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1! Test lowering of elemental calls to character function where the2! result length is not a compile time constant.3! RUN: bbc -emit-hlfir -o - %s | FileCheck %s4 5! The vector subscript must not be read when computing the result length6! before the elemental loop because the argument array could be zero sized.7subroutine test_vector_subscripted_arg(c, vector_subscript)8  interface9    elemental function bug_145151_1(c_dummy)10      character(*), intent(in) :: c_dummy11      character(len(c_dummy, KIND=8)) :: bug_145151_112    end13  end interface14  integer(8) :: vector_subscript(:)15  character(*) :: c(:)16  c = bug_145151_1(c(vector_subscript))17end subroutine18! CHECK-LABEL:   func.func @_QPtest_vector_subscripted_arg(19! CHECK-SAME:      %[[ARG0:.*]]: !fir.box<!fir.array<?x!fir.char<1,?>>> {fir.bindc_name = "c"},20! CHECK-SAME:      %[[ARG1:.*]]: !fir.box<!fir.array<?xi64>> {fir.bindc_name = "vector_subscript"}) {21! CHECK:           %[[VAL_0:.*]] = fir.dummy_scope : !fir.dscope22! CHECK:           %[[VAL_1:.*]]:2 = hlfir.declare %[[ARG0]] dummy_scope %[[VAL_0]] arg {{[0-9]+}} {uniq_name = "_QFtest_vector_subscripted_argEc"} : (!fir.box<!fir.array<?x!fir.char<1,?>>>, !fir.dscope) -> (!fir.box<!fir.array<?x!fir.char<1,?>>>, !fir.box<!fir.array<?x!fir.char<1,?>>>)23! CHECK:           %[[VAL_2:.*]]:2 = hlfir.declare %[[ARG1]] dummy_scope %[[VAL_0]] arg {{[0-9]+}} {uniq_name = "_QFtest_vector_subscripted_argEvector_subscript"} : (!fir.box<!fir.array<?xi64>>, !fir.dscope) -> (!fir.box<!fir.array<?xi64>>, !fir.box<!fir.array<?xi64>>)24! CHECK:           %[[VAL_3:.*]] = fir.box_elesize %[[VAL_1]]#1 : (!fir.box<!fir.array<?x!fir.char<1,?>>>) -> index25! CHECK:           %[[VAL_4:.*]] = arith.constant 0 : index26! CHECK:           %[[VAL_5:.*]]:3 = fir.box_dims %[[VAL_2]]#0, %[[VAL_4]] : (!fir.box<!fir.array<?xi64>>, index) -> (index, index, index)27! CHECK:           %[[VAL_6:.*]] = fir.shape %[[VAL_5]]#1 : (index) -> !fir.shape<1>28! CHECK:           %[[VAL_7:.*]] = arith.constant 1 : i6429! CHECK:           %[[VAL_8:.*]] = fir.convert %[[VAL_7]] : (i64) -> !fir.ref<!fir.char<1,?>>30! CHECK:           %[[VAL_9:.*]]:2 = hlfir.declare %[[VAL_8]] typeparams %[[VAL_3]] {fortran_attrs = #fir.var_attrs<intent_in>, uniq_name = "_QFtest_vector_subscripted_argFbug_145151_1Ec_dummy"} : (!fir.ref<!fir.char<1,?>>, index) -> (!fir.boxchar<1>, !fir.ref<!fir.char<1,?>>)31! CHECK:           %[[VAL_10:.*]] = fir.convert %[[VAL_3]] : (index) -> i6432! CHECK:           %[[VAL_11:.*]] = fir.convert %[[VAL_10]] : (i64) -> index33! CHECK:           %[[VAL_12:.*]] = arith.constant 0 : index34! CHECK:           %[[VAL_13:.*]] = arith.cmpi sgt, %[[VAL_11]], %[[VAL_12]] : index35! CHECK:           %[[VAL_14:.*]] = arith.select %[[VAL_13]], %[[VAL_11]], %[[VAL_12]] : index36! CHECK:           %[[VAL_15:.*]] = hlfir.elemental %[[VAL_6]] typeparams %[[VAL_14]] unordered : (!fir.shape<1>, index) -> !hlfir.expr<?x!fir.char<1,?>> {37! CHECK:           ^bb0(%[[VAL_16:.*]]: index):38! CHECK:             %[[VAL_17:.