! RUN: %flang_fc1 -emit-hlfir %s -o - | FileCheck %s module callee implicit none contains ! CHECK-LABEL: func.func @_QMcalleePreturn_cst_array() -> !fir.array<20x30xf32> function return_cst_array() real :: return_cst_array(20, 30) end function ! CHECK-LABEL: func.func @_QMcalleePreturn_dyn_array( ! CHECK-SAME: %{{.*}}: !fir.ref{{.*}}, %{{.*}}: !fir.ref{{.*}}) -> !fir.array function return_dyn_array(m, n) integer :: m, n real :: return_dyn_array(m, n) end function ! CHECK-LABEL: func.func @_QMcalleePreturn_cst_char_cst_array() -> !fir.array<20x30x!fir.char<1,10>> function return_cst_char_cst_array() character(10) :: return_cst_char_cst_array(20, 30) end function ! CHECK-LABEL: func.func @_QMcalleePreturn_dyn_char_cst_array( ! CHECK-SAME: %{{.*}}: !fir.ref{{.*}}) -> !fir.array<20x30x!fir.char<1,?>> function return_dyn_char_cst_array(l) integer :: l character(l) :: return_dyn_char_cst_array(20, 30) end function ! CHECK-LABEL: func.func @_QMcalleePreturn_cst_char_dyn_array( ! CHECK-SAME: %{{.*}}: !fir.ref{{.*}}, %{{.*}}: !fir.ref{{.*}}) -> !fir.array> function return_cst_char_dyn_array(m, n) integer :: m, n character(10) :: return_cst_char_dyn_array(m, n) end function ! CHECK-LABEL: func.func @_QMcalleePreturn_dyn_char_dyn_array( ! CHECK-SAME: %{{.*}}: !fir.ref{{.*}}, %{{.*}}: !fir.ref{{.*}}, %{{.*}}: !fir.ref{{.*}}) -> !fir.array> function return_dyn_char_dyn_array(l, m, n) integer :: l, m, n character(l) :: return_dyn_char_dyn_array(m, n) end function ! CHECK-LABEL: func.func @_QMcalleePreturn_alloc() -> !fir.box>> function return_alloc() real, allocatable :: return_alloc(:) end function ! CHECK-LABEL: func.func @_QMcalleePreturn_cst_char_alloc() -> !fir.box>>> function return_cst_char_alloc() character(10), allocatable :: return_cst_char_alloc(:) end function ! CHECK-LABEL: func.func @_QMcalleePreturn_dyn_char_alloc( ! CHECK-SAME: %{{.*}}: !fir.ref{{.*}}) -> !fir.box>>> function return_dyn_char_alloc(l) integer :: l character(l), allocatable :: return_dyn_char_alloc(:) end function ! CHECK-LABEL: func.func @_QMcalleePreturn_def_char_alloc() -> !fir.box>>> function return_def_char_alloc() character(:), allocatable :: return_def_char_alloc(:) end function ! CHECK-LABEL: func.func @_QMcalleePreturn_pointer() -> !fir.box>> function return_pointer() real, pointer :: return_pointer(:) end function ! CHECK-LABEL: func.func @_QMcalleePreturn_cst_char_pointer() -> !fir.box>>> function return_cst_char_pointer() character(10), pointer :: return_cst_char_pointer(:) end function ! CHECK-LABEL: func.func @_QMcalleePreturn_dyn_char_pointer( ! CHECK-SAME: %{{.*}}: !fir.ref{{.*}}) -> !fir.box>>> function return_dyn_char_pointer(l) integer :: l character(l), pointer :: return_dyn_char_pointer(:) end function ! CHECK-LABEL: func.func @_QMcalleePreturn_def_char_pointer() -> !fir.box>>> function return_def_char_pointer() character(:), pointer :: return_def_char_pointer(:) end function end module module caller use callee contains ! CHECK-LABEL: func.func @_QMcallerPcst_array() subroutine cst_array() ! CHECK: %[[VAL_14:.