! RUN: %flang_fc1 -fdebug-unparse-no-sema -fopenmp %s | FileCheck --ignore-case %s
! RUN: %flang_fc1 -fdebug-dump-parse-tree-no-sema -fopenmp %s | FileCheck --check-prefix="PARSE-TREE" %s
! Check unparsing of OpenMP 5.2 Allocators construct

subroutine allocate()
  use omp_lib
  integer, allocatable :: arr1(:), arr2(:, :)

  !$omp allocators allocate(omp_default_mem_alloc: arr1)
    allocate(arr1(5))

  !$omp allocators allocate(allocator(omp_default_mem_alloc), align(32): arr1) &
  !$omp allocate(omp_default_mem_alloc: arr2)
    allocate(arr1(10), arr2(3, 2))

  !$omp allocators allocate(align(32): arr2)
    allocate(arr2(5, 3))
end subroutine allocate

!CHECK: INTEGER, ALLOCATABLE :: arr1(:), arr2(:,:)
!CHECK-NEXT:!$OMP ALLOCATE ALLOCATE(omp_default_mem_alloc:arr1)
!CHECK-NEXT: ALLOCATE(arr1(5))
!CHECK-NEXT:!$OMP ALLOCATE ALLOCATE(ALLOCATOR(omp_default_mem_alloc),ALIGN(32):arr1) ALLOC&
!CHECK-NEXT:!$OMP&ATE(omp_default_mem_alloc:arr2)
!CHECK-NEXT: ALLOCATE(arr1(10), arr2(3,2))
!CHECK-NEXT:!$OMP ALLOCATE ALLOCATE(ALIGN(32):arr2)
!CHECK-NEXT: ALLOCATE(arr2(5,3))

!PARSE-TREE: ExecutionPartConstruct -> ExecutableConstruct -> OpenMPConstruct -> OpenMPAllocatorsConstruct
!PARSE-TREE-NEXT: Verbatim
!PARSE-TREE-NEXT: OmpClauseList -> OmpClause -> Allocate -> OmpAllocateClause
!PARSE-TREE-NEXT: AllocateModifier -> Allocator -> Scalar -> Integer -> Expr -> Designator -> DataRef -> Name =
!PARSE-TREE-NEXT: OmpObjectList -> OmpObject -> Designator -> DataRef -> Name = 'arr1'
!PARSE-TREE-NEXT: AllocateStmt
!PARSE-TREE-NEXT: Allocation
!PARSE-TREE-NEXT: AllocateObject -> Name = 'arr1'

!PARSE-TREE: ExecutionPartConstruct -> ExecutableConstruct -> OpenMPConstruct -> OpenMPAllocatorsConstruct
!PARSE-TREE-NEXT: Verbatim
!PARSE-TREE-NEXT: OmpClauseList -> OmpClause -> Allocate -> OmpAllocateClause
!PARSE-TREE-NEXT: AllocateModifier -> ComplexModifier
!PARSE-TREE-NEXT: Allocator -> Scalar -> Integer -> Expr -> Designator -> DataRef -> Name =
!PARSE-TREE-NEXT: Align -> Scalar -> Integer -> Expr -> LiteralConstant -> IntLiteralConstant = '32'
!PARSE-TREE-NEXT: OmpObjectList -> OmpObject -> Designator -> DataRef -> Name = 'arr1'
!PARSE-TREE-NEXT: OmpClause -> Allocate -> OmpAllocateClause
!PARSE-TREE-NEXT: AllocateModifier -> Allocator -> Scalar -> Integer -> Expr -> Designator -> DataRef -> Name =
!PARSE-TREE-NEXT: OmpObjectList -> OmpObject -> Designator -> DataRef -> Name = 'arr2'
!PARSE-TREE-NEXT: AllocateStmt
!PARSE-TREE-NEXT: Allocation
!PARSE-TREE-NEXT: AllocateObject -> Name = 'arr1'
!PARSE-TREE-NEXT: AllocateShapeSpec
!PARSE-TREE-NEXT: Scalar -> Integer -> Expr -> LiteralConstant -> IntLiteralConstant = '10'
!PARSE-TREE-NEXT: Allocation
!PARSE-TREE-NEXT: AllocateObject -> Name = 'arr2'

!PARSE-TREE: ExecutionPartConstruct -> ExecutableConstruct -> OpenMPConstruct -> OpenMPAllocatorsConstruct
!PARSE-TREE-NEXT: Verbatim
!PARSE-TREE-NEXT: OmpClauseList -> OmpClause -> Allocate -> OmpAllocateClause
!PARSE-TREE-NEXT: AllocateModifier -> Align -> Scalar -> Integer -> Expr -> LiteralConstant -> IntLiteralConstant = '32'
!PARSE-TREE-NEXT: OmpObjectList -> OmpObject -> Designator -> DataRef -> Name = 'arr2'
!PARSE-TREE-NEXT: AllocateStmt
!PARSE-TREE-NEXT: Allocation
!PARSE-TREE-NEXT: AllocateObject -> Name = 'arr2'