llvm-project/flang/test/Semantics/OpenMP/nested-target.f90
Andre Kuhlenschmidt 83b462af17
[flang][CLI] Have the CLI hint the flag to disable a warning (#144767)
Adds a hint to the warning message to disable a warning and updates the
tests to expect this.

Also fixes a bug in the storage of canonical spelling of error flags so
that they are not used after free.
2025-06-30 10:17:05 -07:00

80 lines
2.5 KiB
Fortran

! RUN: %python %S/../test_errors.py %s %flang_fc1 -fopenmp -Werror -pedantic
! OpenMP Version 5.0
! Check OpenMP construct validity for the following directives:
! 2.12.5 Target Construct
program main
integer :: i, j, N = 10, n1, n2, res(100)
real :: a, arrayA(512), arrayB(512), ai(10)
real, allocatable :: B(:)
!$omp target
!PORTABILITY: If TARGET UPDATE directive is nested inside TARGET region, the behaviour is unspecified [-Wopen-mp-usage]
!$omp target update from(arrayA) to(arrayB)
do i = 1, 512
arrayA(i) = arrayB(i)
end do
!$omp end target
!$omp parallel
!$omp target
!$omp parallel
!PORTABILITY: If TARGET UPDATE directive is nested inside TARGET region, the behaviour is unspecified [-Wopen-mp-usage]
!$omp target update from(arrayA) to(arrayB)
do i = 1, 512
arrayA(i) = arrayB(i)
end do
!$omp end parallel
!$omp end target
!$omp end parallel
!$omp target
!PORTABILITY: If TARGET DATA directive is nested inside TARGET region, the behaviour is unspecified [-Wopen-mp-usage]
!$omp target data map(to: a)
do i = 1, N
a = 3.14
end do
!$omp end target data
!$omp end target
allocate(B(N))
!$omp target
!PORTABILITY: If TARGET ENTER DATA directive is nested inside TARGET region, the behaviour is unspecified [-Wopen-mp-usage]
!$omp target enter data map(alloc:B)
!$omp end target
!$omp target
!PORTABILITY: If TARGET EXIT DATA directive is nested inside TARGET region, the behaviour is unspecified [-Wopen-mp-usage]
!$omp target exit data map(delete:B)
!$omp end target
deallocate(B)
n1 = 10
n2 = 10
!$omp target teams map(to:a)
!PORTABILITY: If TARGET DATA directive is nested inside TARGET region, the behaviour is unspecified [-Wopen-mp-usage]
!ERROR: Only `DISTRIBUTE`, `PARALLEL`, or `LOOP` regions are allowed to be strictly nested inside `TEAMS` region.
!$omp target data map(n1,n2)
do i=1, n1
do j=1, n2
res((i-1)*10+j) = i*j
end do
end do
!$omp end target data
!$omp end target teams
!$omp target teams map(to:a) map(from:n1,n2)
!PORTABILITY: If TARGET TEAMS DISTRIBUTE PARALLEL DO directive is nested inside TARGET region, the behaviour is unspecified [-Wopen-mp-usage]
!ERROR: Only `DISTRIBUTE`, `PARALLEL`, or `LOOP` regions are allowed to be strictly nested inside `TEAMS` region.
!$omp target teams distribute parallel do
do i=1, n1
do j=1, n2
res((i-1)*10+j) = i*j
end do
end do
!$omp end target teams distribute parallel do
!$omp end target teams
end program main