e70e9ec3b8
Instead of storing a variant with specific types, store parser::Block as the body. Add two access functions to make the traversal of the nest simpler. This will allow storing loop-nest sequences in the future.
78 lines
4.4 KiB
Fortran
78 lines
4.4 KiB
Fortran
! This reproducer hit an issue where when finding directive's, and end directive's would iterate over the block.end()
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! so Flang would crash. We should be able to parse this subroutine without flang crashing.
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! Reported in https://github.com/llvm/llvm-project/issues/147309 and https://github.com/llvm/llvm-project/pull/145917#issuecomment-3041570824
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!RUN: %flang_fc1 -fdebug-dump-parse-tree -fopenmp -fopenmp-version=51 %s | FileCheck %s --check-prefix=CHECK-PARSE
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!RUN: %flang_fc1 -fdebug-unparse -fopenmp -fopenmp-version=51 %s | FileCheck %s --check-prefix=CHECK-UNPARSE
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subroutine loop_transformation_construct7
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implicit none
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real(kind=8), dimension(1:10, 2) :: a
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integer :: b,c
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!$omp target teams distribute parallel do collapse(2) private(b)
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do b = 1, 10
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do c = 1, 10
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a(b, 2) = a(c, 1)
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end do
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end do
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end subroutine
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!CHECK-PARSE: | ExecutionPart -> Block
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!CHECK-PARSE-NEXT: | | ExecutionPartConstruct -> ExecutableConstruct -> OpenMPConstruct -> OpenMPLoopConstruct
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!CHECK-PARSE-NEXT: | | | OmpBeginLoopDirective
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!CHECK-PARSE-NEXT: | | | | OmpDirectiveName -> llvm::omp::Directive = target teams distribute parallel do
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!CHECK-PARSE-NEXT: | | | | OmpClauseList -> OmpClause -> Collapse -> Scalar -> Integer -> Constant -> Expr = '2_4'
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!CHECK-PARSE-NEXT: | | | | | LiteralConstant -> IntLiteralConstant = '2'
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!CHECK-PARSE-NEXT: | | | | OmpClause -> Private -> OmpObjectList -> OmpObject -> Designator -> DataRef -> Name = 'b'
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!CHECK-PARSE-NEXT: | | | | Flags = None
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!CHECK-PARSE-NEXT: | | | Block
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!CHECK-PARSE-NEXT: | | | | ExecutionPartConstruct -> ExecutableConstruct -> DoConstruct
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!CHECK-PARSE-NEXT: | | | | | NonLabelDoStmt
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!CHECK-PARSE-NEXT: | | | | | | LoopControl -> LoopBounds
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!CHECK-PARSE-NEXT: | | | | | | | Scalar -> Name = 'b'
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!CHECK-PARSE-NEXT: | | | | | | | Scalar -> Expr = '1_4'
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!CHECK-PARSE-NEXT: | | | | | | | | LiteralConstant -> IntLiteralConstant = '1'
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!CHECK-PARSE-NEXT: | | | | | | | Scalar -> Expr = '10_4'
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!CHECK-PARSE-NEXT: | | | | | | | | LiteralConstant -> IntLiteralConstant = '10'
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!CHECK-PARSE-NEXT: | | | | | Block
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!CHECK-PARSE-NEXT: | | | | | | ExecutionPartConstruct -> ExecutableConstruct -> DoConstruct
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!CHECK-PARSE-NEXT: | | | | | | | NonLabelDoStmt
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!CHECK-PARSE-NEXT: | | | | | | | | LoopControl -> LoopBounds
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!CHECK-PARSE-NEXT: | | | | | | | | | Scalar -> Name = 'c'
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!CHECK-PARSE-NEXT: | | | | | | | | | Scalar -> Expr = '1_4'
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!CHECK-PARSE-NEXT: | | | | | | | | | | LiteralConstant -> IntLiteralConstant = '1'
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!CHECK-PARSE-NEXT: | | | | | | | | | Scalar -> Expr = '10_4'
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!CHECK-PARSE-NEXT: | | | | | | | | | | LiteralConstant -> IntLiteralConstant = '10'
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!CHECK-PARSE-NEXT: | | | | | | | Block
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!CHECK-PARSE-NEXT: | | | | | | | | ExecutionPartConstruct -> ExecutableConstruct -> ActionStmt -> AssignmentStmt = 'a(int(b,kind=8),2_8)=a(int(c,kind=8),1_8)'
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!CHECK-PARSE-NEXT: | | | | | | | | | Variable = 'a(int(b,kind=8),2_8)'
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!CHECK-PARSE-NEXT: | | | | | | | | | | Designator -> DataRef -> ArrayElement
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!CHECK-PARSE-NEXT: | | | | | | | | | | | DataRef -> Name = 'a'
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!CHECK-PARSE-NEXT: | | | | | | | | | | | SectionSubscript -> Integer -> Expr = 'b'
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!CHECK-PARSE-NEXT: | | | | | | | | | | | | Designator -> DataRef -> Name = 'b'
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!CHECK-PARSE-NEXT: | | | | | | | | | | | SectionSubscript -> Integer -> Expr = '2_4'
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!CHECK-PARSE-NEXT: | | | | | | | | | | | | LiteralConstant -> IntLiteralConstant = '2'
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!CHECK-PARSE-NEXT: | | | | | | | | | Expr = 'a(int(c,kind=8),1_8)'
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!CHECK-PARSE-NEXT: | | | | | | | | | | Designator -> DataRef -> ArrayElement
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!CHECK-PARSE-NEXT: | | | | | | | | | | | DataRef -> Name = 'a'
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!CHECK-PARSE-NEXT: | | | | | | | | | | | SectionSubscript -> Integer -> Expr = 'c'
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!CHECK-PARSE-NEXT: | | | | | | | | | | | | Designator -> DataRef -> Name = 'c'
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!CHECK-PARSE-NEXT: | | | | | | | | | | | SectionSubscript -> Integer -> Expr = '1_4'
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!CHECK-PARSE-NEXT: | | | | | | | | | | | | LiteralConstant -> IntLiteralConstant = '1'
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!CHECK-PARSE-NEXT: | | | | | | | EndDoStmt ->
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!CHECK-PARSE-NEXT: | | | | | EndDoStmt ->
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!CHECK-PARSE-NEXT: | EndSubroutineStmt ->
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!CHECK-UNPARSE: SUBROUTINE loop_transformation_construct7
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!CHECK-UNPARSE-NEXT: IMPLICIT NONE
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!CHECK-UNPARSE-NEXT: REAL(KIND=8_4), DIMENSION(1_4:10_4,2_4) :: a
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!CHECK-UNPARSE-NEXT: INTEGER b, c
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!CHECK-UNPARSE-NEXT: !$OMP TARGET TEAMS DISTRIBUTE PARALLEL DO COLLAPSE(2_4) PRIVATE(b)
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!CHECK-UNPARSE-NEXT: DO b=1_4,10_4
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!CHECK-UNPARSE-NEXT: DO c=1_4,10_4
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!CHECK-UNPARSE-NEXT: a(int(b,kind=8),2_8)=a(int(c,kind=8),1_8)
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!CHECK-UNPARSE-NEXT: END DO
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!CHECK-UNPARSE-NEXT: END DO
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!CHECK-UNPARSE-NEXT: END SUBROUTINE
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