1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
! { dg-do compile }
! { dg-options "-fdump-tree-original" }
!
! PR fortran/56649
! MERGE was not properly compile-time simplified
!
! Contributed by Bill Long
!
module m
implicit none
integer, parameter :: int32 = 4
type MPI_Datatype
integer :: i
end type MPI_Datatype
integer,private,parameter :: dik = kind(0)
type(MPI_Datatype),parameter,private :: MPIx_I4 = MPI_Datatype( 1275069467)
type(MPI_Datatype),parameter,private :: MPIx_I8 = MPI_Datatype( 1275070491)
type(MPI_Datatype),parameter :: MPI_INTEGER = merge(MPIx_I4, MPIx_I8, &
dik==int32)
contains
subroutine foo
integer :: check1
check1 = MPI_INTEGER%i
end subroutine foo
end module m
module m2
implicit none
integer, parameter :: int32 = 4
type MPI_Datatype
integer :: i
end type MPI_Datatype
integer,private,parameter :: dik = kind(0)
type(MPI_Datatype),parameter,private :: MPIx_I4 = MPI_Datatype( 1275069467)
type(MPI_Datatype),parameter,private :: MPIx_I8 = MPI_Datatype( 1275070491)
type(MPI_Datatype),parameter :: MPI_INTEGER(1) = merge([MPIx_I4], [MPIx_I8], &
[dik==int32])
contains
subroutine foo
logical :: check2
check2 = MPI_INTEGER(1)%i == 1275069467
end subroutine foo
end module m2
subroutine test
character(len=3) :: one, two, three
logical, parameter :: true = .true.
three = merge (one, two, true)
end subroutine test
! { dg-final { scan-tree-dump-times "check1 = 1275069467;" 1 "original" } }
! { dg-final { scan-tree-dump-times "check2 = 1;" 1 "original" } }
! { dg-final { scan-tree-dump-times "__builtin_memmove ..void .. &three, .void .. &one, 3.;" 1 "original" } }
! { dg-final { cleanup-tree-dump "original" } }
|
