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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 366f4d45c0 [OPENMP]Allow allocate directive on parameters. 
Patch allows to use allocate directives on the function parameters.

llvm-svn: 358016
 2019-04-09 16:31:37 +00:00
Alexey Bataev 6cf7b715a0 [OPENMP] Sync __kmpc_alloc/_kmpc_free function with the runtime. 
Functions __kmpc_alloc/__kmpc_free are updated with the new interfaces.
Patch synchronizes the compiler with the runtime.

llvm-svn: 357933
 2019-04-08 19:06:42 +00:00
Alexey Bataev 084b0c2f03 [OPENMP] Simplify codegen for allocate directive on local variables. 
Simplified codegen for the allocate directive for local variables,
initial implementation of the codegen for NVPTX target.

llvm-svn: 356710
 2019-03-21 20:36:16 +00:00
Alexey Bataev 282555ad82 [OPENMP]Warn if the different allocator is used for the variable. 
If the allocator was specified for the variable and next one is found
with the different allocator, the warning is emitted, and the allocator
is ignored.

llvm-svn: 356513
 2019-03-19 20:33:44 +00:00
Alexey Bataev 4f680db257 [OPENMP] Codegen for local variables with the allocate pragma. 
Added initial codegen for the local variables with the #pragma omp
allocate directive. Instead of allocating the variables on the stack,
__kmpc_alloc|__kmpc_free functions are used for memory (de-)allocation.

llvm-svn: 356472
 2019-03-19 16:41:16 +00:00