*]] = hlfir.designate %[[VAL_2]]#0 (%[[VAL_16]])  : (!fir.box<!fir.array<?xi64>>, index) -> !fir.ref<i64>39! CHECK:             %[[VAL_18:.*]] = fir.load %[[VAL_17]] : !fir.ref<i64>40! CHECK:             %[[VAL_19:.*]] = hlfir.designate %[[VAL_1]]#0 (%[[VAL_18]])  typeparams %[[VAL_3]] : (!fir.box<!fir.array<?x!fir.char<1,?>>>, i64, index) -> !fir.boxchar<1>41! CHECK:             %[[VAL_20:.*]] = fir.alloca !fir.char<1,?>(%[[VAL_14]] : index) {bindc_name = ".result"}42! CHECK:             %[[VAL_21:.*]] = fir.call @_QPbug_145151_1(%[[VAL_20]], %[[VAL_14]], %[[VAL_19]]) proc_attrs<elemental, pure> fastmath<contract> : (!fir.ref<!fir.char<1,?>>, index, !fir.boxchar<1>) -> !fir.boxchar<1>43! CHECK:             %[[VAL_22:.*]]:2 = hlfir.declare %[[VAL_20]] typeparams %[[VAL_14]] {uniq_name = ".tmp.func_result"} : (!fir.ref<!fir.char<1,?>>, index) -> (!fir.boxchar<1>, !fir.ref<!fir.char<1,?>>)44! CHECK:             %[[VAL_23:.*]] = arith.constant false45! CHECK:             %[[VAL_24:.*]] = hlfir.as_expr %[[VAL_22]]#0 move %[[VAL_23]] : (!fir.boxchar<1>, i1) -> !hlfir.expr<!fir.char<1,?>>46! CHECK:             hlfir.yield_element %[[VAL_24]] : !hlfir.expr<!fir.char<1,?>>47! CHECK:           }48! CHECK:           hlfir.assign %[[VAL_15]] to %[[VAL_1]]#0 : !hlfir.expr<?x!fir.char<1,?>>, !fir.box<!fir.array<?x!fir.char<1,?>>>49! CHECK:           hlfir.destroy %[[VAL_15]] : !hlfir.expr<?x!fir.char<1,?>>50! CHECK:           return51! CHECK:         }52 53! CHECK-LABEL:   fir.global @_QMm_bug_145151_2Ei : i64 {54! CHECK:           %[[VAL_0:.*]] = fir.zero_bits i6455! CHECK:           fir.has_value %[[VAL_0]] : i6456! CHECK:         }57 58 59 60 61module m_bug_145151_262  integer(8) :: i63end module64 65! Test that module variables used in the result specification expressions66! are mapped correctly.67subroutine test_module_variable(c, x)68  interface69    elemental function bug_145151_2(x)70      use m_bug_145151_2, only : i71      real, value :: x72      character(i) :: bug_145151_273    end74  end interface75  character(*) :: c(:)76  real :: x(:)77  c = bug_145151_2(x)78end subroutine79! CHECK-LABEL:   func.func @_QPtest_module_variable(80! CHECK-SAME:      %[[ARG0:.*]]: !fir.box<!fir.array<?x!fir.char<1,?>>> {fir.bindc_name = "c"},81! CHECK-SAME:      %[[ARG1:.*]]: !fir.box<!fir.array<?xf32>> {fir.bindc_name = "x"}) {82! CHECK:           %[[VAL_0:.*]] = fir.dummy_scope : !fir.dscope83! CHECK:           %[[VAL_1:.*]]:2 = hlfir.declare %[[ARG0]] dummy_scope %[[VAL_0]] arg {{[0-9]+}} {uniq_name = "_QFtest_module_variableEc"} : (!fir.box<!fir.array<?x!fir.char<1,?>>>, !fir.dscope) -> (!fir.box<!fir.array<?x!fir.char<1,?>>>, !fir.box<!fir.array<?x!fir.char<1,?>>>)84! CHECK:           %[[VAL_2:.*]]:2 = hlfir.declare %[[ARG1]] dummy_scope %[[VAL_0]] arg {{[0-9]+}} {uniq_name = "_QFtest_module_variableEx"} : (!fir.box<!fir.array<?xf32>>, !fir.dscope) -> (!fir.box<!fir.array<?xf32>>, !fir.box<!fir.array<?xf32>>)85! CHECK:           %[[VAL_3:.*]] = arith.constant 0 : index86! CHECK:           %[[VAL_4:.*]]:3 = fir.box_dims %[[VAL_2]]#0, %[[VAL_3]] : (!fir.box<!fir.array<?xf32>>, index) -> (index, index, index)87! CHECK:           %[[VAL_5:.