*]] = fir.shape %{{.*}}, %{{.*}} : (index, index) -> !fir.shape<2> ! CHECK: %[[VAL_15:.*]] = hlfir.eval_in_mem shape %[[VAL_14]] : (!fir.shape<2>) -> !hlfir.expr<20x30xf32> { ! CHECK: ^bb0(%[[ARG:.*]]: !fir.ref>): ! CHECK: %[[RES:.*]] = fir.call @_QMcalleePreturn_cst_array() {{.*}}: () -> !fir.array<20x30xf32> ! CHECK: fir.save_result %[[RES]] to %[[ARG]](%[[VAL_14]]) : !fir.array<20x30xf32>, !fir.ref>, !fir.shape<2> ! CHECK: } ! CHECK: %[[VAL_16:.*]]:3 = hlfir.associate %[[VAL_15]](%[[VAL_14]]) print *, return_cst_array() end subroutine ! CHECK-LABEL: func.func @_QMcallerPcst_char_cst_array() subroutine cst_char_cst_array() ! CHECK: %[[VAL_17:.*]] = fir.shape %{{.*}}, %{{.*}} : (index, index) -> !fir.shape<2> ! CHECK: %[[VAL_18:.*]] = hlfir.eval_in_mem shape %[[VAL_17]] typeparams %{{.*}} : (!fir.shape<2>, index) -> !hlfir.expr<20x30x!fir.char<1,10>> { ! CHECK: ^bb0(%[[ARG:.*]]: !fir.ref>>): ! CHECK: %[[RES:.*]] = fir.call @_QMcalleePreturn_cst_char_cst_array() {{.*}}: () -> !fir.array<20x30x!fir.char<1,10>> ! CHECK: fir.save_result %[[RES]] to %[[ARG]](%[[VAL_17]]) typeparams %{{.*}} : !fir.array<20x30x!fir.char<1,10>>, !fir.ref>>, !fir.shape<2>, index ! CHECK: } ! CHECK: %[[VAL_19:.*]]:3 = hlfir.associate %[[VAL_18]](%[[VAL_17]]) typeparams %{{.*}} print *, return_cst_char_cst_array() end subroutine ! CHECK-LABEL: func.func @_QMcallerPalloc() subroutine alloc() ! CHECK: %[[VAL_0:.*]] = fir.alloca !fir.box>> {bindc_name = ".result"} ! CHECK: %[[VAL_5:.*]]:2 = hlfir.declare %[[VAL_0]] {uniq_name = ".tmp.func_result"} ! CHECK: %[[VAL_6:.*]] = fir.call @_QMcalleePreturn_alloc() {{.*}}: () -> !fir.box>> ! CHECK: fir.save_result %[[VAL_6]] to %[[VAL_5]]#0 : !fir.box>>, !fir.ref>>> print *, return_alloc() ! CHECK: %[[load:.*]] = fir.load %[[VAL_5]]#0 : !fir.ref>>> ! CHECK: %[[as_expr:.*]] = hlfir.as_expr %[[load]] move %{{.*}} : (!fir.box>>, i1) -> !hlfir.expr ! CHECK: %[[assoc:.*]]:3 = hlfir.associate %[[as_expr]]({{.*}}) {adapt.valuebyref} : (!hlfir.expr, !fir.shape<1>) -> (!fir.box>, !fir.ref>, i1) ! CHECK: _FortranAioOutputDescriptor ! CHECK: hlfir.end_associate %[[assoc]]#1, %[[assoc]]#2 : !fir.ref>, i1 ! CHECK: hlfir.destroy %[[as_expr]] : !hlfir.expr end subroutine ! CHECK-LABEL: func.func @_QMcallerPcst_char_alloc() subroutine cst_char_alloc() ! CHECK: %[[VAL_0:.*]] = fir.alloca !fir.box>>> {bindc_name = ".result"} ! CHECK: %[[VAL_9:.*]]:2 = hlfir.declare %[[VAL_0]] typeparams %{{.*}} {uniq_name = ".tmp.func_result"} ! CHECK: %[[VAL_10:.*]] = fir.call @_QMcalleePreturn_cst_char_alloc() {{.*}}: () -> !fir.box>>> ! CHECK: fir.save_result %[[VAL_10]] to %[[VAL_9]]#0 : !fir.box>>>, !fir.ref>>>> print *, return_cst_char_alloc() ! CHECK: %[[load:.