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Author SHA1 Message Date
Fangrui Song dbc96b518b Revert "[CodeGenModule] Assume dso_local for -fpic -fno-semantic-interposition" 
This reverts commit 789a46f2d7.

Accidentally committed.
 2020-02-03 10:09:39 -08:00
Fangrui Song 789a46f2d7 [CodeGenModule] Assume dso_local for -fpic -fno-semantic-interposition 
Summary:
Clang -fpic defaults to -fno-semantic-interposition (GCC -fpic defaults
to -fsemantic-interposition).
Users need to specify -fsemantic-interposition to get semantic
interposition behavior.

Semantic interposition is currently a best-effort feature. There may
still be some cases where it is not handled well.

Reviewers: peter.smith, rnk, serge-sans-paille, sfertile, jfb, jdoerfert

Subscribers: dschuff, jyknight, dylanmckay, nemanjai, jvesely, kbarton, fedor.sergeev, asb, rbar, johnrusso, simoncook, sabuasal, niosHD, jrtc27, zzheng, edward-jones, atanasyan, rogfer01, MartinMosbeck, brucehoult, the_o, arphaman, PkmX, jocewei, jsji, Jim, lenary, s.egerton, pzheng, sameer.abuasal, apazos, luismarques, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D73865
 2020-02-03 09:52:48 -08:00
Joel E. Denny 72c2783012 [FileCheck] Add -allow-deprecated-dag-overlap to failing clang tests 
See https://reviews.llvm.org/D47106 for details.

Reviewed By: probinson

Differential Revision: https://reviews.llvm.org/D47172

llvm-svn: 336844
 2018-07-11 20:26:20 +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 8cf35e4683 [OPENMP] Do not capture private variables in the target regions. 
Private variables are completely redefined in the outlined regions, so
we don't need to capture them. Patch adds this behavior to the
target-based regions.

llvm-svn: 320078
 2017-12-07 19:49:28 +00:00
Alexey Bataev c2e88a8a6b [OPENMP] Fix PR35486: crash when collapsing loops with dependent iteration spaces. 
Though it is incorrect from point of view of OpenMP standard to have
dependent iteration space in OpenMP loops, compiler should not crash.
Patch fixes this problem.

llvm-svn: 319700
 2017-12-04 21:30:42 +00:00
Alexey Bataev 50a1c7860f [OPENMP] Emit `__tgt_target_teams` for all teams directives. 
Previously we emitted `__tgt_target_teams` only for standalone teams
directives. This patch allows emit this function for all teams-based
directives.

llvm-svn: 319585
 2017-12-01 21:31:08 +00:00
George Rokos 63bc9d6f66 [Clang][OpenMP] New clang/libomptarget map interface: new function signatures, clang-side 
This clang patch changes the __tgt_* API function signatures in preparation for the new map interface.
Changes are: Device IDs 32bits --> 64bits, Flags 32bits --> 64bits

Differential revision: https://reviews.llvm.org/D40281

llvm-svn: 318789
 2017-11-21 18:25:12 +00:00
Alexey Bataev cab496d3a9 [OPENMP] Capture references to global variables. 
In C++11 variable to global variables are considered as constant
expressions and these variables are not captured in the outlined
regions. Patch allows capturing of such variables in the OpenMP regions.

llvm-svn: 315074
 2017-10-06 16:17:25 +00:00
Carlo Bertolli ba1487ba69 [OpenMP] Initial implementation of teams distribute code generation 
https://reviews.llvm.org/D38371

This patch implements codegen for the combined 'teams distribute" OpenMP pragma and adds regression tests for all its clauses.

llvm-svn: 314905
 2017-10-04 14:12:09 +00:00