This patch implements the following check for TARGET construct:
```
OpenMP Version 5.0 Target construct restriction: If a target update,
target data, target enter data, or target exit data construct is
encountered during execution of a target region, the behavior is
unspecified.
```
Also add one test case for the check.
Reviewed By: kiranchandramohan, clementval
Differential Revision: https://reviews.llvm.org/D106165
This patch implements the following check for TEAMS construct:
```
OpenMP Version 5.0 Teams construct restriction: A teams region can
only be strictly nested within the implicit parallel region or a target
region. If a teams construct is nested within a target construct, that
target construct must contain no statements, declarations or directives
outside of the teams construct.
```
Also add one test case for the check.
Reviewed By: kiranchandramohan, clementval
Differential Revision: https://reviews.llvm.org/D106335
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
This patch adds the following nesting check for `barrier` constructs:
```
A barrier region may not be closely nested inside a worksharing, loop, task, taskloop, critical, ordered, atomic, or master region.
```
Also adds a test case for the check,
Reviewed By: kiranchandramohan
Differential Revision: https://reviews.llvm.org/D99888
This patch adds the 4th Fortran specific semantic check for the OpenMP
allocate directive: "If a list item has the SAVE attribute, is a common
block name, or is declared in the scope of a module, then only predefined
memory allocator parameters can be used in the allocator clause".
Code in this patch was based on code from https://reviews.llvm.org/D93549/new/.
Differential Revision: https://reviews.llvm.org/D102400
Implement the following semantic check:
"A list item may not appear in a linear clause, unless it is the loop iteration variable."
Reviewed By: kiranchandramohan
Differential Revision: https://reviews.llvm.org/D100224
This patch adds the following Fortran specific semantic checks for the OpenMP
Allocate directive.
1) A type parameter inquiry cannot appear in an ALLOCATE directive.
2) List items specified in the ALLOCATE directive must not have the ALLOCATABLE
attribute unless the directive is associated with an ALLOCATE statement.
Co-authored-by: Irina Dobrescu <irina.dobrescu@arm.com>
Reviewed By: kiranchandramohan
Differential Revision: https://reviews.llvm.org/D102061
This patch implements the following semantic check:
```
A master region may not be closely nested inside a work-sharing, loop, atomic, task, or taskloop region.
```
Adds a test case and also modifies a couple of existing test cases to include the check.
Reviewed By: kiranchandramohan
Differential Revision: https://reviews.llvm.org/D100228
This patch adds semantic checks for the General Restrictions of the
Allocate Directive.
Since the requires directive is not yet implemented in Flang, the
restriction:
```
allocate directives that appear in a target region must
specify an allocator clause unless a requires directive with the
dynamic_allocators clause is present in the same compilation unit
```
will need to be updated at a later time.
A different patch will be made with the Fortran specific restrictions of
this directive.
I have used the code from https://reviews.llvm.org/D89395 for the
CheckObjectListStructure function.
Co-authored-by: Isaac Perry <isaac.perry@arm.com>
Reviewed By: clementval, kiranchandramohan
Differential Revision: https://reviews.llvm.org/D91159
This patch fixes a bug to allow ordered construct within a non-worksharing loop, also adds more sema checks.
Reviewed By: kiranchandramohan
Differential Revision: https://reviews.llvm.org/D98733
1. Generate the mapping for clauses between the parser class and the
corresponding clause kind for OpenMP and OpenACC using tablegen.
2. Add a common function to get the OmpObjectList from the OpenMP
clauses to avoid repetition of code.
Reviewed by: Kiranchandramohan @kiranchandramohan , Valentin Clement @clementval
Differential Revision: https://reviews.llvm.org/D98603
Semantic checks for the following OpenMP 4.5 clauses.
1. 2.15.4.2 - Copyprivate clause
2. 2.15.3.4 - Firstprivate clause
3. 2.15.3.5 - Lastprivate clause
Add related test cases and resolve test cases marked as XFAIL.
Reviewed By: kiranchandramohan
Differential Revision: https://reviews.llvm.org/D91920
Implementation of Do loop iteration variable check, Do while loop check, Do loop cycle restrictions.
Also to check whether the ordered clause is present on the loop construct if any ordered region ever
binds to a loop region arising from the loop construct.
