {
 219 ! CHECK:           %[[VAL_8:.*]] = arith.constant 0 : index
 220 ! CHECK:           %[[VAL_9:.*]]:3 = fir.box_dims %[[VAL_6]], %[[VAL_8]] : (!fir.box<!fir.array<?xf32>>, index) -> (index, index, index)
 221 ! CHECK:           %[[VAL_10:.*]] = fir.allocmem !fir.array<?xf32>, %[[VAL_9]]#1 {uniq_name = ".copyinout"}
 222 ! CHECK:           fir.call @_FortranAAssignTemporary
 223 ! CHECK:           fir.result %[[VAL_10]] : !fir.heap<!fir.array<?xf32>>
 224 ! CHECK:         } else {
 225 ! CHECK:           %[[VAL_23:.*]] = fir.zero_bits !fir.heap<!fir.array<?xf32>>
 226 ! CHECK:           fir.result %[[VAL_23]] : !fir.heap<!fir.array<?xf32>>
 227 ! CHECK:         }
 228 ! CHECK:         %[[not_contiguous:.*]] = arith.cmpi eq, %[[is_contiguous]], %false : i1
 229 ! CHECK:         %[[and:.*]] = arith.andi %[[VAL_1]], %[[not_contiguous]] : i1
 230 ! CHECK:         %[[VAL_26:.*]] = fir.convert %[[VAL_27:.*]] : (!fir.heap<!fir.array<?xf32>>) -> !fir.ref<!fir.array<100xf32>>
 231 ! CHECK:         fir.call @_QPtakes_opt_explicit_shape(%[[VAL_26]]) {{.*}}: (!fir.ref<!fir.array<100xf32>>) -> ()
 232 ! CHECK:         fir.if %[[and]] {
 233 ! CHECK:           fir.call @_FortranACopyOutAssign
 234 ! CHECK:           fir.freemem %[[VAL_27]] : !fir.heap<!fir.array<?xf32>>
 235 ! CHECK:         }
 236 end subroutine
 237
 238 ! CHECK-LABEL: func @_QMoptional_testsPpass_opt_assumed_shape_char(
 239 ! CHECK-SAME:  %[[VAL_0:.*]]: !fir.box<!fir.array<?x!fir.char<1,?>>> {fir.bindc_name = "c", fir.optional}) {
 240 subroutine pass_opt_assumed_shape_char(c)
 241   character(*), optional :: c(:)
 242   call takes_opt_explicit_shape_char(c)
 243 ! CHECK:         %[[VAL_1:.*]] = fir.is_present %[[VAL_0]] : (!fir.box<!fir.array<?x!fir.char<1,?>>>) -> i1
 244 ! CHECK:         %[[VAL_2:.*]] = fir.zero_bits !fir.ref<!fir.array<?x!fir.char<1,?>>>
 245 ! CHECK:         %[[VAL_3:.*]] = arith.constant 0 : index
 246 ! CHECK:         %[[VAL_4:.*]] = fir.shape %[[VAL_3]] : (index) -> !fir.shape<1>
 247 ! CHECK:         %[[VAL_5:.*]] = arith.constant 0 : index
 248 ! CHECK:         %[[VAL_6:.*]] = fir.embox %[[VAL_2]](%[[VAL_4]]) typeparams %[[VAL_5]] : (!fir.ref<!fir.array<?x!fir.char<1,?>>>, !fir.shape<1>, index) -> !fir.box<!fir.array<?x!fir.char<1,?>>>
 249 ! CHECK:         %[[VAL_7:.*]] = arith.select %[[VAL_1]], %[[VAL_0]], %[[VAL_6]] : !fir.box<!fir.array<?x!fir.char<1,?>>>
 250 ! CHECK:         %[[box_none:.*]] = fir.convert %[[VAL_7]] : (!fir.box<!fir.array<?x!fir.char<1,?>>>) -> !fir.box<none>
 251 ! CHECK:         %[[is_contiguous:.*]] = fir.call @_FortranAIsContiguous(%[[box_none]]) {{.*}}: (!fir.box<none>) -> i1
 252 ! CHECK:         %[[VAL_8:.*]] = fir.if %[[VAL_1]] -> (!fir.heap<!fir.array<?x!fir.char<1,?>>>) {
 253 ! CHECK:         %[[addr:.*]] = fir.if %[[is_contiguous]] -> (!fir.heap<!fir.array<?x!fir.char<1,?>>>) {
