re PR fortran/53692 (OPTIONAL: Scalarizing over the wrong array)
2012-06-18 Tobias Burnus <burnus@net-b.de> PR fortran/53692 * trans-array.c (set_loop_bounds): Don't scalarize via absent optional arrays. * resolve.c (resolve_elemental_actual): Don't stop resolving after printing a warning. 2012-06-18 Tobias Burnus <burnus@net-b.de> PR fortran/53692 * gfortran.dg/elemental_optional_args_6.f90: New. From-SVN: r188749
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2012-06-18 Tobias Burnus <burnus@net-b.de>
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PR fortran/53692
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* trans-array.c (set_loop_bounds): Don't scalarize via absent
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optional arrays.
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* resolve.c (resolve_elemental_actual): Don't stop resolving after printing
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a warning.
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2012-06-18 Tobias Burnus <burnus@net-b.de>
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PR fortran/53526
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@ -1957,7 +1957,6 @@ resolve_elemental_actual (gfc_expr *expr, gfc_code *c)
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"ELEMENTAL procedure unless there is a non-optional "
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"argument with the same rank (12.4.1.5)",
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arg->expr->symtree->n.sym->name, &arg->expr->where);
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return FAILURE;
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}
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}
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@ -4337,6 +4337,7 @@ set_loop_bounds (gfc_loopinfo *loop)
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bool dynamic[GFC_MAX_DIMENSIONS];
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mpz_t *cshape;
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mpz_t i;
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bool nonoptional_arr;
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loopspec = loop->specloop;
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@ -4345,6 +4346,18 @@ set_loop_bounds (gfc_loopinfo *loop)
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{
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loopspec[n] = NULL;
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dynamic[n] = false;
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/* If there are both optional and nonoptional array arguments, scalarize
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over the nonoptional; otherwise, it does not matter as then all
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(optional) arrays have to be present per F2008, 125.2.12p3(6). */
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nonoptional_arr = false;
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for (ss = loop->ss; ss != gfc_ss_terminator; ss = ss->loop_chain)
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if (ss->info->type != GFC_SS_SCALAR && ss->info->type != GFC_SS_TEMP
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&& ss->info->type != GFC_SS_REFERENCE && !ss->info->can_be_null_ref)
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nonoptional_arr = true;
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/* We use one SS term, and use that to determine the bounds of the
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loop for this dimension. We try to pick the simplest term. */
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for (ss = loop->ss; ss != gfc_ss_terminator; ss = ss->loop_chain)
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@ -4354,7 +4367,8 @@ set_loop_bounds (gfc_loopinfo *loop)
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ss_type = ss->info->type;
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if (ss_type == GFC_SS_SCALAR
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|| ss_type == GFC_SS_TEMP
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|| ss_type == GFC_SS_REFERENCE)
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|| ss_type == GFC_SS_REFERENCE
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|| (ss->info->can_be_null_ref && nonoptional_arr))
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continue;
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info = &ss->info->data.array;
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@ -1,3 +1,8 @@
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2012-06-18 Tobias Burnus <burnus@net-b.de>
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PR fortran/53692
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* gfortran.dg/elemental_optional_args_6.f90: New.
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2012-06-18 Tobias Burnus <burnus@net-b.de>
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PR fortran/53526
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@ -0,0 +1,56 @@
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! { dg-do run }
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!
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! PR fortran/53692
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!
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! Check that the nonabsent arrary is used for scalarization:
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! Either the NONOPTIONAL one or, if there are none, any array.
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!
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! Based on a program by Daniel C Chen
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!
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Program main
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implicit none
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integer :: arr1(2), arr2(2)
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arr1 = [ 1, 2 ]
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arr2 = [ 1, 2 ]
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call sub1 (arg2=arr2)
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call two ()
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contains
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subroutine sub1 (arg1, arg2)
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integer, optional :: arg1(:)
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integer :: arg2(:)
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! print *, fun1 (arg1, arg2)
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if (size (fun1 (arg1, arg2)) /= 2) call abort() ! { dg-warning "is an array and OPTIONAL" }
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if (any (fun1 (arg1, arg2) /= [1,2])) call abort() ! { dg-warning "is an array and OPTIONAL" }
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end subroutine
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elemental function fun1 (arg1, arg2)
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integer,intent(in), optional :: arg1
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integer,intent(in) :: arg2
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integer :: fun1
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fun1 = arg2
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end function
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end program
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subroutine two ()
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implicit none
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integer :: arr1(2), arr2(2)
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arr1 = [ 1, 2 ]
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arr2 = [ 1, 2 ]
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call sub2 (arr1, arg2=arr2)
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contains
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subroutine sub2 (arg1, arg2)
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integer, optional :: arg1(:)
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integer, optional :: arg2(:)
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! print *, fun2 (arg1, arg2)
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if (size (fun2 (arg1, arg2)) /= 2) call abort() ! { dg-warning "is an array and OPTIONAL" }
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if (any (fun2 (arg1, arg2) /= [1,2])) call abort() ! { dg-warning "is an array and OPTIONAL" }
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end subroutine
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elemental function fun2 (arg1,arg2)
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integer,intent(in), optional :: arg1
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integer,intent(in), optional :: arg2
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integer :: fun2
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fun2 = arg2
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end function
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end subroutine two
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