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9 Commits

Author SHA1 Message Date
Alexey Bataev
8026394d3c [OPENMP]Consider 'omp_null_allocator' as a predefined allocator. 
Summary:
omp.h header file defines omp_null_allocator as a predefined allocator,
need to consider it also as a predefined allocator.

Reviewers: jdoerfert

Subscribers: jholewinski, yaxunl, guansong, cfe-commits, caomhin

Tags: #clang

Differential Revision: https://reviews.llvm.org/D79186
 2020-05-07 10:11:06 -04:00
Alexey Bataev
e9bfa1dd38 [OPENMP]Use new interface for task reduction. 
Summary:
Patch forces codegen to use the new runtime functions for task reductions where
the issue with passing the address of the original variables to the UDR
initializers is fixed. Also, this patch is required for upcoming
support of task modifier inreduction clause.

Reviewers: jdoerfert

Subscribers: yaxunl, guansong, cfe-commits, caomhin

Tags: #clang

Differential Revision: https://reviews.llvm.org/D78733
 2020-04-24 09:41:48 -04:00
Alexey Bataev
0fca766458 [OPENMP50]Fix PR45117: Orphaned task reduction should be allowed. 
Add support for orpahned task reductions.
 2020-03-27 17:47:30 -04:00
Alexey Bataev
b3998a0edb [OPENMP]Fix PR45047: Do not copy firstprivates in tasks twice. 
Avoid copying of the orignal variable if it is going to be marked as
firstprivate in task regions. For taskloops, still need to copy the
non-trvially copyable variables to correctly construct them upon task
creation.
 2020-03-13 18:04:16 -04:00
Alexey Bataev
f5daa97045 [OPENMP]Add codegen for task reduction vars with allocate clause, NFC. 
Added test for the task reduction variables with the allocate clause.

llvm-svn: 357717
 2019-04-04 18:58:17 +00:00
Alexey Bataev
a4fa0b880a [OPENMP] General code improvements. 
llvm-svn: 330140
 2018-04-16 17:59:34 +00:00
Alexey Bataev
2e0cbe5092 [OPENMP] Emit sizes/init ptrs etc. data for task reductions before 
using.

We may emit the code in wrong order because of incorrect implementation
of the runtime functions for task reductions. Threadprivate storages may
be initialized after real initialization of the reduction items. Patch
fixes this problem.

llvm-svn: 327008
 2018-03-08 15:24:08 +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
88202be1f0 [OPENMP] Codegen for 'in_reduction' clause. 
Added codegen for task-based directive with in_reduction clause.
```
<body>
```
The next code is emitted:
```
void *td;
...
td = call i8* @__kmpc_task_reduction_init();
...
<type> *priv = (<type> *)call i8* @__kmpc_task_reduction_get_th_data(i32
GTID, i8* td, i8* <orig>)
```

llvm-svn: 309270
 2017-07-27 13:20:36 +00:00