flang/test/Lower/HLFIR/array-ctor-as-elemental.f90

   1 ! Test lowering of array constructors as hlfir.elemental.
   2 ! RUN: bbc -emit-fir -hlfir -o - %s | FileCheck %s
   3
   4 subroutine test_as_simple_elemental(n)
   5   integer :: n
   6   call takes_int([(n+i, i=1,4)])
   7 end subroutine
   8 ! CHECK-LABEL: func.func @_QPtest_as_simple_elemental(
   9 ! CHECK:  %[[VAL_1:.*]]:2 = hlfir.declare {{.*}}En
  10 ! CHECK:  %[[VAL_2:.*]] = arith.constant 4 : index
  11 ! CHECK:  %[[VAL_3:.*]] = fir.shape %[[VAL_2]] : (index) -> !fir.shape<1>
  12 ! CHECK:  %[[VAL_4:.*]] = arith.constant 1 : i64
  13 ! CHECK:  %[[VAL_5:.*]] = fir.convert %[[VAL_4]] : (i64) -> index
  14 ! CHECK:  %[[VAL_6:.*]] = arith.constant 1 : i64
  15 ! CHECK:  %[[VAL_7:.*]] = fir.convert %[[VAL_6]] : (i64) -> index
  16 ! CHECK:  %[[VAL_8:.*]] = arith.constant 1 : index
  17 ! CHECK:  %[[VAL_9:.*]] = hlfir.elemental %[[VAL_3]] : (!fir.shape<1>) -> !hlfir.expr<4xi32> {
  18 ! CHECK:  ^bb0(%[[VAL_10:.*]]: index):
  19 ! CHECK:    %[[VAL_11:.*]] = arith.subi %[[VAL_10]], %[[VAL_8]] : index
  20 ! CHECK:    %[[VAL_12:.*]] = arith.muli %[[VAL_11]], %[[VAL_7]] : index
  21 ! CHECK:    %[[VAL_13:.*]] = arith.addi %[[VAL_5]], %[[VAL_12]] : index
  22 ! CHECK:    %[[VAL_14:.*]] = fir.load %[[VAL_1]]#0 : !fir.ref<i32>
  23 ! CHECK:    %[[VAL_15:.*]] = fir.convert %[[VAL_13]] : (index) -> i32
  24 ! CHECK:    %[[VAL_16:.*]] = arith.addi %[[VAL_14]], %[[VAL_15]] : i32
  25 ! CHECK:    hlfir.yield_element %[[VAL_16]] : i32
  26 ! CHECK:  }
  27 ! CHECK:  fir.call
  28 ! CHECK:  hlfir.destroy %[[VAL_9]] : !hlfir.expr<4xi32>
  29
  30 subroutine test_as_strided_elemental(lb, ub, stride)
  31   integer(8) :: lb, ub, stride
  32   call takes_int([(i, i=lb,ub,stride)])
  33 end subroutine
  34 ! CHECK-LABEL: func.func @_QPtest_as_strided_elemental(
  35 ! CHECK:  %[[VAL_3:.*]]:2 = hlfir.declare {{.*}}Elb
  36 ! CHECK:  %[[VAL_4:.*]]:2 = hlfir.declare {{.*}}Estride
  37 ! CHECK:  %[[VAL_5:.*]]:2 = hlfir.declare {{.*}}Eub
  38 ! CHECK:  %[[VAL_6:.*]] = arith.constant 0 : i64
  39 ! CHECK:  %[[VAL_7:.*]] = fir.load %[[VAL_5]]#0 : !fir.ref<i64>
  40 ! CHECK:  %[[VAL_8:.*]] = fir.load %[[VAL_3]]#0 : !fir.ref<i64>
  41 ! CHECK:  %[[VAL_9:.*]] = arith.subi %[[VAL_7]], %[[VAL_8]] : i64
  42 ! CHECK:  %[[VAL_10:.*]] = fir.load %[[VAL_4]]#0 : !fir.ref<i64>
  43 ! CHECK:  %[[VAL_11:.*]] = arith.addi %[[VAL_9]], %[[VAL_10]] : i64
  44 ! CHECK:  %[[VAL_12:.*]] = fir.load %[[VAL_4]]#0 : !fir.ref<i64>
  45 ! CHECK:  %[[VAL_13:.*]] = arith.divsi %[[VAL_11]], %[[VAL_12]] : i64
  46 ! CHECK:  %[[VAL_14:.*]] = arith.constant 0 : i64
  47 ! CHECK:  %[[VAL_15:.*]] = arith.cmpi sgt, %[[VAL_13]], %[[VAL_14]] : i64
  48 ! CHECK:  %[[VAL_16:.*]] = arith.select %[[VAL_15]], %[[VAL_13]], %[[VAL_14]] : i64
  49 ! CHECK:  %[[VAL_17:.*]] = arith.addi %[[VAL_6]], %[[VAL_16]] : i64
  50 ! CHECK:  %[[VAL_18:.*]] = fir.convert %[[VAL_17]] : (i64) -> index
  51 ! CHECK:  %[[VAL_19:.*]] = fir.shape %[[VAL_18]] : (index) -> !fir.shape<1>
  52 ! CHECK:  %[[VAL_20:.*]] = fir.load %[[VAL_3]]#0 : !fir.ref<i64>
