| ! Test default initialization of global variables (static init) |
| ! RUN: bbc -hlfir=false %s -o - | FileCheck %s --check-prefixes=%if system-aix %{"CHECK","CHECK-BE"%} \ |
| ! RUN: %else %{"CHECK","CHECK-LE"%} |
| |
| module tinit |
| real, target :: ziel(100) |
| |
| type tno_init |
| integer :: k |
| end type |
| |
| type t0 |
| integer :: k = 66 |
| end type |
| |
| ! Test type that combines all kinds of components with and without |
| ! default initialization. |
| type t1 |
| ! Simple type component with default init |
| integer :: i = 42 |
| ! Simple type component without default init |
| integer :: j |
| |
| ! Pointer component with a default initial target |
| real, pointer :: x(:) => ziel |
| ! Pointer component with no init |
| real, pointer :: y(:) |
| ! Pointer component with null init |
| real, pointer :: z(:) => NULL() |
| |
| ! Character component with init |
| character(10) c1 = "hello" |
| ! Character component without init |
| character(10) c2 |
| |
| ! Component with a derived type that has default init |
| type(t0) :: somet0 |
| ! Component with a derived type that has no default init. |
| type(tno_init) :: sometno_init |
| ! Component whose type default init is overridden by |
| ! default init for the component. |
| type(t0) :: somet0_2 = t0(33) |
| ! Array component with a derived type that has default init |
| type(t0) :: somet0_array |
| end type |
| |
| ! Test type that extends type with default init. |
| type, extends(t0) :: textendst0 |
| integer :: l |
| end type |
| |
| ! Test type with default init in equivalences |
| type tseq |
| sequence |
| integer :: i = 2 |
| integer :: j = 3 |
| end type |
| |
| type tv |
| real, pointer :: v(:) |
| end type |
| |
| real, pointer :: mv(:) |
| |
| ! Test scalar with default init |
| type(t0) :: at0 |
| ! CHECK-LABEL: fir.global @_QMtinitEat0 : !fir.type<_QMtinitTt0{k:i32}> { |
| ! CHECK: %[[VAL_0:.*]] = arith.constant 66 : i32 |
| ! CHECK: %[[VAL_1:.*]] = fir.undefined !fir.type<_QMtinitTt0{k:i32}> |
| ! CHECK: %[[VAL_2:.*]] = fir.insert_value %[[VAL_1]], %[[VAL_0]], ["k", !fir.type<_QMtinitTt0{k:i32}>] : (!fir.type<_QMtinitTt0{k:i32}>, i32) -> !fir.type<_QMtinitTt0{k:i32}> |
| ! CHECK: fir.has_value %[[VAL_2]] : !fir.type<_QMtinitTt0{k:i32}> |
| |
| ! Test array with default init |
| type(t0) :: bt0(100) |
| ! CHECK-LABEL: @_QMtinitEbt0 : !fir.array<100x!fir.type<_QMtinitTt0{k:i32}>> { |
| ! CHECK: %[[VAL_3:.*]] = arith.constant 66 : i32 |
| ! CHECK: %[[VAL_4:.*]] = fir.undefined !fir.type<_QMtinitTt0{k:i32}> |
| ! CHECK: %[[VAL_5:.*]] = fir.insert_value %[[VAL_4]], %[[VAL_3]], ["k", !fir.type<_QMtinitTt0{k:i32}>] : (!fir.type<_QMtinitTt0{k:i32}>, i32) -> !fir.type<_QMtinitTt0{k:i32}> |