*]] = fir.load %[[VAL_9]]#0 : !fir.ref>>>> ! CHECK: %[[as_expr:.*]] = hlfir.as_expr %[[load]] move %{{.*}} : (!fir.box>>>, i1) -> !hlfir.expr> ! CHECK: %[[assoc:.*]]:3 = hlfir.associate %[[as_expr]]({{.*}}) typeparams %{{.*}} {adapt.valuebyref} : (!hlfir.expr>, !fir.shape<1>, index) -> (!fir.box>>, !fir.ref>>, i1) ! CHECK: _FortranAioOutputDescriptor ! CHECK: hlfir.end_associate %[[assoc]]#1, %[[assoc]]#2 : !fir.ref>>, i1 ! CHECK: hlfir.destroy %[[as_expr]] : !hlfir.expr> end subroutine ! CHECK-LABEL: func.func @_QMcallerPdef_char_alloc() subroutine def_char_alloc() ! CHECK: %[[VAL_0:.*]] = fir.alloca !fir.box>>> {bindc_name = ".result"} ! CHECK: %[[VAL_5:.*]]:2 = hlfir.declare %[[VAL_0]] {uniq_name = ".tmp.func_result"} ! CHECK: %[[VAL_6:.*]] = fir.call @_QMcalleePreturn_def_char_alloc() {{.*}}: () -> !fir.box>>> ! CHECK: fir.save_result %[[VAL_6]] to %[[VAL_5]]#0 : !fir.box>>>, !fir.ref>>>> print *, return_def_char_alloc() ! CHECK: %[[load:.*]] = fir.load %[[VAL_5]]#0 : !fir.ref>>>> ! CHECK: %[[as_expr:.*]] = hlfir.as_expr %[[load]] move %{{.*}} : (!fir.box>>>, i1) -> !hlfir.expr> ! CHECK: %[[assoc:.*]]:3 = hlfir.associate %[[as_expr]]({{.*}}) typeparams %{{.*}} {adapt.valuebyref} : (!hlfir.expr>, !fir.shape<1>, index) -> (!fir.box>>, !fir.ref>>, i1) ! CHECK: _FortranAioOutputDescriptor ! CHECK: hlfir.end_associate %[[assoc]]#1, %[[assoc]]#2 : !fir.ref>>, i1 ! CHECK: hlfir.destroy %[[as_expr]] : !hlfir.expr> end subroutine ! CHECK-LABEL: func.func @_QMcallerPpointer_test() subroutine pointer_test() ! CHECK: %[[VAL_0:.*]] = fir.alloca !fir.box>> {bindc_name = ".result"} ! CHECK: %[[VAL_5:.*]] = fir.call @_QMcalleePreturn_pointer() {{.*}}: () -> !fir.box>> ! CHECK: fir.save_result %[[VAL_5]] to %[[VAL_0]] : !fir.box>>, !fir.ref>>> print *, return_pointer() ! CHECK: %[[load:.*]] = fir.load %{{.*}} : !fir.ref>>> ! CHECK: _FortranAioOutputDescriptor ! CHECK-NOT: fir.freemem end subroutine ! CHECK-LABEL: func.func @_QMcallerPcst_char_pointer() subroutine cst_char_pointer() ! CHECK: %[[VAL_0:.*]] = fir.alloca !fir.box>>> {bindc_name = ".result"} ! CHECK: %[[VAL_9:.*]] = fir.call @_QMcalleePreturn_cst_char_pointer() {{.*}}: () -> !fir.box>>> ! CHECK: fir.save_result %[[VAL_9]] to %[[VAL_0]] : !fir.box>>>, !fir.ref>>>> print *, return_cst_char_pointer() ! CHECK: %[[load:.*]] = fir.load %{{.*}} : !fir.ref>>>> ! CHECK: _FortranAioOutputDescriptor ! CHECK-NOT: fir.freemem end subroutine ! CHECK-LABEL: func.func @_QMcallerPdef_char_pointer() subroutine def_char_pointer() ! CHECK: %[[VAL_0:.*]] = fir.alloca !fir.box>>> {bindc_name = ".result"} ! CHECK: %[[VAL_5:.*]] = fir.call @_QMcalleePreturn_def_char_pointer() {{.*}}: () -> !fir.box>>> ! CHECK: fir.save_result %[[VAL_5]] to %[[VAL_0]] : !fir.box>>>, !fir.ref>>>> print *, return_def_char_pointer() ! CHECK: %[[load:.