Commit Graph

828 Commits

Author SHA1 Message Date
Alexey Bataev aee9389b04 [OPENMP] Fix debug info for outlined functions in NVPTX + add more tests.
Fixed name of emitted outlined functions in NVPTX target + extra tests
for the debug info.

llvm-svn: 322022
2018-01-08 20:09:47 +00:00
Alexey Bataev fd9b2affc3 [OPENMP] Fix capturing of expressions in clauses.
Patch fixes incorrect capturing of the expressions in clauses with
expressions that must be captured for the combined constructs. Incorrect
capturing may lead to compiler crash during codegen phase.

llvm-svn: 321820
2018-01-04 20:50:08 +00:00
Alexey Bataev b2575930b3 [OPENMP] Fix casting in NVPTX support library.
If the reduction required shuffle in the NVPTX codegen, we may need to
cast the reduced value to the integer type. This casting was implemented
incorrectly and may cause compiler crash. Patch fixes this problem.

llvm-svn: 321818
2018-01-04 20:18:55 +00:00
Alexey Bataev 7cae94e74c [OPENMP] Add debug info for generated functions.
Most of the generated functions for the OpenMP were generated with
disabled debug info. Patch fixes this for better user experience.

llvm-svn: 321816
2018-01-04 19:45:16 +00:00
Carlo Bertolli 52978c3554 [OpenMP] Initial implementation of code generation for pragma 'target teams distribute parallel for' on host
https://reviews.llvm.org/D41709

This patch includes code generation and testing for offloading when target device is host.

llvm-svn: 321759
2018-01-03 21:12:44 +00:00
Reid Kleckner 06f19a0de0 [WinEH] Allow for multiple terminatepads
Fixes verifier errors with Windows EH and OpenMP, which injects a
terminate scope around parallel blocks.

Fixes PR35778

llvm-svn: 321676
2018-01-02 21:34:16 +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 e927ca74ee [OPENMP] Initial support for `-fopenmp-simd` option.
Added basic support for `-fopenmp-simd` options.

llvm-svn: 321558
2017-12-29 17:36:15 +00:00
Alexey Bataev fab20e4ea4 [OPENMP] Support for `depend` clauses on `target enter|exit data`.
Added codegen for `depend` clauses on `target enter|exit data` directives.

llvm-svn: 321495
2017-12-27 18:49:38 +00:00
Alexey Bataev d2202caeda [OPENMP] Support for `depend` clauses on `target data update`.
Added codegen for `depend` clauses on `target data update` directives.

llvm-svn: 321493
2017-12-27 17:58:32 +00:00
Jonas Hahnfeld fa059ba59e [OpenMP] Further adjustments of nvptx runtime functions
Pass in default value of 1, similar to previous commit r318836.

Differential Revision: https://reviews.llvm.org/D41012

llvm-svn: 321486
2017-12-27 10:39:56 +00:00
Alexey Bataev ca9e57084c [OPENMP] Fix the tests for 32bits targets, NFC.
llvm-svn: 321427
2017-12-24 14:18:33 +00:00
Alexey Bataev 8e769ee70b [OPENMP] Captured arguments of the capturable clauses by value.
If the clause is applied to the combined construct and has captured
expression, try to capture this expression by value rather than by
reference.

llvm-svn: 321386
2017-12-22 21:01:52 +00:00
Aaron Ballman 8c20828b5c Re-commit r321223, which adds a printing policy to the ASTDumper.
This allows you to dump C++ code that spells bool instead of _Bool, leaves off the elaborated type specifiers when printing struct or class names, and other C-isms.

Fixes the -Wreorder issue and fixes the ast-dump-color.cpp test.

llvm-svn: 321310
2017-12-21 21:42:42 +00:00
Aaron Ballman 9d6501f6cd Reverting r321223 and its follow-up commit because of failing bots due to Misc/ast-dump-color.cpp.
llvm-svn: 321229
2017-12-20 23:17:29 +00:00
Aaron Ballman 207ee3d0a7 Add a printing policy to the ASTDumper.
This allows you to dump C++ code that spells bool instead of _Bool, leaves off the elaborated type specifiers when printing struct or class names, and other C-isms.

llvm-svn: 321223
2017-12-20 22:04:54 +00:00
Alexey Bataev b952e639d9 [OPENMP] Codegen `declare simd` for function declarations.
Previously the attributes were emitted only for function definitions.
Patch adds emission of the attributes for function declarations.