*]] = fir.shape %[[VAL_4]]#1 : (index) -> !fir.shape<1>88! CHECK:           %[[VAL_6:.*]] = fir.address_of(@_QMm_bug_145151_2Ei) : !fir.ref<i64>89! CHECK:           %[[VAL_7:.*]]:2 = hlfir.declare %[[VAL_6]] {uniq_name = "_QMm_bug_145151_2Ei"} : (!fir.ref<i64>) -> (!fir.ref<i64>, !fir.ref<i64>)90! CHECK:           %[[VAL_8:.*]] = fir.load %[[VAL_7]]#0 : !fir.ref<i64>91! CHECK:           %[[VAL_9:.*]] = fir.convert %[[VAL_8]] : (i64) -> index92! CHECK:           %[[VAL_10:.*]] = arith.constant 0 : index93! CHECK:           %[[VAL_11:.*]] = arith.cmpi sgt, %[[VAL_9]], %[[VAL_10]] : index94! CHECK:           %[[VAL_12:.*]] = arith.select %[[VAL_11]], %[[VAL_9]], %[[VAL_10]] : index95! CHECK:           %[[VAL_13:.*]] = hlfir.elemental %[[VAL_5]] typeparams %[[VAL_12]] unordered : (!fir.shape<1>, index) -> !hlfir.expr<?x!fir.char<1,?>> {96! CHECK:           ^bb0(%[[VAL_14:.*]]: index):97! CHECK:             %[[VAL_15:.*]] = hlfir.designate %[[VAL_2]]#0 (%[[VAL_14]])  : (!fir.box<!fir.array<?xf32>>, index) -> !fir.ref<f32>98! CHECK:             %[[VAL_16:.*]] = fir.load %[[VAL_15]] : !fir.ref<f32>99! CHECK:             %[[VAL_17:.*]] = fir.alloca !fir.char<1,?>(%[[VAL_12]] : index) {bindc_name = ".result"}100! CHECK:             %[[VAL_18:.*]] = fir.call @_QPbug_145151_2(%[[VAL_17]], %[[VAL_12]], %[[VAL_16]]) proc_attrs<elemental, pure> fastmath<contract> : (!fir.ref<!fir.char<1,?>>, index, f32) -> !fir.boxchar<1>101! CHECK:             %[[VAL_19:.*]]:2 = hlfir.declare %[[VAL_17]] typeparams %[[VAL_12]] {uniq_name = ".tmp.func_result"} : (!fir.ref<!fir.char<1,?>>, index) -> (!fir.boxchar<1>, !fir.ref<!fir.char<1,?>>)102! CHECK:             %[[VAL_20:.*]] = arith.constant false103! CHECK:             %[[VAL_21:.*]] = hlfir.as_expr %[[VAL_19]]#0 move %[[VAL_20]] : (!fir.boxchar<1>, i1) -> !hlfir.expr<!fir.char<1,?>>104! CHECK:             hlfir.yield_element %[[VAL_21]] : !hlfir.expr<!fir.char<1,?>>105! CHECK:           }106! CHECK:           hlfir.assign %[[VAL_13]] to %[[VAL_1]]#0 : !hlfir.expr<?x!fir.char<1,?>>, !fir.box<!fir.array<?x!fir.char<1,?>>>107! CHECK:           hlfir.destroy %[[VAL_13]] : !hlfir.expr<?x!fir.char<1,?>>108! CHECK:           return109! CHECK:         }110 111 112! Test that optional arguments are not dereferenced unconditionally when preparing113! them for inquiries inside the result specification expressions.114subroutine test_present(res, x, opt)115  interface116    elemental function f_opt(x, opt)117      real, intent(in)  :: x118      real, intent(in), optional :: opt119      character(merge(10,20, present(opt))) :: f_opt120    end121  end interface122  character(*) :: res(:)123  real :: x(:)124  real, optional :: opt(:)125  res = f_opt(x, opt)126end subroutine127! CHECK-LABEL:   func.func @_QPtest_present(128! CHECK-SAME:      %[[ARG0:.*]]: !fir.box<!fir.array<?x!fir.char<1,?>>> {fir.bindc_name = "res"},129! CHECK-SAME:      %[[ARG1:.*]]: !fir.box<!fir.array<?xf32>> {fir.bindc_name = "x"},130! CHECK-SAME:      %[[ARG2:.*]]: !fir.box<!fir.array<?xf32>> {fir.bindc_name = "opt", fir.optional}) {131! CHECK:           %[[VAL_0:.