*]] = fir.load %{{.*}} : !fir.ref>>>> ! CHECK: _FortranAioOutputDescriptor ! CHECK-NOT: fir.freemem end subroutine ! CHECK-LABEL: func.func @_QMcallerPdyn_array( ! CHECK-SAME: %[[m:.*]]: !fir.ref{{.*}}, %[[n:.*]]: !fir.ref{{.*}}) { subroutine dyn_array(m, n) integer :: m, n ! CHECK: %[[VAL_22:.*]] = fir.shape %{{.*}}, %{{.*}} : (index, index) -> !fir.shape<2> ! CHECK: %[[VAL_23:.*]] = hlfir.eval_in_mem shape %[[VAL_22]] : (!fir.shape<2>) -> !hlfir.expr { ! CHECK: ^bb0(%[[ARG:.*]]: !fir.ref>): ! CHECK: %[[RES:.*]] = fir.call @_QMcalleePreturn_dyn_array(%{{.*}}, %{{.*}}) {{.*}}: (!fir.ref, !fir.ref) -> !fir.array ! CHECK: fir.save_result %[[RES]] to %[[ARG]](%[[VAL_22]]) : !fir.array, !fir.ref>, !fir.shape<2> ! CHECK: } ! CHECK: %[[VAL_24:.*]]:3 = hlfir.associate %[[VAL_23]](%[[VAL_22]]) {adapt.valuebyref} print *, return_dyn_array(m, n) ! CHECK: _FortranAioOutputDescriptor ! CHECK: hlfir.end_associate %[[VAL_24]]#1, %[[VAL_24]]#2 : !fir.ref>, i1 ! CHECK: hlfir.destroy %[[VAL_23]] : !hlfir.expr end subroutine ! CHECK-LABEL: func.func @_QMcallerPdyn_char_cst_array( ! CHECK-SAME: %[[l:.*]]: !fir.ref{{.*}}) { subroutine dyn_char_cst_array(l) integer :: l ! CHECK: %[[VAL_21:.*]] = fir.shape %{{.*}}, %{{.*}} : (index, index) -> !fir.shape<2> ! CHECK: %[[VAL_22:.*]] = hlfir.eval_in_mem shape %[[VAL_21]] typeparams %[[VAL_20:.*]] : (!fir.shape<2>, index) -> !hlfir.expr<20x30x!fir.char<1,?>> { ! CHECK: ^bb0(%[[ARG:.*]]: !fir.ref>>): ! CHECK: %[[RES:.*]] = fir.call @_QMcalleePreturn_dyn_char_cst_array(%{{.*}}) {{.*}}: (!fir.ref) -> !fir.array<20x30x!fir.char<1,?>> ! CHECK: fir.save_result %[[RES]] to %[[ARG]](%[[VAL_21]]) typeparams %[[VAL_20]] : !fir.array<20x30x!fir.char<1,?>>, !fir.ref>>, !fir.shape<2>, index ! CHECK: } ! CHECK: %[[VAL_23:.*]]:3 = hlfir.associate %[[VAL_22]](%[[VAL_21]]) typeparams %[[VAL_20]] {adapt.valuebyref} print *, return_dyn_char_cst_array(l) ! CHECK: _FortranAioOutputDescriptor ! CHECK: hlfir.end_associate %[[VAL_23]]#1, %[[VAL_23]]#2 : !fir.ref>>, i1 ! CHECK: hlfir.destroy %[[VAL_22]] : !hlfir.expr<20x30x!fir.char<1,?>> end subroutine ! CHECK-LABEL: func.func @_QMcallerPcst_char_dyn_array( ! CHECK-SAME: %[[m:.*]]: !fir.ref{{.*}}, %[[n:.*]]: !fir.ref{{.*}}) { subroutine cst_char_dyn_array(m, n) integer :: m, n ! CHECK: %[[VAL_25:.*]] = fir.shape %{{.*}}, %{{.*}} : (index, index) -> !fir.shape<2> ! CHECK: %[[VAL_26:.*]] = hlfir.eval_in_mem shape %[[VAL_25]] typeparams %[[VAL_24:.*]] : (!fir.shape<2>, index) -> !hlfir.expr> { ! CHECK: ^bb0(%[[ARG:.*]]: !fir.ref>>): ! CHECK: %[[RES:.*]] = fir.call @_QMcalleePreturn_cst_char_dyn_array(%{{.*}}, %{{.*}}) {{.*}}: (!fir.ref, !fir.ref) -> !fir.array> ! CHECK: fir.save_result %[[RES]] to %[[ARG]](%[[VAL_25]]) typeparams %[[VAL_24]] : !fir.array>, !fir.ref>>, !fir.shape<2>, index ! CHECK: } ! CHECK: %[[VAL_27:.