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the module if declared in an export block.
llvm-svn: 307115
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Slightly improve the diagnostic by including the function name.
llvm-svn: 306827
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PR 27895
Differential Revision: https://reviews.llvm.org/D22057
llvm-svn: 305862
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rather than waiting until it's queried.
Currently this is only applied to local submodule visibility mode, as we don't
yet allocate storage for the owning module in non-local-visibility modules
compilations.
This reinstates r302965, reverted in r303037, with a fix for the reported
crash, which occurred when reparenting a local declaration to be a child of
a hidden imported declaration (specifically during template instantiation).
llvm-svn: 303224
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module immediately
Also revert dependent r302969. This is leading to crashes.
Will provide more details reproduction instructions to Richard.
llvm-svn: 303037
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rather than waiting until it's queried.
Currently this is only applied to local submodule visibility mode, as we don't
yet allocate storage for the owning module in non-local-visibility modules
compilations.
llvm-svn: 302965
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This patch reinstates r299930, reverted in r299956, as a separate diagnostic
option (-Wunused-template).
llvm-svn: 302518
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Add an opt-in warning that fires when 0 is used as a null pointer.
gcc has this warning, and there's some demand for it.
https://reviews.llvm.org/D32914
llvm-svn: 302247
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If some function template is instantiated during handling of OpenMP
code, currently it may cause crash of compiler because of trying of
capturing variables in non-capturing function scopes. Patch fixes this
bug.
llvm-svn: 301416
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This is a recommit of r300539 that was reverted in r300543 due to test failures.
The original commit message is displayed below:
The new '#pragma clang attribute' directive can be used to apply attributes to
multiple declarations. An attribute must satisfy the following conditions to
be supported by the pragma:
- It must have a subject list that's defined in the TableGen file.
- It must be documented.
- It must not be late parsed.
- It must have a GNU/C++11 spelling.
Differential Revision: https://reviews.llvm.org/D30009
llvm-svn: 300556
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Some tests fail on the Windows buildbots. I will have to investigate more.
This commit reverts r300539, r300540 and r300542.
llvm-svn: 300543
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The new '#pragma clang attribute' directive can be used to apply attributes to
multiple declarations. An attribute must satisfy the following conditions to
be supported by the pragma:
- It must have a subject list that's defined in the TableGen file.
- It must be documented.
- It must not be late parsed.
- It must have a GNU/C++11 spelling.
Differential Revision: https://reviews.llvm.org/D30009
llvm-svn: 300539
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template declarations."
We need to address cases (breaking libc++) such as
template <class _Up> static int __test(...);
template<typename _Tp>
auto v = __test<_Tp>(0);
llvm-svn: 299956
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Reviewed by Richard Smith (D29877)!
llvm-svn: 299930
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- also replace direct equality checks against the ConstantEvaluated enumerator with isConstantEvaluted(), in anticipation of adding finer granularity to the various ConstantEvaluated contexts and reinstating certain restrictions on where lambda expressions can occur in C++17.
- update the clang tablegen backend that uses these Enumerators, and add the relevant scope where needed.
llvm-svn: 299316
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llvm-svn: 298657
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potential capture list.
Fix Sema::getCurLambda() to return the innermost lambda scope when there
is a block enclosed in the lambda. Previously, the method would return a
nullptr in such cases, which would prevent a variable captured by the
enclosed block to be added to the lambda scope's potential capture list.
rdar://problem/28412462
Differential Revision: https://reviews.llvm.org/D25556
llvm-svn: 296584
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using it for other kinds of context (where we currently produce context notes
in a highly ad-hoc manner).
llvm-svn: 295919
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instantiation.
In preparation for converting the template stack to a more general context
stack (so we can include context notes for other kinds of context).
llvm-svn: 295686
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Removed ndrange_t as Clang builtin type and added
as a struct type in the OpenCL header.
Use type name to do the Sema checking in enqueue_kernel
and modify IR generation accordingly.
Review: D28058
Patch by Dmitry Borisenkov!
llvm-svn: 295311
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with extensions
Fixed undefined behavior due to cast integer to bool in initializer list.
llvm-svn: 290056
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llvm-svn: 289991
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Added a map to associate types and declarations with extensions.
Refactored existing diagnostic for disabled types associated with extensions and extended it to declarations for generic situation.
Fixed some bugs for types associated with extensions.
Allow users to use pragma to declare types and functions for supported extensions, e.g.
