xref: /llvm-project/flang/test/Lower/HLFIR/array-ctor-as-runtime-temp.f90 (revision 12ba74e181bd6641b532e271f3bfabf53066b1c0)
1! Test lowering of array constructors requiring runtime library help to HLFIR.
2! RUN: bbc -emit-hlfir -o - %s | FileCheck %s
3module arrayctor
4contains
5
6subroutine test_loops()
7  call takes_int([((i, i=1,ifoo()), j=1,ibar())])
8end subroutine
9! CHECK-LABEL:   func.func @_QMarrayctorPtest_loops() {
10! CHECK:           %[[VAL_0:.*]] = fir.alloca i32
11! CHECK:           %[[VAL_1:.*]] = fir.alloca !fir.array<10xi64> {bindc_name = ".rt.arrayctor.vector"}
12! CHECK:           %[[VAL_2:.*]] = fir.alloca !fir.box<!fir.heap<!fir.array<?xi32>>> {bindc_name = ".tmp.arrayctor"}
13! CHECK:           %[[VAL_3:.*]] = arith.constant 0 : index
14! CHECK:           %[[VAL_4:.*]] = fir.zero_bits !fir.heap<!fir.array<?xi32>>
15! CHECK:           %[[VAL_5:.*]] = fir.shape %[[VAL_3]] : (index) -> !fir.shape<1>
16! CHECK:           %[[VAL_6:.*]] = fir.embox %[[VAL_4]](%[[VAL_5]]) : (!fir.heap<!fir.array<?xi32>>, !fir.shape<1>) -> !fir.box<!fir.heap<!fir.array<?xi32>>>
17! CHECK:           fir.store %[[VAL_6]] to %[[VAL_2]] : !fir.ref<!fir.box<!fir.heap<!fir.array<?xi32>>>>
18! CHECK:           %[[VAL_7:.*]] = arith.constant false
19! CHECK:           %[[VAL_8:.*]] = fir.convert %[[VAL_1]] : (!fir.ref<!fir.array<10xi64>>) -> !fir.llvm_ptr<i8>
20! CHECK:           %[[VAL_10:.*]] = fir.address_of(@_QQclX{{.*}}) : !fir.ref<!fir.char<1,{{[0-9]*}}>>
21! CHECK:           %[[VAL_11:.*]] = arith.constant 7 : i32
22! CHECK:           %[[VAL_12:.*]] = fir.convert %[[VAL_2]] : (!fir.ref<!fir.box<!fir.heap<!fir.array<?xi32>>>>) -> !fir.ref<!fir.box<none>>
23! CHECK:           %[[VAL_13:.*]] = fir.convert %[[VAL_10]] : (!fir.ref<!fir.char<1,{{[0-9]*}}>>) -> !fir.ref<i8>
24! CHECK:           fir.call @_FortranAInitArrayConstructorVector(%[[VAL_8]], %[[VAL_12]], %[[VAL_7]], %[[VAL_13]], %[[VAL_11]]) fastmath<contract> : (!fir.llvm_ptr<i8>, !fir.ref<!fir.box<none>>, i1, !fir.ref<i8>, i32) -> ()
25! CHECK:           %[[VAL_15:.*]] = arith.constant 1 : i64
26! CHECK:           %[[VAL_16:.*]] = fir.convert %[[VAL_15]] : (i64) -> index
27! CHECK:           %[[VAL_17:.*]] = fir.call @_QMarrayctorPibar() fastmath<contract> : () -> i32
28! CHECK:           %[[VAL_18:.*]] = fir.convert %[[VAL_17]] : (i32) -> i64
29! CHECK:           %[[VAL_19:.*]] = fir.convert %[[VAL_18]] : (i64) -> index
30! CHECK:           %[[VAL_20:.*]] = arith.constant 1 : i64
31! CHECK:           %[[VAL_21:.*]] = fir.convert %[[VAL_20]] : (i64) -> index
32! CHECK:           fir.do_loop %[[VAL_22:.*]] = %[[VAL_16]] to %[[VAL_19]] step %[[VAL_21]] {
33! CHECK:             %[[VAL_23:.*]] = arith.constant 1 : i64
34! CHECK:             %[[VAL_24:.*]] = fir.convert %[[VAL_23]] : (i64) -> index
35! CHECK:             %[[VAL_25:.*]] = fir.call @_QMarrayctorPifoo() fastmath<contract> : () -> i32
