Commit Graph

256 Commits

Author SHA1 Message Date
Faisal Vali dc6b596ebb [Cxx1z] Implement Lambda Capture of *this by Value as [=,*this] (P0018R3)
Implement lambda capture of *this by copy.
For e.g.:
struct A {

  int d = 10;
  auto foo() { return [*this] (auto a) mutable { d+=a; return d; }; }

};

auto L = A{}.foo(); // A{}'s lifetime is gone.

// Below is still ok, because *this was captured by value.
assert(L(10) == 20);
assert(L(100) == 120);

If the capture was implicit, or [this] (i.e. *this was captured by reference), this code would be otherwise undefined.

Implementation Strategy:
  - amend the parser to accept *this in the lambda introducer
  - add a new king of capture LCK_StarThis
  - teach Sema::CheckCXXThisCapture to handle by copy captures of the
    enclosing object (i.e. *this)
  - when CheckCXXThisCapture does capture by copy, the corresponding 
    initializer expression for the closure's data member 
    direct-initializes it thus making a copy of '*this'.
  - in codegen, when assigning to CXXThisValue, if *this was captured by 
    copy, make sure it points to the corresponding field member, and
    not, unlike when captured by reference, what the field member points
    to.
  - mark feature as implemented in svn

Much gratitude to Richard Smith for his carefully illuminating reviews!   

llvm-svn: 263921
2016-03-21 09:25:37 +00:00
Alexey Bataev 78849fb464 [OPENMP 4.5] Codegen for data members in 'linear' clause.
OpenMP 4.5 allows to use data members in private clauses. Patch adds
codegen support for 'linear' clause.

llvm-svn: 263002
2016-03-09 09:49:00 +00:00
Alexey Bataev 37e594c799 [OPENMP] Simplify handling of clauses with postupdates, NFC.
Clauses with post-update expressions always have pre-init statement. So
OMPClauseWithPreInit now is the base for OMPClauseWithPostUpdate.

llvm-svn: 262696
2016-03-04 07:21:16 +00:00
Alexey Bataev 61205070c4 [OPENMP 4.5] Codegen for data members in 'reduction' clause.
OpenMP 4.5 allows to privatize non-static data members of current class
in non-static member functions. Patch supports codegen for non-static
data members in 'reduction' clauses.

llvm-svn: 262460
2016-03-02 04:57:40 +00:00
Alexey Bataev 005248ac8a [OPENMP 4.5] Codegen for member decls in 'lastprivate' clause.
OpenMP 4.5 allows to privatize non-static member decls in non-static
member functions. Patch captures such decls by reference in general (for
bitfields, by value) and then operates with this capture. For bitfields,
at the end of codegen for lastprivates original bitfield is updated with the value of captured copy.

llvm-svn: 261824
2016-02-25 05:25:57 +00:00
Alexey Bataev 417089fc7e [OPENMP 4.5] Codegen support for data members in 'firstprivate' clause.
Added codegen for captured data members in non-static member functions.

llvm-svn: 261089
2016-02-17 13:19:37 +00:00
Alexey Bataev 3392d76081 [OPENMP] Improved handling of pseudo-captured expressions in OpenMP.
Expressions inside 'schedule'|'dist_schedule' clause must be captured in
combined directives to avoid possible crash during codegen. Patch
improves handling of such constructs

llvm-svn: 260954
2016-02-16 11:18:12 +00:00
Arpith Chacko Jacob 05bebb578a [OpenMP] Parsing + sema for target parallel for directive.
Summary:
This patch adds parsing + sema for the target parallel for directive along with testcases.

Reviewers: ABataev

Differential Revision: http://reviews.llvm.org/D16759

llvm-svn: 259654
2016-02-03 15:46:42 +00:00
Arpith Chacko Jacob e955b3d3fe [OpenMP] Parsing + sema for target parallel directive.
Summary:
This patch adds parsing + sema for the target parallel directive and its clauses along with testcases.

Reviewers: ABataev

Differential Revision: http://reviews.llvm.org/D16553

Rebased to current trunk and updated test cases.

llvm-svn: 258832
2016-01-26 18:48:41 +00:00
Arpith Chacko Jacob 3cf89040b0 [OpenMP] Parsing + sema for defaultmap clause.
Summary:
This patch adds parsing + sema for the defaultmap clause associated with the target directive (among others).

