flang/test/Lower/HLFIR/elemental-user-procedure-ref.f90

   1 ! Test lowering of user defined elemental procedure reference to HLFIR
   2 ! RUN: bbc -emit-fir -hlfir -o - %s 2>&1 | FileCheck %s
   3
   4 subroutine by_addr(x, y)
   5   integer :: x
   6   real :: y(100)
   7   interface
   8     real elemental function elem(a, b)
   9       integer, intent(in) :: a
  10       real, intent(in) :: b
  11     end function
  12   end interface
  13   call baz(elem(x, y))
  14 end subroutine
  15 ! CHECK-LABEL: func.func @_QPby_addr(
  16 ! CHECK:  %[[VAL_2:.*]]:2 = hlfir.declare %[[VAL_0:.*]] {{.*}}x
  17 ! CHECK:  %[[VAL_5:.*]]:2 = hlfir.declare %[[VAL_1:.*]](%[[VAL_4:[^)]*]]) {{.*}}y
  18 ! CHECK:  %[[VAL_6:.*]] = hlfir.elemental %[[VAL_4]] : (!fir.shape<1>) -> !hlfir.expr<100xf32> {
  19 ! CHECK:  ^bb0(%[[VAL_7:.*]]: index):
  20 ! CHECK:    %[[VAL_8:.*]] = hlfir.designate %[[VAL_5]]#0 (%[[VAL_7]])  : (!fir.ref<!fir.array<100xf32>>, index) -> !fir.ref<f32>
  21 ! CHECK:    %[[VAL_9:.*]] = fir.call @_QPelem(%[[VAL_2]]#1, %[[VAL_8]]) fastmath<contract> : (!fir.ref<i32>, !fir.ref<f32>) -> f32
  22 ! CHECK:    hlfir.yield_element %[[VAL_9]] : f32
  23 ! CHECK:  }
  24 ! CHECK: fir.call
  25 ! CHECK: hlfir.destroy %[[VAL_6]]
  26
  27 subroutine by_value(x, y)
  28   integer :: x
  29   real :: y(10, 20)
  30   interface
  31     real elemental function elem_val(a, b)
  32       integer, value :: a
  33       real, value :: b
  34     end function
  35   end interface
  36   call baz(elem_val(x, y))
  37 end subroutine
  38 ! CHECK-LABEL: func.func @_QPby_value(
  39 ! CHECK:  %[[VAL_2:.*]]:2 = hlfir.declare %[[VAL_0:.*]] {{.*}}x
  40 ! CHECK:  %[[VAL_6:.*]]:2 = hlfir.declare %[[VAL_1:.*]](%[[VAL_5:[^)]*]]) {{.*}}y
  41 ! CHECK:  %[[VAL_7:.*]] = fir.load %[[VAL_2]]#0 : !fir.ref<i32>
  42 ! CHECK:  %[[VAL_8:.*]] = hlfir.elemental %[[VAL_5]] : (!fir.shape<2>) -> !hlfir.expr<10x20xf32> {
  43 ! CHECK:  ^bb0(%[[VAL_9:.*]]: index, %[[VAL_10:.*]]: index):
  44 ! CHECK:    %[[VAL_11:.*]] = hlfir.designate %[[VAL_6]]#0 (%[[VAL_9]], %[[VAL_10]])  : (!fir.ref<!fir.array<10x20xf32>>, index, index) -> !fir.ref<f32>
  45 ! CHECK:    %[[VAL_12:.*]] = fir.load %[[VAL_11]] : !fir.ref<f32>
  46 ! CHECK:    %[[VAL_13:.*]] = fir.call @_QPelem_val(%[[VAL_7]], %[[VAL_12]]) fastmath<contract> : (i32, f32) -> f32
  47 ! CHECK:    hlfir.yield_element %[[VAL_13]] : f32
  48 ! CHECK:  }
  49 ! CHECK: fir.call
