xref: /llvm-project/flang/test/Lower/OpenMP/parallel-wsloop-firstpriv.f90 (revision 937cbce14c9aa956342a9c818c26a8a557802843)
1! This test checks lowering of OpenMP parallel DO, with the loop bound being
2! a firstprivate variable
3
4! RUN: bbc -fopenmp -emit-hlfir %s -o - | FileCheck %s
5
6! CHECK: func @_QPomp_do_firstprivate(%[[ARG0:.*]]: !fir.ref<i32> {fir.bindc_name = "a"})
7subroutine omp_do_firstprivate(a)
8  ! CHECK: %[[ARG0_DECL:.*]]:2 = hlfir.declare %[[ARG0]] dummy_scope %{{[0-9]+}} {uniq_name = "_QFomp_do_firstprivateEa"} : (!fir.ref<i32>, !fir.dscope) -> (!fir.ref<i32>, !fir.ref<i32>)
9  integer::a
10  integer::n
11  n = a+1
12  !$omp parallel do firstprivate(a)
13  ! CHECK:  omp.parallel {
14
15  ! CHECK: %[[A_PVT_REF:.*]] = fir.alloca i32 {bindc_name = "a", pinned, uniq_name = "_QFomp_do_firstprivateEa"}
16  ! CHECK: %[[A_PVT_DECL:.*]]:2 = hlfir.declare %[[A_PVT_REF]] {uniq_name = "_QFomp_do_firstprivateEa"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
17  ! CHECK-NEXT: %[[LD:.*]] = fir.load %[[ARG0_DECL]]#0 : !fir.ref<i32>
18  ! CHECK-NEXT: hlfir.assign %[[LD]] to %[[A_PVT_DECL]]#0 : i32, !fir.ref<i32>
19
20  ! CHECK: %[[I_PVT_REF:.*]] = fir.alloca i32 {bindc_name = "i", pinned, {{.*}}}
21  ! CHECK: %[[I_PVT_DECL:.*]]:2 = hlfir.declare %[[I_PVT_REF]] {uniq_name = "_QFomp_do_firstprivateEi"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
22
23  ! CHECK: %[[LB:.*]] = arith.constant 1 : i32
24  ! CHECK-NEXT: %[[UB:.*]] = fir.load %[[A_PVT_DECL]]#0 : !fir.ref<i32>
25  ! CHECK-NEXT: %[[STEP:.*]] = arith.constant 1 : i32
26  ! CHECK-NEXT: omp.wsloop {
27  ! CHECK-NEXT: omp.loop_nest (%[[ARG1:.*]]) : i32 = (%[[LB]]) to (%[[UB]]) inclusive step (%[[STEP]]) {
28  ! CHECK-NEXT: fir.store %[[ARG1]] to %[[I_PVT_DECL]]#1 : !fir.ref<i32>
29  ! CHECK-NEXT: fir.call @_QPfoo(%[[I_PVT_DECL]]#1, %[[A_PVT_DECL]]#1) {{.*}}: (!fir.ref<i32>, !fir.ref<i32>) -> ()
30  ! CHECK-NEXT: omp.yield
31  ! CHECK-NEXT: }
32  ! CHECK-NEXT: }
33    do i=1, a
34      call foo(i, a)
35    end do
36  !$omp end parallel do
37  !CHECK: fir.call @_QPbar(%[[ARG0_DECL]]#1) {{.*}}: (!fir.ref<i32>) -> ()
38  call bar(a)
39end subroutine omp_do_firstprivate
40
41! CHECK: func @_QPomp_do_firstprivate2(%[[ARG0:.*]]: !fir.ref<i32> {fir.bindc_name = "a"}, %[[ARG1:.*]]: !fir.ref<i32> {fir.bindc_name = "n"})
42subroutine omp_do_firstprivate2(a, n)
43  ! CHECK:  %[[ARG0_DECL:.*]]:2 = hlfir.declare %[[ARG0]] dummy_scope %{{[0-9]+}} {uniq_name = "_QFomp_do_firstprivate2Ea"} : (!fir.ref<i32>, !fir.dscope) -> (!fir.ref<i32>, !fir.ref<i32>)
44  ! CHECK:  %[[ARG1_DECL:.*]]:2 = hlfir.declare %[[ARG1]] dummy_scope %{{[0-9]+}} {uniq_name = "_QFomp_do_firstprivate2En"} : (!fir.ref<i32>, !fir.dscope) -> (!fir.ref<i32>, !fir.ref<i32>)
45  integer::a
46  integer::n
47  n = a+1
48  !$omp parallel do firstprivate(a, n)
49  ! CHECK:  omp.parallel {
50
51  ! CHECK: %[[A_PVT_REF:.*]] = fir.alloca i32 {bindc_name = "a", pinned, {{.*}}}
52  ! CHECK: %[[A_PVT_DECL:.*]]:2 = hlfir.declare %[[A_PVT_REF]] {uniq_name = "_QFomp_do_firstprivate2Ea"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
53  ! CHECK: %[[LD:.*]] = fir.load %[[ARG0_DECL]]#0 : !fir.ref<i32>
54  ! CHECK: hlfir.assign %[[LD]] to %[[A_PVT_DECL]]#0 : i32, !fir.ref<i32>
55
56  ! CHECK: %[[N_PVT_REF:.*]] = fir.alloca i32 {bindc_name = "n", pinned, uniq_name = "_QFomp_do_firstprivate2En"}
57  ! CHECK: %[[N_PVT_DECL:.*]]:2 = hlfir.declare %[[N_PVT_REF]] {uniq_name = "_QFomp_do_firstprivate2En"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
58  ! CHECK: %[[LD1:.*]] = fir.load %[[ARG1_DECL]]#0 : !fir.ref<i32>
59  ! CHECK: hlfir.assign %[[LD1]] to %[[N_PVT_DECL]]#0 : i32, !fir.ref<i32>
60
61  ! CHECK: %[[I_PVT_REF:.*]] = fir.alloca i32 {bindc_name = "i", pinned, {{.*}}}
62  ! CHECK: %[[I_PVT_DECL:.*]]:2 = hlfir.declare %[[I_PVT_REF]] {uniq_name = "_QFomp_do_firstprivate2Ei"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
63
64  ! CHECK: %[[LB:.*]] = fir.load %[[A_PVT_DECL]]#0 : !fir.ref<i32>
65  ! CHECK: %[[UB:.*]] = fir.load %[[N_PVT_DECL]]#0 : !fir.ref<i32>
66  ! CHECK: %[[STEP:.*]] = arith.constant 1 : i32
67  ! CHECK: omp.wsloop {
68  ! CHECK-NEXT: omp.loop_nest (%[[ARG2:.*]]) : i32 = (%[[LB]]) to (%[[UB]]) inclusive step (%[[STEP]]) {
69  ! CHECK: fir.store %[[ARG2]] to %[[I_PVT_DECL]]#1 : !fir.ref<i32>
70  ! CHECK: fir.call @_QPfoo(%[[I_PVT_DECL]]#1, %[[A_PVT_DECL]]#1) {{.*}}: (!fir.ref<i32>, !fir.ref<i32>) -> ()
71  ! CHECK: omp.yield
72    do i= a, n
73      call foo(i, a)
74    end do
75  !$omp end parallel do
76  !CHECK: fir.call @_QPbar(%[[ARG1_DECL]]#1) {{.*}}: (!fir.ref<i32>) -> ()
77  call bar(n)
78end subroutine omp_do_firstprivate2
79