Reviewers: ABataev

Differential Revision: http://reviews.llvm.org/D16527

llvm-svn: 258817
2016-01-26 16:37:23 +00:00
Samuel Antao 7259076032 [OpenMP] Parsing + sema for "target exit data" directive.
Patch by Arpith Jacob. Thanks!

llvm-svn: 258177
2016-01-19 20:04:50 +00:00
Samuel Antao df67fc468e [OpenMP] Parsing + sema for "target enter data" directive.
Patch by Arpith Jacob. Thanks!

llvm-svn: 258165
2016-01-19 19:15:56 +00:00
Carlo Bertolli b4adf55e0f Add OpenMP dist_schedule clause to distribute directive and related regression tests.
llvm-svn: 257917
2016-01-15 18:50:31 +00:00
James Y Knight 7281c357b1 [TrailingObjects] Convert OffsetOfExpr.
That necessitated moving the OffsetOfNode class out of OffsetOfExpr.

llvm-svn: 256590
2015-12-29 22:31:18 +00:00
James Y Knight 04ec5bfad8 [TrailingObjects] Convert ASTTemplateKWAndArgsInfo and ASTTemplateArgumentListInfo.
Doing so required separating them so that the former doesn't inherit
from the latter anymore. Investigating that, it became clear that the
inheritance wasn't actually providing real value in any case.

So also:
- Remove a bunch of redundant functions (getExplicitTemplateArgs,
  getOptionalExplicitTemplateArgs) on various Expr subclasses which
  depended on the inheritance relationship.
- Switched external callers to use pre-existing accessors that return the
  data they're actually interested in (getTemplateArgs,
  getNumTemplateArgs, etc).
- Switched internal callers to use pre-existing getTemplateKWAndArgsInfo.

llvm-svn: 256359
2015-12-24 02:59:37 +00:00
Alexey Bataev 28c75417b2 [OPENMP 4.5] Parsing/sema for 'hint' clause of 'critical' directive.
OpenMP 4.5 adds 'hint' clause to critical directive. Patch adds parsing/semantic analysis for this clause.

llvm-svn: 255625
2015-12-15 08:19:24 +00:00
Carlo Bertolli 6200a3d0f3 Add parse and sema of OpenMP distribute directive with all clauses except dist_schedule
llvm-svn: 255498
2015-12-14 14:51:25 +00:00
NAKAMURA Takumi aa13f94456 Reformat linefeeds.
llvm-svn: 255098
2015-12-09 07:52:46 +00:00
NAKAMURA Takumi 2d5c6ddf74 Revert r255001, "Add parse and sema for OpenMP distribute directive and all its clauses excluding dist_schedule."
It causes memory leak. Some tests in test/OpenMP would fail.

llvm-svn: 255094
2015-12-09 04:35:57 +00:00
Alexey Bataev 382967a2e4 [OPENMP 4.5] Parsing/sema for 'num_tasks' clause.
OpenMP 4.5 adds directives 'taskloop' and 'taskloop simd'. These directives support clause 'num_tasks'. Patch adds parsing/semantic analysis for this clause.

llvm-svn: 255008
2015-12-08 12:06:20 +00:00
Carlo Bertolli b9bfa75b28 Add parse and sema for OpenMP distribute directive and all its clauses excluding dist_schedule.
llvm-svn: 255001
2015-12-08 04:21:03 +00:00
Alexey Bataev 1fd4aed26b [OPENMP 4.5] parsing/sema support for 'grainsize' clause.
OpenMP 4.5 adds 'taksloop' and 'taskloop simd' directives, which have 'grainsize' clause. Patch adds parsing/sema analysis of this clause.

llvm-svn: 254903
2015-12-07 12:52:51 +00:00
Alexey Bataev b825de17b7 [OPENMP 4.5] parsing/sema support for 'nogroup' clause.
OpenMP 4.5 adds 'taskloop' and 'taskloop simd' directives. These directives have new 'nogroup' clause. Patch adds basic parsing/sema support for this clause.

llvm-svn: 254899
2015-12-07 10:51:44 +00:00
Alexey Bataev 0a6ed84a0d [OPENMP 4.5] Parsing/sema support for 'omp taskloop simd' directive.
OpenMP 4.5 adds directive 'taskloop simd'. Patch adds parsing/sema analysis for 'taskloop simd' directive and its clauses.

llvm-svn: 254597
2015-12-03 09:40:15 +00:00
Alexey Bataev a056935a2f [OPENMP 4.5] Parsing/sema analysis for 'priority' clause.
OpenMP 4.5 defines new clause 'priority' for 'task', 'taskloop' and 'taskloop simd' directives. Added parsing and sema analysis for 'priority' clause in 'task' and 'taskloop' directives.