  53 ! CHECK:  %[[VAL_21:.*]] = fir.convert %[[VAL_20]] : (i64) -> index
  54 ! CHECK:  %[[VAL_22:.*]] = fir.load %[[VAL_4]]#0 : !fir.ref<i64>
  55 ! CHECK:  %[[VAL_23:.*]] = fir.convert %[[VAL_22]] : (i64) -> index
  56 ! CHECK:  %[[VAL_24:.*]] = arith.constant 1 : index
  57 ! CHECK:  %[[VAL_25:.*]] = hlfir.elemental %[[VAL_19]] : (!fir.shape<1>) -> !hlfir.expr<?xi32> {
  58 ! CHECK:  ^bb0(%[[VAL_26:.*]]: index):
  59 ! CHECK:    %[[VAL_27:.*]] = arith.subi %[[VAL_26]], %[[VAL_24]] : index
  60 ! CHECK:    %[[VAL_28:.*]] = arith.muli %[[VAL_27]], %[[VAL_23]] : index
  61 ! CHECK:    %[[VAL_29:.*]] = arith.addi %[[VAL_21]], %[[VAL_28]] : index
  62 ! CHECK:    %[[VAL_30:.*]] = fir.convert %[[VAL_29]] : (index) -> i32
  63 ! CHECK:    hlfir.yield_element %[[VAL_30]] : i32
  64 ! CHECK:  }
  65 ! CHECK:  fir.call
  66 ! CHECK:  hlfir.destroy %[[VAL_25]] : !hlfir.expr<?xi32>
  67
  68 subroutine test_as_elemental_with_pure_call(n)
  69   interface
  70     integer pure function foo(i)
  71       integer, value :: i
  72     end function
  73   end interface
  74   integer :: n
  75   call takes_int([(foo(i), i=1,4)])
  76 end subroutine
  77 ! CHECK-LABEL: func.func @_QPtest_as_elemental_with_pure_call(
  78 ! CHECK-SAME:                                                 %[[VAL_0:.*]]: !fir.ref<i32> {fir.bindc_name = "n"}) {
  79 ! CHECK:  %[[VAL_1:.*]]:2 = hlfir.declare %[[VAL_0]] {uniq_name = "_QFtest_as_elemental_with_pure_callEn"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
  80 ! CHECK:  %[[VAL_2:.*]] = arith.constant 4 : index
  81 ! CHECK:  %[[VAL_3:.*]] = fir.shape %[[VAL_2]] : (index) -> !fir.shape<1>
  82 ! CHECK:  %[[VAL_4:.*]] = arith.constant 1 : i64
  83 ! CHECK:  %[[VAL_5:.*]] = fir.convert %[[VAL_4]] : (i64) -> index
  84 ! CHECK:  %[[VAL_6:.*]] = arith.constant 1 : i64
  85 ! CHECK:  %[[VAL_7:.*]] = fir.convert %[[VAL_6]] : (i64) -> index
  86 ! CHECK:  %[[VAL_8:.*]] = arith.constant 1 : index
  87 ! CHECK:  %[[VAL_9:.*]] = hlfir.elemental %[[VAL_3]] : (!fir.shape<1>) -> !hlfir.expr<4xi32> {
  88 ! CHECK:  ^bb0(%[[VAL_10:.*]]: index):
  89 ! CHECK:    %[[VAL_11:.*]] = arith.subi %[[VAL_10]], %[[VAL_8]] : index
  90 ! CHECK:    %[[VAL_12:.*]] = arith.muli %[[VAL_11]], %[[VAL_7]] : index
  91 ! CHECK:    %[[VAL_13:.*]] = arith.addi %[[VAL_5]], %[[VAL_12]] : index
  92 ! CHECK:    %[[VAL_14:.*]] = fir.convert %[[VAL_13]] : (index) -> i32
  93 ! CHECK:    %[[VAL_15:.*]] = fir.call @_QPfoo(%[[VAL_14]]) fastmath<contract> : (i32) -> i32
  94 ! CHECK:    hlfir.yield_element %[[VAL_15]] : i32
  95 ! CHECK:  }
  96 ! CHECK:  fir.call
  97 ! CHECK:  hlfir.destroy %[[VAL_9]] : !hlfir.expr<4xi32>
  98
  99 ! CHECK-LABEL: func.func @_QPtest_with_impure_call(
 100 subroutine test_with_impure_call(n)
 101   interface
 102     integer function impure_foo(i)
 103       integer, value :: i
 104     end function
 105   end interface
 106   integer :: n
 107   call takes_int([(impure_foo(i), i=1,4)])
 108 end subroutine
 109 ! CHECK-NOT: hlfir.elemental
 110 ! CHECK:  return