36! CHECK:             %[[VAL_26:.*]] = fir.convert %[[VAL_25]] : (i32) -> i64
37! CHECK:             %[[VAL_27:.*]] = fir.convert %[[VAL_26]] : (i64) -> index
38! CHECK:             %[[VAL_28:.*]] = arith.constant 1 : i64
39! CHECK:             %[[VAL_29:.*]] = fir.convert %[[VAL_28]] : (i64) -> index
40! CHECK:             fir.do_loop %[[VAL_30:.*]] = %[[VAL_24]] to %[[VAL_27]] step %[[VAL_29]] {
41! CHECK:               %[[VAL_31:.*]] = fir.convert %[[VAL_30]] : (index) -> i64
42! CHECK:               %[[VAL_32:.*]] = fir.convert %[[VAL_31]] : (i64) -> i32
43! CHECK:               fir.store %[[VAL_32]] to %[[VAL_0]] : !fir.ref<i32>
44! CHECK:               %[[VAL_33:.*]] = fir.convert %[[VAL_0]] : (!fir.ref<i32>) -> !fir.llvm_ptr<i8>
45! CHECK:               fir.call @_FortranAPushArrayConstructorSimpleScalar(%[[VAL_8]], %[[VAL_33]]) fastmath<contract> : (!fir.llvm_ptr<i8>, !fir.llvm_ptr<i8>) -> ()
46! CHECK:             }
47! CHECK:           }
48! CHECK:           %[[VAL_35:.*]] = arith.constant true
49! CHECK:           %[[VAL_36:.*]] = fir.load %[[VAL_2]] : !fir.ref<!fir.box<!fir.heap<!fir.array<?xi32>>>>
50! CHECK:           %[[VAL_37:.*]] = hlfir.as_expr %[[VAL_36]] move %[[VAL_35]] : (!fir.box<!fir.heap<!fir.array<?xi32>>>, i1) -> !hlfir.expr<?xi32>
51! CHECK:           %[[VAL_38:.*]] = arith.constant 0 : index
52! CHECK:           %[[VAL_39:.*]]:3 = fir.box_dims %[[VAL_36]], %[[VAL_38]] : (!fir.box<!fir.heap<!fir.array<?xi32>>>, index) -> (index, index, index)
53! CHECK:           %[[VAL_40:.*]] = fir.shape %[[VAL_39]]#1 : (index) -> !fir.shape<1>
54! CHECK:           %[[VAL_41:.*]]:3 = hlfir.associate %[[VAL_37]](%[[VAL_40]]) {adapt.valuebyref} : (!hlfir.expr<?xi32>, !fir.shape<1>) -> (!fir.box<!fir.array<?xi32>>, !fir.ref<!fir.array<?xi32>>, i1)
55! CHECK:           fir.call @_QMarrayctorPtakes_int(%[[VAL_41]]#0) fastmath<contract> : (!fir.box<!fir.array<?xi32>>) -> ()
56! CHECK:           hlfir.end_associate %[[VAL_41]]#1, %[[VAL_41]]#2 : !fir.ref<!fir.array<?xi32>>, i1
57! CHECK:           hlfir.destroy %[[VAL_37]] : !hlfir.expr<?xi32>
58! CHECK:           return
59! CHECK:         }
60
61subroutine test_arrays(a)
62  integer :: a(:, :)
63  call takes_int([a, a])
64end subroutine
65! CHECK-LABEL: func.func @_QMarrayctorPtest_arrays(
66! CHECK:  %[[VAL_1:.*]] = fir.alloca !fir.array<10xi64> {bindc_name = ".rt.arrayctor.vector"}
67! CHECK:  %[[VAL_2:.*]] = fir.alloca !fir.box<!fir.heap<!fir.array<?xi32>>> {bindc_name = ".tmp.arrayctor"}
68! CHECK:  %[[VAL_3:.*]]:2 = hlfir.declare {{.*}}Ea"
69! CHECK:  %[[VAL_4:.*]] = arith.constant 0 : i64
70! CHECK:  %[[VAL_5:.*]] = arith.constant 0 : index
71! CHECK:  %[[VAL_6:.*]]:3 = fir.box_dims %[[VAL_3]]#0, %[[VAL_5]] : (!fir.box<!fir.array<?x?xi32>>, index) -> (index, index, index)
72! CHECK:  %[[VAL_7:.*]] = fir.convert %[[VAL_6]]#1 : (index) -> i64
73! CHECK:  %[[VAL_8:.*]] = arith.constant 1 : index