llvm-svn: 254398
2015-12-01 10:17:31 +00:00
Alexey Bataev 49f6e78d71 [OPENMP 4.5] Parsing/sema analysis for 'taskloop' directive.
Adds initial parsing and semantic analysis for 'taskloop' directive.

llvm-svn: 254367
2015-12-01 04:18:41 +00:00
Kelvin Li a15fb1a110 [OpenMP] Parsing and sema support for thread_limit clause.
http://reviews.llvm.org/D15029

llvm-svn: 254207
2015-11-27 18:47:36 +00:00
Alexey Bataev f763027f04 [MSVC] 'property' with an empty array in array subscript expression.
MSVC supports 'property' attribute and allows to apply it to the declaration of an empty array in a class or structure definition.
For example:
```
__declspec(property(get=GetX, put=PutX)) int x[];
```
The above statement indicates that x[] can be used with one or more array indices. In this case, i=p->x[a][b] will be turned into i=p->GetX(a, b), and p->x[a][b] = i will be turned into p->PutX(a, b, i);
Differential Revision: http://reviews.llvm.org/D13336

llvm-svn: 254067
2015-11-25 12:01:00 +00:00
Kelvin Li 099bb8c65d [OpenMP] Parsing and sema support for num_teams clause
http://reviews.llvm.org/D14802

llvm-svn: 254019
2015-11-24 20:50:12 +00:00
Kelvin Li 0bff7afab5 [OpenMP] Parsing and sema support for map clause
http://reviews.llvm.org/D14134 

llvm-svn: 253849
2015-11-23 05:32:03 +00:00
Richard Smith 9f690bd80b [coroutines] Creation of promise object, lookup of operator co_await, building
of await_* calls, and AST representation for same.

llvm-svn: 251387
2015-10-27 06:02:45 +00:00
Richard Smith 9be594e36d [coroutines] Add overloaded unary 'operator co_await'.
llvm-svn: 250991
2015-10-22 05:12:22 +00:00
Alexey Bataev f24e7b1f60 [OPENMP 4.1] Codegen for array sections/subscripts in 'reduction' clause.
OpenMP 4.1 adds support for array sections/subscripts in 'reduction' clause. Patch adds codegen for this feature.

llvm-svn: 249672
2015-10-08 09:10:53 +00:00
Alexey Bataev d14d1e6f25 [OPENMP 4.1] Add 'simd' clause for 'ordered' directive.
Parsing and sema analysis for 'simd' clause in 'ordered' directive.
Description
If the simd clause is specified, the ordered regions encountered by any thread will use only a single SIMD lane to execute the ordered
regions in the order of the loop iterations.
Restrictions
An ordered construct with the simd clause is the only OpenMP construct that can appear in the simd region

llvm-svn: 248696
2015-09-28 06:39:35 +00:00
Alexey Bataev 346265e3bc [OPENMP 4.1] Add 'threads' clause for '#pragma omp ordered'.
OpenMP 4.1 extends format of '#pragma omp ordered'. It adds 3 additional clauses: 'threads', 'simd' and 'depend'.
If no clause is specified, the ordered construct behaves as if the threads clause had been specified. If the threads clause is specified, the threads in the team executing the loop region execute ordered regions sequentially in the order of the loop iterations.
The loop region to which an ordered region without any clause or with a threads clause binds must have an ordered clause without the parameter specified on the corresponding loop directive.

llvm-svn: 248569
2015-09-25 10:37:12 +00:00
Richard Smith d784e6893c PR14858: Initial support for proper sizeof... handling within alias templates.
This doesn't quite get alias template equivalence right yet, but handles the
egregious cases where we would silently give the wrong answers.

llvm-svn: 248431
2015-09-23 21:41:42 +00:00
Alexey Bataev 1a3320e463 [OPENMP 4.0] Initial support for array sections.
Adds parsing/sema analysis/serialization/deserialization for array sections in OpenMP constructs (introduced in OpenMP 4.0).
Currently it is allowed to use array sections only in OpenMP clauses that accepts list of expressions.
Differential Revision: http://reviews.llvm.org/D10732

llvm-svn: 245937
2015-08-25 14:24:04 +00:00
Alexey Bataev 66b15b505f [OPENMP 4.1] Initial support for 'simdlen' clause.
Add parsing/sema analysis for 'simdlen' clause in simd directives. Also add check that if both 'safelen' and 'simdlen' clauses are specified, the value of 'simdlen' parameter is less than the value of 'safelen' parameter.