*]] = fir.dummy_scope : !fir.dscope132! CHECK:           %[[VAL_1:.*]]:2 = hlfir.declare %[[ARG2]] dummy_scope %[[VAL_0]] arg {{[0-9]+}} {fortran_attrs = #fir.var_attrs<optional>, uniq_name = "_QFtest_presentEopt"} : (!fir.box<!fir.array<?xf32>>, !fir.dscope) -> (!fir.box<!fir.array<?xf32>>, !fir.box<!fir.array<?xf32>>)133! CHECK:           %[[VAL_2:.*]]:2 = hlfir.declare %[[ARG0]] dummy_scope %[[VAL_0]] arg {{[0-9]+}} {uniq_name = "_QFtest_presentEres"} : (!fir.box<!fir.array<?x!fir.char<1,?>>>, !fir.dscope) -> (!fir.box<!fir.array<?x!fir.char<1,?>>>, !fir.box<!fir.array<?x!fir.char<1,?>>>)134! CHECK:           %[[VAL_3:.*]]:2 = hlfir.declare %[[ARG1]] dummy_scope %[[VAL_0]] arg {{[0-9]+}} {uniq_name = "_QFtest_presentEx"} : (!fir.box<!fir.array<?xf32>>, !fir.dscope) -> (!fir.box<!fir.array<?xf32>>, !fir.box<!fir.array<?xf32>>)135! CHECK:           %[[VAL_4:.*]] = fir.is_present %[[VAL_1]]#0 : (!fir.box<!fir.array<?xf32>>) -> i1136! CHECK:           %[[VAL_5:.*]] = arith.constant 0 : index137! CHECK:           %[[VAL_6:.*]]:3 = fir.box_dims %[[VAL_3]]#0, %[[VAL_5]] : (!fir.box<!fir.array<?xf32>>, index) -> (index, index, index)138! CHECK:           %[[VAL_7:.*]] = fir.shape %[[VAL_6]]#1 : (index) -> !fir.shape<1>139! CHECK:           %[[VAL_8:.*]] = fir.if %[[VAL_4]] -> (!fir.ref<f32>) {140! CHECK:             %[[VAL_9:.*]] = arith.constant 1 : i64141! CHECK:             %[[VAL_10:.*]] = fir.convert %[[VAL_9]] : (i64) -> !fir.ref<f32>142! CHECK:             fir.result %[[VAL_10]] : !fir.ref<f32>143! CHECK:           } else {144! CHECK:             %[[VAL_11:.*]] = fir.absent !fir.ref<f32>145! CHECK:             fir.result %[[VAL_11]] : !fir.ref<f32>146! CHECK:           }147! CHECK:           %[[VAL_12:.*]]:2 = hlfir.declare %[[VAL_8]] {fortran_attrs = #fir.var_attrs<intent_in, optional>, uniq_name = "_QFtest_presentFf_optEopt"} : (!fir.ref<f32>) -> (!fir.ref<f32>, !fir.ref<f32>)148! CHECK:           %[[VAL_13:.*]] = arith.constant 10 : i32149! CHECK:           %[[VAL_14:.*]] = arith.constant 20 : i32150! CHECK:           %[[VAL_15:.*]] = fir.is_present %[[VAL_12]]#0 : (!fir.ref<f32>) -> i1151! CHECK:           %[[VAL_16:.*]] = arith.select %[[VAL_15]], %[[VAL_13]], %[[VAL_14]] : i32152! CHECK:           %[[VAL_17:.*]] = fir.convert %[[VAL_16]] : (i32) -> i64153! CHECK:           %[[VAL_18:.*]] = fir.convert %[[VAL_17]] : (i64) -> index154! CHECK:           %[[VAL_19:.*]] = arith.constant 0 : index155! CHECK:           %[[VAL_20:.*]] = arith.cmpi sgt, %[[VAL_18]], %[[VAL_19]] : index156! CHECK:           %[[VAL_21:.*]] = arith.select %[[VAL_20]], %[[VAL_18]], %[[VAL_19]] : index157! CHECK:           %[[VAL_22:.*]] = hlfir.elemental %[[VAL_7]] typeparams %[[VAL_21]] unordered : (!fir.shape<1>, index) -> !hlfir.expr<?x!fir.char<1,?>> {158! CHECK:           ^bb0(%[[VAL_23:.*]]: index):159! CHECK:             %[[VAL_24:.*]] = hlfir.designate %[[VAL_3]]#0 (%[[VAL_23]])  : (!fir.box<!fir.array<?xf32>>, index) -> !fir.ref<f32>160! CHECK:             %[[VAL_25:.*]] = fir.if %[[VAL_4]] -> (!fir.ref<f32>) {161! CHECK:               %[[VAL_26:.