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

   1 ! Test lowering of user defined elemental procedure reference to HLFIR
   2 ! RUN: bbc -emit-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]] unordered : (!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]]) proc_attrs<elemental, pure>  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]] unordered : (!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]]) proc_attrs<elemental, pure>  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]] unordered : (!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]]) proc_attrs<elemental, pure>  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]] unordered {
  94 ! CHECK:    fir.do_loop %[[VAL_9:.*]] = %[[VAL_7]] to %[[VAL_3]] step %[[VAL_7]] unordered {
  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]]) proc_attrs<elemental, pure>  fastmath<contract> : (!fir.ref<i32>, !fir.ref<f32>) -> ()
  97 ! CHECK:    }
  98 ! CHECK:  }
  99
 100 subroutine impure_elemental(x)
 101   real :: x(10, 20)
 102   interface
 103     impure elemental subroutine impure_elem(a)
 104       real, intent(in) :: a
 105     end subroutine
 106   end interface
 107   call impure_elem(x)
 108 end subroutine
 109 ! CHECK-LABEL:   func.func @_QPimpure_elemental(
 110 ! CHECK-SAME:      %[[VAL_0:.*]]: !fir.ref<!fir.array<10x20xf32>> {fir.bindc_name = "x"}) {
 111 ! CHECK:           %[[VAL_1:.*]] = arith.constant 10 : index
 112 ! CHECK:           %[[VAL_2:.*]] = arith.constant 20 : index
 113 ! CHECK:           %[[VAL_3:.*]] = fir.shape %[[VAL_1]], %[[VAL_2]] : (index, index) -> !fir.shape<2>
 114 ! CHECK:           %[[VAL_4:.*]]:2 = hlfir.declare %[[VAL_0]](%[[VAL_3]]) dummy_scope %{{[0-9]+}} {uniq_name = "_QFimpure_elementalEx"} : (!fir.ref<!fir.array<10x20xf32>>, !fir.shape<2>, !fir.dscope) -> (!fir.ref<!fir.array<10x20xf32>>, !fir.ref<!fir.array<10x20xf32>>)
 115 ! CHECK:           %[[VAL_5:.*]] = arith.constant 1 : index
 116 ! CHECK:           fir.do_loop %[[VAL_6:.*]] = %[[VAL_5]] to %[[VAL_2]] step %[[VAL_5]] {
 117 ! CHECK:             fir.do_loop %[[VAL_7:.*]] = %[[VAL_5]] to %[[VAL_1]] step %[[VAL_5]] {
 118 ! CHECK:               %[[VAL_8:.*]] = hlfir.designate %[[VAL_4]]#0 (%[[VAL_7]], %[[VAL_6]])  : (!fir.ref<!fir.array<10x20xf32>>, index, index) -> !fir.ref<f32>
 119 ! CHECK:               fir.call @_QPimpure_elem(%[[VAL_8]]) proc_attrs<elemental> fastmath<contract> : (!fir.ref<f32>) -> ()
 120 ! CHECK:             }
 121 ! CHECK:           }
 122 ! CHECK:           return
 123 ! CHECK:         }
 124
 125 subroutine ordered_elemental(x)
 126   real :: x(10, 20)
 127   interface
 128     elemental subroutine ordered_elem(a)
 129       real, intent(inout) :: a
 130     end subroutine
 131   end interface
 132   call ordered_elem(x)
 133 end subroutine
 134 ! CHECK-LABEL:   func.func @_QPordered_elemental(
 135 ! CHECK-SAME:      %[[VAL_0:.*]]: !fir.ref<!fir.array<10x20xf32>> {fir.bindc_name = "x"}) {
 136 ! CHECK:           %[[VAL_1:.*]] = arith.constant 10 : index
 137 ! CHECK:           %[[VAL_2:.*]] = arith.constant 20 : index
 138 ! CHECK:           %[[VAL_3:.*]] = fir.shape %[[VAL_1]], %[[VAL_2]] : (index, index) -> !fir.shape<2>
 139 ! CHECK:           %[[VAL_4:.*]]:2 = hlfir.declare %[[VAL_0]](%[[VAL_3]]) dummy_scope %{{[0-9]+}} {uniq_name = "_QFordered_elementalEx"} : (!fir.ref<!fir.array<10x20xf32>>, !fir.shape<2>, !fir.dscope) -> (!fir.ref<!fir.array<10x20xf32>>, !fir.ref<!fir.array<10x20xf32>>)
