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This caused Clang to start erroring on the following:
struct S {
template <typename = int> explicit S();
};
struct T : S {};
struct U : T {
U();
};
U::U() {}
$ clang -c /tmp/x.cc
/tmp/x.cc:10:4: error: call to implicitly-deleted default constructor of 'T'
U::U() {}
^
/tmp/x.cc:5:12: note: default constructor of 'T' is implicitly deleted
because base class 'S' has no default constructor
struct T : S {};
^
1 error generated.
See discussion on the cfe-commits email thread.
This also reverts the follow-ups r359966 and r359968.
> this patch adds support for the explicit bool specifier.
>
> Changes:
> - The parsing for the explicit(bool) specifier was added in ParseDecl.cpp.
> - The storage of the explicit specifier was changed. the explicit specifier was stored as a boolean value in the FunctionDeclBitfields and in the DeclSpec class. now it is stored as a PointerIntPair<Expr*, 2> with a flag and a potential expression in CXXConstructorDecl, CXXDeductionGuideDecl, CXXConversionDecl and in the DeclSpec class.
> - Following the AST change, Serialization, ASTMatchers, ASTComparator and ASTPrinter were adapted.
> - Template instantiation was adapted to instantiate the potential expressions of the explicit(bool) specifier When instantiating their associated declaration.
> - The Add*Candidate functions were adapted, they now take a Boolean indicating if the context allowing explicit constructor or conversion function and this boolean is used to remove invalid overloads that required template instantiation to be detected.
> - Test for Semantic and Serialization were added.
>
> This patch is not yet complete. I still need to check that interaction with CTAD and deduction guides is correct. and add more tests for AST operations. But I wanted first feedback.
> Perhaps this patch should be spited in smaller patches, but making each patch testable as a standalone may be tricky.
>
> Patch by Tyker
>
> Differential Revision: https://reviews.llvm.org/D60934
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@360024 91177308-0d34-0410-b5e6-96231b3b80d8
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this patch adds support for the explicit bool specifier.
Changes:
- The parsing for the explicit(bool) specifier was added in ParseDecl.cpp.
- The storage of the explicit specifier was changed. the explicit specifier was stored as a boolean value in the FunctionDeclBitfields and in the DeclSpec class. now it is stored as a PointerIntPair<Expr*, 2> with a flag and a potential expression in CXXConstructorDecl, CXXDeductionGuideDecl, CXXConversionDecl and in the DeclSpec class.
- Following the AST change, Serialization, ASTMatchers, ASTComparator and ASTPrinter were adapted.
- Template instantiation was adapted to instantiate the potential expressions of the explicit(bool) specifier When instantiating their associated declaration.
- The Add*Candidate functions were adapted, they now take a Boolean indicating if the context allowing explicit constructor or conversion function and this boolean is used to remove invalid overloads that required template instantiation to be detected.
- Test for Semantic and Serialization were added.
This patch is not yet complete. I still need to check that interaction with CTAD and deduction guides is correct. and add more tests for AST operations. But I wanted first feedback.
Perhaps this patch should be spited in smaller patches, but making each patch testable as a standalone may be tricky.
Patch by Tyker
Differential Revision: https://reviews.llvm.org/D60934
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@359949 91177308-0d34-0410-b5e6-96231b3b80d8
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declaration"
This reverts commit fc40cbd9d8c63e65eed3590ba925321afe782e1d.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@359859 91177308-0d34-0410-b5e6-96231b3b80d8
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If an address_space attribute is defined in a macro, print the macro instead
when diagnosing a warning or error for incompatible pointers with different
address_spaces.
We allow this for all attributes (not just address_space), and for multiple
attributes declared in the same macro.