  50 ! CHECK: hlfir.destroy %[[VAL_8]]
  51
  52 subroutine by_boxaddr(x, y)
  53   character(*) :: x
  54   character(*) :: y(100)
  55   interface
  56     real elemental function char_elem(a, b)
  57       character(*), intent(in) :: a
  58       character(*), intent(in) :: b
  59     end function
  60   end interface
  61   call baz2(char_elem(x, y))
  62 end subroutine
  63 ! CHECK-LABEL: func.func @_QPby_boxaddr(
  64 ! CHECK:  %[[VAL_3:.*]]:2 = hlfir.declare %[[VAL_2:.*]]#0 typeparams %[[VAL_2]]#1 {{.*}}x
  65 ! CHECK:  %[[VAL_6:.*]] = arith.constant 100 : index
  66 ! CHECK:  %[[VAL_8:.*]]:2 = hlfir.declare %[[VAL_5:.*]](%[[VAL_7:.*]]) typeparams %[[VAL_4:.*]]#1 {{.*}}y
  67 ! CHECK:  %[[VAL_9:.*]] = hlfir.elemental %[[VAL_7]] : (!fir.shape<1>) -> !hlfir.expr<100xf32> {
  68 ! CHECK:  ^bb0(%[[VAL_10:.*]]: index):
  69 ! CHECK:    %[[VAL_11:.*]] = hlfir.designate %[[VAL_8]]#0 (%[[VAL_10]])  typeparams %[[VAL_4]]#1 : (!fir.box<!fir.array<100x!fir.char<1,?>>>, index, index) -> !fir.boxchar<1>
  70 ! CHECK:    %[[VAL_12:.*]] = fir.call @_QPchar_elem(%[[VAL_3]]#0, %[[VAL_11]]) fastmath<contract> : (!fir.boxchar<1>, !fir.boxchar<1>) -> f32
  71 ! CHECK:    hlfir.yield_element %[[VAL_12]] : f32
  72 ! CHECK:  }
  73 ! CHECK: fir.call
  74 ! CHECK: hlfir.destroy %[[VAL_9]]
  75
  76 subroutine sub(x, y)
  77   integer :: x
  78   real :: y(10, 20)
  79   interface
  80     elemental subroutine elem_sub(a, b)
  81       integer, intent(in) :: a
  82       real, intent(in) :: b
  83     end subroutine
  84   end interface
  85   call elem_sub(x, y)
  86 end subroutine
  87 ! CHECK-LABEL: func.func @_QPsub(
  88 ! CHECK:  %[[VAL_2:.*]]:2 = hlfir.declare %[[VAL_0:.*]] {{.*}}x
  89 ! CHECK:  %[[VAL_3:.*]] = arith.constant 10 : index
  90 ! CHECK:  %[[VAL_4:.*]] = arith.constant 20 : index
  91 ! CHECK:  %[[VAL_6:.*]]:2 = hlfir.declare %[[VAL_1:.*]](%[[VAL_5:[^)]*]]) {{.*}}y
  92 ! CHECK:  %[[VAL_7:.*]] = arith.constant 1 : index
  93 ! CHECK:  fir.do_loop %[[VAL_8:.*]] = %[[VAL_7]] to %[[VAL_4]] step %[[VAL_7]] {
  94 ! CHECK:    fir.do_loop %[[VAL_9:.*]] = %[[VAL_7]] to %[[VAL_3]] step %[[VAL_7]] {
  95 ! CHECK:      %[[VAL_10:.*]] = hlfir.designate %[[VAL_6]]#0 (%[[VAL_9]], %[[VAL_8]])  : (!fir.ref<!fir.array<10x20xf32>>, index, index) -> !fir.ref<f32>
  96 ! CHECK:      fir.call @_QPelem_sub(%[[VAL_2]]#1, %[[VAL_10]]) fastmath<contract> : (!fir.ref<i32>, !fir.ref<f32>) -> ()
  97 ! CHECK:    }
  98 ! CHECK:  }