Alex Lorenz [Fri, 2 Dec 2016 09:51:51 +0000 (09:51 +0000)]
[Frontend] Fix an issue where a quoted search path is incorrectly
removed as a duplicate header search path
The commit r126167 started passing the First index into RemoveDuplicates, but
forgot to update 0 to First in the loop that looks for the duplicate. This
resulted in a bug where an -iquoted search path was incorrectly removed if you
passed in the same path into -iquote and more than one time into -isystem.
Jason Henline [Fri, 2 Dec 2016 02:04:43 +0000 (02:04 +0000)]
[CUDA] Fix faulty test from rL288448
Summary:
The test introduced by rL288448 is currently failing because
unimportant but unexpected errors appear as output from a test compile
line. This patch looks for a more specific error message, in order to
avoid false positives.
Richard Smith [Fri, 2 Dec 2016 01:52:28 +0000 (01:52 +0000)]
Recover better from an incompatible .pcm file being provided by -fmodule-file=.
We try to include the headers of the module textually in this case, still
enforcing the modules semantic rules. In order to make that work, we need to
still track that we're entering and leaving the module. Also, if the module was
also marked as unavailable (perhaps because it was missing a file), we
shouldn't mark the module unavailable -- we don't need the module to be
complete if we're going to enter it textually.
Jason Henline [Fri, 2 Dec 2016 01:42:54 +0000 (01:42 +0000)]
[CUDA] "Support" ASAN arguments in CudaToolChain
This fixes a bug that was introduced in rL287285. The bug made it
illegal to pass -fsanitize=address during CUDA compilation because the
CudaToolChain class was switched from deriving from the Linux toolchain
class to deriving directly from the ToolChain toolchain class. When
CudaToolChain derived from Linux, it used Linux's getSupportedSanitizers
method, and that method allowed ASAN, but when it switched to deriving
directly from ToolChain, it inherited a getSupportedSanitizers method
that didn't allow for ASAN.
This patch fixes that bug by creating a getSupportedSanitizers method
for CudaToolChain that supports ASAN.
This patch also fixes the test that checks that -fsanitize=address is
passed correctly for CUDA builds. That test didn't used to notice if an
error message was emitted, and that's why it didn't catch this bug when
it was first introduced. With the fix from this patch, that test will
now catch any similar bug in the future.
After r256463, both the LHS and RHS now refer to the same variable. Before,
they referred to the member, the parameter respectively. Now GCC6's
-Wtautological-compare complains.
John McCall [Thu, 1 Dec 2016 23:51:30 +0000 (23:51 +0000)]
Struct GEPs must use i32, not whatever size_t is. It should be safe
to do this unconditionally, given that the indices will always be small
constant integers anyway.
Extend CompilationDatabase by a field for the output filename
In bigger projects like an Operating System, the same source code is
often compiled in slightly different ways. This could be the difference
between PIC and non-PIC code for static vs dynamic libraries, it could
also be the difference between size optimised versions of tools for
ramdisk images. At the moment, the compilation database has no way to
distinguish such cases. As first step, add a field in the JSON format
for it and process it accordingly.
Dominic Chen [Thu, 1 Dec 2016 17:06:39 +0000 (17:06 +0000)]
[analyzer] Drop explicit mention of range constraint solver
Summary: The basic constraint solver was dropped in rL162384, leaving the range constraint solver as the default and only constraint solver. Explicitly specifying it is unnecessary, and makes it difficult to test with other solver backends.
Alex Lorenz [Thu, 1 Dec 2016 12:14:38 +0000 (12:14 +0000)]
[ObjC] Avoid a @try/@finally/@autoreleasepool fixit when parsing an expression
This patch ensures that the typo fixit for the @try/@finally/@autoreleasepool {}
directive is shown only when we're parsing an actual statement where such
directives can actually be present.
Joey Gouly [Thu, 1 Dec 2016 11:30:49 +0000 (11:30 +0000)]
[OpenCL] Refactor read_only/write_only pipes.
This adds the access qualifier to the Pipe Type, rather than using a class
hierarchy.
It also fixes mergeTypes for Pipes, by disallowing merges. Only identical
pipe types can be merged. The test case in invalid-pipes-cl2.0.cl is added
to check that.