*]] = hlfir.designate %[[VAL_1]]#0 (%[[VAL_23]])  : (!fir.box<!fir.array<?xf32>>, index) -> !fir.ref<f32>162! CHECK:               fir.result %[[VAL_26]] : !fir.ref<f32>163! CHECK:             } else {164! CHECK:               %[[VAL_27:.*]] = fir.absent !fir.ref<f32>165! CHECK:               fir.result %[[VAL_27]] : !fir.ref<f32>166! CHECK:             }167! CHECK:             %[[VAL_28:.*]] = fir.alloca !fir.char<1,?>(%[[VAL_21]] : index) {bindc_name = ".result"}168! CHECK:             %[[VAL_29:.*]] = fir.call @_QPf_opt(%[[VAL_28]], %[[VAL_21]], %[[VAL_24]], %[[VAL_25]]) proc_attrs<elemental, pure> fastmath<contract> : (!fir.ref<!fir.char<1,?>>, index, !fir.ref<f32>, !fir.ref<f32>) -> !fir.boxchar<1>169! CHECK:             %[[VAL_30:.*]]:2 = hlfir.declare %[[VAL_28]] typeparams %[[VAL_21]] {uniq_name = ".tmp.func_result"} : (!fir.ref<!fir.char<1,?>>, index) -> (!fir.boxchar<1>, !fir.ref<!fir.char<1,?>>)170! CHECK:             %[[VAL_31:.*]] = arith.constant false171! CHECK:             %[[VAL_32:.*]] = hlfir.as_expr %[[VAL_30]]#0 move %[[VAL_31]] : (!fir.boxchar<1>, i1) -> !hlfir.expr<!fir.char<1,?>>172! CHECK:             hlfir.yield_element %[[VAL_32]] : !hlfir.expr<!fir.char<1,?>>173! CHECK:           }174! CHECK:           hlfir.assign %[[VAL_22]] to %[[VAL_2]]#0 : !hlfir.expr<?x!fir.char<1,?>>, !fir.box<!fir.array<?x!fir.char<1,?>>>175! CHECK:           hlfir.destroy %[[VAL_22]] : !hlfir.expr<?x!fir.char<1,?>>176! CHECK:           return177! CHECK:         }178 179! Test that inquiries about the dynamic type of arguments are handled inside the180! elemental result specification expressions.181subroutine test_polymorphic(res, p1, p2)182  type t183  end type184  interface185    elemental function f_poly(p1, p2)186      import :: t187      class(t), intent(in)  :: p1, p2188      character(merge(10,20, STORAGE_SIZE(p1).lt.STORAGE_SIZE(p2))) :: f_poly189    end190  end interface191  character(*) :: res(:)192  class(t), intent(in)  :: p1(:), p2(:)193  res = f_poly(p1, p2)194end subroutine195! CHECK-LABEL:   func.func @_QPtest_polymorphic(196! CHECK-SAME:      %[[ARG0:.*]]: !fir.box<!fir.array<?x!fir.char<1,?>>> {fir.bindc_name = "res"},197! CHECK-SAME:      %[[ARG1:.*]]: !fir.class<!fir.array<?x!fir.type<_QFtest_polymorphicTt>>> {fir.bindc_name = "p1"},198! CHECK-SAME:      %[[ARG2:.*]]: !fir.class<!fir.array<?x!fir.type<_QFtest_polymorphicTt>>> {fir.bindc_name = "p2"}) {199! CHECK:           %[[VAL_0:.*]] = fir.dummy_scope : !fir.dscope200! CHECK:           %[[VAL_1:.*]]:2 = hlfir.declare %[[ARG1]] dummy_scope %[[VAL_0]] arg {{[0-9]+}} {fortran_attrs = #fir.var_attrs<intent_in>, uniq_name = "_QFtest_polymorphicEp1"} : (!fir.class<!fir.array<?x!fir.type<_QFtest_polymorphicTt>>>, !fir.dscope) -> (!fir.class<!fir.array<?x!fir.type<_QFtest_polymorphicTt>>>, !fir.class<!fir.array<?x!fir.type<_QFtest_polymorphicTt>>>)201! CHECK:           %[[VAL_2:.*]]:2 = hlfir.declare %[[ARG2]] dummy_scope %[[VAL_0]] arg {{[0-9]+}} {fortran_attrs = #fir.var_attrs<intent_in>, uniq_name = "_QFtest_polymorphicEp2"} : (!fir.class<!fir.array<?x!fir.type<_QFtest_polymorphicTt>>>, !fir.dscope) -> (!fir.class<!fir.array<?x!fir.type<_QFtest_polymorphicTt>>>, !fir.class<!fir.array<?x!fir.type<_QFtest_polymorphicTt>>>)202! CHECK:           %[[VAL_3:.