flang/test/HLFIR/boxchar_emboxing.f90

   1 ! RUN: bbc -emit-hlfir %s -o - | FileCheck %s
   2
   3 ! CHECK-LABEL:   func.func @_QPtest1(
   4 ! CHECK-SAME:                        %[[VAL_0:.*]]: !fir.class<none> {fir.bindc_name = "x"}) {
   5 ! CHECK:           %[[VAL_1:.*]]:2 = hlfir.declare %[[VAL_0]] dummy_scope %{{[0-9]+}} {uniq_name = "_QFtest1Ex"} : (!fir.class<none>, !fir.dscope) -> (!fir.class<none>, !fir.class<none>)
   6 ! CHECK:           fir.select_type %[[VAL_1]]#1 : !fir.class<none> [#fir.type_is<!fir.char<1,?>>, ^bb1, unit, ^bb2]
   7 ! CHECK:         ^bb1:
   8 ! CHECK:           %[[VAL_2:.*]] = fir.box_addr %[[VAL_1]]#1 : (!fir.class<none>) -> !fir.ref<!fir.char<1,?>>
   9 ! CHECK:           %[[VAL_3:.*]] = fir.box_elesize %[[VAL_1]]#1 : (!fir.class<none>) -> index
  10 ! CHECK:           %[[VAL_4:.*]]:2 = hlfir.declare %[[VAL_2]] typeparams %[[VAL_3]] {uniq_name = "_QFtest1Ex"} : (!fir.ref<!fir.char<1,?>>, index) -> (!fir.boxchar<1>, !fir.ref<!fir.char<1,?>>)
  11 ! CHECK:           %[[VAL_5:.*]]:2 = fir.unboxchar %[[VAL_4]]#0 : (!fir.boxchar<1>) -> (!fir.ref<!fir.char<1,?>>, index)
  12 ! CHECK:           %[[VAL_6:.*]] = fir.embox %[[VAL_5]]#0 typeparams %[[VAL_3]] : (!fir.ref<!fir.char<1,?>>, index) -> !fir.box<!fir.char<1,?>>
  13 ! CHECK:           %[[VAL_7:.*]] = fir.rebox %[[VAL_6]] : (!fir.box<!fir.char<1,?>>) -> !fir.class<none>
  14 ! CHECK:           fir.call @_QPprint(%[[VAL_7]]) fastmath<contract> : (!fir.class<none>) -> ()
  15 ! CHECK:           cf.br ^bb3
  16 ! CHECK:         ^bb2:
  17 ! CHECK:           %[[VAL_8:.*]]:2 = hlfir.declare %[[VAL_1]]#1 {uniq_name = "_QFtest1Ex"} : (!fir.class<none>) -> (!fir.class<none>, !fir.class<none>)
  18 ! CHECK:           %[[VAL_9:.*]] = fir.address_of(@_QQclX4641494C) : !fir.ref<!fir.char<1,4>>
  19 ! CHECK:           %[[VAL_10:.*]] = arith.constant 4 : index
  20 ! CHECK:           %[[VAL_11:.*]]:2 = hlfir.declare %[[VAL_9]] typeparams %[[VAL_10]] {fortran_attrs = #fir.var_attrs<parameter>, uniq_name = "_QQclX4641494C"} : (!fir.ref<!fir.char<1,4>>, index) -> (!fir.ref<!fir.char<1,4>>, !fir.ref<!fir.char<1,4>>)
  21 ! CHECK:           %[[VAL_12:.*]] = fir.convert %[[VAL_11]]#1 : (!fir.ref<!fir.char<1,4>>) -> !fir.ref<i8>
  22 ! CHECK:           %[[VAL_13:.*]] = fir.convert %[[VAL_10]] : (index) -> i64
  23 ! CHECK:           %[[VAL_14:.*]] = arith.constant false
  24 ! CHECK:           %[[VAL_15:.*]] = arith.constant false
  25 ! CHECK:           %[[VAL_16:.*]] = fir.call @_FortranAStopStatementText(%[[VAL_12]], %[[VAL_13]], %[[VAL_14]], %[[VAL_15]]) fastmath<contract> : (!fir.ref<i8>, i64, i1, i1) -> none
  26 ! CHECK:           fir.unreachable
  27 ! CHECK:         ^bb3:
  28 ! CHECK:           return
  29 ! CHECK:         }
  30 subroutine test1(x)
  31   interface
  32      subroutine print(x)
  33        class(*) x
  34      end subroutine print
  35   end interface
  36   class(*) x
  37   select type(x)
  38   type is (Character(*))
  39      call print(x)
  40   class Default
  41      stop 'FAIL'
  42   end select
  43 end subroutine test1
  44
  45 ! CHECK-LABEL:   func.func @_QPtest2(
  46 ! CHECK-SAME:                        %[[VAL_0:.*]]: !fir.class<!fir.array<10xnone>> {fir.bindc_name = "x"}) {
