Re-apply "r226548 - Introduce SPIR calling conventions" reverted in r226558.
The test was fixed after a discussion with the revision author: the check
pattern was made more flexible as the "%call" part is not what we actually want
to check strictly there.
The original patch description:
===
Introduce SPIR calling conventions.
This implements Section 3.7 from the SPIR 1.2 spec:
SPIR kernels should use "spir_kernel" calling convention.
Non-kernel functions use "spir_func" calling convention. All
other calling conventions are disallowed.
The patch works only for OpenCL source. Any other uses will need
to ensure that kernels are assigned the spir_kernel calling
convention correctly.
===
Alexey Bataev [Tue, 20 Jan 2015 07:03:46 +0000 (07:03 +0000)]
[OPENMP] Fixed DSA processing for predetermined shared variables.
This patch allows to use predetermined shared variables in private clauses in
parallel or tasks regions.
This implements Section 3.7 from the SPIR 1.2 spec:
SPIR kernels should use "spir_kernel" calling convention.
Non-kernel functions use "spir_func" calling convention. All
other calling conventions are disallowed.
The patch works only for OpenCL source. Any other uses will need
to ensure that kernels are assigned the spir_kernel calling
convention correctly.
Manuel Klimek [Mon, 19 Jan 2015 10:48:04 +0000 (10:48 +0000)]
Make clang-format work in emacs buffers with unicode characters.
Emacs functions by default use character positions; convert characters
to offsets when handing parameters to clang-format and convert byte
offsets we get from clang-format back to character positions.
Reworked the code a bit so the 0-based to 1-based offset calculations
are done in the same place where we do the multi-byte to offset mapping.
Craig Topper [Mon, 19 Jan 2015 06:08:02 +0000 (06:08 +0000)]
[X86] Change AVX512 intrinsics to take a 8-bit immediate for the comparision kind instead of a 32-bit immediate. This matches an equivalent change in llvm.
Alexey Bataev [Mon, 19 Jan 2015 05:20:46 +0000 (05:20 +0000)]
[OPENMP] Disable copyprivate an nowait clauses in 'single' directive.
The copyprivate clause must not be used with the nowait clause in single
directive.
Serge Pavlov [Sun, 18 Jan 2015 19:05:48 +0000 (19:05 +0000)]
Update error message text.
Previously if an enumeration was used in a nested name specifier in pre-C++11
language dialect, error message was 'XXX is not a class, namespace, or scoped
enumeration'. This patch removes the word 'scoped' as in C++11 any enumeration
may be used in this context.
David Blaikie [Sun, 18 Jan 2015 00:14:21 +0000 (00:14 +0000)]
Recommit r225083 (reverted in r225361) now that calls to aggregate initializers from in class non-static data members are explicitly attributed to the desired line.
The code setting the debug location being removed here was accidentally
leaking a location into the call to the non-static data member's ctor
call. Without it the call had no location and could cause assertion
failures if it was inlined. Now that it has a location (and a correct
one at that) this code should hopefully be no longer needed.
It's possible of course that other parts of the debug info are also
relying on the debug locations being set here to leak to where they're
needed - so we might see the same assertions again & will have to
investigate what the dependence was/is. But the chances are good that
any of those are debug info line table quality bugs we've just not found
yet anyway - so it'll be good to flush them out.
David Blaikie [Sun, 18 Jan 2015 00:12:58 +0000 (00:12 +0000)]
DebugInfo: Correct the debug location of non-static data member initializers
This was causing some trouble for otherwise dead code removed in r225085
(reverted in r225361). The location being set for function arguments was
leaking out to the call which wasn't setting its own location (so a
quality bug turned into a crasher with r225085). Fix this so r225085 can
be recommitted.
Chandler Carruth [Sat, 17 Jan 2015 14:20:14 +0000 (14:20 +0000)]
[msan] Fix a uninitialized-use bug in the template argument diffing
logic.
In one place we would try to check for the difference between integers
even if we were missing one of the integers. This would eventually end
up reading uninitialized data out of the APSInt objects. The fix is to
short circuit the sameness test when we don't have integers on both
sides.
