70894c8dd1
This patch implements the following semantic checks for cancellation constructs: ``` OpenMP Version 5.0 Section 2.18.1: CANCEL construct restriction: If construct-type-clause is taskgroup, the cancel construct must be closely nested inside a task or a taskloop construct and the cancel region must be closely nested inside a taskgroup region. If construct-type-clause is sections, the cancel construct must be closely nested inside a sections or section construct. Otherwise, the cancel construct must be closely nested inside an OpenMP construct that matches the type specified in construct-type-clause of the cancel construct. OpenMP Version 5.0 Section 2.18.2: CANCELLATION POINT restriction: A cancellation point construct for which construct-type-clause is taskgroup must be closely nested inside a task or taskloop construct, and the cancellation point region must be closely nested inside a taskgroup region. A cancellation point construct for which construct-type-clause is sections must be closely nested inside a sections or section construct. A cancellation point construct for which construct-type-clause is neither sections nor taskgroup must be closely nested inside an OpenMP construct that matches the type specified in construct-type-clause. ``` Also add test cases for the check. Reviewed By: kiranchandramohan Differential Revision: https://reviews.llvm.org/D106538
251 lines
5.7 KiB
Fortran
251 lines
5.7 KiB
Fortran
! RUN: %S/test_errors.sh %s %t %flang -fopenmp
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! REQUIRES: shell
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! OpenMP Version 5.0
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! Check OpenMP construct validity for the following directives:
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! 2.18.1 Cancel Construct
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program main
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integer :: i, N = 10
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real :: a
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!ERROR: CANCEL TASKGROUP directive is not closely nested inside TASK or TASKLOOP
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!$omp cancel taskgroup
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!ERROR: CANCEL SECTIONS directive is not closely nested inside SECTION or SECTIONS
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!$omp cancel sections
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!ERROR: CANCEL DO directive is not closely nested inside the construct that matches the DO clause type
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!$omp cancel do
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!ERROR: CANCEL PARALLEL directive is not closely nested inside the construct that matches the PARALLEL clause type
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!$omp cancel parallel
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!$omp parallel
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!$omp sections
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!$omp cancel sections
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!$omp section
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a = 3.14
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!$omp end sections
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!$omp end parallel
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!$omp sections
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!$omp section
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!$omp cancel sections
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a = 3.14
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!$omp end sections
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!$omp parallel
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!ERROR: With SECTIONS clause, CANCEL construct cannot be closely nested inside PARALLEL construct
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!$omp cancel sections
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a = 3.14
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!$omp end parallel
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!$omp parallel sections
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!$omp cancel sections
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a = 3.14
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!$omp end parallel sections
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!$omp do
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do i = 1, N
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a = 3.14
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!$omp cancel do
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end do
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!$omp end do
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!$omp parallel do
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do i = 1, N
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a = 3.14
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!$omp cancel do
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end do
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!$omp end parallel do
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!$omp target
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!$omp teams
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!$omp distribute parallel do
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do i = 1, N
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a = 3.14
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!$omp cancel do
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end do
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!$omp end distribute parallel do
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!$omp end teams
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!$omp end target
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!$omp target
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!$omp teams distribute parallel do
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do i = 1, N
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a = 3.14
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!$omp cancel do
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end do
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!$omp end teams distribute parallel do
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!$omp end target
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!$omp target teams distribute parallel do
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do i = 1, N
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a = 3.14
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!$omp cancel do
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end do
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!$omp end target teams distribute parallel do
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!$omp target parallel do
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do i = 1, N
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a = 3.14
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!$omp cancel do
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end do
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!$omp end target parallel do
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!$omp parallel
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do i = 1, N
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a = 3.14
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!ERROR: With DO clause, CANCEL construct cannot be closely nested inside PARALLEL construct
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!$omp cancel do
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end do
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!$omp end parallel
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!$omp parallel
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do i = 1, N
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a = 3.14
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!$omp cancel parallel
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end do
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!$omp end parallel
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!$omp target parallel
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do i = 1, N
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a = 3.14
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!$omp cancel parallel
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end do
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!$omp end target parallel
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!$omp target parallel do
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do i = 1, N
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a = 3.14
