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! { dg-do compile }
! { dg-options "-fdump-tree-original" }
! { dg-require-visibility "" }
!
! 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, three
character(len=3), parameter :: two = "def"
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" } }
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