*]]:2 = hlfir.declare %[[ARG0]] dummy_scope %[[VAL_0]] arg {{[0-9]+}} {uniq_name = "_QFtest_polymorphicEres"} : (!fir.box<!fir.array<?x!fir.char<1,?>>>, !fir.dscope) -> (!fir.box<!fir.array<?x!fir.char<1,?>>>, !fir.box<!fir.array<?x!fir.char<1,?>>>)203! CHECK:           %[[VAL_4:.*]] = arith.constant 0 : index204! CHECK:           %[[VAL_5:.*]]:3 = fir.box_dims %[[VAL_1]]#0, %[[VAL_4]] : (!fir.class<!fir.array<?x!fir.type<_QFtest_polymorphicTt>>>, index) -> (index, index, index)205! CHECK:           %[[VAL_6:.*]] = fir.shape %[[VAL_5]]#1 : (index) -> !fir.shape<1>206! CHECK:           %[[VAL_7:.*]] = arith.constant 1 : i64207! CHECK:           %[[VAL_8:.*]] = fir.convert %[[VAL_7]] : (i64) -> !fir.ref<!fir.type<_QFtest_polymorphicTt>>208! CHECK:           %[[VAL_9:.*]] = fir.embox %[[VAL_8]] source_box %[[VAL_1]]#0 : (!fir.ref<!fir.type<_QFtest_polymorphicTt>>, !fir.class<!fir.array<?x!fir.type<_QFtest_polymorphicTt>>>) -> !fir.class<!fir.type<_QFtest_polymorphicTt>>209! CHECK:           %[[VAL_10:.*]] = arith.constant 1 : i64210! CHECK:           %[[VAL_11:.*]] = fir.convert %[[VAL_10]] : (i64) -> !fir.ref<!fir.type<_QFtest_polymorphicTt>>211! CHECK:           %[[VAL_12:.*]] = fir.embox %[[VAL_11]] source_box %[[VAL_2]]#0 : (!fir.ref<!fir.type<_QFtest_polymorphicTt>>, !fir.class<!fir.array<?x!fir.type<_QFtest_polymorphicTt>>>) -> !fir.class<!fir.type<_QFtest_polymorphicTt>>212! CHECK:           %[[VAL_13:.*]]:2 = hlfir.declare %[[VAL_9]] {fortran_attrs = #fir.var_attrs<intent_in>, uniq_name = "_QFtest_polymorphicFf_polyEp1"} : (!fir.class<!fir.type<_QFtest_polymorphicTt>>) -> (!fir.class<!fir.type<_QFtest_polymorphicTt>>, !fir.class<!fir.type<_QFtest_polymorphicTt>>)213! CHECK:           %[[VAL_14:.*]]:2 = hlfir.declare %[[VAL_12]] {fortran_attrs = #fir.var_attrs<intent_in>, uniq_name = "_QFtest_polymorphicFf_polyEp2"} : (!fir.class<!fir.type<_QFtest_polymorphicTt>>) -> (!fir.class<!fir.type<_QFtest_polymorphicTt>>, !fir.class<!fir.type<_QFtest_polymorphicTt>>)214! CHECK:           %[[VAL_15:.*]] = arith.constant 10 : i32215! CHECK:           %[[VAL_16:.*]] = arith.constant 20 : i32216! CHECK:           %[[VAL_17:.*]] = fir.box_elesize %[[VAL_13]]#1 : (!fir.class<!fir.type<_QFtest_polymorphicTt>>) -> i32217! CHECK:           %[[VAL_18:.*]] = arith.constant 8 : i32218! CHECK:           %[[VAL_19:.*]] = arith.muli %[[VAL_17]], %[[VAL_18]] : i32219! CHECK:           %[[VAL_20:.*]] = fir.box_elesize %[[VAL_14]]#1 : (!fir.class<!fir.type<_QFtest_polymorphicTt>>) -> i32220! CHECK:           %[[VAL_21:.*]] = arith.constant 8 : i32221! CHECK:           %[[VAL_22:.*]] = arith.muli %[[VAL_20]], %[[VAL_21]] : i32222! CHECK:           %[[VAL_23:.*]] = arith.cmpi slt, %[[VAL_19]], %[[VAL_22]] : i32223! CHECK:           %[[VAL_24:.*]] = arith.select %[[VAL_23]], %[[VAL_15]], %[[VAL_16]] : i32224! CHECK:           %[[VAL_25:.*]] = fir.convert %[[VAL_24]] : (i32) -> i64225! CHECK:           %[[VAL_26:.*]] = fir.convert %[[VAL_25]] : (i64) -> index226! CHECK:           %[[VAL_27:.