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1! Test lowering of associate construct to HLFIR2! RUN: bbc -emit-hlfir -o - %s | FileCheck %s3 4subroutine associate_expr(x)5 integer :: x(:)6 associate(y => x + 42)7 print *, y8 end associate9end subroutine10! CHECK-LABEL: func.func @_QPassociate_expr(11! CHECK: %[[VAL_1:.*]]:2 = hlfir.declare {{.*}}Ex"12! CHECK: %[[VAL_3:.*]] = arith.constant 0 : index13! CHECK: %[[VAL_4:.*]]:3 = fir.box_dims %[[VAL_1]]#0, %[[VAL_3]] : (!fir.box<!fir.array<?xi32>>, index) -> (index, index, index)14! CHECK: %[[VAL_6:.*]] = hlfir.elemental {{.*}}15! CHECK: %[[VAL_11:.*]]:3 = hlfir.associate %[[VAL_6]]{{.*}}16! CHECK: %[[VAL_13:.*]] = fir.shape %[[VAL_4]]#1 : (index) -> !fir.shape<1>17! CHECK: %[[VAL_14:.*]]:2 = hlfir.declare %[[VAL_11]]#1(%[[VAL_13]]) {uniq_name = "_QFassociate_exprEy"} : (!fir.ref<!fir.array<?xi32>>, !fir.shape<1>) -> (!fir.box<!fir.array<?xi32>>, !fir.ref<!fir.array<?xi32>>)18! CHECK: fir.call @_FortranAioEndIoStatement19! CHECK: hlfir.end_associate %[[VAL_11]]#1, %[[VAL_11]]#2 : !fir.ref<!fir.array<?xi32>>, i120 21subroutine associate_var(x)22 integer :: x23 associate(y => x)24 print *, y25 end associate26end subroutine27! CHECK-LABEL: func.func @_QPassociate_var(28! CHECK: %[[VAL_1:.*]]:2 = hlfir.declare {{.*}}Ex"29! CHECK: %[[VAL_2:.*]]:2 = hlfir.declare %[[VAL_1]]#0 {uniq_name = "_QFassociate_varEy"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)30! CHECK: fir.call @_FortranAioEndIoStatement31! CHECK-NEXT: return32 33subroutine associate_pointer(x)34 integer, pointer, contiguous :: x(:)35 ! Check that "y" has the target attribute.36 associate(y => x)37 print *, y38 end associate39end subroutine40! CHECK-LABEL: func.func @_QPassociate_pointer(41! CHECK: %[[VAL_1:.*]]:2 = hlfir.declare {{.*}}Ex"42! CHECK: %[[VAL_2:.*]] = fir.load %[[VAL_1]]#0 : !fir.ref<!fir.box<!fir.ptr<!fir.array<?xi32>>>>43! CHECK: %[[VAL_3:.*]] = fir.box_addr %[[VAL_2]] : (!fir.box<!fir.ptr<!fir.array<?xi32>>>) -> !fir.ptr<!fir.array<?xi32>>44! CHECK: %[[VAL_4:.*]] = arith.constant 0 : index45! CHECK: %[[VAL_5:.*]]:3 = fir.box_dims %[[VAL_2]], %[[VAL_4]] : (!fir.box<!fir.ptr<!fir.array<?xi32>>>, index) -> (index, index, index)46! CHECK: %[[VAL_6:.*]] = fir.shape_shift %[[VAL_5]]#0, %[[VAL_5]]#1 : (index, index) -> !fir.shapeshift<1>47! CHECK: %[[VAL_7:.*]]:2 = hlfir.declare %[[VAL_3]](%[[VAL_6]]) {fortran_attrs = #fir.var_attrs<target>, uniq_name = "_QFassociate_pointerEy"} : (!fir.ptr<!fir.array<?xi32>>, !fir.shapeshift<1>) -> (!fir.box<!fir.array<?xi32>>, !fir.ptr<!fir.array<?xi32>>)48! CHECK: fir.call @_FortranAioEndIoStatement49! CHECK-NEXT: return50 51subroutine associate_allocatable(x)52 integer, allocatable :: x(:)53 associate(y => x)54 print *, y55 end associate56end subroutine57! CHECK-LABEL: func.func @_QPassociate_allocatable(58! CHECK: %[[VAL_1:.