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TheRock/compiler/amd-llvm/flang/test/Lower/OpenACC/Todo/do-loops-to-acc-loops-todo.f90
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

125 lines
3.2 KiB
Fortran

! RUN: split-file %s %t
! RUN: %not_todo_cmd bbc -fopenacc -emit-hlfir %t/do_loop_with_stop.f90 -o - 2>&1 | FileCheck %s --check-prefix=CHECK1
! RUN: %not_todo_cmd bbc -fopenacc -emit-hlfir %t/do_loop_with_cycle_goto.f90 -o - 2>&1 | FileCheck %s --check-prefix=CHECK2
! RUN: %not_todo_cmd bbc -fopenacc -emit-hlfir %t/nested_goto_loop.f90 -o - 2>&1 | FileCheck %s --check-prefix=CHECK3
! RUN: %not_todo_cmd bbc -fopenacc -emit-hlfir %t/nested_loop_with_inner_goto.f90 -o - 2>&1 | FileCheck %s --check-prefix=CHECK4
! RUN: %not_todo_cmd bbc -fopenacc -emit-hlfir %t/collapse.f90 -o - 2>&1 | FileCheck %s --check-prefix=CHECK5
! RUN: %not_todo_cmd bbc -fopenacc -emit-hlfir %t/collapse_nested.f90 -o - 2>&1 | FileCheck %s --check-prefix=CHECK6
//--- do_loop_with_stop.f90
subroutine do_loop_with_stop()
integer :: i
integer, parameter :: n = 10
real, dimension(n) :: a, b
!$acc kernels
do i = 1, n
a(i) = b(i) + 1.0
if (i == 5) stop
end do
!$acc end kernels
! CHECK1: not yet implemented: unstructured do loop in acc kernels
end subroutine
//--- do_loop_with_cycle_goto.f90
subroutine do_loop_with_cycle_goto()
integer :: i
integer, parameter :: n = 10
real, dimension(n) :: a, b
! Do loop with cycle and goto - unstructured control flow is not converted.
!$acc kernels
do i = 1, n
if (i == 3) cycle
a(i) = b(i) + 1.0
if (i == 7) goto 200
a(i) = a(i) * 2.0
end do
200 continue
!$acc end kernels
! CHECK2: not yet implemented: unstructured do loop in acc kernels
end subroutine
//--- nested_goto_loop.f90
subroutine nested_goto_loop()
integer :: i, j
integer, parameter :: n = 10, m = 5
real, dimension(n,m) :: a, b
! Nested loop with goto from inner to outer - should NOT convert to acc.loop
!$acc kernels
do i = 1, n
do j = 1, m
a(i,j) = b(i,j) + 1.0
if (i * j > 20) goto 300 ! Exit both loops
end do
end do
300 continue
!$acc end kernels
! CHECK3: not yet implemented: unstructured do loop in acc kernels
end subroutine
//--- nested_loop_with_inner_goto.f90
subroutine nested_loop_with_inner_goto()
integer :: ii = 0, jj = 0
integer, parameter :: nn = 3
real, dimension(nn, nn) :: aa
aa = -1
! Nested loop with goto from inner loop - unstructured control flow is not converted.
!$acc kernels
do ii = 1, nn
do jj = 1, nn
if (jj > 1) goto 300
aa(jj, ii) = 1337
end do
300 continue
end do
!$acc end kernels
! CHECK4: not yet implemented: unstructured do loop in acc kernels
end subroutine
//--- collapse.f90
! !$acc parallel loop collapse(N) over a do concurrent.
subroutine combined(i, j, k)
integer :: i, j, k
integer :: a(i,j,k)
!$acc parallel loop collapse(3)
do concurrent (i=1:10, j=1:100, k=1:200)
a(i,j,k) = a(i,j,k) + 1
end do
! CHECK5: not yet implemented: OpenACC LOOP COLLAPSE with DO CONCURRENT
end subroutine
//--- collapse_nested.f90
! !$acc parallel loop collapse(N) over a nested do concurrent.
subroutine combined(i, j, k)
integer :: i, j, k
integer :: a(i,j,k)
!$acc parallel loop collapse(3)
do i = 1, 10
do concurrent (j=1:100, k=1:200)
a(i,j,k) = a(i,j,k) + 1
end do
end do
! CHECK6: not yet implemented: OpenACC LOOP with nested DO CONCURRENT
end subroutine