| ! CHECK: %[[VAL_6:.*]] = fir.undefined !fir.array<100x!fir.type<_QMtinitTt0{k:i32}>> |
| ! CHECK: %[[VAL_7:.*]] = fir.insert_on_range %[[VAL_6]], %[[VAL_5]] from (0) to (99) : (!fir.array<100x!fir.type<_QMtinitTt0{k:i32}>>, !fir.type<_QMtinitTt0{k:i32}>) -> !fir.array<100x!fir.type<_QMtinitTt0{k:i32}>> |
| ! CHECK: fir.has_value %[[VAL_7]] : !fir.array<100x!fir.type<_QMtinitTt0{k:i32}>> |
| |
| ! Test default init overridden by explicit init |
| type(t0) :: ct0 = t0(42) |
| ! CHECK-LABEL: fir.global @_QMtinitEct0 : !fir.type<_QMtinitTt0{k:i32}> { |
| ! CHECK: %[[VAL_8:.*]] = arith.constant 42 : i32 |
| ! CHECK: %[[VAL_9:.*]] = fir.undefined !fir.type<_QMtinitTt0{k:i32}> |
| ! CHECK: %[[VAL_10:.*]] = fir.insert_value %[[VAL_9]], %[[VAL_8]], ["k", !fir.type<_QMtinitTt0{k:i32}>] : (!fir.type<_QMtinitTt0{k:i32}>, i32) -> !fir.type<_QMtinitTt0{k:i32}> |
| ! CHECK: fir.has_value %[[VAL_10]] : !fir.type<_QMtinitTt0{k:i32}> |
| |
| ! Test a non trivial derived type mixing all sorts of default initialization |
| type(t1) :: dt1 |
| ! CHECK-LABEL: @_QMtinitEdt1 : !fir.type<_QMtinitTt1{{.*}}> { |
| ! CHECK-DAG: %[[VAL_11:.*]] = arith.constant 42 : i32 |
| ! CHECK-DAG: %[[VAL_12:.*]] = arith.constant 100 : index |
| ! CHECK-DAG: %[[VAL_13:.*]] = arith.constant 0 : index |
| ! CHECK-DAG: %[[VAL_14:.*]] = arith.constant 33 : i32 |
| ! CHECK-DAG: %[[VAL_15:.*]] = arith.constant 66 : i32 |
| ! CHECK: %[[VAL_16:.*]] = fir.undefined !fir.type<_QMtinitTt1{{.*}}> |
| ! CHECK: %[[VAL_17:.*]] = fir.insert_value %[[VAL_16]], %[[VAL_11]], ["i", !fir.type<_QMtinitTt1{{.*}}>] : (!fir.type<_QMtinitTt1{{.*}}>, i32) -> !fir.type<_QMtinitTt1{{.*}}> |
| ! CHECK: %[[VAL_18:.*]] = fir.zero_bits i32 |
| ! CHECK: %[[VAL_19:.*]] = fir.insert_value %[[VAL_17]], %[[VAL_18]], ["j", !fir.type<_QMtinitTt1{{.*}}>] : (!fir.type<_QMtinitTt1{{.*}}>, i32) -> !fir.type<_QMtinitTt1{{.*}}> |
| ! CHECK: %[[VAL_20:.*]] = fir.address_of(@_QMtinitEziel) : !fir.ref<!fir.array<100xf32>> |
| ! CHECK: %[[VAL_21:.*]] = fir.shape %[[VAL_12]] : (index) -> !fir.shape<1> |
| ! CHECK: %[[VAL_22:.*]] = fir.embox %[[VAL_20]](%[[VAL_21]]) : (!fir.ref<!fir.array<100xf32>>, !fir.shape<1>) -> !fir.box<!fir.array<100xf32>> |
| ! CHECK: %[[VAL_22_B:.*]] = fir.rebox %[[VAL_22]] : (!fir.box<!fir.array<100xf32>>) -> !fir.box<!fir.ptr<!fir.array<?xf32>>> |
| ! CHECK: %[[VAL_23:.*]] = fir.insert_value %[[VAL_19]], %[[VAL_22_B]], ["x", !fir.type<_QMtinitTt1{{.*}}>] : (!fir.type<_QMtinitTt1{{.*}}>, !fir.box<!fir.ptr<!fir.array<?xf32>>>) -> !fir.type<_QMtinitTt1{{.*}}> |