Differential Revision: https://reviews.llvm.org/D51329
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@359826 91177308-0d34-0410-b5e6-96231b3b80d8
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Add an option to cache the generated PCH in the ModuleCache when
emitting it. This protects clients that build PCHs and read them in the
same process, allowing them to avoid race conditions between parallel
jobs the same way that Clang's implicit module build system does.
rdar://problem/48740787
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@355950 91177308-0d34-0410-b5e6-96231b3b80d8
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forward decl is not sufficient for destroying a unique_ptr<MemoryBuffer>.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@355816 91177308-0d34-0410-b5e6-96231b3b80d8
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Leverage the InMemoryModuleCache to invalidate a module the first time
it fails to import (and to lock a module as soon as it's built or
imported successfully). For implicit module builds, this optimizes
importing deep graphs where the leaf module is out-of-date; see example
near the end of the commit message.
Previously the cache finalized ("locked in") all modules imported so far
when starting a new module build. This was sufficient to prevent
loading two versions of the same module, but was somewhat arbitrary and
hard to reason about.
Now the cache explicitly tracks module state, where each module must be
one of:
- Unknown: module not in the cache (yet).
- Tentative: module in the cache, but not yet fully imported.
- ToBuild: module found on disk could not be imported; need to build.
- Final: module in the cache has been successfully built or imported.
Preventing repeated failed imports avoids variation in builds based on
shifting filesystem state. Now it's guaranteed that a module is loaded
from disk exactly once. It now seems safe to remove
FileManager::invalidateCache, but I'm leaving that for a later commit.
The new, precise logic uncovered a pre-existing problem in the cache:
the map key is the module filename, and different contexts use different
filenames for the same PCM file. (In particular, the test
Modules/relative-import-path.c does not build without this commit.
r223577 started using a relative path to describe a module's base
directory when importing it within another module. As a result, the
module cache sees an absolute path when (a) building the module or
importing it at the top-level, and a relative path when (b) importing
the module underneath another one.)
The "obvious" fix is to resolve paths using FileManager::getVirtualFile
and change the map key for the cache to a FileEntry, but some contexts
(particularly related to ASTUnit) have a shorter lifetime for their
FileManager than the InMemoryModuleCache. This is worth pursuing
further in a later commit; perhaps by tying together the FileManager and
InMemoryModuleCache lifetime, or moving the in-memory PCM storage into a
VFS layer.
For now, use the PCM's base directory as-written for constructing the
filename to check the ModuleCache.
Example
=======
To understand the build optimization, first consider the build of a
module graph TU -> A -> B -> C -> D with an empty cache:
TU builds A'
A' builds B'
B' builds C'
C' builds D'
imports D'
B' imports C'
imports D'
A' imports B'
imports C'
imports D'
TU imports A'
imports B'
imports C'
imports D'
If we build TU again, where A, B, C, and D are in the cache and D is
out-of-date, we would previously get this build:
TU imports A
imports B
imports C
imports D (out-of-date)
TU builds A'
A' imports B
imports C
imports D (out-of-date)
builds B'
B' imports C
imports D (out-of-date)
builds C'
C' imports D (out-of-date)
builds D'
imports D'
B' imports C'
imports D'
A' imports B'
imports C'
imports D'
TU imports A'
imports B'
imports C'
imports D'
After this commit, we'll immediateley invalidate A, B, C, and D when we
first observe that D is out-of-date, giving this build:
TU imports A
imports B
imports C
imports D (out-of-date)
TU builds A' // The same graph as an empty cache.
A' builds B'
B' builds C'
C' builds D'
imports D'
B' imports C'
imports D'
A' imports B'
imports C'
imports D'
TU imports A'
imports B'
imports C'
imports D'
The new build matches what we'd naively expect, pretty closely matching
the original build with the empty cache.
rdar://problem/48545366
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@355778 91177308-0d34-0410-b5e6-96231b3b80d8
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Change MemoryBufferCache to InMemoryModuleCache, moving it from Basic to
Serialization. Another patch will start using it to manage module build
more explicitly, but this is split out because it's mostly mechanical.