Files:
check-omp-structure.h
check-omp-structure.cpp
resolve-directives.cpp
Testcases:
omp-do06-positivecases.f90
omp-do06.f90
omp-do08.f90
omp-do09.f90
omp-do10.f90
omp-do11.f90
omp-do12.f90
omp-do13.f90
omp-do14.f90
omp-do15.f90
omp-do16.f90
omp-do17.f90
Reviewed by: Kiran Chandramohan @kiranchandramohan , Valentin Clement @clementval
Differential Revision: https://reviews.llvm.org/D92732
This patch is a follow up to D94821 to ensure the correct behavior of the
general directive structure checker.
This patch add the generation of the Enter function declaration for clauses in
the TableGen backend.
This helps to ensure each clauses declared in the TableGen file has at least
a basic check.
Reviewed By: kiranchandramohan
Differential Revision: https://reviews.llvm.org/D95108
Add Semantic checks for OpenMP 4.5 - 2.7.4 Workshare Construct.
- The structured block in a workshare construct may consist of only
scalar or array assignments, forall or where statements,
forall, where, atomic, critical or parallel constructs.
- All array assignments, scalar assignments, and masked array
assignments must be intrinsic assignments.
- The construct must not contain any user defined function calls unless
the function is ELEMENTAL.
Test cases : omp-workshare03.f90, omp-workshare04.f90, omp-workshare05.f90
Resolve test cases (omp-workshare01.f90 and omp-workshare02.f90) marked as XFAIL
Reviewed By: kiranchandramohan
Differential Revision: https://reviews.llvm.org/D93091
Semantic checks added to check the worksharing 'single' region closely nested inside a worksharing 'do' region. And also to check whether the 'do' iteration variable is a variable in 'Firstprivate' clause.
Files:
check-directive-structure.h
check-omp-structure.h
check-omp-structure.cpp
Testcases:
omp-do01-positivecase.f90
omp-do01.f90
omp-do05-positivecase.f90
omp-do05.f90
Reviewed by: Kiran Chandramohan @kiranchandramohan , Valentin Clement @clementval
Differential Revision: https://reviews.llvm.org/D93205
After discussion in D93105 we found that the reduction clause was not following
the common OmpClause convention. This patch makes reduction clause part of OmpClause
with a value of OmpReductionClause in a similar way than task_reduction.
The unparse function for OmpReductionClause is adapted since the keyword and parenthesis
are issued by the corresponding unparse function for parser::OmpClause::Reduction.
Reviewed By: sameeranjoshi
Differential Revision: https://reviews.llvm.org/D93482
See OMP-5.0 2.19.5.5 task_reduction Clause.
To add a positive test case we need `taskgroup` directive which is not added hence skipping the test.
This is a dependency for `taskgroup` construct.
Reviewed By: clementval
Differential Revision: https://reviews.llvm.org/D93105
Co-authored-by: Valentin Clement <clementval@gmail.com>
See OMP-5.0 2.19.5.5 task_reduction Clause.
To add a positive test case we need `taskgroup` directive which is not added hence skipping the test.
This is a dependency for `taskgroup` construct.
Reviewed By: clementval
Differential Revision: https://reviews.llvm.org/D93105
After discussion in `D93482` we found that the some of the clauses were not
following the common OmpClause convention.
The benefits of using OmpClause:
- Functionalities from structure checker are mostly aligned to work with
`llvm::omp::Clause`.
- The unparsing as well can take advantage.
- Homogeneity with OpenACC and rest of the clauses in OpenMP.
- Could even generate the parser with TableGen, when there is homogeneity.
- It becomes confusing when to use `flangClass` and `flangClassValue` inside
TableGen, if incase we generate parser using TableGen we could have only a
single `let expression`.
This patch makes `OmpDistScheduleClause` clause part of `OmpClause`.
The unparse function for `OmpDistScheduleClause` is adapted since the keyword
and parenthesis are issued by the corresponding unparse function for
`parser::OmpClause::DistSchedule`.
Reviewed By: clementval, kiranktp
Differential Revision: https://reviews.llvm.org/D93644
After discussion in `D93482` we found that the some of the clauses were not
following the common OmpClause convention.
The benefits of using OmpClause:
- Functionalities from structure checker are mostly aligned to work with
`llvm::omp::Clause`.
- The unparsing as well can take advantage.
- Homogeneity with OpenACC and rest of the clauses in OpenMP.
- Could even generate the parser with TableGen, when there is homogeneity.
- It becomes confusing when to use `flangClass` and `flangClassValue` inside
TableGen, if incase we generate parser using TableGen we could have only a
single `let expression`.
This patch makes `OmpNoWait` clause part of `OmpClause`.
Reviewed By: clementval, kiranktp
Differential Revision: https://reviews.llvm.org/D93643
After discussion in `D93482` we found that the some of the clauses were not
following the common OmpClause convention.
