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sed -Ei 's/[[:space:]]+$//' include/**/*.{def,h,td} lib/**/*.{cpp,h}
llvm-svn: 338291
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Summary:
Implementation functions call into the member functions of
ASTStructuralEquivalence, thus they can falsely alter the DeclsToCheck state
(they add decls). This results that some leaf declarations can be stated as
inequivalent as a side effect of one inequivalent element in the DeclsToCheck
list. And since we store the non-equivalencies, any (otherwise independent)
decls will be rendered as non-equivalent. Solution: I tried to clearly
separate the implementation functions (the static ones) and the public
interface. From now on, the implementation functions do not call any public
member functions, only other implementation functions.
Reviewers: a.sidorin, a_sidorin, r.stahl
Subscribers: rnkovacs, dkrupp, cfe-commits
Differential Revision: https://reviews.llvm.org/D49300
llvm-svn: 337275
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Summary:
D48773 simplified ASTImporter nicely, but it introduced a new error: Unnamed
structs are not imported correctly, if they appear in a recursive context.
This patch provides a fix for structural equivalency.
Reviewers: a.sidorin, a_sidorin, balazske, gerazo
Subscribers: rnkovacs, dkrupp, cfe-commits
Differential Revision: https://reviews.llvm.org/D49296
llvm-svn: 337267
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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
llvm-svn: 337036
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Summary:
Generalize the creation of Decl nodes during Import. With this patch we do the
same things after and before a new AST node is created (::Create) The import
logic should be really simple, we create the node, then we mark that as
imported, then we recursively import the parts for that node and then set them
on that node. However, the AST is actually a graph, so we have to handle
circles. If we mark something as imported (`MapImported()`) then we return with
the corresponding `To` decl whenever we want to import that node again, this way
circles are handled. In order to make this algorithm work we must ensure
things, which are handled in the generic CreateDecl<> template:
* There are no `Import()` calls in between any node creation (::Create)
and the `MapImported()` call.
* Before actually creating an AST node (::Create), we must check if
the Node had been imported already, if yes then return with that one.
One very important case for this is connected to templates: we may
start an import both from the templated decl of a template and from
the template itself.
Now, the virtual `Imported` function is called in `ASTImporter::Impor(Decl *)`,
but only once, when the `Decl` is imported. One point of this refactor is to
separate responsibilities. The original `Imported()` had 3 responsibilities:
- notify subclasses when an import happened
- register the decl into `ImportedDecls`
- initialise the Decl (set attributes, etc)
Now all of these are in separate functions:
- `Imported`
- `MapImported`
- `InitializeImportedDecl`
I tried to check all the clients, I executed tests for `ExternalASTMerger.cpp`
and some unittests for lldb.
Reviewers: a.sidorin, balazske, xazax.hun, r.stahl
Subscribers: rnkovacs, dkrupp, cfe-commits
Differential Revision: https://reviews.llvm.org/D47632
llvm-svn: 336896
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Summary:
Added structural equivalence check for C++ methods.
Improved structural equivalence tests.
Added related ASTImporter tests.
Reviewers: a.sidorin, szepet, xazax.hun, martong, a_sidorin
Reviewed By: martong, a_sidorin
Subscribers: a_sidorin, rnkovacs, cfe-commits
Differential Revision: https://reviews.llvm.org/D48628
llvm-svn: 336776
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llvm-svn: 336727
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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.
llvm-svn: 336726
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FunctionProtoType.
We previously re-evaluated the expression each time we wanted to know whether
the type is noexcept or not. We now evaluate the expression exactly once.
This is not quite "no functional change": it fixes a crasher bug during AST
deserialization where we would try to evaluate the noexcept specification in a
situation where we have not deserialized sufficient portions of the AST to
permit such evaluation.
llvm-svn: 331428
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There are only a few cases of importing a frienddecl which is currently supported.
This patch aims to improve the friend import process.
Set FriendObjectKind in case of decls, insert friend into the friend chain
correctly, checks structurally equivalent in a more advanced manner.
Test cases added as well.
llvm-svn: 330847
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llvm-svn: 329630
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Patch by Peter Szecsi!
Differential Revision: https://reviews.llvm.org/D30876
llvm-svn: 329301
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Previously UnaryTransformType nodes were comparing the same node
for structural equivalence. This was due to a typo where T1 was
on both sides of the comparison. This patch corrects that typo.
Unfortunately I couldn't find a way to test this change. It seems
that currently UnaryTransform nodes are never actually checked
for equivalence, only their canonical types are.
None the less, this correction seemed appropriate.
llvm-svn: 329151
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Also, a number of style and bug fixes was done:
* ASTImporterTest: added sanity check for source node
* ExternalASTMerger: better lookup for template specializations
* ASTImporter: don't add templated declarations into DeclContext
* ASTImporter: introduce a helper, ImportTemplateArgumentListInfo getting SourceLocations
* ASTImporter: proper set ParmVarDecls for imported FunctionProtoTypeLoc
Differential Revision: https://reviews.llvm.org/D42301
llvm-svn: 323519
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This patch relates to: https://reviews.llvm.org/D33666 This adds support
for template parameters to be passed to the address_space attribute.
The main goal is to add further flexibility to the attribute and allow
for it to be used easily with templates.
The main additions are a new type (DependentAddressSpaceType) alongside
its TypeLoc and its mangling. As well as the logic required to support
dependent address spaces which mainly resides in TreeTransform.h and
SemaType.cpp.
llvm-svn: 314649
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Allow ODR for ObjC/C in the sense that we won't keep more that
one definition around (merge them). However, ensure the decl
pass the structural compatibility check in C11 6.2.7/1, for that,
reuse the structural equivalence checks used by the ASTImporter.
Few other considerations:
- Create error diagnostics for tag types mismatches and thread
them into the structural equivalence checks.
- Note that by doing this we only support redefinition between types
that are considered "compatible types" by C.
This is mixed approach of the suggestions discussed in
http://lists.llvm.org/pipermail/cfe-dev/2017-March/053257.html
Differential Revision: https://reviews.llvm.org/D31778
rdar://problem/31909368
llvm-svn: 306918
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llvm-svn: 304650
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ASTImporter has some bugs when it's importing types
that themselves come from an ExternalASTSource. This
is exposed particularly in the behavior when
comparing complete TagDecls with forward
declarations. This patch does several things:
- Adds a test case making sure that conflicting
forward-declarations are resolved correctly;
- Extends the clang-import-test harness to test
two-level importing, so that we make sure we
complete types when necessary; and
- Fixes a few bugs I found this way. Failure to
complete types was one; however, I also discovered
that complete RecordDecls aren't properly added to
the redecls chain for existing forward
declarations.
llvm-svn: 302975
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Create a header and impl file for the structural equivalence context.
This is to allow other users outside clang importer. NFCI
Differential Revision: https://reviews.llvm.org/D31777
rdar://problem/30167717
llvm-svn: 301604
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