This fixes a test failure I was seeing with MSan. Not sure whether other
bots were seeing it or not, but yay MSan. In particular the feature to
very carefully track origins back through stores throughout the program
was invaluable.
Nico Weber [Sat, 17 Jan 2015 02:33:17 +0000 (02:33 +0000)]
If a function decl cannot be merged, mark it as invalid.
Clang currently crashes on
class C {
C() = default;
C() = delete;
};
My cunning plan for fixing this was to change the `if (!FnD)` in
Parser::ParseCXXInlineMethodDef() to `if (!FnD || FnD->isInvalidDecl)` – but
alas, the second constructor decl wasn't marked as invalid. This lets
Sema::MergeFunctionDecl() return true on function redeclarations, which leads
to them being marked invalid.
This also improves error messages when functions are redeclared.
Jordan Rose [Fri, 16 Jan 2015 23:04:31 +0000 (23:04 +0000)]
Suggest objc_method_family(none) for a property named -newFoo or similar.
As mentioned in the previous commit, if a property (declared with @property)
has a name that matches a special Objective-C method family, the getter picks
up that family despite being declared by the property. The most correct way
to solve this problem is to add the 'objc_method_family' attribute to the
getter with an argument of 'none', which unfortunately requires an explicit
declaration of the getter.
This commit adds a note to the existing error (ARC) or warning (MRR) for
such a poorly-named property that suggests the solution; if there's already
a declaration of the getter, it even includes a fix-it.
Jordan Rose [Fri, 16 Jan 2015 23:04:26 +0000 (23:04 +0000)]
ObjC getters with names like "newItem" should still be linked to the @property.
Two years ago I added a compile-time "optimization" to
ObjCMethodDecl::findPropertyDecl: exit early if the current method is part
of a special Objective-C method family (like 'new' or 'init'). However, if a
property (declared with @property) has a name that matches a method family,
the getter picks up that family despite being declared by the property. The
early exit then made ObjCMethodDecl::findPropertyDecl decide that there
was no associated property, despite the method itself being marked as an
accessor. This corrects that by removing the early exit.
This does /not/ change the fact that such a getter is considered to return a
value with a +1 retain count. The best way to eliminate this is by adding the
objc_method_family(none) attribute to the getter, but unlike the existing
ns_returns_not_retained that can't be applied directly to the property -- you
have to redeclare the getter instead.
(It'd be nice if @property just implied objc_method_family(none) for its
getter, but that would be a backwards-incompatible change.)
David Blaikie [Fri, 16 Jan 2015 22:55:09 +0000 (22:55 +0000)]
Isolate test for PR22096 to clang.
Emitting inlinable calls without debug locations (in functions with
debug info, to functions with debug info) is problematic for debug info
when inlining occurs. Test specifically that we don't do that in this
case - thus the test isn't simply "don't crash", it's "include debug
location for this call" (granted it's the wrong location - fix for that
is coming)
Kaelyn Takata [Fri, 16 Jan 2015 22:11:04 +0000 (22:11 +0000)]
Fix a case where delayed typo correction should have resolved an
ambiguity but wasn't.
In the new test case, "click" wasn't being corrected properly because
Sema::ClassifyName would call CorrectTypo for "click" then later
Sema::DiagnoseEmptyLookup would call CorrectTypoDelayed for the same use
of "click" (the former by the parser needing to determine what the
identifier is so it knows how to parse the statement, i.e. is it the
beginning of a declaration or an expression). CorrectTypo would record
that typo correction for "click" failed and CorrectTypoDelayed would see
that and not even try to correct the typo, even though in this case
CorrectTypo failed due to an ambiguity (both "Click" and "clock" having
an edit distance of one from "click") that could be resolved with more
information. The fix is two-fold:
1) Have CorrectTypo not record failed corrections if the reason for
the failure was two or more corrections with the same edit
distance, and
2) Make the CorrectionCandidateCallback used by
Parser::ParseCastExpression reject FunctionDecl candidates when the
next token after the identifier is a ".", "=", or "->" since
functions cannot be assigned to and do not have members that can be
referenced.
