llvm-project/flang/test/Lower/OpenMP/parallel-wsloop-firstpriv.f90
Kiran Chandramohan e2911aa2c2
[Flang][OpenMP] Fix crash when loop index var is pointer or allocatable (#129717)
Use hlfir dereferencing for pointers and allocatables and use hlfir
assign. Also, change the code updating IV in lastprivate.

Note: This is a small change. Modifications in existing tests are
changes from fir.store to hlfir.assign.

Fixes #121290
2025-03-06 12:19:34 +00:00

61 lines
3.8 KiB
Fortran

! This test checks lowering of OpenMP parallel DO, with the loop bound being
! a firstprivate variable
! RUN: bbc -fopenmp -emit-hlfir %s -o - | FileCheck %s
! CHECK: func @_QPomp_do_firstprivate(%[[ARG0:.*]]: !fir.ref<i32> {fir.bindc_name = "a"})
subroutine omp_do_firstprivate(a)
! 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>)
integer::a
integer::n
n = a+1
!$omp parallel do firstprivate(a)
! CHECK: omp.parallel {
! CHECK: %[[LB:.*]] = arith.constant 1 : i32
! CHECK-NEXT: %[[UB:.*]] = fir.load %[[ARG0_DECL]]#0 : !fir.ref<i32>
! CHECK-NEXT: %[[STEP:.*]] = arith.constant 1 : i32
! CHECK-NEXT: omp.wsloop private(@{{.*a_firstprivate.*}} %{{.*}}#0 -> %[[A_PVT_REF:.*]], @{{.*i_private.*}} %{{.*}}#0 -> %[[I_PVT_REF:.*]] : !fir.ref<i32>, !fir.ref<i32>) {
! CHECK-NEXT: omp.loop_nest (%[[ARG1:.*]]) : i32 = (%[[LB]]) to (%[[UB]]) inclusive step (%[[STEP]]) {
! CHECK: %[[A_PVT_DECL:.*]]:2 = hlfir.declare %[[A_PVT_REF]] {uniq_name = "_QFomp_do_firstprivateEa"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
! CHECK: %[[I_PVT_DECL:.*]]:2 = hlfir.declare %[[I_PVT_REF]] {uniq_name = "_QFomp_do_firstprivateEi"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
! CHECK-NEXT: hlfir.assign %[[ARG1]] to %[[I_PVT_DECL]]#1 : i32, !fir.ref<i32>
! CHECK-NEXT: fir.call @_QPfoo(%[[I_PVT_DECL]]#1, %[[A_PVT_DECL]]#1) {{.*}}: (!fir.ref<i32>, !fir.ref<i32>) -> ()
! CHECK-NEXT: omp.yield
! CHECK-NEXT: }
! CHECK-NEXT: }
do i=1, a
call foo(i, a)
end do
!$omp end parallel do
!CHECK: fir.call @_QPbar(%[[ARG0_DECL]]#1) {{.*}}: (!fir.ref<i32>) -> ()
call bar(a)
end subroutine omp_do_firstprivate
! CHECK: func @_QPomp_do_firstprivate2(%[[ARG0:.*]]: !fir.ref<i32> {fir.bindc_name = "a"}, %[[ARG1:.*]]: !fir.ref<i32> {fir.bindc_name = "n"})
subroutine omp_do_firstprivate2(a, n)
! 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>)
! 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>)
integer::a
integer::n
n = a+1
!$omp parallel do firstprivate(a, n)
! CHECK: omp.parallel {
! CHECK: %[[LB:.*]] = fir.load %[[ARG0_DECL]]#0 : !fir.ref<i32>
! CHECK: %[[UB:.*]] = fir.load %[[ARG1_DECL]]#0 : !fir.ref<i32>
! CHECK: %[[STEP:.*]] = arith.constant 1 : i32
! CHECK: omp.wsloop private(@{{.*a_firstprivate.*}} %{{.*}}#0 -> %[[A_PVT_REF:.*]], @{{.*n_firstprivate.*}} %{{.*}}#0 -> %[[N_PVT_REF:.*]], @{{.*i_private.*}} %{{.*}}#0 -> %[[I_PVT_REF:.*]] : !fir.ref<i32>, !fir.ref<i32>, !fir.ref<i32>) {
! CHECK-NEXT: omp.loop_nest (%[[ARG2:.*]]) : i32 = (%[[LB]]) to (%[[UB]]) inclusive step (%[[STEP]]) {
! CHECK: %[[A_PVT_DECL:.*]]:2 = hlfir.declare %[[A_PVT_REF]] {uniq_name = "_QFomp_do_firstprivate2Ea"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
! CHECK: %[[N_PVT_DECL:.*]]:2 = hlfir.declare %[[N_PVT_REF]] {uniq_name = "_QFomp_do_firstprivate2En"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
! CHECK: %[[I_PVT_DECL:.*]]:2 = hlfir.declare %[[I_PVT_REF]] {uniq_name = "_QFomp_do_firstprivate2Ei"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
! CHECK: hlfir.assign %[[ARG2]] to %[[I_PVT_DECL]]#1 : i32, !fir.ref<i32>
! CHECK: fir.call @_QPfoo(%[[I_PVT_DECL]]#1, %[[A_PVT_DECL]]#1) {{.*}}: (!fir.ref<i32>, !fir.ref<i32>) -> ()
! CHECK: omp.yield
do i= a, n
call foo(i, a)
end do
!$omp end parallel do
!CHECK: fir.call @_QPbar(%[[ARG1_DECL]]#1) {{.*}}: (!fir.ref<i32>) -> ()
call bar(n)
end subroutine omp_do_firstprivate2