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!ERROR: With PARALLEL clause, CANCEL construct cannot be closely nested inside TARGET PARALLEL DO construct
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!$omp cancel parallel
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end do
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!$omp end target parallel do
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!$omp do
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do i = 1, N
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a = 3.14
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!ERROR: With PARALLEL clause, CANCEL construct cannot be closely nested inside DO construct
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!$omp cancel parallel
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end do
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!$omp end do
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contains
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subroutine sub1()
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!$omp task
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!$omp cancel taskgroup
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a = 3.14
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!$omp end task
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!$omp taskloop
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do i = 1, N
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!$omp parallel
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!$omp end parallel
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!$omp cancel taskgroup
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a = 3.14
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end do
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!$omp end taskloop
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!$omp taskloop nogroup
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do i = 1, N
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!$omp cancel taskgroup
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a = 3.14
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end do
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!$omp parallel
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!ERROR: With TASKGROUP clause, CANCEL construct must be closely nested inside TASK or TASKLOOP construct and CANCEL region must be closely nested inside TASKGROUP region
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!$omp cancel taskgroup
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a = 3.14
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!$omp end parallel
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!$omp do
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do i = 1, N
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!$omp task
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!$omp cancel taskgroup
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a = 3.14
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!$omp end task
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end do
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!$omp end do
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!$omp parallel
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!$omp taskgroup
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!$omp task
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!$omp cancel taskgroup
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a = 3.14
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!$omp end task
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!$omp end taskgroup
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!$omp end parallel
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!$omp parallel
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!$omp task
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!ERROR: With TASKGROUP clause, CANCEL construct must be closely nested inside TASK or TASKLOOP construct and CANCEL region must be closely nested inside TASKGROUP region
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!$omp cancel taskgroup
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a = 3.14
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!$omp end task
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!$omp end parallel
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!$omp parallel
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!$omp do
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do i = 1, N
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!$omp task
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!ERROR: With TASKGROUP clause, CANCEL construct must be closely nested inside TASK or TASKLOOP construct and CANCEL region must be closely nested inside TASKGROUP region
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!$omp cancel taskgroup
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a = 3.14
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!$omp end task
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end do
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!$omp end do
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!$omp end parallel
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!$omp target parallel
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!$omp task
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!ERROR: With TASKGROUP clause, CANCEL construct must be closely nested inside TASK or TASKLOOP construct and CANCEL region must be closely nested inside TASKGROUP region
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!$omp cancel taskgroup
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a = 3.14
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!$omp end task
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!$omp end target parallel
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!$omp parallel
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!$omp taskloop private(j) nogroup
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do i = 1, N
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!ERROR: With TASKGROUP clause, CANCEL construct must be closely nested inside TASK or TASKLOOP construct and CANCEL region must be closely nested inside TASKGROUP region
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!$omp cancel taskgroup
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a = 3.14
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end do
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!$omp end taskloop
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!$omp end parallel
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!$omp parallel
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!$omp taskloop
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do i = 1, N
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!$omp cancel taskgroup
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a = 3.14
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end do
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!$omp end taskloop
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!$omp end parallel
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!$omp parallel
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!$omp taskgroup
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!$omp taskloop nogroup
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do i = 1, N
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!$omp cancel taskgroup
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a = 3.14
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end do
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!$omp end taskloop
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!$omp end taskgroup
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!$omp end parallel
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!$omp target parallel
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!$omp taskloop nogroup
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do i = 1, N
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!ERROR: With TASKGROUP clause, CANCEL construct must be closely nested inside TASK or TASKLOOP construct and CANCEL region must be closely nested inside TASKGROUP region
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!$omp cancel taskgroup
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a = 3.14
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end do
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!$omp end taskloop
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!$omp end target parallel
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end subroutine sub1
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end program main
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