Because of the move to Serialization we can no longer abuse the
Preprocessor to forward it to the ASTReader. Besides the rename and
file move, that means Preprocessor::Preprocessor has one fewer parameter
and ASTReader::ASTReader has one more.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@355777 91177308-0d34-0410-b5e6-96231b3b80d8
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Added parsing/sema analysis/serialization/deserialization support for
'allocate' directive.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@355614 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
This reverts rL352390 / D57280.
As discussed in https://reviews.llvm.org/D57112#inline-506781,
'flush' clause does not exist in the OpenMP spec, it can not be
specified, and `OMPFlushClause` class is just a helper class.
Now, here's the caveat. I have read @ABataev's
> Well, I think it would be good to filter out OMPC_flush somehow
> because there is no such clause actually, it is a pseudo clause
> for better handling of the flush directive.
as if that clause is pseudo clause that only exists for the sole
purpose of simplifying the parser. As in, it never reaches AST.
I did not however try to verify that. Too bad, i was wrong.
It absolutely *does* reach AST. Therefore my understanding/justification
for the change was flawed, which makes the patch a regression which **must** be reverted.
@gribozavr has brought that up again in https://reviews.llvm.org/D57112#inline-521238
> > ...
> Sorry to be late for this discussion, but I don't think this conclusion
> follows. ASTMatchers are supposed to match the AST as it is.
> Even if OMPC_flush is synthetic, it exists in the AST, and users might
> want to match it. I think users would find anything else (trying to filter
> out AST nodes that are not in the source code) to be surprising. For example,
> there's a matcher materializeTemporaryExpr even though this AST node is a
> Clang invention and is not a part of the C++ spec.
>
> Matching only constructs that appear in the source code is not feasible with
> ASTMatchers, because they are based on Clang's AST that exposes tons of semantic
> information, and its design is dictated by the structure of the semantic information.
> See "RFC: Tree-based refactorings with Clang" in cfe-dev for a library that will
> focus on representing source code as faithfully as possible.
>
> Not to even mention that this code is in ASTTypeTraits, a general library for
> handling AST nodes, not specifically for AST Matchers...
Reviewers: gribozavr, ABataev, rjmccall, aaron.ballman
Reviewed By: gribozavr, ABataev
Subscribers: dylanmckay, guansong, arphaman, jdoerfert, cfe-commits, gribozavr, ABataev
Tags: #clang, #openmp
Differential Revision: https://reviews.llvm.org/D58979
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@355486 91177308-0d34-0410-b5e6-96231b3b80d8
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This patch implements parsing and sema for "omp declare mapper"
directive. User defined mapper, i.e., declare mapper directive, is a new
feature in OpenMP 5.0. It is introduced to extend existing map clauses
for the purpose of simplifying the copy of complex data structures
between host and device (i.e., deep copy). An example is shown below:
struct S { int len; int *d; };
#pragma omp declare mapper(struct S s) map(s, s.d[0:s.len]) // Memory region that d points to is also mapped using this mapper.
Contributed-by: Lingda Li <lildmh@gmail.com>
Differential Revision: https://reviews.llvm.org/D56326
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@352906 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
As discussed in https://reviews.llvm.org/D57112#inline-506781,
'flush' clause does not exist in the OpenMP spec, it can not be
specified, and `OMPFlushClause` class is just a helper class.
Therefore `OPENMP_CLAUSE()` in `clang/Basic/OpenMPKinds.def`
should not contain 'flush' "clause".
I have simply removed the `OPENMP_CLAUSE(flush, OMPFlushClause)`
from `clang/Basic/OpenMPKinds.def`, grepped for `OPENMP_CLAUSE`
and added `OPENMP_CLAUSE(flush, OMPFlushClause)` back to the **every**
place where `OPENMP_CLAUSE` is defined and `clang/Basic/OpenMPKinds.def`
is then included.