#pragma OPENCL EXTENSION the_new_extension_name : begin
// declare types and functions associated with the extension here
#pragma OPENCL EXTENSION the_new_extension_name : end
Differential Revision: https://reviews.llvm.org/D21698
llvm-svn: 289979
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latter case, a temporary array object is materialized, and can be
lifetime-extended by binding a reference to the member access. Likewise, in an
array-to-pointer decay, an rvalue array is materialized before being converted
into a pointer.
This caused IR generation to stop treating file-scope array compound literals
as having static storage duration in some cases in C++; that has been rectified
by modeling such a compound literal as an lvalue. This also improves clang's
compatibility with GCC for those cases.
llvm-svn: 288654
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This solves PR23715 in a way that is compatible with LTO.
MSVC supports jumping to source-level labels and between inline asm
blocks, but we don't.
Also revert the old solution, r255201, which was to mark these calls as
noduplicate.
llvm-svn: 288059
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Clang emits error message for the following code:
```
template <class F> void parallel_loop(F &&f) { f(0); }
int main() {
int x;
parallel_loop([&](auto y) {
{
x = y;
};
});
}
```
$ clang++ --std=gnu++14 clang_test.cc -o clang_test
clang_test.cc:9:7: error: reference to local variable 'x' declared in enclosing function 'main'
x = y;
^
clang_test.cc:2:48: note: in instantiation of function template specialization 'main()::(anonymous class)::operator()<int>' requested here
template <class F> void parallel_loop(F &&f) { f(0); }
^
clang_test.cc:6:3: note: in instantiation of function template specialization 'parallel_loop<(lambda at clang_test.cc:6:17)>' requested here parallel_loop([&](auto y) {
^
clang_test.cc:5:7: note: 'x' declared here
int x;
^
1 error generated.
Patch fixes this issue.
llvm-svn: 286584
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If we pass a header to libclang, e.g. because it's open in an editor in
an IDE, warnings about unused const vars are not useful: other files
that include the header might use those constants. So when -x *-header
is passed as command-line option, suppress this warning.
llvm-svn: 285386
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Patch by Axel Naumann!
Reviewed by Richard Smith and me.
llvm-svn: 284372
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Summary:
This is possible now that MapVector supports move-only values.
Depends on D25404.
Reviewers: timshen
Subscribers: cfe-commits
Differential Revision: https://reviews.llvm.org/D25405
llvm-svn: 283766
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Summary:
Look for coroutine_traits and friends in std::experimental namespace.
Patch (mostly) by EricWF.
Reviewers: cfe-commits, EricWF, rsmith
Subscribers: majnemer, mehdi_amini
Differential Revision: https://reviews.llvm.org/D25068
llvm-svn: 283170
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llvm-svn: 278458
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decomposition declaration for arrays, aggregate-like structs, tuple-like
types, and (as an extension) for complex and vector types.
llvm-svn: 278435
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Summary: Removed unused headers, replaced some headers with forward class declarations
Patch by: Eugene <claprix@yandex.ru>
Differential Revision: https://reviews.llvm.org/D20100
llvm-svn: 275882
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llvm-svn: 273783
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variable weak discardable linkage and partially-ordered initialization, and is
implied for constexpr static data members.)
llvm-svn: 273754
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MaterializeTemporaryExpr."
Since D21243 fixes relative clang-tidy tests.
This reverts commit a71d9fbd41e99def9159af2b01ef6509394eaeed.
llvm-svn: 273312
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MaterializeTemporaryExpr."
This reverts r272296, since there are clang-tidy failures that appear to
be caused by this change.
llvm-svn: 272310
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These ExprWithCleanups are added for holding a RunCleanupsScope not
for destructor calls; rather, they are for lifetime marks. This requires
ExprWithCleanups to keep a bit to indicate whether it have cleanups with
side effects (e.g. dtor calls).
Differential Revision: http://reviews.llvm.org/D20498
llvm-svn: 272296
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pretty stack trace entries for all cases where we instantiate the definition of
something, and include the fully-qualified name with template arguments in the
name of the instantiated entity.
llvm-svn: 270904
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an identifier table lookup, *and* copy the LangOptions (including various
std::vector<std::string>s). Twice. We call this function once each time we start
parsing a declaration specifier sequence, and once for each call to Sema::Diag.
