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NFC.
llvm-svn: 365334
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only.
Added support for -fopenmp-simd option that allows compilation of
simd-based constructs without emission of OpenMP runtime calls.
llvm-svn: 321560
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This reverts commit http://reviews.llvm.org/rL265003. After some
thoughts decided to emit errors here.
llvm-svn: 265119
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Compatibility fix for better compatibility with the existing software.
llvm-svn: 265003
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For parameters we shall take a derived type of parameters, not the original one.
llvm-svn: 237882
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-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
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Currently runtime does not allow to support variably modified types for 'private' and 'firstprivate' clauses in 'task' directives.
llvm-svn: 237674
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Runtime does not allow to work with VLAs in copyprivate clause.
llvm-svn: 237672
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Added proper analysis for types of function arguments.
llvm-svn: 237670
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only.
Currently checks for active data-sharing attributes for variables are performed for found var decls. Instead these checks must be performed for canonical decls of these variables to avoid possible troubles with with the differently qualified re-declarations of the same variable, for example:
namespace A { int x; }
namespace B { using A::x; }
Both A::x and B::x actually reference the same object A::x and this fact must be taken into account during data-sharing attributes analysis.
llvm-svn: 235096
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If there is at least one 'copyprivate' clause is associated with the single directive, the following code is generated:
```
i32 did_it = 0; \\ for 'copyprivate' clause
if(__kmpc_single(ident_t *, gtid)) {
SingleOpGen();
__kmpc_end_single(ident_t *, gtid);
did_it = 1; \\ for 'copyprivate' clause
}
<copyprivate_list>[0] = &var0;
...
<copyprivate_list>[n] = &varn;
call __kmpc_copyprivate(ident_t *, gtid, <copyprivate_list_size>,
<copyprivate_list>, <copy_func>, did_it);
...
void<copy_func>(void *LHSArg, void *RHSArg) {
Dst = (void * [n])(LHSArg);
Src = (void * [n])(RHSArg);
Dst[0] = Src[0];
... Dst[n] = Src[n];
}
```
All list items from all 'copyprivate' clauses are gathered into single <copyprivate list> (<copyprivate_list_size> is a size in bytes of this list) and <copy_func> is used to propagate values of private or threadprivate variables from the 'single' region to other implicit threads from outer 'parallel' region.
Differential Revision: http://reviews.llvm.org/D8410
llvm-svn: 232932
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This patch allows to use predetermined shared variables in private clauses in
parallel or tasks regions.
llvm-svn: 226549
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The copyprivate clause must not be used with the nowait clause in single
directive.
llvm-svn: 226429
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be private.
llvm-svn: 213835
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llvm-svn: 211886
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