The benefits of using OmpClause:
- Functionalities from structure checker are mostly aligned to work with
`llvm::omp::Clause`.
- The unparsing as well can take advantage.
- Homogeneity with OpenACC and rest of the clauses in OpenMP.
- Could even generate the parser with TableGen, when there is homogeneity.
- It becomes confusing when to use `flangClass` and `flangClassValue` inside
TableGen, if incase we generate parser using TableGen we could have only a
single `let expression`.
This patch makes `OmpProcBindClause` clause part of `OmpClause`.
The unparse function is dropped as the unparsing is done by `WALK_NESTED_ENUM`
for `OmpProcBindClause`.
Reviewed By: clementval, kiranktp
Differential Revision: https://reviews.llvm.org/D93642
After discussion in `D93482` we found that the some of the clauses were not
following the common OmpClause convention.
The benefits of using OmpClause:
- Functionalities from structure checker are mostly aligned to work with
`llvm::omp::Clause`.
- The unparsing as well can take advantage.
- Homogeneity with OpenACC and rest of the clauses in OpenMP.
- Could even generate the parser with TableGen, when there is homogeneity.
- It becomes confusing when to use `flangClass` and `flangClassValue` inside
TableGen, if incase we generate parser using TableGen we could have only a
single `let expression`.
This patch makes `OmpDefaultClause` clause part of `OmpClause`.
The unparse function is dropped as the unparsing is done by `WALK_NESTED_ENUM`
for `OmpDefaultClause`.
Reviewed By: clementval, kiranktp
Differential Revision: https://reviews.llvm.org/D93641
After discussion in `D93482` we found that the some of the clauses were not
following the common OmpClause convention.
The benefits of using OmpClause:
- Functionalities from structure checker are mostly aligned to work with
`llvm::omp::Clause`.
- The unparsing as well can take advantage.
- Homogeneity with OpenACC and rest of the clauses in OpenMP.
- Could even generate the parser with TableGen, when there is homogeneity.
- It becomes confusing when to use `flangClass` and `flangClassValue` inside
TableGen, if incase we generate parser using TableGen we could have only a
single `let expression`.
This patch makes `allocate` clause part of `OmpClause`.The unparse function for
`OmpAllocateClause` is adapted since the keyword and parenthesis are issued by
the corresponding unparse function for `parser::OmpClause::Allocate`.
Reviewed By: clementval
Differential Revision: https://reviews.llvm.org/D93640
Remove the OpenMP clause information from the OMPKinds.def file and use the
information from the new OMP.td file. There is now a single source of truth for the
directives and clauses.
To avoid generate lots of specific small code from tablegen, the macros previously
used in OMPKinds.def are generated almost as identical. This can be polished and
possibly removed in a further patch.
Reviewed By: jdoerfert
Differential Revision: https://reviews.llvm.org/D92955
Patch implements restrictions from 2.17.7 of OpenMP 5.0 standard for atomic Construct. Tests for the same are added.
One of the restriction
`OpenMP constructs may not be encountered during execution of an atomic region.`
Is mentioned in 5.0 standard to be a semantic restriction, but given the stricter nature of parser in F18 it's caught at parsing itself.
This patch is a next patch in series from D88965.
Reviewed By: clementval
Differential Revision: https://reviews.llvm.org/D89583
Add the semantic checks for the OpenMP 4.5 - 2.15.3.3 Private clause.
1. Pointers with the INTENT(IN) attribute may not appear in a private clause.
2. Variables that appear in namelist statements may not appear in a private clause.
A flag 'InNamelist' is added to the Symbol::Flag to identify the symbols
in Namelist statemnts.
Test cases : omp-private01.f90, omp-private02.f90
Reviewed By: kiranchandramohan
Differential Revision: https://reviews.llvm.org/D90210
Semantic check to restrict the appearance of a variable that is part of another variable
(as an array or structure element) in a PRIVATE or SHARED clause.
Test Cases:
omp-parallel-private01.f90
omp-parallel-private02.f90
omp-parallel-private03.f90
omp-parallel-private04.f90
omp-parallel-shared01.f90
omp-parallel-shared02.f90
omp-parallel-shared03.f90
omp-parallel-shared04.f90
Reviewed by: Kiran Chandramohan @kiranchandramohan , Valentin Clement @clementval
Differential Revision: https://reviews.llvm.org/D89395
This patch introduce the separate parser for the memory-order-clause from the general
OmpClauseList. This parser still creates OmpClause node and therefore can use all the feature
from TableGen and the OmpStructureChecker.