*]]:3 = hlfir.associate %[[VAL_26]](%[[VAL_25]]) typeparams %[[VAL_24]] {adapt.valuebyref} print *, return_cst_char_dyn_array(m, n) ! CHECK: _FortranAioOutputDescriptor ! CHECK: hlfir.end_associate %[[VAL_27]]#1, %[[VAL_27]]#2 : !fir.ref>>, i1 ! CHECK: hlfir.destroy %[[VAL_26]] : !hlfir.expr> end subroutine ! CHECK-LABEL: func.func @_QMcallerPdyn_char_dyn_array( ! CHECK-SAME: %[[l:.*]]: !fir.ref{{.*}}, %[[m:.*]]: !fir.ref{{.*}}, %[[n:.*]]: !fir.ref{{.*}}) { subroutine dyn_char_dyn_array(l, m, n) ! CHECK: %[[VAL_29:.*]] = fir.shape %{{.*}}, %{{.*}} : (index, index) -> !fir.shape<2> ! CHECK: %[[VAL_30:.*]] = hlfir.eval_in_mem shape %[[VAL_29]] typeparams %[[VAL_28:.*]] : (!fir.shape<2>, index) -> !hlfir.expr> { ! CHECK: ^bb0(%[[ARG:.*]]: !fir.ref>>): ! CHECK: %[[RES:.*]] = fir.call @_QMcalleePreturn_dyn_char_dyn_array(%{{.*}}, %{{.*}}, %{{.*}}) {{.*}}: (!fir.ref, !fir.ref, !fir.ref) -> !fir.array> ! CHECK: fir.save_result %[[RES]] to %[[ARG]](%[[VAL_29]]) typeparams %[[VAL_28]] : !fir.array>, !fir.ref>>, !fir.shape<2>, index ! CHECK: } ! CHECK: %[[VAL_31:.*]]:3 = hlfir.associate %[[VAL_30]](%[[VAL_29]]) typeparams %[[VAL_28]] {adapt.valuebyref} integer :: l, m, n print *, return_dyn_char_dyn_array(l, m, n) ! CHECK: _FortranAioOutputDescriptor ! CHECK: hlfir.end_associate %[[VAL_31]]#1, %[[VAL_31]]#2 : !fir.ref>>, i1 ! CHECK: hlfir.destroy %[[VAL_30]] : !hlfir.expr> end subroutine ! CHECK-LABEL: func.func @_QMcallerPdyn_char_alloc subroutine dyn_char_alloc(l) integer :: l ! CHECK: %[[VAL_0:.*]] = fir.alloca !fir.box>>> {bindc_name = ".result"} ! CHECK: %[[VAL_13:.*]]:2 = hlfir.declare %[[VAL_0]] typeparams %[[VAL_11:.*]] {uniq_name = ".tmp.func_result"} ! CHECK: %[[VAL_14:.*]] = fir.call @_QMcalleePreturn_dyn_char_alloc({{.*}}) {{.*}}: (!fir.ref) -> !fir.box>>> ! CHECK: fir.save_result %[[VAL_14]] to %[[VAL_13]]#0 : !fir.box>>>, !fir.ref>>>> print *, return_dyn_char_alloc(l) ! CHECK: _FortranAioOutputDescriptor ! CHECK: hlfir.destroy %{{.*}} : !hlfir.expr> end subroutine ! CHECK-LABEL: func.func @_QMcallerPdyn_char_pointer subroutine dyn_char_pointer(l) integer :: l ! CHECK: %[[VAL_0:.*]] = fir.alloca !fir.box>>> {bindc_name = ".result"} ! CHECK: %[[VAL_13:.*]] = fir.call @_QMcalleePreturn_dyn_char_pointer({{.*}}) {{.*}}: (!fir.ref) -> !fir.box>>> ! CHECK: fir.save_result %[[VAL_13]] to %[[VAL_0]] : !fir.box>>>, !fir.ref>>>> ! CHECK: %[[VAL_14:.*]]:2 = hlfir.declare %[[VAL_0]] typeparams %[[VAL_11:.*]] {uniq_name = ".tmp.func_result"} print *, return_dyn_char_pointer(l) ! CHECK-NOT: fir.freemem end subroutine end module ! Test more complex symbol dependencies in the result specification expression module m_with_equiv integer(8) :: l integer(8) :: array(3) equivalence (array(2), l) contains function result_depends_on_equiv_sym() character(l) :: result_depends_on_equiv_sym call set_result_with_some_value(result_depends_on_equiv_sym) end function end module ! CHECK-LABEL: func.func @_QPtest_result_depends_on_equiv_sym subroutine test_result_depends_on_equiv_sym() use m_with_equiv, only : result_depends_on_equiv_sym ! CHECK: %[[equiv:.