Florian Hahn [Thu, 1 Dec 2016 11:02:59 +0000 (11:02 +0000)]
Fix crash with unsupported architectures in Linux/Gnu target triples.
Summary: This patch adds a check and an error message to gnutools::Linker::ConstructJob in case the architecture is not supported. For most other operating systems, the error message is created in lib/Basic/Targets.cpp:AllocateTarget, but when construction the linker arguments for the gnutools linker a supported architecture is required.
Richard Smith [Thu, 1 Dec 2016 02:11:49 +0000 (02:11 +0000)]
PR31081: ignore exception specifications when deducing function template
arguments from a declaration; despite what the standard says, this form of
deduction should not be considering exception specifications.
John McCall [Wed, 30 Nov 2016 23:15:55 +0000 (23:15 +0000)]
Fix some layering violations where CGObjCMac's NSString emission was
performed at the CodeGenModule level.
Would be NFC except we now also use a different uniquing structure so
that we don't get spurious conflicts if you ask for both an NSString
and a CFString for the same content (which is possible with builtins).
Artem Dergachev [Wed, 30 Nov 2016 19:02:44 +0000 (19:02 +0000)]
[analyzer] Construct temporary objects of correct types, destroy them properly.
When constructing a temporary object region, which represents the result of
MaterializeTemporaryExpr, track down the sub-expression for which the temporary
is necessary with a trick similar to the approach used in CodeGen, namely
by using Expr::skipRValueSubobjectAdjustments().
Then, create the temporary object region with type of that sub-expression.
That type would propagate further in a path-sensitive manner.
During destruction of lifetime-extened temporaries, consult the type of
the temporary object region, rather than the type of the lifetime-extending
variable, in order to call the correct destructor (fixes pr17001) and,
at least, not to crash by trying to call a destructor of a plain type
(fixes pr19539).
Artem Dergachev [Wed, 30 Nov 2016 17:57:18 +0000 (17:57 +0000)]
[analyzer] Minor fixes and improvements to debug.ExprInspection
- Fix the bug with transition handling in ExprInspectionChecker's
checkDeadSymbols implementation.
- Test this bug by adding a new function clang_analyzer_numTimesReached() to
catch number of passes through the code, which should be handy for testing
against unintended state splits.
- Add two more functions should help debugging issues quickly without running
the debugger or dumping exploded graphs - clang_analyzer_dump() which dump()s
an SVal argument to a warning message, and clang_analyzer_printState(), which
dump()s the current program state to stderr.
John McCall [Wed, 30 Nov 2016 04:18:19 +0000 (04:18 +0000)]
Prospective GCC build fix: the unelaborated form of this friend
declaration should find the right type, assuming it's supported
evenly across all our hosts.
Reid Kleckner [Wed, 30 Nov 2016 00:25:36 +0000 (00:25 +0000)]
Stop handling interesting deserialized decls after HandleTranslationUnit
Other AST consumers can deserialize interesting decls that we might
codegen, but they won't make it to the final object file and can trigger
assertions in debug information generation after finalization.
Richard Smith [Wed, 30 Nov 2016 00:13:55 +0000 (00:13 +0000)]
[c++1z] Improve support for -fno-exceptions: we can't just ignore exception
specifications in this mode in C++17, since they're part of the function type,
so check and diagnose them like we would if exceptions were enabled.
[OpenCL] Prevent generation of globals in non-constant AS for OpenCL.
Avoid using shortcut for const qualified non-constant address space
aggregate variables while generating them on the stack such that
the alloca object is used instead of a global variable containing
initializer.
Daniel Jasper [Tue, 29 Nov 2016 09:40:32 +0000 (09:40 +0000)]
clang-format: Wrap complex binary expressions on the RHS of a comma.
Specifically, if the RHS of a comma is a complex binary expression and
spans multiple lines, insert a line break before it. This usually is
often more readable compared to producing a hanging indent. See changes
in FormatTest.cpp for examples.
Michal Gorny [Mon, 28 Nov 2016 21:11:22 +0000 (21:11 +0000)]
[Driver] Add unit tests for Distro detection
Add a set of unit tests for the distro detection code. The tests use an
in-memory virtual filesystems resembling release files for various
distributions supported. All release files are provided (not only the
ones directly used) in order to guarantee that one of the rules will not
mistakenly recognize the distribution incorrectly due to the additional
files (e.g. Ubuntu as Debian).