The reason for two correction spots is that from r222549 until r224375
landed, the first correction attempt would fail completely but the
second would suggest "clock" while having the note point to the
declaration of "Click".
Nico Weber [Fri, 16 Jan 2015 19:34:13 +0000 (19:34 +0000)]
Don't crash if a declarator in a friend decl doesn't have a name.
There was already an explicit check for that for the first decl. Move that
to a different place so that it's called for the following decls too. Also
don't randomly set the BitfieldSize ExprResult to true (this sets a pointer to
true internally).
Alexey Bataev [Fri, 16 Jan 2015 07:11:33 +0000 (07:11 +0000)]
[OPENMP] Fixed data-sharing attributes processing for variables with global
storage.
This fix allows to use non-constant global variables, static local variables and static data
members in data-sharing attribute clauses in parallel and task regions.
Hal Finkel [Thu, 15 Jan 2015 21:22:22 +0000 (21:22 +0000)]
[PowerPC] Add a target option for invariant function descriptors
The PPC backend will now assume that PPC64 ELFv1 function descriptors are
invariant. This must be true for well-defined C/C++ code, but I'm providing an
option to disable this assumption in case someone's JIT-engine needs it.
Hans Wennborg [Thu, 15 Jan 2015 21:18:30 +0000 (21:18 +0000)]
Warn about dllexported explicit class template instantiation declarations (PR22035)
Clang would previously become confused and crash here.
It does not make a lot of sense to export these, so warning seems appropriate.
MSVC will export some member functions for this kind of specializations, whereas
MinGW ignores the dllexport-edness. The latter behaviour seems better.
Chandler Carruth [Thu, 15 Jan 2015 10:42:26 +0000 (10:42 +0000)]
[PM] Track an LLVM API update which separates the TargetLibraryInfo
object from the pass that provides access to it.
We should probably refactor the createTLI code here in Clang in light of
the new structure, but I wanted this patch to be a minimal one that just
patches the behavior back together.
David Majnemer [Thu, 15 Jan 2015 08:41:25 +0000 (08:41 +0000)]
AST: Ensure implicit records have default visibility
Types composed with certain implicit record types would have their RTTI
marked as hidden because the implicit record type didn't have any
visibility.
This manifests itself as triggering false positives from tools like
clang's -fsantize=function feature. The RTTI for a function type's
return type wouldn't match if the return type was an implicit record
type.
Sema calls HandleVTable() with a bool parameter which is then threaded through
three layers. The only effect of this bool is an early return at the last
layer.
Instead, remove this parameter and call HandleVTable() only if the bool is
true. No intended behavior change.
Richard Smith [Thu, 15 Jan 2015 02:27:20 +0000 (02:27 +0000)]
PR13699: Include friend declarations in code completion results if they had a
prior visible declaration. Prefer to take template parameter names from the
first declaration.
Daniel Sanders [Wed, 14 Jan 2015 12:00:12 +0000 (12:00 +0000)]
[mips] Handle transparent unions correctly.
Summary:
This fixes MultiSource/Applications/lemon on big-endian N32 by correcting the
handling of the argument to wait(). glibc defines it as a transparent union of
void* and int*. Such unions are passed according to the rules of the first
member so the argument must be passed as if it were a void* (sign extended from
i32 to i64) and not as a union (shifted to the upper bits of an i64).
wait() already behaves correctly on big-endian O32 and N64 since the union is
already the same size as an argument slot.
Chandler Carruth [Wed, 14 Jan 2015 11:29:14 +0000 (11:29 +0000)]
[cleanup] Re-sort *all* #include lines with llvm/utils/sort_includes.py
Sorry for the noise, I managed to miss a bunch of recent regressions of
include orderings here. This should actually sort all the includes for
Clang. Again, no functionality changed, this is just a mechanical
cleanup that I try to run periodically to keep the #include lines as
regular as possible across the project.
projects / clang / log