*]] = fir.address_of(@_QMm_with_equivEarray) : !fir.ref> ! CHECK: %[[coor:.*]] = fir.coordinate_of %[[equiv]], %c{{.*}} : (!fir.ref>, index) -> !fir.ref ! CHECK: %[[l:.*]] = fir.convert %[[coor]] : (!fir.ref) -> !fir.ptr ! CHECK: %[[l_decl:.*]]:2 = hlfir.declare %[[l]] storage(%[[equiv]][8]) {uniq_name = "_QMm_with_equivEl"} ! CHECK: %[[load:.*]] = fir.load %[[l_decl]]#0 : !fir.ptr ! CHECK: %[[lcast:.*]] = fir.convert %[[load]] : (i64) -> index ! CHECK: %[[cmpi:.*]] = arith.cmpi sgt, %[[lcast]], %{{.*}} : index ! CHECK: %[[select:.*]] = arith.select %[[cmpi]], %[[lcast]], %{{.*}} : index ! CHECK: fir.alloca !fir.char<1,?>(%[[select]] : index) print *, result_depends_on_equiv_sym() end subroutine ! CHECK-LABEL: func.func @_QPtest_depends_on_descriptor( ! CHECK-SAME: %[[x:.*]]: !fir.box>{{.*}}) { subroutine test_depends_on_descriptor(x) interface function depends_on_descriptor(x) real :: x(:) character(size(x,1, KIND=8)) :: depends_on_descriptor end function end interface real :: x(:) ! CHECK: %[[dims:.*]]:3 = fir.box_dims %{{.*}}, %c0 : (!fir.box>, index) -> (index, index, index) ! CHECK: %[[extentCast:.*]] = fir.convert %[[dims]]#1 : (index) -> i64 ! CHECK: %[[extent:.*]] = fir.convert %[[extentCast]] : (i64) -> index ! CHECK: %[[cmpi:.*]] = arith.cmpi sgt, %[[extent]], %{{.*}} : index ! CHECK: %[[select:.*]] = arith.select %[[cmpi]], %[[extent]], %{{.*}} : index ! CHECK: fir.alloca !fir.char<1,?>(%[[select]] : index) print *, depends_on_descriptor(x) end subroutine ! CHECK-LABEL: func.func @_QPtest_symbol_indirection( ! CHECK-SAME: %[[n:.*]]: !fir.ref{{.*}}) { subroutine test_symbol_indirection(n) interface function symbol_indirection(c, n) integer(8) :: n character(n) :: c character(len(c, KIND=8)) :: symbol_indirection end function end interface integer(8) :: n character(n) :: c ! CHECK: BeginExternalListOutput ! CHECK: %[[nload:.*]] = fir.load %{{.*}} : !fir.ref ! CHECK: %[[n_is_positive:.*]] = arith.cmpi sgt, %[[nload]], %c0{{.*}} : i64 ! CHECK: %[[len:.*]] = arith.select %[[n_is_positive]], %[[nload]], %c0{{.*}} : i64 ! CHECK: %[[len_cast:.*]] = fir.convert %[[len]] : (i64) -> index ! CHECK: %[[cmpi:.*]] = arith.cmpi sgt, %[[len_cast]], %{{.*}} : index ! CHECK: %[[select:.*]] = arith.select %[[cmpi]], %[[len_cast]], %{{.*}} : index ! CHECK: fir.alloca !fir.char<1,?>(%[[select]] : index) print *, symbol_indirection(c, n) end subroutine ! CHECK-LABEL: func.func @_QPtest_recursion( ! CHECK-SAME: %[[res:.*]]: !fir.ref>{{.*}}, %[[resLen:.*]]: index{{.*}}, %[[n:.*]]: !fir.ref{{.