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_parallel_do()
6subroutine simple_parallel_do
7  integer :: i
8  ! CHECK:  omp.parallel
9  ! CHECK:     %[[WS_LB:.*]] = arith.constant 1 : i32
10  ! CHECK:     %[[WS_UB:.*]] = arith.constant 9 : i32
11  ! CHECK:     %[[WS_STEP:.*]] = arith.constant 1 : i32
12  ! CHECK:     omp.wsloop for (%[[I:.*]]) : i32 = (%[[WS_LB]]) to (%[[WS_UB]]) inclusive step (%[[WS_STEP]])
13  !$OMP PARALLEL DO
14  do i=1, 9
15  ! CHECK:    fir.call @_FortranAioOutputInteger32({{.*}}, %[[I]]) : (!fir.ref<i8>, i32) -> i1
16    print*, i
17  end do
18  ! CHECK:       omp.yield
19  ! CHECK:       omp.terminator
20  !$OMP END PARALLEL DO
21end subroutine
22
23! CHECK-LABEL: func @_QPparallel_do_with_parallel_clauses
24! CHECK-SAME: %[[COND_REF:.*]]: !fir.ref<!fir.logical<4>> {fir.bindc_name = "cond"}, %[[NT_REF:.*]]: !fir.ref<i32> {fir.bindc_name = "nt"}
25subroutine parallel_do_with_parallel_clauses(cond, nt)
26  logical :: cond
27  integer :: nt
28  integer :: i
29  ! CHECK:  %[[COND:.*]] = fir.load %[[COND_REF]] : !fir.ref<!fir.logical<4>>
30  ! CHECK:  %[[COND_CVT:.*]] = fir.convert %[[COND]] : (!fir.logical<4>) -> i1
31  ! CHECK:  %[[NT:.*]] = fir.load %[[NT_REF]] : !fir.ref<i32>
32  ! CHECK:  omp.parallel if(%[[COND_CVT]] : i1) num_threads(%[[NT]] : i32) proc_bind(close)
33  ! CHECK:     %[[WS_LB:.*]] = arith.constant 1 : i32
34  ! CHECK:     %[[WS_UB:.*]] = arith.constant 9 : i32
35  ! CHECK:     %[[WS_STEP:.*]] = arith.constant 1 : i32
36  ! CHECK:     omp.wsloop for (%[[I:.*]]) : i32 = (%[[WS_LB]]) to (%[[WS_UB]]) inclusive step (%[[WS_STEP]])
37  !$OMP PARALLEL DO IF(cond) NUM_THREADS(nt) PROC_BIND(close)
38  do i=1, 9
39  ! CHECK:    fir.call @_FortranAioOutputInteger32({{.*}}, %[[I]]) : (!fir.ref<i8>, i32) -> i1
40    print*, i
41  end do
42  ! CHECK:       omp.yield
43  ! CHECK:       omp.terminator
44  !$OMP END PARALLEL DO
45end subroutine
46
47! CHECK-LABEL: func @_QPparallel_do_with_clauses
48! CHECK-SAME: %[[NT_REF:.*]]: !fir.ref<i32> {fir.bindc_name = "nt"}
49subroutine parallel_do_with_clauses(nt)
50  integer :: nt
51  integer :: i
52  ! CHECK:  %[[NT:.*]] = fir.load %[[NT_REF]] : !fir.ref<i32>
53  ! CHECK:  omp.parallel num_threads(%[[NT]] : i32)
54  ! CHECK:     %[[WS_LB:.*]] = arith.constant 1 : i32
55  ! CHECK:     %[[WS_UB:.*]] = arith.constant 9 : i32
56  ! CHECK:     %[[WS_STEP:.*]] = arith.constant 1 : i32
57  ! CHECK:     omp.wsloop schedule(dynamic) for (%[[I:.*]]) : i32 = (%[[WS_LB]]) to (%[[WS_UB]]) inclusive step (%[[WS_STEP]])
58  !$OMP PARALLEL DO NUM_THREADS(nt) SCHEDULE(dynamic)
59  do i=1, 9
60  ! CHECK:    fir.call @_FortranAioOutputInteger32({{.*}}, %[[I]]) : (!fir.ref<i8>, i32) -> i1
61    print*, i
62  end do
63  ! CHECK:       omp.yield
64  ! CHECK:       omp.terminator
65  !$OMP END PARALLEL DO
66end subroutine
67
68! CHECK-LABEL: func @_QPparallel_do_with_privatisation_clauses
69! CHECK-SAME: %[[COND_REF:.*]]: !fir.ref<!fir.logical<4>> {fir.bindc_name = "cond"}, %[[NT_REF:.*]]: !fir.ref<i32> {fir.bindc_name = "nt"}
70subroutine parallel_do_with_privatisation_clauses(cond,nt)
71  logical :: cond
72  integer :: nt
73  integer :: i
74  ! CHECK:  omp.parallel
75  ! CHECK:    %[[PRIVATE_COND_REF:.*]] = fir.alloca !fir.logical<4> {bindc_name = "cond", pinned, uniq_name = "_QFparallel_do_with_privatisation_clausesEcond"}
76  ! CHECK:    %[[PRIVATE_NT_REF:.*]] = fir.alloca i32 {bindc_name = "nt", pinned, uniq_name = "_QFparallel_do_with_privatisation_clausesEnt"}
77  ! CHECK:    %[[NT_VAL:.*]] = fir.load %[[NT_REF]] : !fir.ref<i32>
78  ! CHECK:    fir.store %[[NT_VAL]] to %[[PRIVATE_NT_REF]] : !fir.ref<i32>
79  ! CHECK:    %[[WS_LB:.*]] = arith.constant 1 : i32
80  ! CHECK:    %[[WS_UB:.*]] = arith.constant 9 : i32
81  ! CHECK:    %[[WS_STEP:.*]] = arith.constant 1 : i32
82  ! CHECK:    omp.wsloop for (%[[I:.*]]) : i32 = (%[[WS_LB]]) to (%[[WS_UB]]) inclusive step (%[[WS_STEP]])
83  !$OMP PARALLEL DO PRIVATE(cond) FIRSTPRIVATE(nt)
84  do i=1, 9
85  ! CHECK:      fir.call @_FortranAioOutputInteger32({{.*}}, %[[I]]) : (!fir.ref<i8>, i32) -> i1
86  ! CHECK:      %[[PRIVATE_COND_VAL:.*]] = fir.load %[[PRIVATE_COND_REF]] : !fir.ref<!fir.logical<4>>
87  ! CHECK:      %[[PRIVATE_COND_VAL_CVT:.*]] = fir.convert %[[PRIVATE_COND_VAL]] : (!fir.logical<4>) -> i1
88  ! CHECK:      fir.call @_FortranAioOutputLogical({{.*}}, %[[PRIVATE_COND_VAL_CVT]]) : (!fir.ref<i8>, i1) -> i1
89  ! CHECK:      %[[PRIVATE_NT_VAL:.*]] = fir.load %[[PRIVATE_NT_REF]] : !fir.ref<i32>
90  ! CHECK:      fir.call @_FortranAioOutputInteger32({{.*}}, %[[PRIVATE_NT_VAL]]) : (!fir.ref<i8>, i32) -> i1
91    print*, i, cond, nt
92  end do
93  ! CHECK:      omp.yield
94  ! CHECK:    omp.terminator
95  !$OMP END PARALLEL DO
96end subroutine
97