*]]:2 = hlfir.declare {{.*}}Ex"59! CHECK: %[[VAL_2:.*]] = fir.load %[[VAL_1]]#0 : !fir.ref<!fir.box<!fir.heap<!fir.array<?xi32>>>>60! CHECK: %[[VAL_3:.*]] = fir.box_addr %[[VAL_2]] : (!fir.box<!fir.heap<!fir.array<?xi32>>>) -> !fir.heap<!fir.array<?xi32>>61! CHECK: %[[VAL_4:.*]] = arith.constant 0 : index62! CHECK: %[[VAL_5:.*]]:3 = fir.box_dims %[[VAL_2]], %[[VAL_4]] : (!fir.box<!fir.heap<!fir.array<?xi32>>>, index) -> (index, index, index)63! CHECK: %[[VAL_6:.*]] = fir.shape_shift %[[VAL_5]]#0, %[[VAL_5]]#1 : (index, index) -> !fir.shapeshift<1>64! CHECK: %[[VAL_7:.*]]:2 = hlfir.declare %[[VAL_3]](%[[VAL_6]]) {uniq_name = "_QFassociate_allocatableEy"} : (!fir.heap<!fir.array<?xi32>>, !fir.shapeshift<1>) -> (!fir.box<!fir.array<?xi32>>, !fir.heap<!fir.array<?xi32>>)65! CHECK: fir.call @_FortranAioEndIoStatement66! CHECK-NEXT: return67 68subroutine associate_optional(x)69 integer, optional :: x(:)70 ! Check that "y" is not given the optional attribute: x must be present as per71 ! Fortran 2018 11.1.3.2 point 4.72 associate(y => x)73 print *, y74 end associate75end subroutine76! CHECK-LABEL: func.func @_QPassociate_optional(77! CHECK: %[[VAL_1:.*]]:2 = hlfir.declare {{.*}}Ex"78! CHECK: %[[VAL_2:.*]]:2 = hlfir.declare %[[VAL_1]]#1 {uniq_name = "_QFassociate_optionalEy"} : (!fir.box<!fir.array<?xi32>>) -> (!fir.box<!fir.array<?xi32>>, !fir.box<!fir.array<?xi32>>)79! CHECK: fir.call @_FortranAioEndIoStatement80! CHECK-NEXT: return81 82subroutine associate_pointer_section(x)83 integer , pointer, contiguous :: x(:)84 associate (y => x(1:20:1))85 print *, y86 end associate87end subroutine88! CHECK-LABEL: func.func @_QPassociate_pointer_section(89! CHECK: %[[VAL_1:.*]]:2 = hlfir.declare {{.*}}Ex"90! CHECK: %[[VAL_2:.*]] = fir.load %[[VAL_1]]#0 : !fir.ref<!fir.box<!fir.ptr<!fir.array<?xi32>>>>91! CHECK: %[[VAL_4:.*]] = arith.constant 20 : index92! CHECK: %[[VAL_6:.*]] = arith.constant 20 : index93! CHECK: %[[VAL_8:.*]] = hlfir.designate %[[VAL_2]]{{.*}}94! CHECK: %[[VAL_9:.*]] = fir.shape %[[VAL_6]] : (index) -> !fir.shape<1>95! CHECK: %[[VAL_10:.*]]:2 = hlfir.declare %[[VAL_8]](%[[VAL_9]]) {fortran_attrs = #fir.var_attrs<target>, uniq_name = "_QFassociate_pointer_sectionEy"} : (!fir.ref<!fir.array<20xi32>>, !fir.shape<1>) -> (!fir.ref<!fir.array<20xi32>>, !fir.ref<!fir.array<20xi32>>)96! CHECK: fir.call @_FortranAioEndIoStatement97! CHECK-NEXT: return98