 254 ! CHECK:           %[[res:.*]] = fir.box_addr %[[VAL_7]] : (!fir.box<!fir.array<?x!fir.char<1,?>>>) -> !fir.heap<!fir.array<?x!fir.char<1,?>>>
 255 ! CHECK:           fir.result %[[res]] : !fir.heap<!fir.array<?x!fir.char<1,?>>>
 256 ! CHECK:         } else {
 257 ! CHECK:           %[[box_elesize:.*]] = fir.box_elesize %[[VAL_7]] : (!fir.box<!fir.array<?x!fir.char<1,?>>>) -> index
 258 ! CHECK:           %[[temp:.*]] = fir.allocmem !fir.array<?x!fir.char<1,?>>(%[[box_elesize]] : index), %{{.*}}#1 {uniq_name = ".copyinout"}
 259 ! CHECK:           fir.call @_FortranAAssignTemporary
 260 ! CHECK:           fir.result %[[VAL_12]] : !fir.heap<!fir.array<?x!fir.char<1,?>>>
 261 ! CHECK:         } else {
 262 ! CHECK:           %[[VAL_44:.*]] = fir.zero_bits !fir.heap<!fir.array<?x!fir.char<1,?>>>
 263 ! CHECK:           fir.result %[[VAL_44]] : !fir.heap<!fir.array<?x!fir.char<1,?>>>
 264 ! CHECK:         }
 265 ! CHECK:         %[[VAL_45:.*]] = fir.box_elesize %[[VAL_7]] : (!fir.box<!fir.array<?x!fir.char<1,?>>>) -> index
 266 ! CHECK:         %[[not_contiguous:.*]] = arith.cmpi eq, %[[is_contiguous]], %false : i1
 267 ! CHECK:         %[[and:.*]] = arith.andi %[[VAL_1]], %[[not_contiguous]] : i1
 268 ! CHECK:         %[[VAL_48:.*]] = fir.convert %[[VAL_49:.*]] : (!fir.heap<!fir.array<?x!fir.char<1,?>>>) -> !fir.ref<!fir.char<1,?>>
 269 ! CHECK:         %[[VAL_50:.*]] = fir.emboxchar %[[VAL_48]], %[[VAL_45]] : (!fir.ref<!fir.char<1,?>>, index) -> !fir.boxchar<1>
 270 ! CHECK:         fir.call @_QPtakes_opt_explicit_shape_char(%[[VAL_50]]) {{.*}}: (!fir.boxchar<1>) -> ()
 271 ! CHECK:         fir.if %[[and]] {
 272 ! CHECK:           fir.call @_FortranACopyOutAssign
 273 ! CHECK:           fir.freemem %[[VAL_49]] : !fir.heap<!fir.array<?x!fir.char<1,?>>>
 274 ! CHECK:         }
 275 end subroutine
 276
 277 ! -----------------------------------------------------------------------------
 278 !    Test passing contiguous optional assumed shape to explicit shape optional
 279 ! -----------------------------------------------------------------------------
 280 ! The fix.box can only be read if the assumed shape is present.
 281 ! There should be no copy-in/copy-out
 282
 283 ! CHECK-LABEL: func @_QMoptional_testsPpass_opt_contiguous_assumed_shape(
 284 ! CHECK-SAME:  %[[VAL_0:.*]]: !fir.box<!fir.array<?xf32>> {fir.bindc_name = "x", fir.contiguous, fir.optional}) {
 285 subroutine pass_opt_contiguous_assumed_shape(x)
 286   real, optional, contiguous :: x(:)
 287   call takes_opt_explicit_shape(x)
 288 ! CHECK:         %[[VAL_1:.*]] = fir.is_present %[[VAL_0]] : (!fir.box<!fir.array<?xf32>>) -> i1
 289 ! CHECK:         %[[VAL_2:.*]] = fir.zero_bits !fir.ref<!fir.array<?xf32>>
 290 ! CHECK:         %[[VAL_3:.*]] = arith.constant 0 : index
 291 ! CHECK:         %[[VAL_4:.*]] = fir.shape %[[VAL_3]] : (index) -> !fir.shape<1>
