xref: /llvm-project/flang/test/Lower/OpenMP/wsloop-reduction-iand.f90 (revision 937cbce14c9aa956342a9c818c26a8a557802843)
1! RUN: bbc -emit-hlfir -fopenmp %s -o - | FileCheck %s
2! RUN: %flang_fc1 -emit-hlfir -fopenmp %s -o - | FileCheck %s
3
4! NOTE: Assertions have been autogenerated by utils/generate-test-checks.py
5
6! CHECK-LABEL:   omp.declare_reduction @iand_i32 : i32 init {
7! CHECK:         ^bb0(%[[VAL_0:.*]]: i32):
8! CHECK:           %[[VAL_1:.*]] = arith.constant -1 : i32
9! CHECK:           omp.yield(%[[VAL_1]] : i32)
10
11! CHECK-LABEL:   } combiner {
12! CHECK:         ^bb0(%[[VAL_0:.*]]: i32, %[[VAL_1:.*]]: i32):
13! CHECK:           %[[VAL_2:.*]] = arith.andi %[[VAL_0]], %[[VAL_1]] : i32
14! CHECK:           omp.yield(%[[VAL_2]] : i32)
15! CHECK:         }
16
17! CHECK-LABEL:   func.func @_QPreduction_iand(
18! CHECK-SAME:                                 %[[VAL_0:.*]]: !fir.box<!fir.array<?xi32>> {fir.bindc_name = "y"}) {
19! CHECK:           %[[VAL_1:.*]] = fir.alloca i32 {bindc_name = "i", uniq_name = "_QFreduction_iandEi"}
20! CHECK:           %[[VAL_2:.*]]:2 = hlfir.declare %[[VAL_1]] {uniq_name = "_QFreduction_iandEi"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
21! CHECK:           %[[VAL_3:.*]] = fir.alloca i32 {bindc_name = "x", uniq_name = "_QFreduction_iandEx"}
22! CHECK:           %[[VAL_4:.*]]:2 = hlfir.declare %[[VAL_3]] {uniq_name = "_QFreduction_iandEx"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
23! CHECK:           %[[VAL_5:.*]]:2 = hlfir.declare %[[VAL_0]] dummy_scope %{{[0-9]+}} {uniq_name = "_QFreduction_iandEy"} : (!fir.box<!fir.array<?xi32>>, !fir.dscope) -> (!fir.box<!fir.array<?xi32>>, !fir.box<!fir.array<?xi32>>)
24! CHECK:           %[[VAL_6:.*]] = arith.constant 0 : i32
25! CHECK:           hlfir.assign %[[VAL_6]] to %[[VAL_4]]#0 : i32, !fir.ref<i32>
26! CHECK:           omp.parallel {
27! CHECK:             %[[VAL_7:.*]] = fir.alloca i32 {bindc_name = "i", pinned, {{.*}}}
28! CHECK:             %[[VAL_8:.*]]:2 = hlfir.declare %[[VAL_7]] {uniq_name = "_QFreduction_iandEi"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
29! CHECK:             %[[VAL_9:.*]] = arith.constant 1 : i32
30! CHECK:             %[[VAL_10:.*]] = arith.constant 100 : i32
31! CHECK:             %[[VAL_11:.*]] = arith.constant 1 : i32
32! CHECK:             omp.wsloop reduction(@iand_i32 %[[VAL_4]]#0 -> %[[VAL_12:.*]] : !fir.ref<i32>) {
33! CHECK-NEXT:          omp.loop_nest (%[[VAL_13:.*]]) : i32 = (%[[VAL_9]]) to (%[[VAL_10]]) inclusive step (%[[VAL_11]]) {
34! CHECK:                 %[[VAL_14:.*]]:2 = hlfir.declare %[[VAL_12]] {uniq_name = "_QFreduction_iandEx"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
35! CHECK:                 fir.store %[[VAL_13]] to %[[VAL_8]]#1 : !fir.ref<i32>
36! CHECK:                 %[[VAL_15:.*]] = fir.load %[[VAL_8]]#0 : !fir.ref<i32>
37! CHECK:                 %[[VAL_16:.*]] = fir.convert %[[VAL_15]] : (i32) -> i64
38! CHECK:                 %[[VAL_17:.*]] = hlfir.designate %[[VAL_5]]#0 (%[[VAL_16]])  : (!fir.box<!fir.array<?xi32>>, i64) -> !fir.ref<i32>
39! CHECK:                 %[[VAL_18:.*]] = fir.load %[[VAL_14]]#0 : !fir.ref<i32>
40! CHECK:                 %[[VAL_19:.*]] = fir.load %[[VAL_17]] : !fir.ref<i32>
41! CHECK:                 %[[VAL_20:.*]] = arith.andi %[[VAL_18]], %[[VAL_19]] : i32
42! CHECK:                 hlfir.assign %[[VAL_20]] to %[[VAL_14]]#0 : i32, !fir.ref<i32>
43! CHECK:                 omp.yield
44! CHECK:             omp.terminator
45
46
47
48subroutine reduction_iand(y)
49  integer :: x, y(:)
50  x = 0
51  !$omp parallel
52  !$omp do reduction(iand:x)
53  do i=1, 100
54    x = iand(x, y(i))
55  end do
56  !$omp end do
57  !$omp end parallel
58  print *, x
59end subroutine
60