| ! CHECK: %[[VAL_24:.*]] = fir.zero_bits !fir.ptr<!fir.array<?xf32>> |
| ! CHECK: %[[VAL_25:.*]] = fir.shape %[[VAL_13]] : (index) -> !fir.shape<1> |
| ! CHECK: %[[VAL_26:.*]] = fir.embox %[[VAL_24]](%[[VAL_25]]) : (!fir.ptr<!fir.array<?xf32>>, !fir.shape<1>) -> !fir.box<!fir.ptr<!fir.array<?xf32>>> |
| ! CHECK: %[[VAL_27:.*]] = fir.insert_value %[[VAL_23]], %[[VAL_26]], ["y", !fir.type<_QMtinitTt1{{.*}}>] : (!fir.type<_QMtinitTt1{{.*}}>, !fir.box<!fir.ptr<!fir.array<?xf32>>>) -> !fir.type<_QMtinitTt1{{.*}}> |
| ! CHECK: %[[VAL_28:.*]] = fir.insert_value %[[VAL_27]], %[[VAL_26]], ["z", !fir.type<_QMtinitTt1{{.*}}>] : (!fir.type<_QMtinitTt1{{.*}}>, !fir.box<!fir.ptr<!fir.array<?xf32>>>) -> !fir.type<_QMtinitTt1{{.*}}> |
| ! CHECK: %[[VAL_29:.*]] = fir.string_lit "hello "(10) : !fir.char<1,10> |
| ! CHECK: %[[VAL_30:.*]] = fir.insert_value %[[VAL_28]], %[[VAL_29]], ["c1", !fir.type<_QMtinitTt1{{.*}}>] : (!fir.type<_QMtinitTt1{{.*}}>, !fir.char<1,10>) -> !fir.type<_QMtinitTt1{{.*}}> |
| ! CHECK: %[[VAL_31:.*]] = fir.zero_bits !fir.char<1,10> |
| ! CHECK: %[[VAL_32:.*]] = fir.insert_value %[[VAL_30]], %[[VAL_31]], ["c2", !fir.type<_QMtinitTt1{{.*}}>] : (!fir.type<_QMtinitTt1{{.*}}>, !fir.char<1,10>) -> !fir.type<_QMtinitTt1{{.*}}> |
| ! CHECK: %[[VAL_33:.*]] = fir.undefined !fir.type<_QMtinitTt0{k:i32}> |
| ! CHECK: %[[VAL_34:.*]] = fir.insert_value %[[VAL_33]], %[[VAL_15]], ["k", !fir.type<_QMtinitTt0{k:i32}>] : (!fir.type<_QMtinitTt0{k:i32}>, i32) -> !fir.type<_QMtinitTt0{k:i32}> |
| ! CHECK: %[[VAL_35:.*]] = fir.insert_value %[[VAL_32]], %[[VAL_34]], ["somet0", !fir.type<_QMtinitTt1{{.*}}>] : (!fir.type<_QMtinitTt1{{.*}}>, !fir.type<_QMtinitTt0{k:i32}>) -> !fir.type<_QMtinitTt1{{.*}}> |
| ! CHECK: %[[VAL_36:.*]] = fir.zero_bits !fir.type<_QMtinitTtno_init{k:i32}> |
| ! CHECK: %[[VAL_37:.*]] = fir.insert_value %[[VAL_35]], %[[VAL_36]], ["sometno_init", !fir.type<_QMtinitTt1{{.*}}>] : (!fir.type<_QMtinitTt1{{.*}}>, !fir.type<_QMtinitTtno_init{k:i32}>) -> !fir.type<_QMtinitTt1{{.*}}> |
| ! CHECK: %[[VAL_38:.*]] = fir.insert_value %[[VAL_33]], %[[VAL_14]], ["k", !fir.type<_QMtinitTt0{k:i32}>] : (!fir.type<_QMtinitTt0{k:i32}>, i32) -> !fir.type<_QMtinitTt0{k:i32}> |
| ! CHECK: %[[VAL_39:.*]] = fir.insert_value %[[VAL_37]], %[[VAL_38]], ["somet0_2", !fir.type<_QMtinitTt1{{.*}}>] : (!fir.type<_QMtinitTt1{{.*}}>, !fir.type<_QMtinitTt0{k:i32}>) -> !fir.type<_QMtinitTt1{{.*}}> |
| ! CHECK: %[[VAL_40:.*]] = fir.insert_value %[[VAL_39]], %[[VAL_34]], ["somet0_array", !fir.type<_QMtinitTt1{{.*}}>] : (!fir.type<_QMtinitTt1{{.*}}>, !fir.type<_QMtinitTt0{k:i32}>) -> !fir.type<_QMtinitTt1{{.*}}> |