 292 ! CHECK:         %[[VAL_5:.*]] = fir.embox %[[VAL_2]](%[[VAL_4]]) : (!fir.ref<!fir.array<?xf32>>, !fir.shape<1>) -> !fir.box<!fir.array<?xf32>>
 293 ! CHECK:         %[[VAL_6:.*]] = arith.select %[[VAL_1]], %[[VAL_0]], %[[VAL_5]] : !fir.box<!fir.array<?xf32>>
 294 ! CHECK:         %[[VAL_7:.*]] = fir.box_addr %[[VAL_6]] : (!fir.box<!fir.array<?xf32>>) -> !fir.ref<!fir.array<?xf32>>
 295 ! CHECK:         %[[VAL_8:.*]] = fir.convert %[[VAL_7]] : (!fir.ref<!fir.array<?xf32>>) -> !fir.ref<!fir.array<100xf32>>
 296 ! CHECK:         fir.call @_QPtakes_opt_explicit_shape(%[[VAL_8]]) {{.*}}: (!fir.ref<!fir.array<100xf32>>) -> ()
 297 end subroutine
 298
 299 ! CHECK-LABEL: func @_QMoptional_testsPpass_opt_contiguous_assumed_shape_char(
 300 ! CHECK-SAME:  %[[VAL_0:.*]]: !fir.box<!fir.array<?x!fir.char<1,?>>> {fir.bindc_name = "c", fir.contiguous, fir.optional}) {
 301 subroutine pass_opt_contiguous_assumed_shape_char(c)
 302   character(*), optional, contiguous :: c(:)
 303   call takes_opt_explicit_shape_char(c)
 304 ! CHECK:         %[[VAL_1:.*]] = fir.is_present %[[VAL_0]] : (!fir.box<!fir.array<?x!fir.char<1,?>>>) -> i1
 305 ! CHECK:         %[[VAL_2:.*]] = fir.zero_bits !fir.ref<!fir.array<?x!fir.char<1,?>>>
 306 ! CHECK:         %[[VAL_3:.*]] = arith.constant 0 : index
 307 ! CHECK:         %[[VAL_4:.*]] = fir.shape %[[VAL_3]] : (index) -> !fir.shape<1>
 308 ! CHECK:         %[[VAL_5:.*]] = arith.constant 0 : index
 309 ! CHECK:         %[[VAL_6:.*]] = fir.embox %[[VAL_2]](%[[VAL_4]]) typeparams %[[VAL_5]] : (!fir.ref<!fir.array<?x!fir.char<1,?>>>, !fir.shape<1>, index) -> !fir.box<!fir.array<?x!fir.char<1,?>>>
 310 ! CHECK:         %[[VAL_7:.*]] = arith.select %[[VAL_1]], %[[VAL_0]], %[[VAL_6]] : !fir.box<!fir.array<?x!fir.char<1,?>>>
 311 ! CHECK:         %[[VAL_8:.*]] = fir.box_addr %[[VAL_7]] : (!fir.box<!fir.array<?x!fir.char<1,?>>>) -> !fir.ref<!fir.array<?x!fir.char<1,?>>>
 312 ! CHECK:         %[[VAL_9:.*]] = fir.box_elesize %[[VAL_7]] : (!fir.box<!fir.array<?x!fir.char<1,?>>>) -> index
 313 ! CHECK:         %[[VAL_10:.*]] = fir.convert %[[VAL_8]] : (!fir.ref<!fir.array<?x!fir.char<1,?>>>) -> !fir.ref<!fir.char<1,?>>
 314 ! CHECK:         %[[VAL_11:.*]] = fir.emboxchar %[[VAL_10]], %[[VAL_9]] : (!fir.ref<!fir.char<1,?>>, index) -> !fir.boxchar<1>
 315 ! CHECK:         fir.call @_QPtakes_opt_explicit_shape_char(%[[VAL_11]]) {{.*}}: (!fir.boxchar<1>) -> ()
 316 end subroutine
 317
 318 ! -----------------------------------------------------------------------------
 319 !    Test passing allocatables and contiguous pointers to explicit shape optional
 320 ! -----------------------------------------------------------------------------
 321 ! The fix.box can be read and its address directly passed. There should be no
 322 ! copy-in/copy-out.