*}}) -> !fir.boxchar<1> { function test_recursion(n) result(res) integer(8) :: n character(n) :: res ! some_local is here to verify that local symbols that are visible in the ! function interface are not instantiated by accident (that only the ! symbols needed for the result are instantiated before the call). ! CHECK: fir.alloca !fir.array, {{.*}}some_local ! CHECK-NOT: fir.alloca !fir.array integer :: some_local(n) some_local(1) = n + 64 if (n.eq.1) then res = char(some_local(1)) ! CHECK: else else ! CHECK-NOT: fir.alloca !fir.array ! verify that the actual argument for symbol n ("n-1") is used to allocate ! the result, and not the local value of symbol n. ! CHECK: %[[nLoad:.*]] = fir.load %[[n_decl:.*]]#0 : !fir.ref ! CHECK: %[[sub:.*]] = arith.subi %[[nLoad]], %c1{{.*}} : i64 ! CHECK: %[[nInCall_assoc:.*]]:3 = hlfir.associate %[[sub]] {adapt.valuebyref} : (i64) -> (!fir.ref, !fir.ref, i1) ! CHECK: %[[nInCall_decl:.*]]:2 = hlfir.declare %[[nInCall_assoc]]#0 {uniq_name = "_QFtest_recursionEn"} : (!fir.ref) -> (!fir.ref, !fir.ref) ! CHECK-NOT: fir.alloca !fir.array ! CHECK: %[[nInCallLoad:.*]] = fir.load %[[nInCall_decl]]#0 : !fir.ref ! CHECK: %[[nInCallCast:.*]] = fir.convert %[[nInCallLoad]] : (i64) -> index ! CHECK: %[[cmpi:.*]] = arith.cmpi sgt, %[[nInCallCast]], %{{.*}} : index ! CHECK: %[[select:.*]] = arith.select %[[cmpi]], %[[nInCallCast]], %{{.*}} : index ! CHECK: %[[tmp:.*]] = fir.alloca !fir.char<1,?>(%[[select]] : index) ! CHECK-NOT: fir.alloca !fir.array ! CHECK: fir.call @_QPtest_recursion(%[[tmp]], %[[select]], %[[nInCall_assoc]]#0) {{.*}} res = char(some_local(1)) // test_recursion(n-1) ! CHECK: hlfir.end_associate %[[nInCall_assoc]]#1, %[[nInCall_assoc]]#2 : !fir.ref, i1 ! Verify that symbol n was not remapped to the actual argument passed ! to n in the call (that the temporary mapping was cleaned-up). ! CHECK: %[[nLoad2:.*]] = fir.load %[[n_decl]]#0 : !fir.ref ! CHECK: OutputInteger64(%{{.*}}, %[[nLoad2]]) print *, n end if end function ! Test call to character function for which only the result type is explicit ! CHECK-LABEL:func.func @_QPtest_not_entirely_explicit_interface( ! CHECK-SAME: %[[n_arg:.*]]: !fir.ref{{.*}}) { subroutine test_not_entirely_explicit_interface(n) integer(8) :: n character(n) :: return_dyn_char_2 print *, return_dyn_char_2(10) ! CHECK: %[[assoc:.*]]:3 = hlfir.associate %c10_i32 {adapt.valuebyref} ! CHECK: %[[n:.*]] = fir.load %[[n_decl:.*]]#0 : !fir.ref ! CHECK: %[[len:.*]] = fir.convert %[[n]] : (i64) -> index ! CHECK: %[[cmpi:.*]] = arith.cmpi sgt, %[[len]], %{{.*}} : index ! CHECK: %[[select:.*]] = arith.select %[[cmpi]], %[[len]], %{{.*}} : index ! CHECK: %[[result:.*]] = fir.alloca !fir.char<1,?>(%[[select]] : index) {bindc_name = ".result"} ! CHECK: fir.call @_QPreturn_dyn_char_2(%[[result]], %[[select]], %[[assoc]]#0) {{.*}}: (!fir.ref>, index, !fir.ref) -> !fir.boxchar<1> ! CHECK: hlfir.end_associate %[[assoc]]#1, %[[assoc]]#2 : !fir.ref, i1 end subroutine