Michal Gorny [Mon, 28 Nov 2016 21:11:18 +0000 (21:11 +0000)]
[Driver] Fix recognizing newer OpenSUSE versions
Fix recognizing newer OpenSUSE versions that combine the two version
components into 'VERSION = x.y'. The check was written against an older
version that kept those two split as VERSION and PATCHLEVEL.
Michal Gorny [Mon, 28 Nov 2016 21:11:14 +0000 (21:11 +0000)]
[Driver] Refactor distro detection & classification as a separate API
Refactor the Distro enum along with helper functions into a full-fledged
Distro class, inspired by llvm::Triple, and make it a public API.
The new class wraps the enum with necessary comparison operators, adding
the convenience Is*() methods and a constructor performing
the detection. The public API is needed to run the unit tests (D25869).
Alexey Bataev [Mon, 28 Nov 2016 15:55:15 +0000 (15:55 +0000)]
[OPENMP] Fix for PR31137: Wrong DSA for members in struct.
If member expression is used in the task region and the base expression
is a DeclRefExp and the variable used in this ref expression is private,
it should be marked as implicitly firstprivate inside this region. Patch
fixes this issue.
Malcolm Parsons [Mon, 28 Nov 2016 11:11:34 +0000 (11:11 +0000)]
[Sema] Set range end of constructors and destructors in template instantiations
Summary:
clang-tidy checks frequently use source ranges of functions.
The source range of constructors and destructors in template instantiations
is currently a single token.
The factory method for constructors and destructors does not allow the
end source location to be specified.
Set end location manually after creating instantiation.
Hal Finkel [Sun, 27 Nov 2016 16:26:14 +0000 (16:26 +0000)]
Adjust type-trait evaluation to properly handle Using(Shadow)Decls
Since r274049, for an inheriting constructor declaration, the name of the using
declaration (and using shadow declaration comes from the using declaration) is
the name of a derived class, not the base class (line 8225-8232 of
lib/Sema/SemaDeclCXX.cpp in https://reviews.llvm.org/rL274049). Because of
this, name-based lookup performed inside Sema::LookupConstructors returns not
only CXXConstructorDecls but also Using(Shadow)Decls, which results assertion
failure reported in PR29087.
Eric Liu [Fri, 25 Nov 2016 16:02:49 +0000 (16:02 +0000)]
Do not do raw name replacement when FromDecl is a class forward-declaration.
Summary:
If the `FromDecl` is a class forward declaration, the reference is
still considered as referring to the original definition given the nature
of forward-declarations, so we can't do a raw name replacement in this case.
Eric Liu [Fri, 25 Nov 2016 12:39:03 +0000 (12:39 +0000)]
Consider nested namespaces in the canonical namespace as canonical as well.
Summary:
For example, this case was missed when looking for different but canonical
namespaces. UseContext in this case should be considered as in the canonical
namespace.
```
namespace a { namespace b { <FromContext> } }
namespace a { namespace b { namespace c { <UseContext> } } }
```
Added some commenting.
Note that for vec_sub builtins on 32 bit integers, the semantics is similar to
what ISA describes for instructions like vsubecuq that work on quadwords: the
first operand is added to the one's complement of the second operand. (As
opposed to two's complement which I expected).
Note that for vec_sub builtins on 32 bit integers, the semantics is similar to
what ISA describes for instructions like vsubecuq that work on quadwords: the
first operand is added to the one's complement of the second operand. (As
opposed to two's complement which I expected).
Reid Kleckner [Wed, 23 Nov 2016 16:51:30 +0000 (16:51 +0000)]
Remove C++ default arg side table for MS ABI ctor closures
Summary:
We don't need a side table in ASTContext to hold CXXDefaultArgExprs. The
important part of building the CXXDefaultArgExprs was to ODR use the
default argument expressions, not to make AST nodes. Refactor the code
to only check the default argument, and remove the side table in
ASTContext which wasn't being serialized.
Note that for vec_sub builtins on 32 bit integers, the semantics is similar to
what ISA describes for instructions like vsubecuq that work on quadwords: the
first operand is added to the one's complement of the second operand. (As
opposed to two's complement which I expected).
This commit fixes an incorrectly formatted Objective-C block parameter
placeholder in a code completion result. The incorrect parameter had a
redundant leading parenthesis.