 323
 324 ! CHECK-LABEL: func @_QMoptional_testsPpass_allocatable_array(
 325 ! CHECK-SAME:  %[[VAL_0:.*]]: !fir.ref<!fir.box<!fir.heap<!fir.array<?xf32>>>>{{.*}}) {
 326 subroutine pass_allocatable_array(i)
 327   real, allocatable :: i(:)
 328   call takes_opt_explicit_shape(i)
 329 ! CHECK:         %[[VAL_1:.*]] = fir.load %[[VAL_0]] : !fir.ref<!fir.box<!fir.heap<!fir.array<?xf32>>>>
 330 ! CHECK:         %[[VAL_2:.*]] = fir.box_addr %[[VAL_1]] : (!fir.box<!fir.heap<!fir.array<?xf32>>>) -> !fir.heap<!fir.array<?xf32>>
 331 ! CHECK:         %[[VAL_3:.*]] = fir.convert %[[VAL_2]] : (!fir.heap<!fir.array<?xf32>>) -> !fir.ref<!fir.array<100xf32>>
 332 ! CHECK:         fir.call @_QPtakes_opt_explicit_shape(%[[VAL_3]]) {{.*}}: (!fir.ref<!fir.array<100xf32>>) -> ()
 333 end subroutine
 334
 335 ! CHECK-LABEL: func @_QMoptional_testsPpass_allocatable_array_char(
 336 ! CHECK-SAME:  %[[VAL_0:.*]]: !fir.ref<!fir.box<!fir.heap<!fir.array<?x!fir.char<1,?>>>>>{{.*}}) {
 337 subroutine pass_allocatable_array_char(c)
 338   character(:), allocatable :: c(:)
 339   call takes_opt_explicit_shape_char(c)
 340 ! CHECK:         %[[VAL_1:.*]] = fir.load %[[VAL_0]] : !fir.ref<!fir.box<!fir.heap<!fir.array<?x!fir.char<1,?>>>>>
 341 ! CHECK:         %[[VAL_2:.*]] = fir.box_elesize %[[VAL_1]] : (!fir.box<!fir.heap<!fir.array<?x!fir.char<1,?>>>>) -> index
 342 ! CHECK:         %[[VAL_3:.*]] = fir.box_addr %[[VAL_1]] : (!fir.box<!fir.heap<!fir.array<?x!fir.char<1,?>>>>) -> !fir.heap<!fir.array<?x!fir.char<1,?>>>
 343 ! CHECK:         %[[VAL_4:.*]] = fir.convert %[[VAL_3]] : (!fir.heap<!fir.array<?x!fir.char<1,?>>>) -> !fir.ref<!fir.char<1,?>>
 344 ! CHECK:         %[[VAL_5:.*]] = fir.emboxchar %[[VAL_4]], %[[VAL_2]] : (!fir.ref<!fir.char<1,?>>, index) -> !fir.boxchar<1>
 345 ! CHECK:         fir.call @_QPtakes_opt_explicit_shape_char(%[[VAL_5]]) {{.*}}: (!fir.boxchar<1>) -> ()
 346 end subroutine
 347
 348 ! CHECK-LABEL: func @_QMoptional_testsPpass_contiguous_pointer_array(
 349 ! CHECK-SAME:  %[[VAL_0:.*]]: !fir.ref<!fir.box<!fir.ptr<!fir.array<?xf32>>>> {fir.bindc_name = "i", fir.contiguous}) {
 350 subroutine pass_contiguous_pointer_array(i)
 351   real, pointer, contiguous :: i(:)
 352   call takes_opt_explicit_shape(i)
 353 ! CHECK:         %[[VAL_1:.*]] = fir.load %[[VAL_0]] : !fir.ref<!fir.box<!fir.ptr<!fir.array<?xf32>>>>
 354 ! CHECK:         %[[VAL_2:.*]] = fir.box_addr %[[VAL_1]] : (!fir.box<!fir.ptr<!fir.array<?xf32>>>) -> !fir.ptr<!fir.array<?xf32>>
 355 ! CHECK:         %[[VAL_3:.*]] = fir.convert %[[VAL_2]] : (!fir.ptr<!fir.array<?xf32>>) -> !fir.ref<!fir.array<100xf32>>
 356 ! CHECK:         fir.call @_QPtakes_opt_explicit_shape(%[[VAL_3]]) {{.*}}: (!fir.ref<!fir.array<100xf32>>) -> ()
 357 end subroutine
 358
 359 ! CHECK-LABEL: func @_QMoptional_testsPpass_contiguous_pointer_array_char(
 360 ! CHECK-SAME:  %[[VAL_0:.*]]: !fir.ref<!fir.box<!fir.ptr<!fir.array<?x!fir.char<1,?>>>>> {fir.bindc_name = "c", fir.contiguous}) {
 361 subroutine pass_contiguous_pointer_array_char(c)