74! CHECK:  %[[VAL_9:.*]]:3 = fir.box_dims %[[VAL_3]]#0, %[[VAL_8]] : (!fir.box<!fir.array<?x?xi32>>, index) -> (index, index, index)
75! CHECK:  %[[VAL_10:.*]] = fir.convert %[[VAL_9]]#1 : (index) -> i64
76! CHECK:  %[[VAL_11:.*]] = arith.muli %[[VAL_7]], %[[VAL_10]] : i64
77! CHECK:  %[[VAL_12:.*]] = arith.addi %[[VAL_4]], %[[VAL_11]] : i64
78! CHECK:  %[[VAL_20:.*]] = arith.addi %[[VAL_12]], %{{.*}} : i64
79! CHECK:  %[[VAL_21:.*]] = fir.convert %[[VAL_20]] : (i64) -> index
80! CHECK:  %[[VAL_22:.*]] = fir.allocmem !fir.array<?xi32>, %[[VAL_21]] {bindc_name = ".tmp.arrayctor", uniq_name = ""}
81! CHECK:  %[[VAL_23:.*]] = fir.shape %[[VAL_21]] : (index) -> !fir.shape<1>
82! CHECK:  %[[VAL_24:.*]]:2 = hlfir.declare %[[VAL_22]](%[[VAL_23]]) {uniq_name = ".tmp.arrayctor"} : (!fir.heap<!fir.array<?xi32>>, !fir.shape<1>) -> (!fir.box<!fir.array<?xi32>>, !fir.heap<!fir.array<?xi32>>)
83! CHECK:  %[[VAL_25:.*]] = fir.embox %[[VAL_24]]#1(%[[VAL_23]]) : (!fir.heap<!fir.array<?xi32>>, !fir.shape<1>) -> !fir.box<!fir.heap<!fir.array<?xi32>>>
84! CHECK:  fir.store %[[VAL_25]] to %[[VAL_2]] : !fir.ref<!fir.box<!fir.heap<!fir.array<?xi32>>>>
85! CHECK:  %[[VAL_26:.*]] = arith.constant false
86! CHECK:  %[[VAL_27:.*]] = fir.convert %[[VAL_1]] : (!fir.ref<!fir.array<10xi64>>) -> !fir.llvm_ptr<i8>
87! CHECK:  %[[VAL_31:.*]] = fir.convert %[[VAL_2]] : (!fir.ref<!fir.box<!fir.heap<!fir.array<?xi32>>>>) -> !fir.ref<!fir.box<none>>
88! CHECK:  fir.call @_FortranAInitArrayConstructorVector(%[[VAL_27]], %[[VAL_31]], %[[VAL_26]], %{{.*}}, %{{.*}}) {{.*}}: (!fir.llvm_ptr<i8>, !fir.ref<!fir.box<none>>, i1, !fir.ref<i8>, i32) -> ()
89! CHECK:  %[[VAL_34:.*]] = fir.convert %[[VAL_3]]#1 : (!fir.box<!fir.array<?x?xi32>>) -> !fir.box<none>
90! CHECK:  fir.call @_FortranAPushArrayConstructorValue(%[[VAL_27]], %[[VAL_34]]) {{.*}}: (!fir.llvm_ptr<i8>, !fir.box<none>) -> ()
91! CHECK:  %[[VAL_36:.*]] = fir.convert %[[VAL_3]]#1 : (!fir.box<!fir.array<?x?xi32>>) -> !fir.box<none>
92! CHECK:  fir.call @_FortranAPushArrayConstructorValue(%[[VAL_27]], %[[VAL_36]]) {{.*}}: (!fir.llvm_ptr<i8>, !fir.box<none>) -> ()
93! CHECK:  %[[VAL_38:.*]] = arith.constant true
94! CHECK:  hlfir.as_expr %[[VAL_24]]#0 move %[[VAL_38]] : (!fir.box<!fir.array<?xi32>>, i1) -> !hlfir.expr<?xi32>
95
96subroutine test_arrays_unpredictable_size()
97  call takes_int([rank1(), rank3(), rank1()])
98! CHECK-LABEL: func.func @_QMarrayctorPtest_arrays_unpredictable_size() {
99! CHECK:  %[[VAL_3:.*]] = fir.alloca !fir.array<10xi64> {bindc_name = ".rt.arrayctor.vector"}
100! CHECK:  %[[VAL_4:.*]] = fir.alloca !fir.box<!fir.heap<!fir.array<?xi32>>> {bindc_name = ".tmp.arrayctor"}
101! CHECK:  %[[VAL_5:.*]] = arith.constant 0 : index
102! CHECK:  %[[VAL_6:.*]] = fir.zero_bits !fir.heap<!fir.array<?xi32>>
103! CHECK:  %[[VAL_7:.*]] = fir.shape %[[VAL_5]] : (index) -> !fir.shape<1>
