1! This test checks lowering of OpenMP DO Directive (Worksharing).
2
3! RUN: bbc -fopenmp -emit-fir %s -o - | FileCheck %s
4
5!CHECK-LABEL: func @_QPsimple_loop()
6subroutine simple_loop
7  integer :: i
8  ! CHECK:  omp.parallel
9  !$OMP PARALLEL
10  ! CHECK:     %[[ALLOCA_IV:.*]] = fir.alloca i32 {{{.*}}, pinned}
11  ! CHECK:     %[[WS_LB:.*]] = arith.constant 1 : i32
12  ! CHECK:     %[[WS_UB:.*]] = arith.constant 9 : i32
13  ! CHECK:     %[[WS_STEP:.*]] = arith.constant 1 : i32
14  ! CHECK:     omp.wsloop for (%[[I:.*]]) : i32 = (%[[WS_LB]]) to (%[[WS_UB]]) inclusive step (%[[WS_STEP]])
15  !$OMP DO
16  do i=1, 9
17  ! CHECK:             fir.store %[[I]] to %[[ALLOCA_IV:.*]] : !fir.ref<i32>
18  ! CHECK:             %[[LOAD_IV:.*]] = fir.load %[[ALLOCA_IV]] : !fir.ref<i32>
19  ! CHECK:    fir.call @_FortranAioOutputInteger32({{.*}}, %[[LOAD_IV]]) : (!fir.ref<i8>, i32) -> i1
20    print*, i
21  end do
22  ! CHECK:       omp.yield
23  !$OMP END DO
24  ! CHECK:       omp.terminator
25  !$OMP END PARALLEL
26end subroutine
27
28!CHECK-LABEL: func @_QPsimple_loop_with_step()
29subroutine simple_loop_with_step
30  integer :: i
31  ! CHECK:  omp.parallel
32  !$OMP PARALLEL
33  ! CHECK:     %[[ALLOCA_IV:.*]] = fir.alloca i32 {{{.*}}, pinned}
34  ! CHECK:     %[[WS_LB:.*]] = arith.constant 1 : i32
35  ! CHECK:     %[[WS_UB:.*]] = arith.constant 9 : i32
36  ! CHECK:     %[[WS_STEP:.*]] = arith.constant 2 : i32
37  ! CHECK:     omp.wsloop for (%[[I:.*]]) : i32 = (%[[WS_LB]]) to (%[[WS_UB]]) inclusive step (%[[WS_STEP]])
38  ! CHECK:       fir.store %[[I]] to %[[ALLOCA_IV]] : !fir.ref<i32>
39  ! CHECK:       %[[LOAD_IV:.*]] = fir.load %[[ALLOCA_IV]] : !fir.ref<i32>
40  !$OMP DO
41  do i=1, 9, 2
42  ! CHECK:    fir.call @_FortranAioOutputInteger32({{.*}}, %[[LOAD_IV]]) : (!fir.ref<i8>, i32) -> i1
43    print*, i
44  end do
45  ! CHECK:       omp.yield
46  !$OMP END DO
47  ! CHECK:       omp.terminator
48  !$OMP END PARALLEL
49end subroutine
50
51!CHECK-LABEL: func @_QPloop_with_schedule_nowait()
52subroutine loop_with_schedule_nowait
53  integer :: i
54  ! CHECK:  omp.parallel
55  !$OMP PARALLEL
56  ! CHECK:     %[[ALLOCA_IV:.*]] = fir.alloca i32 {{{.*}}, pinned}
57  ! CHECK:     %[[WS_LB:.*]] = arith.constant 1 : i32
58  ! CHECK:     %[[WS_UB:.*]] = arith.constant 9 : i32
59  ! CHECK:     %[[WS_STEP:.*]] = arith.constant 1 : i32
60  ! CHECK:     omp.wsloop schedule(runtime) nowait for (%[[I:.*]]) : i32 = (%[[WS_LB]]) to (%[[WS_UB]]) inclusive step (%[[WS_STEP]])
61  !$OMP DO SCHEDULE(runtime)
62  do i=1, 9
63  ! CHECK:       fir.store %[[I]] to %[[ALLOCA_IV]] : !fir.ref<i32>
64  ! CHECK:       %[[LOAD_IV:.*]] = fir.load %[[ALLOCA_IV]] : !fir.ref<i32>
65  ! CHECK:    fir.call @_FortranAioOutputInteger32({{.*}}, %[[LOAD_IV]]) : (!fir.ref<i8>, i32) -> i1
66    print*, i
67  end do
68  ! CHECK:       omp.yield
69  !$OMP END DO NOWAIT
70  ! CHECK:       omp.terminator
71  !$OMP END PARALLEL
72end subroutine
73