 362   character(:), pointer, contiguous :: c(:)
 363   call takes_opt_explicit_shape_char(c)
 364 ! CHECK:         %[[VAL_1:.*]] = fir.load %[[VAL_0]] : !fir.ref<!fir.box<!fir.ptr<!fir.array<?x!fir.char<1,?>>>>>
 365 ! CHECK:         %[[VAL_2:.*]] = fir.box_elesize %[[VAL_1]] : (!fir.box<!fir.ptr<!fir.array<?x!fir.char<1,?>>>>) -> index
 366 ! CHECK:         %[[VAL_3:.*]] = fir.box_addr %[[VAL_1]] : (!fir.box<!fir.ptr<!fir.array<?x!fir.char<1,?>>>>) -> !fir.ptr<!fir.array<?x!fir.char<1,?>>>
 367 ! CHECK:         %[[VAL_4:.*]] = fir.convert %[[VAL_3]] : (!fir.ptr<!fir.array<?x!fir.char<1,?>>>) -> !fir.ref<!fir.char<1,?>>
 368 ! CHECK:         %[[VAL_5:.*]] = fir.emboxchar %[[VAL_4]], %[[VAL_2]] : (!fir.ref<!fir.char<1,?>>, index) -> !fir.boxchar<1>
 369 ! CHECK:         fir.call @_QPtakes_opt_explicit_shape_char(%[[VAL_5]]) {{.*}}: (!fir.boxchar<1>) -> ()
 370 end subroutine
 371
 372 ! -----------------------------------------------------------------------------
 373 !    Test passing assumed shape optional to explicit shape optional with intents
 374 ! -----------------------------------------------------------------------------
 375 ! The fix.box can only be read if the assumed shape is present,
 376 ! and the copy-in/copy-out must also be conditional on the assumed
 377 ! shape presence. For intent(in), there should be no copy-out while for
 378 ! intent(out), there should be no copy-in.
 379
 380 ! CHECK-LABEL: func @_QMoptional_testsPpass_opt_assumed_shape_to_intentin(
 381 ! CHECK-SAME:  %[[VAL_0:.*]]: !fir.box<!fir.array<?xf32>> {fir.bindc_name = "x", fir.optional}) {
 382 subroutine pass_opt_assumed_shape_to_intentin(x)
 383   real, optional :: x(:)
 384   call takes_opt_explicit_shape_intentin(x)
 385 ! CHECK:         %[[VAL_1:.*]] = fir.is_present %[[VAL_0]] : (!fir.box<!fir.array<?xf32>>) -> i1
 386 ! CHECK:         %[[VAL_2:.*]] = fir.zero_bits !fir.ref<!fir.array<?xf32>>
 387 ! CHECK:         %[[VAL_3:.*]] = arith.constant 0 : index
 388 ! CHECK:         %[[VAL_4:.*]] = fir.shape %[[VAL_3]] : (index) -> !fir.shape<1>
 389 ! CHECK:         %[[VAL_5:.*]] = fir.embox %[[VAL_2]](%[[VAL_4]]) : (!fir.ref<!fir.array<?xf32>>, !fir.shape<1>) -> !fir.box<!fir.array<?xf32>>
 390 ! CHECK:         %[[VAL_6:.*]] = arith.select %[[VAL_1]], %[[VAL_0]], %[[VAL_5]] : !fir.box<!fir.array<?xf32>>
 391 ! CHECK:         %[[box_none:.*]] = fir.convert %[[VAL_6]] : (!fir.box<!fir.array<?xf32>>) -> !fir.box<none>
 392 ! CHECK:         %[[is_contiguous:.*]] = fir.call @_FortranAIsContiguous(%[[box_none]]) {{.*}}: (!fir.box<none>) -> i1
 393 ! CHECK:         %[[VAL_7:.*]] = fir.if %[[VAL_1]] -> (!fir.heap<!fir.array<?xf32>>) {
 394 ! CHECK:           %[[VAL_10:.*]] = fir.allocmem !fir.array<?xf32>
 395 ! CHECK:           fir.call @_FortranAAssignTemporary
 396 ! CHECK:           fir.result %[[VAL_10]] : !fir.heap<!fir.array<?xf32>>
 397 ! CHECK:         } else {
 398 ! CHECK:           %[[VAL_23:.*]] = fir.zero_bits !fir.heap<!fir.array<?xf32>>
 399 ! CHECK:           fir.result %[[VAL_23]] : !fir.heap<!fir.array<?xf32>>
