llvm-project/flang/test/Evaluate/rewrite01.f90

80 lines
2.5 KiB
Fortran

! Test expression rewrites, in case where the expression cannot be
! folded to constant values.
! RUN: %flang_fc1 -fdebug-unparse %s 2>&1 | FileCheck %s
! Test rewrites of inquiry intrinsics with arguments whose shape depends
! on a function reference with non constant shape. The function reference
! must be retained.
module some_mod
contains
function returns_array(n, m)
integer :: returns_array(10:n+10,10:m+10)
returns_array = 0
end function
function returns_array_2(n)
integer, intent(in) :: n
integer :: returns_array_2(n)
returns_array_2 = 0
end function
function returns_array_3()
integer :: returns_array_3(7:46+2)
returns_array_3 = 0
end function
subroutine ubound_test(x, n, m)
integer :: x(n, m)
!CHECK: PRINT *, [INTEGER(4)::int(size(x,dim=1),kind=4),int(size(x,dim=2),kind=4)]
print *, ubound(x)
!CHECK: PRINT *, ubound(returns_array(n,m))
print *, ubound(returns_array(n, m))
!CHECK: PRINT *, ubound(returns_array(n,m),dim=1_4)
print *, ubound(returns_array(n, m), dim=1)
!CHECK: PRINT *, ubound(returns_array_2(m))
print *, ubound(returns_array_2(m))
!CHECK: PRINT *, 42_8
print *, ubound(returns_array_3(), dim=1, kind=8)
end subroutine
subroutine size_test(x, n, m)
integer :: x(n, m)
!CHECK: PRINT *, int(size(x,dim=1)*size(x,dim=2),kind=4)
print *, size(x)
!CHECK: PRINT *, size(returns_array(n,m))
print *, size(returns_array(n, m))
!CHECK: PRINT *, size(returns_array(n,m),dim=1_4)
print *, size(returns_array(n, m), dim=1)
!CHECK: PRINT *, size(returns_array_2(m))
print *, size(returns_array_2(m))
!CHECK: PRINT *, 42_8
print *, size(returns_array_3(), kind=8)
end subroutine
subroutine shape_test(x, n, m)
integer :: x(n, m)
!CHECK: PRINT *, [INTEGER(4)::int(size(x,dim=1),kind=4),int(size(x,dim=2),kind=4)]
print *, shape(x)
!CHECK: PRINT *, shape(returns_array(n,m))
print *, shape(returns_array(n, m))
!CHECK: PRINT *, shape(returns_array_2(m))
print *, shape(returns_array_2(m))
!CHECK: PRINT *, [INTEGER(8)::42_8]
print *, shape(returns_array_3(), kind=8)
end subroutine
subroutine lbound_test(x, n, m)
integer :: x(n, m)
!CHECK: PRINT *, [INTEGER(4)::1_4,1_4]
print *, lbound(x)
!CHECK: PRINT *, [INTEGER(4)::1_4,1_4]
print *, lbound(returns_array(n, m))
!CHECK: PRINT *, 1_4
print *, lbound(returns_array(n, m), dim=1)
!CHECK: PRINT *, 1_4
print *, lbound(returns_array_2(m), dim=1)
!CHECK: PRINT *, 1_4
print *, lbound(returns_array_3(), dim=1)
end subroutine
end module