| Commit message (Collapse) | Author | Age |
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__unsafe_unretained.
Fixes <rdar://problem/15713945>.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@198343 91177308-0d34-0410-b5e6-96231b3b80d8
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reference.
Under ARC++, a reference to a const Objective-C pointer is implicitly
treated as __unsafe_unretained, and can be initialized with (e.g.) a
__strong lvalue. Make sure this behavior does not break template
argument deduction and (related) that partial ordering still prefers a
'T* const&' template over a 'T const&' template when this case kicks
in. Fixes <rdar://problem/14467941>.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@194239 91177308-0d34-0410-b5e6-96231b3b80d8
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return type of a function by canonicalizing them away. They are
useless anyway, and conflict with our rules for template argument
deduction and __strong. Fixes <rdar://problem/12367446>.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172768 91177308-0d34-0410-b5e6-96231b3b80d8
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[temp.deduct.call]p4 under Objective-C++ ARC, make sure to adjust the
qualifiers to introduce the implicit strong lifetime when
needed. Fixes <rdar://problem/11825671>.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160412 91177308-0d34-0410-b5e6-96231b3b80d8
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or __strong __typeof__(some.strong.thing).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150029 91177308-0d34-0410-b5e6-96231b3b80d8
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increasingly prevailing case to the point that new features
like ARC don't even support the fragile ABI anymore.
This required a little bit of reshuffling with exceptions
because a check was assuming that ObjCNonFragileABI was
only being set in ObjC mode, and that's actually a bit
obnoxious to do.
Most, though, it involved a perl script to translate a ton
of test cases.
Mostly no functionality change for driver users, although
there are corner cases with disabling language-specific
exceptions that we should handle more correctly now.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140957 91177308-0d34-0410-b5e6-96231b3b80d8
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lifetime-qualified template parameter, ensure that the deduced
template argument is a lifetime type. Fixes <rdar://problem/9828157>.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136078 91177308-0d34-0410-b5e6-96231b3b80d8
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structure to hold inferred information, then propagate each invididual
bit down to -cc1. Separate the bits of "supports weak" and "has a native
ARC runtime"; make the latter a CodeGenOption.
The tool chain is still driving this decision, because it's the place that
has the required deployment target information on Darwin, but at least it's
better-factored now.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134453 91177308-0d34-0410-b5e6-96231b3b80d8
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silently dropped ownership qualifiers that were being applied to
ownership-qualified, substituted type that was *not* a substituted
template type parameter. We now provide a diagnostic in such cases,
and recover by dropping the added qualifiers.
Document this behavior in the ARC specification.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133309 91177308-0d34-0410-b5e6-96231b3b80d8
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ownership-unqualified retainable object type as __strong. This allows
us to write, e.g.,
std::vector<id>
and we'll infer that the vector's element types have __strong
ownership semantics, which is far nicer than requiring:
std::vector<__strong id>
Note that we allow one to override the ownership qualifier of a
substituted template type parameter, e.g., given
template<typename T>
struct X {
typedef __weak T type;
};
X<id> is treated the same as X<__strong id>. At instantiation type,
the __weak in "__weak T" overrides the (inferred or specified)
__strong on the template argument type, so that we can still provide
metaprogramming transformations.
This is part of <rdar://problem/9595486>.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133303 91177308-0d34-0410-b5e6-96231b3b80d8
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Language-design credit goes to a lot of people, but I particularly want
to single out Blaine Garst and Patrick Beard for their contributions.
Compiler implementation credit goes to Argyrios, Doug, Fariborz, and myself,
in no particular order.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133103 91177308-0d34-0410-b5e6-96231b3b80d8
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