 400 ! CHECK:         }
 401 ! CHECK:         %[[not_contiguous:.*]] = arith.cmpi eq, %[[is_contiguous]], %false : i1
 402 ! CHECK:         %[[and:.*]] = arith.andi %[[VAL_1]], %[[not_contiguous]] : i1
 403 ! CHECK:         %[[VAL_24:.*]] = fir.convert %[[VAL_7]] : (!fir.heap<!fir.array<?xf32>>) -> !fir.ref<!fir.array<100xf32>>
 404 ! CHECK:         fir.call @_QPtakes_opt_explicit_shape_intentin(%[[VAL_24]]) {{.*}}: (!fir.ref<!fir.array<100xf32>>) -> ()
 405 ! CHECK:         fir.if %[[and]] {
 406 ! CHECK-NOT:       fir.call @_FortranACopyOutAssign
 407 ! CHECK:           fir.freemem %[[VAL_7]] : !fir.heap<!fir.array<?xf32>>
 408 ! CHECK:         }
 409 end subroutine
 410
 411 ! CHECK-LABEL: func @_QMoptional_testsPpass_opt_assumed_shape_to_intentout(
 412 ! CHECK-SAME:  %[[VAL_0:.*]]: !fir.box<!fir.array<?xf32>> {fir.bindc_name = "x", fir.optional}) {
 413 subroutine pass_opt_assumed_shape_to_intentout(x)
 414   real, optional :: x(:)
 415   call takes_opt_explicit_shape_intentout(x)
 416 ! CHECK:         %[[VAL_1:.*]] = fir.is_present %[[VAL_0]] : (!fir.box<!fir.array<?xf32>>) -> i1
 417 ! CHECK:         %[[VAL_2:.*]] = fir.zero_bits !fir.ref<!fir.array<?xf32>>
 418 ! CHECK:         %[[VAL_3:.*]] = arith.constant 0 : index
 419 ! CHECK:         %[[VAL_4:.*]] = fir.shape %[[VAL_3]] : (index) -> !fir.shape<1>
 420 ! CHECK:         %[[VAL_5:.*]] = fir.embox %[[VAL_2]](%[[VAL_4]]) : (!fir.ref<!fir.array<?xf32>>, !fir.shape<1>) -> !fir.box<!fir.array<?xf32>>
 421 ! CHECK:         %[[VAL_6:.*]] = arith.select %[[VAL_1]], %[[VAL_0]], %[[VAL_5]] : !fir.box<!fir.array<?xf32>>
 422 ! CHECK:         %[[box_none:.*]] = fir.convert %[[VAL_6]] : (!fir.box<!fir.array<?xf32>>) -> !fir.box<none>
 423 ! CHECK:         %[[is_contiguous:.*]] = fir.call @_FortranAIsContiguous(%[[box_none]]) {{.*}}: (!fir.box<none>) -> i1
 424 ! CHECK:         %[[VAL_7:.*]] = fir.if %[[VAL_1]] -> (!fir.heap<!fir.array<?xf32>>) {
 425 ! CHECK:           %[[VAL_10:.*]] = fir.allocmem !fir.array<?xf32>
 426 ! CHECK-NOT:       fir.call @_FortranAAssignTemporary
 427 ! CHECK:           fir.result %[[VAL_10]] : !fir.heap<!fir.array<?xf32>>
 428 ! CHECK:         } else {
 429 ! CHECK:           %[[VAL_11:.*]] = fir.zero_bits !fir.heap<!fir.array<?xf32>>
 430 ! CHECK:           fir.result %[[VAL_11]] : !fir.heap<!fir.array<?xf32>>
 431 ! CHECK:         }
 432 ! CHECK:         %[[not_contiguous:.*]] = arith.cmpi eq, %[[is_contiguous]], %false : i1
 433 ! CHECK:         %[[and:.*]] = arith.andi %[[VAL_1]], %[[not_contiguous]] : i1
 434 ! CHECK:         %[[VAL_14:.*]] = fir.convert %[[VAL_7]] : (!fir.heap<!fir.array<?xf32>>) -> !fir.ref<!fir.array<100xf32>>
 435 ! CHECK:         fir.call @_QPtakes_opt_explicit_shape_intentout(%[[VAL_14]]) {{.*}}: (!fir.ref<!fir.array<100xf32>>) -> ()
 436 ! CHECK:         fir.if %[[and]] {
 437 ! CHECK:           fir.call @_FortranACopyOutAssign
 438 ! CHECK:           fir.freemem %[[VAL_7]] : !fir.heap<!fir.array<?xf32>>
 439 ! CHECK:         }
 440 end subroutine
 441 end module