*]] = arith.constant 0 : index227! CHECK:           %[[VAL_28:.*]] = arith.cmpi sgt, %[[VAL_26]], %[[VAL_27]] : index228! CHECK:           %[[VAL_29:.*]] = arith.select %[[VAL_28]], %[[VAL_26]], %[[VAL_27]] : index229! CHECK:           %[[VAL_30:.*]] = hlfir.elemental %[[VAL_6]] typeparams %[[VAL_29]] unordered : (!fir.shape<1>, index) -> !hlfir.expr<?x!fir.char<1,?>> {230! CHECK:           ^bb0(%[[VAL_31:.*]]: index):231! CHECK:             %[[VAL_32:.*]] = hlfir.designate %[[VAL_1]]#0 (%[[VAL_31]])  : (!fir.class<!fir.array<?x!fir.type<_QFtest_polymorphicTt>>>, index) -> !fir.class<!fir.type<_QFtest_polymorphicTt>>232! CHECK:             %[[VAL_33:.*]] = hlfir.designate %[[VAL_2]]#0 (%[[VAL_31]])  : (!fir.class<!fir.array<?x!fir.type<_QFtest_polymorphicTt>>>, index) -> !fir.class<!fir.type<_QFtest_polymorphicTt>>233! CHECK:             %[[VAL_34:.*]] = fir.alloca !fir.char<1,?>(%[[VAL_29]] : index) {bindc_name = ".result"}234! CHECK:             %[[VAL_35:.*]] = fir.call @_QPf_poly(%[[VAL_34]], %[[VAL_29]], %[[VAL_32]], %[[VAL_33]]) proc_attrs<elemental, pure> fastmath<contract> : (!fir.ref<!fir.char<1,?>>, index, !fir.class<!fir.type<_QFtest_polymorphicTt>>, !fir.class<!fir.type<_QFtest_polymorphicTt>>) -> !fir.boxchar<1>235! CHECK:             %[[VAL_36:.*]]:2 = hlfir.declare %[[VAL_34]] typeparams %[[VAL_29]] {uniq_name = ".tmp.func_result"} : (!fir.ref<!fir.char<1,?>>, index) -> (!fir.boxchar<1>, !fir.ref<!fir.char<1,?>>)236! CHECK:             %[[VAL_37:.*]] = arith.constant false237! CHECK:             %[[VAL_38:.*]] = hlfir.as_expr %[[VAL_36]]#0 move %[[VAL_37]] : (!fir.boxchar<1>, i1) -> !hlfir.expr<!fir.char<1,?>>238! CHECK:             hlfir.yield_element %[[VAL_38]] : !hlfir.expr<!fir.char<1,?>>239! CHECK:           }240! CHECK:           hlfir.assign %[[VAL_30]] to %[[VAL_3]]#0 : !hlfir.expr<?x!fir.char<1,?>>, !fir.box<!fir.array<?x!fir.char<1,?>>>241! CHECK:           hlfir.destroy %[[VAL_30]] : !hlfir.expr<?x!fir.char<1,?>>242! CHECK:           return243! CHECK:         }244 245! Test that no copy of VALUE argument is made before the loop when246! evaluating the result specification expression (while a copy247! of the argument elements have to be made inside the loop).248subroutine test_value(c)249  interface250    elemental function f_value(c_dummy)251      character(*), value :: c_dummy252      character(len(c_dummy, KIND=8)) :: f_value253    end254  end interface255  character(*) :: c(:)256  c = f_value(c)257end subroutine258! CHECK-LABEL:   func.func @_QPtest_value(259! CHECK-SAME:      %[[ARG0:.*]]: !fir.box<!fir.array<?x!fir.char<1,?>>> {fir.bindc_name = "c"}) {260! CHECK:           %[[VAL_0:.*]] = fir.dummy_scope : !fir.dscope261! CHECK:           %[[VAL_1:.*]]:2 = hlfir.declare %[[ARG0]] dummy_scope %[[VAL_0]] arg {{[0-9]+}} {uniq_name = "_QFtest_valueEc"} : (!fir.box<!fir.array<?x!fir.char<1,?>>>, !fir.dscope) -> (!fir.box<!fir.array<?x!fir.char<1,?>>>, !fir.box<!fir.array<?x!fir.char<1,?>>>)262! CHECK:           %[[VAL_2:.*]] = arith.constant 0 : index263! CHECK:           %[[VAL_3:.*]]:3 = fir.box_dims %[[VAL_1]]#0, %[[VAL_2]] : (!fir.box<!fir.array<?x!fir.char<1,?