| ! CHECK: fir.has_value %[[VAL_40]] : !fir.type<_QMtinitTt1{{.*}}> |
| |
| ! Test a type extending other type with a default init |
| type(textendst0) :: etextendst0 |
| ! CHECK-LABEL: @_QMtinitEetextendst0 : !fir.type<_QMtinitTtextendst0{k:i32,l:i32}> { |
| ! CHECK: %[[VAL_42:.*]] = arith.constant 66 : i32 |
| ! CHECK: %[[VAL_43:.*]] = fir.undefined !fir.type<_QMtinitTtextendst0{k:i32,l:i32}> |
| ! CHECK: %[[VAL_44:.*]] = fir.insert_value %[[VAL_43]], %[[VAL_42]], ["k", !fir.type<_QMtinitTtextendst0{k:i32,l:i32}>] : (!fir.type<_QMtinitTtextendst0{k:i32,l:i32}>, i32) -> !fir.type<_QMtinitTtextendst0{k:i32,l:i32}> |
| ! CHECK: %[[VAL_45:.*]] = fir.zero_bits i32 |
| ! CHECK: %[[VAL_46:.*]] = fir.insert_value %[[VAL_44]], %[[VAL_45]], ["l", !fir.type<_QMtinitTtextendst0{k:i32,l:i32}>] : (!fir.type<_QMtinitTtextendst0{k:i32,l:i32}>, i32) -> !fir.type<_QMtinitTtextendst0{k:i32,l:i32}> |
| ! CHECK: fir.has_value %[[VAL_46]] : !fir.type<_QMtinitTtextendst0{k:i32,l:i32}> |
| |
| type(tv) :: withmold = tv(null(mv)) |
| ! CHECK-LABEL: fir.global @_QMtinitEwithmold |
| ! CHECK: %[[C0:.*]] = arith.constant 0 : index |
| ! CHECK: %[[UNDEF:.*]] = fir.undefined !fir.type<_QMtinitTtv{v:!fir.box<!fir.ptr<!fir.array<?xf32>>>}> |
| ! CHECK: %[[ZERO:.*]] = fir.zero_bits !fir.ptr<!fir.array<?xf32>> |
| ! CHECK: %[[SHAPE:.*]] = fir.shape %[[C0]] : (index) -> !fir.shape<1> |
| ! CHECK: %[[ZEROBOX:.*]] = fir.embox %[[ZERO]](%[[SHAPE]]) : (!fir.ptr<!fir.array<?xf32>>, !fir.shape<1>) -> !fir.box<!fir.ptr<!fir.array<?xf32>>> |
| ! CHECK: %[[RET:.*]] = fir.insert_value %[[UNDEF]], %[[ZEROBOX]], ["v", !fir.type<_QMtinitTtv{v:!fir.box<!fir.ptr<!fir.array<?xf32>>>}>] : (!fir.type<_QMtinitTtv{v:!fir.box<!fir.ptr<!fir.array<?xf32>>>}>, !fir.box<!fir.ptr<!fir.array<?xf32>>>) -> !fir.type<_QMtinitTtv{v:!fir.box<!fir.ptr<!fir.array<?xf32>>>}> |
| ! CHECK: fir.has_value %[[RET]] : !fir.type<_QMtinitTtv{v:!fir.box<!fir.ptr<!fir.array<?xf32>>>}> |
| |
| end module |
| |
| |
| ! Test that default initialization is also applied to saved variables |
| subroutine saved() |
| use tinit |
| type(t0), save :: savedt0 |
| ! CHECK-LABEL: fir.global internal @_QFsavedEsavedt0 : !fir.type<_QMtinitTt0{k:i32}> { |
| ! CHECK: %[[VAL_47:.*]] = arith.constant 66 : i32 |
| ! CHECK: %[[VAL_48:.*]] = fir.undefined !fir.type<_QMtinitTt0{k:i32}> |
| ! CHECK: %[[VAL_49:.*]] = fir.insert_value %[[VAL_48]], %[[VAL_47]], ["k", !fir.type<_QMtinitTt0{k:i32}>] : (!fir.type<_QMtinitTt0{k:i32}>, i32) -> !fir.type<_QMtinitTt0{k:i32}> |
| ! CHECK: fir.has_value %[[VAL_49]] : !fir.type<_QMtinitTt0{k:i32}> |
| end subroutine |
| |