llvm-svn: 245692
2015-08-21 11:14:16 +00:00
Alexey Bataev bd9fec1eaa [OPENMP 4.1] Allow variables with reference types in private clauses.
OpenMP 4.1 allows to use variables with reference types in all private clauses (private, firstprivate, lastprivate, linear etc.). Patch allows to use such variables and fixes codegen for linear variables with reference types.

llvm-svn: 245268
2015-08-18 06:47:21 +00:00
Michael Wong e710d5459e This patch commits OpenMP 4 target device clauses
This is committed on behalf of Kelvin Li
http://reviews.llvm.org/D11469?id=31227

llvm-svn: 244325
2015-08-07 16:16:36 +00:00
Alexey Bataev 10e775f4a8 [OPENMP 4.1] Initial support for extended 'ordered' clause.
OpenMP 4.1 introduces optional argument '(n)' for 'ordered' clause, where 'n' is a number of loops that immediately follow the directive.
'n' must be constant positive integer expressions and it must be less or equal than the number of the loops in the resulting loop nest.
Patch adds parsing and semantic analysis for this optional argument.

llvm-svn: 243635
2015-07-30 11:36:16 +00:00
Michael Wong 65f367fcbb Commit for http://reviews.llvm.org/D10765
for OpenMP 4 target data directive parsing and sema.
This commit is on behalf of Kelvin Li.

llvm-svn: 242785
2015-07-21 13:44:28 +00:00
Benjamin Kramer 642f173ae9 Switch users of the 'for (StmtRange range = stmt->children(); range; ++range)‘ pattern to range for loops.
The pattern was born out of the lack of range-based for loops in C++98
and is somewhat obscure. No functionality change intended.

llvm-svn: 241300
2015-07-02 21:03:14 +00:00
Alexey Bataev 80909878ad [OPENMP 4.0] Initial support for 'omp cancel' construct.
Implemented parsing/sema analysis + (de)serialization.

llvm-svn: 241253
2015-07-02 11:25:17 +00:00
Alexey Bataev 6d4ed05830 [OPENMP 4.0] Initial support for 'omp cancellation point' construct.
Add parsing and sema analysis for 'omp cancellation point' directive.

llvm-svn: 241145
2015-07-01 06:57:41 +00:00
Alexey Bataev 1c2cfbc3ea [OPENMP] Initial support for 'depend' clause (4.0).
Parsing and sema analysis (without support for array sections in arguments) for 'depend' clause (used in 'task' directive, OpenMP 4.0).

llvm-svn: 240409
2015-06-23 14:25:19 +00:00
Alexander Kornienko ab9db51042 Revert r240270 ("Fixed/added namespace ending comments using clang-tidy").
llvm-svn: 240353
2015-06-22 23:07:51 +00:00
Alexander Kornienko 3d9d929e42 Fixed/added namespace ending comments using clang-tidy. NFC
The patch is generated using this command:

  $ tools/extra/clang-tidy/tool/run-clang-tidy.py -fix \
      -checks=-*,llvm-namespace-comment -header-filter='llvm/.*|clang/.*' \
      work/llvm/tools/clang

To reduce churn, not touching namespaces spanning less than 10 lines.

llvm-svn: 240270
2015-06-22 09:47:44 +00:00
Alexey Bataev c30dd2daf9 [OPENMP] Support for '#pragma omp taskgroup' directive.
Added parsing, sema analysis and codegen for '#pragma omp taskgroup' directive (OpenMP 4.0).
The code for directive is generated the following way:
#pragma omp taskgroup
<body>

void __kmpc_taskgroup(<loc>, thread_id);
<body>
void __kmpc_end_taskgroup(<loc>, thread_id);

llvm-svn: 240011
2015-06-18 12:14:09 +00:00
Yunzhong Gao cb77930d6b Implementing C99 partial re-initialization behavior (DR-253)
Based on previous discussion on the mailing list, clang currently lacks support
for C99 partial re-initialization behavior:
Reference: http://lists.cs.uiuc.edu/pipermail/cfe-dev/2013-April/029188.html
Reference: http://www.open-std.org/jtc1/sc22/wg14/www/docs/dr_253.htm

This patch attempts to fix this problem.

Given the following code snippet,

struct P1 { char x[6]; };
struct LP1 { struct P1 p1; };

struct LP1 l = { .p1 = { "foo" }, .p1.x[2] = 'x' };
// this example is adapted from the example for "struct fred x[]" in DR-253;
// currently clang produces in l: { "\0\0x" },
//   whereas gcc 4.8 produces { "fox" };
// with this fix, clang will also produce: { "fox" };


Differential Review: http://reviews.llvm.org/D5789

llvm-svn: 239446
2015-06-10 00:27:52 +00:00