1! { dg-do run }
2! { dg-options "-O2" }
3! { dg-add-options ieee }
4! Tests the fix for the meta-bug PR31237 (TRANSFER intrinsic)
5! Exercises gfc_simplify_transfer a random walk through types and shapes
6! and compares its results with the middle-end version that operates on
7! variables.
8!
9  implicit none
10  call integer4_to_real4
11  call real4_to_integer8
12  call integer4_to_integer8
13  call logical4_to_real8
14  call real8_to_integer4
15  call integer8_to_real4
16  call integer8_to_complex4
17  call character16_to_complex8
18  call character16_to_real8
19  call real8_to_character2
20  call dt_to_integer1
21  call character16_to_dt
22contains
23  subroutine integer4_to_real4
24    integer(4), parameter ::  i1 = 11111_4
25    integer(4)            ::  i2 = i1
26    real(4), parameter    ::  r1 = transfer (i1, 1.0_4)
27    real(4)               ::  r2
28
29    r2 = transfer (i2, r2);
30    if (r1 .ne. r2) call abort ()
31  end subroutine integer4_to_real4
32
33  subroutine real4_to_integer8
34    real(4), parameter    ::  r1(2) = (/3.14159_4, 0.0_4/)
35    real(4)               ::  r2(2) = r1
36    integer(8), parameter ::  i1 = transfer (r1, 1_8)
37    integer(8)            ::  i2
38
39    i2 = transfer (r2, 1_8);
40    if (i1 .ne. i2) call abort ()
41  end subroutine real4_to_integer8
42
43  subroutine integer4_to_integer8
44    integer(4), parameter ::  i1(2) = (/11111_4, 22222_4/)
45    integer(4)            ::  i2(2) = i1
46    integer(8), parameter ::  i3 = transfer (i1, 1_8)
47    integer(8)            ::  i4
48
49    i4 = transfer (i2, 1_8);
50    if (i3 .ne. i4) call abort ()
51  end subroutine integer4_to_integer8
52
53  subroutine logical4_to_real8
54    logical(4), parameter ::  l1(2) = (/.false., .true./)
55    logical(4)            ::  l2(2) = l1
56    real(8), parameter    ::  r1 = transfer (l1, 1_8)
57    real(8)               ::  r2
58
59    r2 = transfer (l2, 1_8);
60    if (r1 .ne. r2) call abort ()
61  end subroutine logical4_to_real8
62
63  subroutine real8_to_integer4
64    real(8), parameter    ::  r1 = 3.14159_8
65    real(8)               ::  r2 = r1
66    integer(4), parameter ::  i1(2) = transfer (r1, 1_4, 2)
67    integer(4)            ::  i2(2)
68
69    i2 = transfer (r2, i2, 2);
70    if (any (i1 .ne. i2)) call abort ()
71  end subroutine real8_to_integer4
72
73  subroutine integer8_to_real4
74    integer               ::  k
75    integer(8), parameter ::  i1(2) = transfer ((/asin (1.0_8), log (1.0_8)/), 0_8)
76    integer(8)            ::  i2(2) = i1
77    real(4), parameter    ::  r1(4) = transfer (i1, (/(1.0_4,k=1,4)/))
78    real(4)               ::  r2(4)
79
80    r2 = transfer (i2, r2);
81    if (any (r1 .ne. r2)) call abort ()
82  end subroutine integer8_to_real4
83
84  subroutine integer8_to_complex4
85    integer               ::  k
86    integer(8), parameter ::  i1(2) = transfer ((/asin (1.0_8), log (1.0_8)/), 0_8)
87    integer(8)            ::  i2(2) = i1
88    complex(4), parameter ::  z1(2) = transfer (i1, (/((1.0_4,2.0_4),k=1,2)/))
89    complex(4)            ::  z2(2)
90
91    z2 = transfer (i2, z2);
92    if (any (z1 .ne. z2)) call abort ()
93  end subroutine integer8_to_complex4
94
95  subroutine character16_to_complex8
96    character(16), parameter ::  c1(2) = (/"abcdefghijklmnop","qrstuvwxyz123456"/)
97    character(16)            ::  c2(2) = c1
98    complex(8), parameter    ::  z1(2) = transfer (c1, (1.0_8,1.0_8), 2)
99    complex(8)               ::  z2(2)
100
101    z2 = transfer (c2, z2, 2);
102    if (any (z1 .ne. z2)) call abort ()
103  end subroutine character16_to_complex8
104
105  subroutine character16_to_real8
106    character(16), parameter ::  c1 = "abcdefghijklmnop"
107    character(16)            ::  c2 = c1
108    real(8), parameter    ::  r1(2) = transfer (c1, 1.0_8, 2)
109    real(8)               ::  r2(2)
110
111    r2 = transfer (c2, r2, 2);
112    if (any (r1 .ne. r2)) call abort ()
113  end subroutine character16_to_real8
114
115  subroutine real8_to_character2
116    real(8), parameter    ::  r1 = 3.14159_8
117    real(8)               ::  r2 = r1
118    character(2), parameter ::  c1(4) = transfer (r1, "ab", 4)
119    character(2)            ::  c2(4)
120
121    c2 = transfer (r2, "ab", 4);
122    if (any (c1 .ne. c2)) call abort ()
123  end subroutine real8_to_character2
124
125  subroutine dt_to_integer1
126    integer, parameter    :: i1(4) = (/1_4,2_4,3_4,4_4/)
127    real, parameter       :: r1(4) = (/1.0_4,2.0_4,3.0_4,4.0_4/)
128    type :: mytype
129      integer(4) :: i(4)
130      real(4) :: x(4)
131    end type mytype
132    type (mytype), parameter :: dt1 = mytype (i1, r1)
133    type (mytype)            :: dt2 = dt1
134    integer(1), parameter :: i2(32) = transfer (dt1, 1_1, 32)
135    integer(1)            :: i3(32)
136
137    i3 = transfer (dt2, 1_1, 32);
138    if (any (i2 .ne. i3)) call abort ()
139  end subroutine dt_to_integer1
140
141  subroutine character16_to_dt
142    character(16), parameter ::  c1 = "abcdefghijklmnop"
143    character(16)            ::  c2 = c1
144    type :: mytype
145      real(4) :: x(2)
146    end type mytype
147
148    type (mytype), parameter :: dt1(2) = transfer (c1, mytype ((/1.0,2.0,3.0,4.0/)), 2)
149    type (mytype)            :: dt2(2)
150
151    dt2 = transfer (c2, dt2);
152    if (any (dt1(1)%x .ne. dt2(1)%x)) call abort ()
153    if (any (dt1(2)%x .ne. dt2(2)%x)) call abort ()
154  end subroutine character16_to_dt
155
156end
157