| ! Test default initialization in equivalences |
| subroutine eqv() |
| use tinit |
| type(tseq), save :: somet |
| integer :: i(2) |
| equivalence (somet, i) |
| ! CHECK-LABEL: fir.global internal @_QFeqvEi : !fir.array<2xi32> { |
| ! CHECK-DAG: %[[VAL_50:.*]] = arith.constant 2 : i32 |
| ! CHECK-DAG: %[[VAL_51:.*]] = arith.constant 3 : i32 |
| ! CHECK: %[[VAL_52:.*]] = fir.undefined !fir.array<2xi32> |
| ! CHECK: %[[VAL_53:.*]] = fir.insert_value %[[VAL_52]], %[[VAL_50]], [0 : index] : (!fir.array<2xi32>, i32) -> !fir.array<2xi32> |
| ! CHECK: %[[VAL_54:.*]] = fir.insert_value %[[VAL_53]], %[[VAL_51]], [1 : index] : (!fir.array<2xi32>, i32) -> !fir.array<2xi32> |
| ! CHECK: fir.has_value %[[VAL_54]] : !fir.array<2xi32> |
| end subroutine |
| |
| subroutine eqv_explicit_init() |
| use tinit |
| type(tseq), save :: somet |
| integer :: i(2) = [4, 5] |
| equivalence (somet, i) |
| ! CHECK-LABEL: fir.global internal @_QFeqv_explicit_initEi : !fir.array<2xi32> { |
| ! CHECK-DAG: %[[VAL_57:.*]] = arith.constant 4 : i32 |
| ! CHECK-DAG: %[[VAL_58:.*]] = arith.constant 5 : i32 |
| ! CHECK: %[[VAL_59:.*]] = fir.undefined !fir.array<2xi32> |
| ! CHECK: %[[VAL_60:.*]] = fir.insert_value %[[VAL_59]], %[[VAL_57]], [0 : index] : (!fir.array<2xi32>, i32) -> !fir.array<2xi32> |
| ! CHECK: %[[VAL_61:.*]] = fir.insert_value %[[VAL_60]], %[[VAL_58]], [1 : index] : (!fir.array<2xi32>, i32) -> !fir.array<2xi32> |
| ! CHECK: fir.has_value %[[VAL_61]] : !fir.array<2xi32> |
| end subroutine |
| |
| subroutine eqv_same_default_init() |
| use tinit |
| type(tseq), save :: somet1(2), somet2 |
| equivalence (somet1(1), somet2) |
| ! CHECK-LABEL: fir.global internal @_QFeqv_same_default_initEsomet1 : !fir.array<2xi64> { |
| ! CHECK-LE: %[[VAL_62:.*]] = arith.constant 12884901890 : i64 |
| ! CHECK-BE: %[[VAL_62:.*]] = arith.constant 8589934595 : i64 |
| ! CHECK: %[[VAL_63:.*]] = fir.undefined !fir.array<2xi64> |
| ! CHECK: %[[VAL_64:.*]] = fir.insert_on_range %[[VAL_63]], %[[VAL_62]] from (0) to (1) : (!fir.array<2xi64>, i64) -> !fir.array<2xi64> |
| ! CHECK: fir.has_value %[[VAL_64]] : !fir.array<2xi64> |
| end subroutine |
| |
| subroutine eqv_full_overlaps_with_explicit_init() |
| use tinit |
| type(tseq), save :: somet |
| integer, save :: link(4) |
| integer :: i(2) = [5, 6] |
| integer :: j(2) = [7, 8] |
| ! Equivalence: somet fully covered by explicit init. |
| ! i(1)=5 | i(2)=6 | - | - |
| ! - | somet%i | somet%j | |
| ! - | - | j(1)=7 | j(2)=8 |
| equivalence (i, link(1)) |
| equivalence (somet, link(2)) |
| equivalence (j, link(3)) |
| ! CHECK-LABEL: fir.global internal @_QFeqv_full_overlaps_with_explicit_initEi : !fir.array<4xi32> { |
