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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
Alexey Bataev 06e80f6426 [OPENMP]Simplify codegen for the outlined regions. 
Simplified codegen for the outlined regions, excluding duplication code
for handling variables with the reference types.

llvm-svn: 361529
 2019-05-23 18:19:54 +00:00
Alexey Bataev 5c4273620d [OPENMP]Improve detection of number of teams, threads in target 
regions.

Added more complex analysis for number of teams and number of threads in
the target regions, also merged related common code between CGOpenMPRuntime
and CGOpenMPRuntimeNVPTX classes.

llvm-svn: 358126
 2019-04-10 19:11:33 +00:00
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
Joel E. Denny 96fde08f3b [OPENMP] Fix test typos: CHECK-DAG-N -> CHECK-N-DAG 
Reviewed by: ABataev

Differential Revision: https://reviews.llvm.org/D46370

llvm-svn: 331469
 2018-05-03 17:22:04 +00:00
Joel E. Denny d110fe4a7e Revert r331466: [OPENMP] Fix test typos: CHECK-DAG-N -> CHECK-N-DAG" 
Sorry, forgot to add commit log attributes.

llvm-svn: 331468
 2018-05-03 17:22:01 +00:00
Joel E. Denny 3c14663740 [OPENMP] Fix test typos: CHECK-DAG-N -> CHECK-N-DAG 
llvm-svn: 331466
 2018-05-03 17:15:44 +00:00
Daniel Neilson 6e938effaa Change memcpy/memove/memset to have dest and source alignment attributes (Step 1). 
Summary:
  Upstream LLVM is changing the the prototypes of the @llvm.memcpy/memmove/memset
intrinsics. This change updates the Clang tests for this change.

  The @llvm.memcpy/memmove/memset intrinsics currently have an explicit argument
which is required to be a constant integer. It represents the alignment of the
dest (and source), and so must be the minimum of the actual alignment of the
two.

 This change removes the alignment argument in favour of placing the alignment
attribute on the source and destination pointers of the memory intrinsic call.

 For example, code which used to read:
   call void @llvm.memcpy.p0i8.p0i8.i32(i8* %dest, i8* %src, i32 100, i32 4, i1 false)
will now read
   call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 %dest, i8* align 4 %src, i32 100, i1 false)

 At this time the source and destination alignments must be the same (Step 1).
Step 2 of the change, to be landed shortly, will relax that contraint and allow
the source and destination to have different alignments.

llvm-svn: 322964
 2018-01-19 17:12:54 +00:00
Alexey Bataev 475a7440f1 [OPENMP] Replace calls of getAssociatedStmt(). 
getAssociatedStmt() returns the outermost captured statement for the
OpenMP directive. It may return incorrect region in case of combined
constructs. Reworked the code to reduce the number of calls of
getAssociatedStmt() and used getInnermostCapturedStmt() and
getCapturedStmt() functions instead.
In case of firstprivate variables it may lead to an extra allocas
generation for private copies even if the variable is passed by value
into outlined function and could be used directly as private copy.

llvm-svn: 322393
 2018-01-12 19:39:11 +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 fbe17fb8a5 [OPENMP] Initial codegen for `target teams distribute simd` directive. 
Host + generic device codegen for `target teams distribute simd`
directive.

llvm-svn: 320608
 2017-12-13 19:45:06 +00:00