So as-is, this patch is a NFC. Possibly, some of these
`OPENMP_CLAUSE(flush, OMPFlushClause)` should be dropped,
i don't really know.
Test plan: `ninja check-clang`
Reviewers: ABataev
Reviewed By: ABataev
Subscribers: guansong, arphaman, cfe-commits
Tags: #openmp
Differential Revision: https://reviews.llvm.org/D57280
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@352390 91177308-0d34-0410-b5e6-96231b3b80d8
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to reflect the new license.
We understand that people may be surprised that we're moving the header
entirely to discuss the new license. We checked this carefully with the
Foundation's lawyer and we believe this is the correct approach.
Essentially, all code in the project is now made available by the LLVM
project under our new license, so you will see that the license headers
include that license only. Some of our contributors have contributed
code under our old license, and accordingly, we have retained a copy of
our old license notice in the top-level files in each project and
repository.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@351636 91177308-0d34-0410-b5e6-96231b3b80d8
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Fix a layering violation. Frontend depends on Serialization, so anything used
by both should be in Serialization.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@348907 91177308-0d34-0410-b5e6-96231b3b80d8
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Move enums from */*Diagnostic.h to Basic/Diagnostic*.h. Basic/AllDiagnostics.h
needs all the enums and moving the sources to Basic prevents a Basic->*->Basic
dependency loop. This also allows each Basic/Diagnostics*Kinds.td to have a
header at Basic/Diagnostic*.h (except for Common). The old headers are kept in place since other packages are still using them.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@348685 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
Documentation can be found at https://www.khronos.org/registry/OpenCL/extensions/intel/cl_intel_device_side_avc_motion_estimation.txt
Patch by Kristina Bessonova
Reviewers: Anastasia, yaxunl, shafik
Reviewed By: Anastasia
Subscribers: arphaman, sidorovd, AlexeySotkin, krisb, bader, asavonic, cfe-commits
Differential Revision: https://reviews.llvm.org/D51484
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@346392 91177308-0d34-0410-b5e6-96231b3b80d8
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cl_intel_device_side_avc_motion_estimation
This patch breaks Index/opencl-types.cl LIT test:
Script:
--
: 'RUN: at line 1'; stage1/bin/c-index-test -test-print-type llvm/tools/clang/test/Index/opencl-types.cl -cl-std=CL2.0 | stage1/bin/FileCheck llvm/tools/clang/test/Index/opencl-types.cl
--
Command Output (stderr):
--
llvm/tools/clang/test/Index/opencl-types.cl:3:26: warning: unsupported OpenCL extension 'cl_khr_fp16' - ignoring [-Wignored-pragmas]
llvm/tools/clang/test/Index/opencl-types.cl:4:26: warning: unsupported OpenCL extension 'cl_khr_fp64' - ignoring [-Wignored-pragmas]
llvm/tools/clang/test/Index/opencl-types.cl:8:9: error: use of type 'double' requires cl_khr_fp64 extension to be enabled
llvm/tools/clang/test/Index/opencl-types.cl:11:8: error: declaring variable of type 'half' is not allowed
llvm/tools/clang/test/Index/opencl-types.cl:15:3: error: use of type 'double' requires cl_khr_fp64 extension to be enabled
llvm/tools/clang/test/Index/opencl-types.cl:16:3: error: use of type 'double4' (vector of 4 'double' values) requires cl_khr_fp64 extension to be enabled
llvm/tools/clang/test/Index/opencl-types.cl:26:26: warning: unsupported OpenCL extension 'cl_khr_gl_msaa_sharing' - ignoring [-Wignored-pragmas]
llvm/tools/clang/test/Index/opencl-types.cl:35:44: error: use of type '__read_only image2d_msaa_t' requires cl_khr_gl_msaa_sharing extension to be enabled
llvm/tools/clang/test/Index/opencl-types.cl:36:49: error: use of type '__read_only image2d_array_msaa_t' requires cl_khr_gl_msaa_sharing extension to be enabled
llvm/tools/clang/test/Index/opencl-types.cl:37:49: error: use of type '__read_only image2d_msaa_depth_t' requires cl_khr_gl_msaa_sharing extension to be enabled
llvm/tools/clang/test/Index/opencl-types.cl:38:54: error: use of type '__read_only image2d_array_msaa_depth_t' requires cl_khr_gl_msaa_sharing extension to be enabled
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@346338 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