This is applied only for the Flush construct in this patch and it should be applied for
atomic as well.
This is the approach we disscussed several time during the weekly call.
Reviewed By: kiranchandramohan, sameeranjoshi
Differential Revision: https://reviews.llvm.org/D91839
`OmpStructureChecker` has too much boilerplate code in source file.
This patch:
1. Use helpers from `check-directive-structure.h` and reduces the boilerplate.
2. Use TableGen infrastructure as much as possible.
Reviewed By: kiranchandramohan
Differential Revision: https://reviews.llvm.org/D90834
Add the semantic checks for the OpenMP 4.5 - 2.13.9 Depend clause.
1. List items in depend clause should not be zero length array sections.
2. A variable that is part of another variable like structure component
should not be specified on a depend clause.
Test cases : omp-depend01.f90, omp-depend02.f90, omp-depend03.f90
Reviewed By: kiranchandramohan
Differential Revision: https://reviews.llvm.org/D89934
`OmpStructureChecker` is supposed to work only with `parser::OmpClause`
after tablegen changes for OpenMP and OpenACC were introduced.
Hence `OmpMemoryOrderClause`, `OmpAtomicMemoryOrderClause` and similar ones were failing
to catch semantic errors, inspite of having code for semantic checks.
This patch tries to change parser for `OmpMemoryOrderClause` and similar dependent ones
and use `OmpClauseList` which resides/comes from common tablegen for OpenMP/OpenACC eventually using `parser::OmpClause`.
This patch also tries to :
1. Change `OmpCriticalDirective` in `openmp-parsers.cpp` to support `OmpClauseList`.
2. Check-flang regresses when changes were introduced due to missing semantic checks in OmpCritical, patch implements them at the minimal level to pass the regression.
3. Change tablegen to support Hint clause.
4. Adds missing source locations `CharBlock Source` in each atomic construct.
5. Remove dead code realted to `memory-order-clauses` after moving to `OmpClauseList`.
Reviewed By: kiranchandramohan
Differential Revision: https://reviews.llvm.org/D88965
Use the TableGen directive back-end to generate code for the clauses unparsing.
Reviewed By: sscalpone, kiranchandramohan
Differential Revision: https://reviews.llvm.org/D85851
This patch remove duplicated code between the check-omp-structure and the check-acc-structure
and unify it into a check-directive-structure templated class.
Reviewed By: kiranchandramohan, sscalpone, ichoyjx
Differential Revision: https://reviews.llvm.org/D85104
Summary:
This patch is enabling the generation of clauses enum sets for semantics check in Flang through
tablegen. Enum sets and directive - sets map is generated by the new tablegen infrsatructure for OpenMP
and other directive languages.
The semantic checks for OpenMP are modified to use this newly generated map.
Reviewers: DavidTruby, sscalpone, kiranchandramohan, ichoyjx, jdoerfert
Reviewed By: DavidTruby, ichoyjx
Subscribers: mgorny, yaxunl, hiraditya, guansong, sstefan1, aaron.ballman, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D83326
Summary:
This patch is removing the custom enumeration for OpenMP Directives and Clauses and replace them
with the newly tablegen generated one from llvm/Frontend. This is a first patch and some will follow to share the same
infrastructure where possible. The next patch should use the clauses allowance defined in the tablegen file.
Reviewers: jdoerfert, DavidTruby, sscalpone, kiranchandramohan, ichoyjx
Reviewed By: DavidTruby, ichoyjx
Subscribers: jholewinski, cfe-commits, dblaikie, MaskRay, ymandel, ichoyjx, mgorny, yaxunl, guansong, jfb, sstefan1, aaron.ballman, llvm-commits
Tags: #llvm, #flang, #clang
Differential Revision: https://reviews.llvm.org/D82906
Summary:
This patch is removing the custom enumeration for OpenMP Directives and Clauses and replace them
with the newly tablegen generated one from llvm/Frontend. This is a first patch and some will follow to share the same
infrastructure where possible. The next patch should use the clauses allowance defined in the tablegen file.
Reviewers: jdoerfert, DavidTruby, sscalpone, kiranchandramohan, ichoyjx
Reviewed By: DavidTruby, ichoyjx
Subscribers: ichoyjx, mgorny, yaxunl, guansong, jfb, sstefan1, aaron.ballman, llvm-commits
Tags: #llvm, #flang
Differential Revision: https://reviews.llvm.org/D82906
PeixinQiao