| ! CHECK-DAG: %[[VAL_73:.*]] = arith.constant 5 : i32 |
| ! CHECK-DAG: %[[VAL_74:.*]] = arith.constant 6 : i32 |
| ! CHECK-DAG: %[[VAL_75:.*]] = arith.constant 7 : i32 |
| ! CHECK-DAG: %[[VAL_76:.*]] = arith.constant 8 : i32 |
| ! CHECK-DAG: %[[VAL_77:.*]] = fir.undefined !fir.array<4xi32> |
| ! CHECK-DAG: %[[VAL_78:.*]] = fir.insert_value %[[VAL_77]], %[[VAL_73]], [0 : index] : (!fir.array<4xi32>, i32) -> !fir.array<4xi32> |
| ! CHECK-DAG: %[[VAL_79:.*]] = fir.insert_value %[[VAL_78]], %[[VAL_74]], [1 : index] : (!fir.array<4xi32>, i32) -> !fir.array<4xi32> |
| ! CHECK-DAG: %[[VAL_80:.*]] = fir.insert_value %[[VAL_79]], %[[VAL_75]], [2 : index] : (!fir.array<4xi32>, i32) -> !fir.array<4xi32> |
| ! CHECK-DAG: %[[VAL_81:.*]] = fir.insert_value %[[VAL_80]], %[[VAL_76]], [3 : index] : (!fir.array<4xi32>, i32) -> !fir.array<4xi32> |
| ! CHECK-DAG: fir.has_value %[[VAL_81]] : !fir.array<4xi32> |
| end subroutine |
| |
| subroutine eqv_partial_overlaps_with_explicit_init() |
| use tinit |
| type(tseq), save :: somet |
| integer, save :: link(4) |
| integer :: i(2) = [5, 6] |
| integer :: j = 7 |
| ! `somet` is only partially covered by explicit init, somet%j default |
| ! init value should be used in the equiv storage init to match nvfortran, |
| ! ifort, and nagfor behavior (gfortran refuses this code). 19.5.3.4 point |
| ! 10 specifies that explicit initialization overrides default initialization. |
| ! i(1)=5 | i(2)=6 | - | - |
| ! - | somet%i | somet%j | |
| ! - | - | - | j=7 |
| equivalence (i, link(1)) |
| equivalence (somet, link(2)) |
| equivalence (j, link(4)) |
| ! CHECK-LABEL: fir.global internal @_QFeqv_partial_overlaps_with_explicit_initEi : !fir.array<4xi32> |
| ! CHECK-DAG: %[[VAL_82:.*]] = arith.constant 5 : i32 |
| ! CHECK-DAG: %[[VAL_83:.*]] = arith.constant 6 : i32 |
| ! CHECK-DAG: %[[VAL_84:.*]] = arith.constant 3 : i32 |
| ! CHECK-DAG: %[[VAL_85:.*]] = arith.constant 7 : i32 |
| ! CHECK: %[[VAL_86:.*]] = fir.undefined !fir.array<4xi32> |
| ! CHECK: %[[VAL_87:.*]] = fir.insert_value %[[VAL_86]], %[[VAL_82]], [0 : index] : (!fir.array<4xi32>, i32) -> !fir.array<4xi32> |
| ! CHECK: %[[VAL_88:.*]] = fir.insert_value %[[VAL_87]], %[[VAL_83]], [1 : index] : (!fir.array<4xi32>, i32) -> !fir.array<4xi32> |
| ! CHECK: %[[VAL_89:.*]] = fir.insert_value %[[VAL_88]], %[[VAL_84]], [2 : index] : (!fir.array<4xi32>, i32) -> !fir.array<4xi32> |
| ! CHECK: %[[VAL_90:.*]] = fir.insert_value %[[VAL_89]], %[[VAL_85]], [3 : index] : (!fir.array<4xi32>, i32) -> !fir.array<4xi32> |
| ! CHECK: fir.has_value %[[VAL_90]] : !fir.array<4xi32> |
| end subroutine |