flang/test/Lower/forall/forall-stmt.f90

   1 ! Test forall lowering
   2
   3 ! RUN: bbc -emit-fir -hlfir=false %s -o - | FileCheck %s
   4
   5 !*** Test a FORALL statement
   6 subroutine test_forall_stmt(x, mask)
   7
   8   logical :: mask(200)
   9   real :: x(200)
  10   forall (i=1:100,mask(i)) x(i) = 1.
  11 end subroutine test_forall_stmt
  12
  13 ! CHECK-LABEL: func @_QPtest_forall_stmt(
  14 ! CHECK-SAME:    %[[VAL_0:.*]]: !fir.ref<!fir.array<200xf32>>{{.*}}, %[[VAL_1:.*]]: !fir.ref<!fir.array<200x!fir.logical<4>>>{{.*}}) {
  15 ! CHECK:         %[[VAL_2:.*]] = fir.alloca i32 {adapt.valuebyref, bindc_name = "i"}
  16 ! CHECK:         %[[VAL_3:.*]] = arith.constant 200 : index
  17 ! CHECK:         %[[VAL_4:.*]] = arith.constant 1 : i32
  18 ! CHECK:         %[[VAL_5:.*]] = fir.convert %[[VAL_4]] : (i32) -> index
  19 ! CHECK:         %[[VAL_6:.*]] = arith.constant 100 : i32
  20 ! CHECK:         %[[VAL_7:.*]] = fir.convert %[[VAL_6]] : (i32) -> index
  21 ! CHECK:         %[[VAL_8:.*]] = arith.constant 1 : index
  22 ! CHECK:         %[[VAL_9:.*]] = fir.shape %[[VAL_3]] : (index) -> !fir.shape<1>
  23 ! CHECK:         %[[VAL_10:.*]] = fir.array_load %[[VAL_0]](%[[VAL_9]]) : (!fir.ref<!fir.array<200xf32>>, !fir.shape<1>) -> !fir.array<200xf32>
  24 ! CHECK:         %[[VAL_11:.*]] = fir.do_loop %[[VAL_12:.*]] = %[[VAL_5]] to %[[VAL_7]] step %[[VAL_8]] unordered iter_args(%[[VAL_13:.*]] = %[[VAL_10]]) -> (!fir.array<200xf32>) {
  25 ! CHECK:           %[[VAL_14:.*]] = fir.convert %[[VAL_12]] : (index) -> i32
  26 ! CHECK:           fir.store %[[VAL_14]] to %[[VAL_2]] : !fir.ref<i32>
  27 ! CHECK:           %[[VAL_15:.*]] = fir.load %[[VAL_2]] : !fir.ref<i32>
  28 ! CHECK:           %[[VAL_16:.*]] = fir.convert %[[VAL_15]] : (i32) -> i64
  29 ! CHECK:           %[[VAL_17:.*]] = arith.constant 1 : i64
  30 ! CHECK:           %[[VAL_18:.*]] = arith.subi %[[VAL_16]], %[[VAL_17]] : i64
  31 ! CHECK:           %[[VAL_19:.*]] = fir.coordinate_of %[[VAL_1]], %[[VAL_18]] : (!fir.ref<!fir.array<200x!fir.logical<4>>>, i64) -> !fir.ref<!fir.logical<4>>
  32 ! CHECK:           %[[VAL_20:.*]] = fir.load %[[VAL_19]] : !fir.ref<!fir.logical<4>>
  33 ! CHECK:           %[[VAL_21:.*]] = fir.convert %[[VAL_20]] : (!fir.logical<4>) -> i1
  34 ! CHECK:           %[[VAL_22:.*]] = fir.if %[[VAL_21]] -> (!fir.array<200xf32>) {
  35 ! CHECK:             %[[VAL_23:.*]] = arith.constant 1.000000e+00 : f32
  36 ! CHECK:             %[[VAL_24:.*]] = arith.constant 1 : index
  37 ! CHECK:             %[[VAL_25:.*]] = fir.load %[[VAL_2]] : !fir.ref<i32>
  38 ! CHECK:             %[[VAL_26:.*]] = fir.convert %[[VAL_25]] : (i32) -> i64
  39 ! CHECK:             %[[VAL_27:.*]] = fir.convert %[[VAL_26]] : (i64) -> index
  40 ! CHECK:             %[[VAL_28:.*]] = arith.subi %[[VAL_27]], %[[VAL_24]] : index
  41 ! CHECK:             %[[VAL_29:.*]] = fir.array_update %[[VAL_13]], %[[VAL_23]], %[[VAL_28]] : (!fir.array<200xf32>, f32, index) -> !fir.array<200xf32>
  42 ! CHECK:             fir.result %[[VAL_29]] : !fir.array<200xf32>
  43 ! CHECK:           } else {
  44 ! CHECK:             fir.result %[[VAL_13]] : !fir.array<200xf32>
  45 ! CHECK:           }
  46 ! CHECK:           fir.result %[[VAL_30:.*]] : !fir.array<200xf32>
  47 ! CHECK:         }
  48 ! CHECK:         fir.array_merge_store %[[VAL_10]], %[[VAL_31:.*]] to %[[VAL_0]] : !fir.array<200xf32>, !fir.array<200xf32>, !fir.ref<!fir.array<200xf32>>
  49 ! CHECK:         return
  50 ! CHECK:       }