104! CHECK:  %[[VAL_8:.*]] = fir.embox %[[VAL_6]](%[[VAL_7]]) : (!fir.heap<!fir.array<?xi32>>, !fir.shape<1>) -> !fir.box<!fir.heap<!fir.array<?xi32>>>
105! CHECK:  fir.store %[[VAL_8]] to %[[VAL_4]] : !fir.ref<!fir.box<!fir.heap<!fir.array<?xi32>>>>
106! CHECK:  %[[VAL_9:.*]] = arith.constant false
107! CHECK:  %[[VAL_10:.*]] = fir.convert %[[VAL_3]] : (!fir.ref<!fir.array<10xi64>>) -> !fir.llvm_ptr<i8>
108! CHECK:  %[[VAL_14:.*]] = fir.convert %[[VAL_4]] : (!fir.ref<!fir.box<!fir.heap<!fir.array<?xi32>>>>) -> !fir.ref<!fir.box<none>>
109! CHECK:  fir.call @_FortranAInitArrayConstructorVector(%[[VAL_10]], %[[VAL_14]], %[[VAL_9]], %{{.*}}, %{{.*}}) {{.*}}: (!fir.llvm_ptr<i8>, !fir.ref<!fir.box<none>>, i1, !fir.ref<i8>, i32) -> ()
110! CHECK:  fir.call @_QMarrayctorPrank1() {{.*}}: () -> !fir.box<!fir.heap<!fir.array<?xi32>>>
111! CHECK:  fir.call @_FortranAPushArrayConstructorValue(%[[VAL_10]], %{{.*}}) {{.*}}: (!fir.llvm_ptr<i8>, !fir.box<none>) -> ()
112! CHECK:  fir.call @_QMarrayctorPrank3() {{.*}}: () -> !fir.box<!fir.heap<!fir.array<?x?x?xi32>>>
113! CHECK:  fir.call @_FortranAPushArrayConstructorValue(%[[VAL_10]], %{{.*}}) {{.*}}: (!fir.llvm_ptr<i8>, !fir.box<none>) -> ()
114! CHECK:  fir.call @_QMarrayctorPrank1() {{.*}}: () -> !fir.box<!fir.heap<!fir.array<?xi32>>>
115! CHECK:  fir.call @_FortranAPushArrayConstructorValue(%[[VAL_10]], %{{.*}}) {{.*}}: (!fir.llvm_ptr<i8>, !fir.box<none>) -> ()
116! CHECK:  %[[VAL_32:.*]] = arith.constant true
117! CHECK:  %[[VAL_33:.*]] = fir.load %[[VAL_4]] : !fir.ref<!fir.box<!fir.heap<!fir.array<?xi32>>>>
118! CHECK:  hlfir.as_expr %[[VAL_33]] move %[[VAL_32]] : (!fir.box<!fir.heap<!fir.array<?xi32>>>, i1) -> !hlfir.expr<?xi32>
119end subroutine
120
121
122! End to to end test implementation
123function rank1()
124  integer, save :: counter = 2
125  integer, allocatable :: rank1(:)
126  allocate(rank1(counter))
127  do i=1,counter
128    rank1(i)=i
129  end do
130  counter = counter +1
131end function
132function rank3()
133  integer, save :: counter = 1
134  integer, allocatable :: rank3(:, :, :)
135  allocate(rank3(counter, counter+1, counter+2))
136  do k=1,counter+2
137    do j=1,counter+1
138      do i=1,counter
139        rank3(i, j, k)=i+(j-1)*counter+(k-1)*counter*(counter+1)
140      end do
141    end do
142  end do
143  counter = counter+1
144end function
145
146function ifoo()
147  integer, save :: counter = 0
148  ifoo = counter
149  counter = counter +1
150end function
151
152function ibar()
153  ibar = 6
154end function
155
156
157subroutine takes_int(a)
158  integer :: a(:)
159  print *, "got   :", a
160end subroutine
161end module
162
163  use arrayctor
164  integer :: a(2,3) = reshape([1,2,3,4,5,6], shape=[2,3])
165  print *, "expect: 1 1 2 1 2 3 1 2 3 4 1 2 3 4 5"
166  call test_loops()
167  print *, "expect: 1 2 3 4 5 6 1 2 3 4 5 6"
168  call test_arrays(a)
169  print *, "expect: 1 2 1 2 3 4 5 6 1 2 3"
170  call test_arrays_unpredictable_size()
171end
172