Commit Graph

13 Commits

Author SHA1 Message Date
Alexey Bataev 655cb4a2d7 [OPENMP]Add support for analysis of if clauses.
Summary:
Added support for analysis of if clauses in the OpenMP directives to be
able to check for the use of uninitialized variables.

Reviewers: NoQ

Subscribers: guansong, jfb, jdoerfert, caomhin, kkwli0, cfe-commits

Tags: clang

Differential Revision: https://reviews.llvm.org/D64646

llvm-svn: 366211
2019-07-16 14:51:46 +00:00
Ali Tamur e7e8789a63 Revert "[OPENMP]Add support for analysis of if clauses."
This reverts commit rL366068.
The patch broke 86 tests under clang/test/OpenMP/ when run with address sanitizer.

llvm-svn: 366169
2019-07-16 03:20:15 +00:00
Alexey Bataev 63d00b19e5 [OPENMP]Add support for analysis of if clauses.
Summary:
Added support for analysis of if clauses in the OpenMP directives to be
able to check for the use of uninitialized variables.

Reviewers: NoQ

Subscribers: guansong, jfb, jdoerfert, caomhin, kkwli0, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D64646

llvm-svn: 366068
2019-07-15 14:46:23 +00:00
Alexey Bataev a914888b49 [OPENMP]Add -Wunintialized to the erroneous tests for future fix PR42392,
NFC.

llvm-svn: 365334
2019-07-08 15:45:24 +00:00
Alexey Bataev a8a9153a37 [OPENMP] Support for -fopenmp-simd option with compilation of simd loops
only.

Added support for -fopenmp-simd option that allows compilation of
simd-based constructs without emission of OpenMP runtime calls.

llvm-svn: 321560
2017-12-29 18:07:07 +00:00
Alexey Bataev 2a6de8c321 [OPENMP] Fix for PR31428: variable named like directive name modifier
Directive name modifiers in 'if' clause are allowed only for OpenMP 4.5
and higher + in OpenMP 4.5 parsing procedure emits error message if ':'
is not found after directive name modifier.

llvm-svn: 290175
2016-12-20 12:10:05 +00:00
Arpith Chacko Jacob 3d58f26929 [OpenMP] Prevent nesting of target constructs within target code execution regions.
Summary:
This patch enhances Sema to check for the following restriction:

OpenMP 4.5 [2.17 Nesting of Regions]
If a target, target update, target data, target enter data, or
target exit data construct is encountered during execution of a
target region, the behavior is unspecified.

Reviewers: ABataev

Differential Revision: http://reviews.llvm.org/D16758

llvm-svn: 259464
2016-02-02 04:00:47 +00:00
Arpith Chacko Jacob d8da15f8a9 Undoing commit r259366 to debug buildbot failure.
> http://reviews.llvm.org/D16758

llvm-svn: 259418
2016-02-01 22:02:05 +00:00
Arpith Chacko Jacob f1958627d9 [OpenMP] Prevent nesting of target constructs within target code execution regions.
Summary:
This patch enhances Sema to check for the following restriction:

OpenMP 4.5 [2.17 Nesting of Regions]
If a target, target update, target data, target enter data, or
target exit data construct is encountered during execution of a
target region, the behavior is unspecified.

Reviewers: ABataev

Differential Revision: http://reviews.llvm.org/D16758

llvm-svn: 259366
2016-02-01 16:32:47 +00:00
Alexey Bataev ecb156aba2 [OPENMP] Emit an additional note during analysis of 'if' clause.
Patch adds emission of additional note for 'if' clauses with name modifiers in case if 'if' clause without name modified was specified or 'if' clause with the same name modifier was specified.

llvm-svn: 247706
2015-09-15 17:23:56 +00:00
Alexey Bataev 6b8046addf [OPENMP 4.1] Parsing/sema analysis for extended format of 'if' clause.
OpenMP 4.1 added special 'directive-name-modifier' to the 'if' clause.
Format of 'if' clause is as follows:
```
if([ directive-name-modifier :] scalar-logical-expression)
```

The restriction rules are also changed.
1. If any 'if' clause on the directive includes a 'directive-name-modifier' then all 'if' clauses on the directive must include a 'directive-name-modifier'.
2. At most one 'if' clause without a 'directive-name-modifier' can appear on the directive.
3. At most one 'if' clause with some particular 'directive-name-modifier' can appear on the directive.

'directive-name-modifier' is important for combined directives and allows to separate conditions in 'if' clause for simple sub-directives in combined directive. This 'directive-name-modifier' identifies the sub-directive to which this 'if' clause must be applied.

llvm-svn: 246747
2015-09-03 07:23:48 +00:00
Alexey Bataev db39021cee [OPENMP] -fopenmp enables OpenMP support (fix for http://llvm.org/PR23492)
-fopenmp turns on OpenMP support and links libiomp5 as OpenMP library. Also there is -fopenmp={libiomp5|libgomp} option that allows to override effect of -fopenmp and link libgomp library (if -fopenmp=libgomp is specified).
Differential Revision: http://reviews.llvm.org/D9736

llvm-svn: 237769
2015-05-20 04:24:19 +00:00
Alexey Bataev 0bd520b767 [OPENMP] Initial parsing/sema analysis of 'target' directive.
llvm-svn: 218110
2014-09-19 08:19:49 +00:00