Documentation can be found at https://www.khronos.org/registry/OpenCL/extensions/intel/cl_intel_device_side_avc_motion_estimation.txt
Patch by Kristina Bessonova
Reviewers: Anastasia, yaxunl, shafik
Reviewed By: Anastasia
Subscribers: arphaman, sidorovd, AlexeySotkin, krisb, bader, asavonic, cfe-commits
Differential Revision: https://reviews.llvm.org/D51484
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@346326 91177308-0d34-0410-b5e6-96231b3b80d8
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A ConstantExpr class represents a full expression that's in a context where a
constant expression is required. This class reflects the path the evaluator
took to reach the expression rather than the syntactic context in which the
expression occurs.
In the future, the class will be expanded to cache the result of the evaluated
expression so that it's not needlessly re-evaluated
Reviewed By: rsmith
Differential Revision: https://reviews.llvm.org/D53475
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@345692 91177308-0d34-0410-b5e6-96231b3b80d8
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This doesn't appear to matter for deserialization purposes, because we
always know what kind of entity (declaration or statement/expression)
we're trying to load, but it makes the llvm-bcanalyzer output a lot less
mysterious.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@345328 91177308-0d34-0410-b5e6-96231b3b80d8
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Reviewers: ilya-biryukov
Subscribers: arphaman, cfe-commits
Differential Revision: https://reviews.llvm.org/D53135
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@344337 91177308-0d34-0410-b5e6-96231b3b80d8
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There are a few leftovers of rC343147 that are not (\w+)\.begin but in
the form of ([-[:alnum:]>.]+)\.begin or spanning two lines. Change them
to use the container form in this commit. The 12 occurrences have been
inspected manually for safety.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@343425 91177308-0d34-0410-b5e6-96231b3b80d8
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Add support for OMP5.0 requires directive and unified_address clause.
Patches to follow will include support for additional clauses.
Differential Revision: https://reviews.llvm.org/D52359
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@343063 91177308-0d34-0410-b5e6-96231b3b80d8
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Move declarations for OMPClauseReader, OMPClauseWriter to ASTReader.h
and ASTWriter.h and move implementation to ASTReader.cpp and
ASTWriter.cpp. This change helps generalize the serialization of
OpenMP clauses and will be used in the future implementation of new
OpenMP directives (e.g. requires).
Patch by Patrick Lyster
Differential Revision: https://reviews.llvm.org/D52097
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@342322 91177308-0d34-0410-b5e6-96231b3b80d8
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Fix a bug in the deserialization of IMPORTS section and allow for
imported modules to also be printed with -module-file-info.
rdar://problem/43867753
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@341902 91177308-0d34-0410-b5e6-96231b3b80d8
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Specifically, AttributedType now tracks a regular attr::Kind rather than
having its own parallel Kind enumeration, and AttributedTypeLoc now
holds an Attr* instead of holding an ad-hoc collection of Attr fields.
Differential Revision: https://reviews.llvm.org/D50526
This reinstates r339623, reverted in r339638, with a fix to not fail
template instantiation if we instantiate a QualType with no associated
type source information and we encounter an AttributedType.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@340215 91177308-0d34-0410-b5e6-96231b3b80d8
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This breaks compiling atlwin.h in Chromium. I'm sure the code is invalid
in some way, but we put a lot of work into accepting it, and I'm sure
rejecting it was not an intended consequence of this refactoring. :)
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@339638 91177308-0d34-0410-b5e6-96231b3b80d8
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Specifically, AttributedType now tracks a regular attr::Kind rather than
having its own parallel Kind enumeration, and AttributedTypeLoc now
holds an Attr* instead of holding an ad-hoc collection of Attr fields.