>>>, index) -> (index, index, index)264! CHECK:           %[[VAL_4:.*]] = fir.shape %[[VAL_3]]#1 : (index) -> !fir.shape<1>265! CHECK:           %[[VAL_5:.*]] = arith.constant 1 : i64266! CHECK:           %[[VAL_6:.*]] = fir.convert %[[VAL_5]] : (i64) -> !fir.ref<!fir.char<1,?>>267! CHECK:           %[[VAL_7:.*]] = fir.box_elesize %[[VAL_1]]#1 : (!fir.box<!fir.array<?x!fir.char<1,?>>>) -> index268! CHECK:           %[[VAL_8:.*]]:2 = hlfir.declare %[[VAL_6]] typeparams %[[VAL_7]] {fortran_attrs = #fir.var_attrs<value>, uniq_name = "_QFtest_valueFf_valueEc_dummy"} : (!fir.ref<!fir.char<1,?>>, index) -> (!fir.boxchar<1>, !fir.ref<!fir.char<1,?>>)269! CHECK:           %[[VAL_9:.*]] = fir.convert %[[VAL_7]] : (index) -> i64270! CHECK:           %[[VAL_10:.*]] = fir.convert %[[VAL_9]] : (i64) -> index271! CHECK:           %[[VAL_11:.*]] = arith.constant 0 : index272! CHECK:           %[[VAL_12:.*]] = arith.cmpi sgt, %[[VAL_10]], %[[VAL_11]] : index273! CHECK:           %[[VAL_13:.*]] = arith.select %[[VAL_12]], %[[VAL_10]], %[[VAL_11]] : index274! CHECK:           %[[VAL_14:.*]] = hlfir.elemental %[[VAL_4]] typeparams %[[VAL_13]] unordered : (!fir.shape<1>, index) -> !hlfir.expr<?x!fir.char<1,?>> {275! CHECK:           ^bb0(%[[VAL_15:.*]]: index):276! CHECK:             %[[VAL_16:.*]] = fir.box_elesize %[[VAL_1]]#1 : (!fir.box<!fir.array<?x!fir.char<1,?>>>) -> index277! CHECK:             %[[VAL_17:.*]] = hlfir.designate %[[VAL_1]]#0 (%[[VAL_15]])  typeparams %[[VAL_16]] : (!fir.box<!fir.array<?x!fir.char<1,?>>>, index, index) -> !fir.boxchar<1>278! CHECK:             %[[VAL_18:.*]] = hlfir.as_expr %[[VAL_17]] : (!fir.boxchar<1>) -> !hlfir.expr<!fir.char<1,?>>279! CHECK:             %[[VAL_19:.*]]:3 = hlfir.associate %[[VAL_18]] typeparams %[[VAL_16]] {adapt.valuebyref} : (!hlfir.expr<!fir.char<1,?>>, index) -> (!fir.boxchar<1>, !fir.ref<!fir.char<1,?>>, i1)280! CHECK:             %[[VAL_20:.*]] = fir.alloca !fir.char<1,?>(%[[VAL_13]] : index) {bindc_name = ".result"}281! CHECK:             %[[VAL_21:.*]] = fir.call @_QPf_value(%[[VAL_20]], %[[VAL_13]], %[[VAL_19]]#0) proc_attrs<elemental, pure> fastmath<contract> : (!fir.ref<!fir.char<1,?>>, index, !fir.boxchar<1>) -> !fir.boxchar<1>282! CHECK:             %[[VAL_22:.*]]:2 = hlfir.declare %[[VAL_20]] typeparams %[[VAL_13]] {uniq_name = ".tmp.func_result"} : (!fir.ref<!fir.char<1,?>>, index) -> (!fir.boxchar<1>, !fir.ref<!fir.char<1,?>>)283! CHECK:             %[[VAL_23:.*]] = arith.constant false284! CHECK:             %[[VAL_24:.*]] = hlfir.as_expr %[[VAL_22]]#0 move %[[VAL_23]] : (!fir.boxchar<1>, i1) -> !hlfir.expr<!fir.char<1,?>>285! CHECK:             hlfir.end_associate %[[VAL_19]]#1, %[[VAL_19]]#2 : !fir.ref<!fir.char<1,?>>, i1286! CHECK:             hlfir.yield_element %[[VAL_24]] : !hlfir.expr<!fir.char<1,?>>287! CHECK:           }288! CHECK:           hlfir.assign %[[VAL_14]] to %[[VAL_1]]#0 : !hlfir.expr<?x!fir.char<1,?>>, !fir.box<!fir.array<?x!fir.char<1,?>>>289! CHECK:           hlfir.destroy %[[VAL_14]] : !hlfir.expr<?x!fir.char<1,?>>290! CHECK:           return291! CHECK:         }292