llvm-svn: 320826
2017-12-15 16:28:31 +00:00
Alexey Bataev 0cc6b8ec61 [OPENMP] Add codegen for target data constructs with `nowait` clause.
Added codegen for the `nowait` clause in target data constructs.

llvm-svn: 320717
2017-12-14 17:00:17 +00:00
Alexey Bataev a9f77c6df7 [OPENMP] Add codegen for `nowait` clause in target directives.
Added basic codegen for `nowait` clauses in target-based directives.

llvm-svn: 320613
2017-12-13 21:04:20 +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
Alexey Bataev 3f96fe6d44 [OPENMP] Support `reduction` clause on target-based directives.
OpenMP 5.0 added support for `reduction` clause in target-based
directives. Patch adds this support to clang.

llvm-svn: 320596
2017-12-13 17:31:39 +00:00
Alexey Bataev 3f82cfc329 [OPENMP] Fix handling of clauses in clause parsing mode.
The compiler may generate incorrect code if we try to capture the
variable in clause parsing mode.

llvm-svn: 320590
2017-12-13 15:28:44 +00:00
Gheorghe-Teodor Bercea b4c74c6603 [OpenMP] Add function attribute for triggering data sharing.
Summary:
The backend should only emit data sharing code for the cases where it is needed.
A new function attribute is used by Clang to enable data sharing only for the cases where OpenMP semantics require it and there are variables that need to be shared.

Reviewers: hfinkel, Hahnfeld, ABataev, carlo.bertolli, caomhin

Reviewed By: ABataev

Subscribers: cfe-commits, jholewinski

Differential Revision: https://reviews.llvm.org/D41123

llvm-svn: 320527
2017-12-12 21:38:43 +00:00
Kelvin Li 1ce87c7051 [OpenMP] Diagnose function name on the link clause
This patch is to add diagnose when a function name is
specified on the link clause. According to the  OpenMP
spec, only the list items that exclude the function 
name are allowed on the link clause.

Differential Revision: https://reviews.llvm.org/D40968

llvm-svn: 320521
2017-12-12 20:08:12 +00:00
Tim Northover 36bb6d5d46 Switch to gnu++14 as the default dialect.
This is C++14 with conforming GNU extensions.

llvm-svn: 320250
2017-12-09 12:09:54 +00:00
Alexey Bataev e83b3e89e6 [OPENMP] Simplify codegen for loop iteration variables in loop preamble.
Initial patch could cause trouble in the optimized code because of the
incorrectly generated lifetime intrinsics.

llvm-svn: 320191
2017-12-08 20:18:58 +00:00
Alexey Bataev dfa430f694 [OPENMP] Initial codegen for `target teams distribute` directive.
Host + default devices codegen for `target teams distribute` directive.

llvm-svn: 320149
2017-12-08 15:03:50 +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
Jonas Hahnfeld 273d261b8f Fix PR35542: Correct adjusting of private reduction variable
The adjustment is calculated with CreatePtrDiff() which returns
the difference in (base) elements. This is passed to CreateGEP()
so make sure that the GEP base has the correct pointer type:
It needs to be a pointer to the base type, not a pointer to a
constant sized array.

Differential Revision: https://reviews.llvm.org/D40911

llvm-svn: 319931
2017-12-06 19:15:28 +00:00
Alexey Bataev b7304a15cd [OPENMP] Improve error message for mapping union members.
llvm-svn: 319897
2017-12-06 15:04:36 +00:00
Alexey Bataev 999277ad22 [OPENMP] Initial codegen for `teams distribute simd` directive.
Host + default devices codegen for `teams distribute simd` directive.

llvm-svn: 319896
2017-12-06 14:31:09 +00:00
Alexey Bataev b7a9b746b4 [OPENMP] Fix implicit mapping analysis.
Fixed processing of implicitly mapped objects in target-based executable
directives.

llvm-svn: 319814
2017-12-05 19:20:09 +00:00
Alexey Bataev 27041fab7e [OPENMP] Fix assert fail after target implicit map checks.
If the error is generated during analysis of implicitly or explicitly
mapped variables, it may cause compiler crash because of incorrect
analysis.

llvm-svn: 319774
2017-12-05 15:22:49 +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
Carlo Bertolli 56a2aa4ddc [OpenMP] Initial implementation of code generation for pragma 'teams distribute parallel for simd' on host
https://reviews.llvm.org/D40795

This includes regression tests for all associated clauses.

llvm-svn: 319696
2017-12-04 20:57:19 +00:00
Alexey Bataev 617db5f822 [OPENMP] Codegen for `distribute simd` directive.
Initial codegen support for `distribute simd` directive.

llvm-svn: 319661
2017-12-04 15:38:33 +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
Alexey Bataev b358f9922a [OPENMP] Do not allow variables to be first|last-privates in
distribute directives.