Differential Revision: https://reviews.llvm.org/D50526
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@339623 91177308-0d34-0410-b5e6-96231b3b80d8
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We can't read a deduced return type until we are sure that the types referred
to by it are not in the middle of being loaded. So defer all reading of such
deduced return types until the end of the recursive deserialization step.
Also, when we load a function type that has a deduced return type, update all
other redeclarations of the function to have that deduced return type.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@338798 91177308-0d34-0410-b5e6-96231b3b80d8
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sed -Ei 's/[[:space:]]+$//' include/**/*.{def,h,td} lib/**/*.{cpp,h}
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@338291 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@337978 91177308-0d34-0410-b5e6-96231b3b80d8
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As listed in the above PRs, vector_size doesn't allow
dependent types/values. This patch introduces a new
DependentVectorType to handle a VectorType that has a dependent
size or type.
In the future, ALL the vector-types should be able to create one
of these to handle dependent types/sizes as well. For example,
DependentSizedExtVectorType could likely be switched to just use
this instead, though that is left as an exercise for the future.
Differential Revision: https://reviews.llvm.org/D49045
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@337036 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@336727 91177308-0d34-0410-b5e6-96231b3b80d8
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The member init list for the sole constructor for CodeGenFunction
has gotten out of hand, so this patch moves the non-parameter-dependent
initializations into the member value inits.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@336726 91177308-0d34-0410-b5e6-96231b3b80d8
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merged function definitions; also merge functions with deduced return
types.
This seems like two independent fixes, but unfortunately they are hard
to separate because it's challenging to reliably test either one of them
without also testing the other.
A complication arises with deduced return type support: we need the type
of the function in order to know how to merge it, but we can't load the
actual type of the function because it might reference an entity
declared within the function (and we need to have already merged the
function to correctly merge that entity, which we would need to do to
determine if the function types match). So we instead compare the
declared function type when merging functions, and defer loading the
actual type of a function with a deduced type until we've finished
loading and merging the function.
This reverts r336175, reinstating r336021, with one change (for PR38015):
we look at the TypeSourceInfo of the first-so-far declaration of each
function when considering whether to merge two functions. This works
around a problem where the calling convention in the TypeSourceInfo for
subsequent redeclarations may not match if it was implicitly adjusted.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@336240 91177308-0d34-0410-b5e6-96231b3b80d8
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kind within"
This caused test failures in 32-bit builds (PR38015).
> merged function definitions; also merge functions with deduced return
> types.
>
> This seems like two independent fixes, but unfortunately they are hard
> to separate because it's challenging to reliably test either one of them
> without also testing the other.
>
> A complication arises with deduced return type support: we need the type
> of the function in order to know how to merge it, but we can't load the
> actual type of the function because it might reference an entity
> declared within the function (and we need to have already merged the
> function to correctly merge that entity, which we would need to do to
> determine if the function types match). So we instead compare the
> declared function type when merging functions, and defer loading the
> actual type of a function with a deduced type until we've finished
> loading and merging the function.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@336175 91177308-0d34-0410-b5e6-96231b3b80d8
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merged function definitions; also merge functions with deduced return
types.
This seems like two independent fixes, but unfortunately they are hard
to separate because it's challenging to reliably test either one of them
without also testing the other.
A complication arises with deduced return type support: we need the type
of the function in order to know how to merge it, but we can't load the
actual type of the function because it might reference an entity
declared within the function (and we need to have already merged the
function to correctly merge that entity, which we would need to do to
determine if the function types match). So we instead compare the
declared function type when merging functions, and defer loading the
actual type of a function with a deduced type until we've finished
loading and merging the function.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@336021 91177308-0d34-0410-b5e6-96231b3b80d8
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not the corresponding location information) earlier.