  47 ! CHECK:           %[[VAL_1:.*]]:2 = hlfir.declare %[[VAL_0]] dummy_scope %{{[0-9]+}} {uniq_name = "_QFtest2Ex"} : (!fir.class<!fir.array<10xnone>>, !fir.dscope) -> (!fir.class<!fir.array<10xnone>>, !fir.class<!fir.array<10xnone>>)
  48 ! CHECK:           fir.select_type %[[VAL_1]]#1 : !fir.class<!fir.array<10xnone>> [#fir.type_is<!fir.char<1,?>>, ^bb1, unit, ^bb2]
  49 ! CHECK:         ^bb1:
  50 ! CHECK:           %[[VAL_2:.*]] = fir.convert %[[VAL_1]]#1 : (!fir.class<!fir.array<10xnone>>) -> !fir.box<!fir.array<10x!fir.char<1,?>>>
  51 ! CHECK:           %[[VAL_3:.*]]:2 = hlfir.declare %[[VAL_2]] {uniq_name = "_QFtest2Ex"} : (!fir.box<!fir.array<10x!fir.char<1,?>>>) -> (!fir.box<!fir.array<10x!fir.char<1,?>>>, !fir.box<!fir.array<10x!fir.char<1,?>>>)
  52 ! CHECK:           %[[VAL_4:.*]] = fir.box_elesize %[[VAL_3]]#1 : (!fir.box<!fir.array<10x!fir.char<1,?>>>) -> index
  53 ! CHECK:           %[[VAL_5:.*]] = arith.constant 1 : index
  54 ! CHECK:           %[[VAL_6:.*]] = hlfir.designate %[[VAL_3]]#0 (%[[VAL_5]])  typeparams %[[VAL_4]] : (!fir.box<!fir.array<10x!fir.char<1,?>>>, index, index) -> !fir.boxchar<1>
  55 ! CHECK:           %[[VAL_7:.*]]:2 = fir.unboxchar %[[VAL_6]] : (!fir.boxchar<1>) -> (!fir.ref<!fir.char<1,?>>, index)
  56 ! CHECK:           %[[VAL_8:.*]] = fir.embox %[[VAL_7]]#0 typeparams %[[VAL_4]] : (!fir.ref<!fir.char<1,?>>, index) -> !fir.box<!fir.char<1,?>>
  57 ! CHECK:           %[[VAL_9:.*]] = fir.rebox %[[VAL_8]] : (!fir.box<!fir.char<1,?>>) -> !fir.class<none>
  58 ! CHECK:           fir.call @_QPprint(%[[VAL_9]]) fastmath<contract> : (!fir.class<none>) -> ()
  59 ! CHECK:           cf.br ^bb3
  60 ! CHECK:         ^bb2:
  61 ! CHECK:           %[[VAL_10:.*]]:2 = hlfir.declare %[[VAL_1]]#1 {uniq_name = "_QFtest2Ex"} : (!fir.class<!fir.array<10xnone>>) -> (!fir.class<!fir.array<10xnone>>, !fir.class<!fir.array<10xnone>>)
  62 ! CHECK:           %[[VAL_11:.*]] = fir.address_of(@_QQclX4641494C) : !fir.ref<!fir.char<1,4>>
  63 ! CHECK:           %[[VAL_12:.*]] = arith.constant 4 : index
  64 ! CHECK:           %[[VAL_13:.*]]:2 = hlfir.declare %[[VAL_11]] typeparams %[[VAL_12]] {fortran_attrs = #fir.var_attrs<parameter>, uniq_name = "_QQclX4641494C"} : (!fir.ref<!fir.char<1,4>>, index) -> (!fir.ref<!fir.char<1,4>>, !fir.ref<!fir.char<1,4>>)
  65 ! CHECK:           %[[VAL_14:.*]] = fir.convert %[[VAL_13]]#1 : (!fir.ref<!fir.char<1,4>>) -> !fir.ref<i8>
  66 ! CHECK:           %[[VAL_15:.*]] = fir.convert %[[VAL_12]] : (index) -> i64
  67 ! CHECK:           %[[VAL_16:.*]] = arith.constant false
  68 ! CHECK:           %[[VAL_17:.*]] = arith.constant false
  69 ! CHECK:           %[[VAL_18:.*]] = fir.call @_FortranAStopStatementText(%[[VAL_14]], %[[VAL_15]], %[[VAL_16]], %[[VAL_17]]) fastmath<contract> : (!fir.ref<i8>, i64, i1, i1) -> none
  70 ! CHECK:           fir.unreachable
  71 ! CHECK:         ^bb3:
  72 ! CHECK:           return
  73 ! CHECK:         }
  74 subroutine test2(x)
  75   interface
  76      subroutine print(x)
  77        class(*) x
  78      end subroutine print
  79   end interface
  80   class(*) x(10)
  81   select type(x)
  82   type is (Character(*))
  83      call print(x(1))
  84   class Default
  85      stop 'FAIL'
  86   end select
  87 end subroutine test2