xref: /llvm-project/flang/test/Lower/HLFIR/polymorphic-expressions.f90 (revision d0829fbdeda0a2faa8cf684e1396e579691bdfa2) 
1! RUN: bbc -emit-hlfir -o - %s -I nowhere | FileCheck %s
2
3module polymorphic_expressions_types
4  type t
5     integer c
6  end type t
7end module polymorphic_expressions_types
8
9! Test that proper polymorphic type used for hlfir.as_expr,
10! and that hlfir.association has polymorphic result type.
11subroutine test1(a)
12  use polymorphic_expressions_types
13  interface
14     subroutine callee(x)
15       use polymorphic_expressions_types
16       class(t) :: x(:)
17     end subroutine callee
18  end interface
19  class(t), allocatable :: a
20  call callee(spread(a, 1, 2))
21end subroutine test1
22! CHECK-LABEL:   func.func @_QPtest1(
23! CHECK:           %[[VAL_21:.*]]:2 = hlfir.declare %{{.*}}(%{{.*}}) {uniq_name = ".tmp.intrinsic_result"} : (!fir.class<!fir.heap<!fir.array<?x!fir.type<_QMpolymorphic_expressions_typesTt{c:i32}>>>>, !fir.shift<1>) -> (!fir.class<!fir.heap<!fir.array<?x!fir.type<_QMpolymorphic_expressions_typesTt{c:i32}>>>>, !fir.class<!fir.heap<!fir.array<?x!fir.type<_QMpolymorphic_expressions_typesTt{c:i32}>>>>)
24! CHECK:           %[[VAL_22:.*]] = arith.constant true
25! CHECK:           %[[VAL_23:.*]] = hlfir.as_expr %[[VAL_21]]#0 move %[[VAL_22]] : (!fir.class<!fir.heap<!fir.array<?x!fir.type<_QMpolymorphic_expressions_typesTt{c:i32}>>>>, i1) -> !hlfir.expr<?x!fir.type<_QMpolymorphic_expressions_typesTt{c:i32}>?>
26! CHECK:           %[[VAL_24:.*]] = arith.constant 0 : index
27! CHECK:           %[[VAL_25:.*]]:3 = fir.box_dims %[[VAL_21]]#0, %[[VAL_24]] : (!fir.class<!fir.heap<!fir.array<?x!fir.type<_QMpolymorphic_expressions_typesTt{c:i32}>>>>, index) -> (index, index, index)
28! CHECK:           %[[VAL_26:.*]] = fir.shape %[[VAL_25]]#1 : (index) -> !fir.shape<1>
29! CHECK:           %[[VAL_27:.*]]:3 = hlfir.associate %[[VAL_23]](%[[VAL_26]]) {adapt.valuebyref} : (!hlfir.expr<?x!fir.type<_QMpolymorphic_expressions_typesTt{c:i32}>?>, !fir.shape<1>) -> (!fir.class<!fir.heap<!fir.array<?x!fir.type<_QMpolymorphic_expressions_typesTt{c:i32}>>>>, !fir.class<!fir.heap<!fir.array<?x!fir.type<_QMpolymorphic_expressions_typesTt{c:i32}>>>>, i1)
30! CHECK:           %[[VAL_28:.*]] = fir.rebox %[[VAL_27]]#0 : (!fir.class<!fir.heap<!fir.array<?x!fir.type<_QMpolymorphic_expressions_typesTt{c:i32}>>>>) -> !fir.class<!fir.array<?x!fir.type<_QMpolymorphic_expressions_typesTt{c:i32}>>>
31! CHECK:           fir.call @_QPcallee(%[[VAL_28]]) fastmath<contract> : (!fir.class<!fir.array<?x!fir.type<_QMpolymorphic_expressions_typesTt{c:i32}>>>) -> ()
32! CHECK:           hlfir.end_associate %[[VAL_27]]#0, %[[VAL_27]]#2 : !fir.class<!fir.heap<!fir.array<?x!fir.type<_QMpolymorphic_expressions_typesTt{c:i32}>>>>, i1
33! CHECK:           hlfir.destroy %[[VAL_23]] : !hlfir.expr<?x!fir.type<_QMpolymorphic_expressions_typesTt{c:i32}>?>
34