This reduces the compile time for a sample .c file from the linux kernel by 20%.
llvm-svn: 270009
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For better performance and to unify code with offloading part we pass
scalar firstprivate values by value, instead of by reference. It will
remove some extra copying operations.
llvm-svn: 269751
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Add supported OpenCL extensions to target info. It serves as default values to save the users of the burden setting each supported extensions and optional core features in command line.
Re-commit after fixing build error due to missing override attribute.
Differential Revision: http://reviews.llvm.org/D19484
llvm-svn: 269670
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Revert r269431 due to build failure caused by warning msg:
llvm/tools/clang/lib/Basic/Targets.cpp:2090:9: error: 'setSupportedOpenCLOpts' overrides a member function but is not marked 'override' [-Werror,-Winconsistent-missing-override]
void setSupportedOpenCLOpts() {
llvm-svn: 269435
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Add supported OpenCL extensions to target info. It serves as default values to save the users of the burden setting each supported extensions and optional core features in command line.
Differential Revision: http://reviews.llvm.org/D19484
llvm-svn: 269431
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a selector, the entry should be complete, containing everything introduced by
that module and all modules it imports.
Before writing out the method pool of a module, we sync up the out of date
selectors by pulling in methods for the selectors, from all modules it imports.
In ReadMethodPool, after pulling in the method pool entry for module A, this
lets us skip the modules that module A imports.
rdar://problem/25900131
llvm-svn: 268091
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Make implementation of #pragma pack consistent with other "stack" pragmas.
Use PragmaStack<> class instead of old representation of internal stack.
Don't change compiler's behavior.
TODO:
1. Introduce diagnostics on popping named slots from pragma stacks.
Reviewer: rnk
Differential revision: http://reviews.llvm.org/D19727
llvm-svn: 268085
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Slightly updated version, double-checked build and tests.
Improve implementation of MS pragmas that use stack + compatibility fixes.
This patch:
1. Changes implementation of #pragma vtordisp to use PragmaStack class
that other stack pragmas use;
2. Fixes "#pragma vtordisp()" behavior - it shouldn't affect the stack;
3. Supports "save-restore" of pragma stacks on enter / exit a C++ method
body, as MSVC does.
TODO:
1. Change implementation of #pragma pack to use the same approach;
2. Introduce diagnostics on popping named stack slots, as MSVC does.
Reviewers:
rnk, thakis
Differential revision: http://reviews.llvm.org/D19361
llvm-svn: 268029
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This reverts commit r267866.
llvm-svn: 267870
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Rework implementation of several MS pragmas that use internal stack:
vtordisp, {bss|code|const|data}_seg.
This patch:
1. Makes #pragma vtordisp use PragmaStack class as *_seg pragmas do;
2. Fixes "#pragma vtordisp()" behavior: it shouldn't affect stack;
3. Saves/restores the stacks on enter/exit a C++ method body.
llvm-svn: 267866
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I. Current implementation of images is not conformant to spec in the following points:
1. It makes no distinction with respect to access qualifiers and therefore allows to use images with different access type interchangeably. The following code would compile just fine:
void write_image(write_only image2d_t img);
kernel void foo(read_only image2d_t img) { write_image(img); } // Accepted code
which is disallowed according to s6.13.14.
2. It discards access qualifier on generated code, which leads to generated code for the above example:
call void @write_image(%opencl.image2d_t* %img);
In OpenCL2.0 however we can have different calls into write_image with read_only and wite_only images.
Also generally following compiler steps have no easy way to take different path depending on the image access: linking to the right implementation of image types, performing IR opts and backend codegen differently.
3. Image types are language keywords and can't be redeclared s6.1.9, which can happen currently as they are just typedef names.
4. Default access qualifier read_only is to be added if not provided explicitly.
II. This patch corrects the above points as follows:
1. All images are encapsulated into a separate .def file that is inserted in different points where image handling is required. This avoid a lot of code repetition as all images are handled the same way in the code with no distinction of their exact type.
2. The Cartesian product of image types and image access qualifiers is added to the builtin types. This simplifies a lot handling of access type mismatch as no operations are allowed by default on distinct Builtin types. Also spec intended access qualifier as special type qualifier that are combined with an image type to form a distinct type (see statement above - images can't be created w/o access qualifiers).
3. Improves testing of images in Clang.
Author: Anastasia Stulova
Reviewers: bader, mgrang.
Subscribers: pxli168, pekka.jaaskelainen, yaxunl.
Differential Revision: http://reviews.llvm.org/D17821
llvm-svn: 265783
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