 140 ! CHECK:           %[[VAL_5:.*]] = arith.constant 1 : index
 141 ! CHECK:           fir.do_loop %[[VAL_6:.*]] = %[[VAL_5]] to %[[VAL_2]] step %[[VAL_5]] {
 142 ! CHECK:             fir.do_loop %[[VAL_7:.*]] = %[[VAL_5]] to %[[VAL_1]] step %[[VAL_5]] {
 143 ! CHECK:               %[[VAL_8:.*]] = hlfir.designate %[[VAL_4]]#0 (%[[VAL_7]], %[[VAL_6]])  : (!fir.ref<!fir.array<10x20xf32>>, index, index) -> !fir.ref<f32>
 144 ! CHECK:               fir.call @_QPordered_elem(%[[VAL_8]]) proc_attrs<elemental, pure> fastmath<contract> : (!fir.ref<f32>) -> ()
 145 ! CHECK:             }
 146 ! CHECK:           }
 147 ! CHECK:           return
 148 ! CHECK:         }
 149
 150 subroutine impure_elemental_arg_eval(x)
 151   real :: x(10, 20)
 152   interface
 153     impure elemental subroutine impure_elem(a)
 154       real, intent(in) :: a
 155     end subroutine
 156   end interface
 157   call impure_elem((x))
 158 end subroutine
 159 ! CHECK-LABEL:   func.func @_QPimpure_elemental_arg_eval(
 160 ! CHECK-SAME:      %[[VAL_0:.*]]: !fir.ref<!fir.array<10x20xf32>> {fir.bindc_name = "x"}) {
 161 ! CHECK:           %[[VAL_1:.*]] = arith.constant 10 : index
 162 ! CHECK:           %[[VAL_2:.*]] = arith.constant 20 : index
 163 ! CHECK:           %[[VAL_3:.*]] = fir.shape %[[VAL_1]], %[[VAL_2]] : (index, index) -> !fir.shape<2>
 164 ! CHECK:           %[[VAL_4:.*]]:2 = hlfir.declare %[[VAL_0]](%[[VAL_3]]) dummy_scope %{{[0-9]+}} {uniq_name = "_QFimpure_elemental_arg_evalEx"} : (!fir.ref<!fir.array<10x20xf32>>, !fir.shape<2>, !fir.dscope) -> (!fir.ref<!fir.array<10x20xf32>>, !fir.ref<!fir.array<10x20xf32>>)
 165 ! CHECK:           %[[VAL_5:.*]] = hlfir.elemental %[[VAL_3]] unordered : (!fir.shape<2>) -> !hlfir.expr<10x20xf32> {
 166 ! CHECK:           ^bb0(%[[VAL_6:.*]]: index, %[[VAL_7:.*]]: index):
 167 ! CHECK:             %[[VAL_8:.*]] = hlfir.designate %[[VAL_4]]#0 (%[[VAL_6]], %[[VAL_7]])  : (!fir.ref<!fir.array<10x20xf32>>, index, index) -> !fir.ref<f32>
 168 ! CHECK:             %[[VAL_9:.*]] = fir.load %[[VAL_8]] : !fir.ref<f32>
 169 ! CHECK:             %[[VAL_10:.*]] = hlfir.no_reassoc %[[VAL_9]] : f32
 170 ! CHECK:             hlfir.yield_element %[[VAL_10]] : f32
 171 ! CHECK:           }
 172 ! CHECK:           %[[VAL_11:.*]]:3 = hlfir.associate %[[VAL_5]](%[[VAL_3]]) {uniq_name = "adapt.impure_arg_eval"} : (!hlfir.expr<10x20xf32>, !fir.shape<2>) -> (!fir.ref<!fir.array<10x20xf32>>, !fir.ref<!fir.array<10x20xf32>>, i1)
 173 ! CHECK:           %[[VAL_13:.*]] = arith.constant 1 : index
 174 ! CHECK:           fir.do_loop %[[VAL_14:.*]] = %[[VAL_13]] to %[[VAL_2]] step %[[VAL_13]] {
 175 ! CHECK:             fir.do_loop %[[VAL_15:.*]] = %[[VAL_13]] to %[[VAL_1]] step %[[VAL_13]] {
 176 ! CHECK:               %[[VAL_16:.*]] = hlfir.designate %[[VAL_11]]#0 (%[[VAL_15]], %[[VAL_14]])  : (!fir.ref<!fir.array<10x20xf32>>, index, index) -> !fir.ref<f32>
 177 ! CHECK:               fir.call @_QPimpure_elem(%[[VAL_16]]) proc_attrs<elemental> fastmath<contract> : (!fir.ref<f32>) -> ()
 178 ! CHECK:             }
 179 ! CHECK:           }
 180 ! CHECK:           hlfir.end_associate %[[VAL_11]]#1, %[[VAL_11]]#2 : !fir.ref<!fir.array<10x20xf32>>, i1
 181 ! CHECK:           hlfir.destroy %[[VAL_5]] : !hlfir.expr<10x20xf32>
 182 ! CHECK:           return
 183 ! CHECK:         }