OpenMP standard does not allow to mark the variables as firstprivate and lastprivate at the same time in distribute-based directives. Patch fixes this problem.

llvm-svn: 319560
2017-12-01 17:40:15 +00:00
Kelvin Li 59e3d19813 [OpenMP] Diagnose undeclared variables on declare target clause
Clang asserts on undeclared variables on the to or link clause in the declare
target directive. The patch is to properly diagnose the error.

// foo1 and foo2 are not declared
#pragma omp declare target to(foo1)
#pragma omp declare target link(foo2)

Differential Revision: https://reviews.llvm.org/D40588

llvm-svn: 319458
2017-11-30 18:52:06 +00:00
Alexey Bataev ceabd41cf7 [OPENMP] Fix possible assert for target regions with incorrect inner
teams region.

If the inner teams region is not correct, it may cause an assertion when
processing outer target region. Patch fixes this problem.

llvm-svn: 319450
2017-11-30 18:01:54 +00:00
Alexey Bataev 2b86f21ce5 [OPENMP] Allow only loop control variables in distribute simd
directives.

According to the OpenMP standard, only loop control variables can be
used in linear clauses of distribute-based simd directives.

llvm-svn: 319362
2017-11-29 21:31:48 +00:00
Alexey Bataev a1f6fbd9ed [OPENMP] Do not allow `linear` clauses on non-simd distribute
directives.

`linear` clause is not allowed on non-simd distribute-based directives.

llvm-svn: 319332
2017-11-29 18:20:04 +00:00
Alexey Bataev 2ba67045e3 [OPENMP] Generalize capturing of clauses expressions.
The handling and capturing of the non-constant expressions of some of
the capturable clauses in combined directives is generalized.

llvm-svn: 319227
2017-11-28 21:11:44 +00:00
Alexey Bataev 0b49f9e489 [OPENMP] Codegen for `distribute parallel for simd` directive.
Initial codegen for `#pragma omp distribute parallel for simd` directive
and its clauses.

llvm-svn: 319079
2017-11-27 19:38:58 +00:00
Alexey Bataev 10a5431239 [OPENMP] Improve handling of cancel directives in target-based
constructs, NFC.

Improved handling of cancel|cancellation point directives inside
target-based for directives.

llvm-svn: 319046
2017-11-27 16:54:08 +00:00
Alexey Bataev 16e798873e [OPENMP] Add support for cancel constructs in `target teams distribute
parallel for`.

Add support for cancel/cancellation point directives inside `target
teams distribute parallel for` directives.

llvm-svn: 318881
2017-11-22 21:12:03 +00:00
Alexey Bataev dcb4b8fbc1 [OPENMP] Add support for cancel constructs in [teams] distribute
parallel for directives.

Added codegen/sema support for cancel constructs in [teams] distribute
parallel for directives.

llvm-svn: 318872
2017-11-22 20:19:50 +00:00
Alexey Bataev 438388c2ad [OPENMP] Added missed checks for for [simd] based directives.
Added missed checks/analysis for safelen/simdlen clauses + linear clause
in for [simd] based directives.

llvm-svn: 318860
2017-11-22 18:34:02 +00:00
Alexey Bataev b45d43c397 [OPENMP] Do not mark captured variables as artificial in debug info.
Captured variables should not be marked as artificial parameters in
outlined functions in debug info.

llvm-svn: 318843
2017-11-22 16:02:03 +00:00
Jonas Hahnfeld 891c7fb19d [OpenMP] Adjust arguments of nvptx runtime functions
In the future the compiler will analyze whether the OpenMP
runtime needs to be (fully) initialized and avoid that overhead
if possible. The functions already take an argument to transfer
that information to the runtime, so pass in the default value 1.
(This is needed for binary compatibility with libomptarget-nvptx
currently being upstreamed.)

Differential Revision: https://reviews.llvm.org/D40354

llvm-svn: 318836
2017-11-22 14:46:49 +00:00