We need the type as written in order to properly merge functions with
deduced return types, so we need to load that early. But we don't want
to load the location information early, because that contains
problematic things such as the function parameters.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@336016 91177308-0d34-0410-b5e6-96231b3b80d8
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With MSVC, PCH files are created along with an object file that needs to
be linked into the final library or executable. That object file
contains the code generated when building the headers. In particular, it
will include definitions of inline dllexport functions, and because they
are emitted in this object file, other files using the PCH do not need
to emit them. See the bug for an example.
This patch makes clang-cl match MSVC's behaviour in this regard, causing
significant compile-time savings when building dlls using precompiled
headers.
For example, in a 64-bit optimized shared library build of Chromium with
PCH, it reduces the binary size and compile time of
stroke_opacity_custom.obj from 9315564 bytes to 3659629 bytes and 14.6
to 6.63 s. The wall-clock time of building blink_core.dll goes from
38m41s to 22m33s. ("user" time goes from 1979m to 1142m).
Differential Revision: https://reviews.llvm.org/D48426
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@335466 91177308-0d34-0410-b5e6-96231b3b80d8
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their saturated equivalents
This diff includes changes for the remaining _Fract and _Sat fixed point types.
```
signed short _Fract s_short_fract;
signed _Fract s_fract;
signed long _Fract s_long_fract;
unsigned short _Fract u_short_fract;
unsigned _Fract u_fract;
unsigned long _Fract u_long_fract;
// Aliased fixed point types
short _Accum short_accum;
_Accum accum;
long _Accum long_accum;
short _Fract short_fract;
_Fract fract;
long _Fract long_fract;
// Saturated fixed point types
_Sat signed short _Accum sat_s_short_accum;
_Sat signed _Accum sat_s_accum;
_Sat signed long _Accum sat_s_long_accum;
_Sat unsigned short _Accum sat_u_short_accum;
_Sat unsigned _Accum sat_u_accum;
_Sat unsigned long _Accum sat_u_long_accum;
_Sat signed short _Fract sat_s_short_fract;
_Sat signed _Fract sat_s_fract;
_Sat signed long _Fract sat_s_long_fract;
_Sat unsigned short _Fract sat_u_short_fract;
_Sat unsigned _Fract sat_u_fract;
_Sat unsigned long _Fract sat_u_long_fract;
// Aliased saturated fixed point types
_Sat short _Accum sat_short_accum;
_Sat _Accum sat_accum;
_Sat long _Accum sat_long_accum;
_Sat short _Fract sat_short_fract;
_Sat _Fract sat_fract;
_Sat long _Fract sat_long_fract;
```
This diff only allows for declaration of these fixed point types. Assignment and other operations done on fixed point types according to http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1169.pdf will be added in future patches.
Differential Revision: https://reviews.llvm.org/D46911
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@334718 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
This kind of functionality is useful to other project apart from clang.
LLDB works with version numbers a lot, but it does not have a convenient
abstraction for this. Moving this class to a lower level library allows
it to be freely used within LLDB.
Since this class is used in a lot of places in clang, and it used to be
in the clang namespace, it seemed appropriate to add it to the list of
adopted classes in LLVM.h to avoid prefixing all uses with "llvm::".
Also, I didn't find any tests specific for this class, so I wrote a
couple of quick ones for the more interesting bits of functionality.
Reviewers: zturner, erik.pilkington
Subscribers: mgorny, cfe-commits, llvm-commits
Differential Revision: https://reviews.llvm.org/D47887
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@334399 91177308-0d34-0410-b5e6-96231b3b80d8
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// Primary fixed point types
signed short _Accum s_short_accum;
signed _Accum s_accum;
signed long _Accum s_long_accum;
unsigned short _Accum u_short_accum;
unsigned _Accum u_accum;
unsigned long _Accum u_long_accum;
// Aliased fixed point types
short _Accum short_accum;
_Accum accum;
long _Accum long_accum;
This diff only allows for declaration of the fixed point types. Assignment and other operations done on fixed point types according to http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1169.pdf will be added in future patches. The saturated versions of these types and the equivalent _Fract types will also be added in future patches.
