derek.holloway
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77 lines
1.8 KiB
Fortran
77 lines
1.8 KiB
Fortran
! Offloading test with a target region mapping a declare target Fortran array
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! writing some values to it and checking the host correctly receives the
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! updates made on the device.
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! REQUIRES: flang, amdgpu
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! RUN: %libomptarget-compile-fortran-run-and-check-generic
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module test_0
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implicit none
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INTEGER :: arr1(10) = (/0,0,0,0,0,0,0,0,0,0/)
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INTEGER :: arr2(10) = (/0,0,0,0,0,0,0,0,0,0/)
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!$omp declare target link(arr1) enter(arr2)
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INTEGER :: scalar = 1
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!$omp declare target link(scalar)
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end module test_0
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subroutine test_with_array_link_and_tofrom()
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use test_0
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integer :: i = 1
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integer :: j = 11
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!$omp target map(tofrom:arr1, i, j)
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do while (i <= j)
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arr1(i) = i;
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i = i + 1
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end do
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!$omp end target
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! CHECK: 1 2 3 4 5 6 7 8 9 10
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PRINT *, arr1(:)
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end subroutine test_with_array_link_and_tofrom
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subroutine test_with_array_link_only()
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use test_0
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integer :: i = 1
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integer :: j = 11
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!$omp target map(i, j)
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do while (i <= j)
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arr1(i) = i + 1;
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i = i + 1
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end do
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!$omp end target
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! CHECK: 2 3 4 5 6 7 8 9 10 11
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PRINT *, arr1(:)
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end subroutine test_with_array_link_only
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subroutine test_with_array_enter_only()
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use test_0
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integer :: i = 1
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integer :: j = 11
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!$omp target map(i, j)
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do while (i <= j)
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arr2(i) = i + 1;
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i = i + 1
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end do
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!$omp end target
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! CHECK: 0 0 0 0 0 0 0 0 0 0
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PRINT *, arr2(:)
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end subroutine test_with_array_enter_only
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subroutine test_with_scalar_link_only()
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use test_0
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!$omp target
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scalar = 10
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!$omp end target
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! CHECK: 10
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PRINT *, scalar
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end subroutine test_with_scalar_link_only
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program main
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call test_with_array_link_and_tofrom()
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call test_with_array_link_only()
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call test_with_array_enter_only()
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call test_with_scalar_link_only()
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end program
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