The tests included are for asserting that we can declare these types.
Fixed the test that was failing by not checking for dso_local on some
targets.
Differential Revision: https://reviews.llvm.org/D46084
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@333923 91177308-0d34-0410-b5e6-96231b3b80d8
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This reverts commit r333814, which fails for a test checking the bit
width on ubuntu.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@333815 91177308-0d34-0410-b5e6-96231b3b80d8
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```
// Primary fixed point types
signed short _Accum s_short_accum;
signed _Accum s_accum;
signed long _Accum s_long_accum;
unsigned short _Accum u_short_accum;
unsigned _Accum u_accum;
unsigned long _Accum u_long_accum;
// Aliased fixed point types
short _Accum short_accum;
_Accum accum;
long _Accum long_accum;
```
This diff only allows for declaration of the fixed point types. Assignment and other operations done on fixed point types according to http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1169.pdf will be added in future patches. The saturated versions of these types and the equivalent `_Fract` types will also be added in future patches.
The tests included are for asserting that we can declare these types.
Differential Revision: https://reviews.llvm.org/D46084
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@333814 91177308-0d34-0410-b5e6-96231b3b80d8
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This is similar to the LLVM change https://reviews.llvm.org/D46290.
We've been running doxygen with the autobrief option for a couple of
years now. This makes the \brief markers into our comments
redundant. Since they are a visual distraction and we don't want to
encourage more \brief markers in new code either, this patch removes
them all.
Patch produced by
for i in $(git grep -l '\@brief'); do perl -pi -e 's/\@brief //g' $i & done
for i in $(git grep -l '\\brief'); do perl -pi -e 's/\\brief //g' $i & done
Differential Revision: https://reviews.llvm.org/D46320
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@331834 91177308-0d34-0410-b5e6-96231b3b80d8
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This is not yet part of any C++ working draft, and so is controlled by the flag
-fchar8_t rather than a -std= flag. (The GCC implementation is controlled by a
flag with the same name.)
This implementation is experimental, and will be removed or revised
substantially to match the proposal as it makes its way through the C++
committee.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@331244 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
We need to know if ASTReader already has a DeserializationListner or
not, and this also helps to create a multiplexing deserialization
listener if there is one already attached.
Reviewers: v.g.vassilev, rsmith, dblaikie, thakis
Subscribers: cfe-commits
Differential Revision: https://reviews.llvm.org/D45921
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@330946 91177308-0d34-0410-b5e6-96231b3b80d8
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See Richard's humbling feedback here:
http://lists.llvm.org/pipermail/cfe-commits/Week-of-Mon-20180423/226482.html
http://lists.llvm.org/pipermail/cfe-commits/Week-of-Mon-20180423/226486.html
Wish I'd had the patience to solicit the feedback prior to committing :)
Sorry for the noise guys.
Thank you Richard for being the steward that clang deserves!
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@330888 91177308-0d34-0410-b5e6-96231b3b80d8
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declarations
This patch is a tweak of changyu's patch: https://reviews.llvm.org/D40381. It differs in that the recognition of the 'concept' token is moved into the machinery that recognizes declaration-specifiers - this allows us to leverage the attribute handling machinery more seamlessly.
See the test file to get a sense of the basic parsing that this patch supports.
There is much more work to be done before concepts are usable...
Thanks Changyu!
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@330794 91177308-0d34-0410-b5e6-96231b3b80d8
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warnings; other minor fixes (NFC).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@329851 91177308-0d34-0410-b5e6-96231b3b80d8
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