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Summary:
This is patch is part of a series to introduce an Alignment type.
See this thread for context: http://lists.llvm.org/pipermail/llvm-dev/2019-July/133851.html
See this patch for the introduction of the type: https://reviews.llvm.org/D64790
Reviewers: courbet
Subscribers: hiraditya, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D68942
llvm-svn: 374773
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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.
llvm-svn: 351636
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MSVC appears to be getting confused as to whether OverloadToken is
supposed to be public or not.
This was discovered by code in Swift, and has been reported to
microsoft by hughbe:
https://connect.microsoft.com/VisualStudio/feedback/details/3116517
Differential Revision: https://reviews.llvm.org/D29880
llvm-svn: 296497
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No functionality change intended.
llvm-svn: 284733
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Summary:
This change fixes issues with `LLVM_CONSTEXPR` functions and
`TrailingObjects::FixedSizeStorage`. In particular, some of the
functions marked `LLVM_CONSTEXPR` used by `FixedSizeStorage` were not
implemented such that they evaluate successfully as part of a constant
expression despite constant arguments.
This change also implements a more traditional template-meta path to
accommodate MSVC, and adds unit tests for `FixedSizeStorage`.
Drive-by fix: the access control for members of `TrailingObjectsImpl` is
tightened.
Reviewers: faisalv, rsmith, aaron.ballman
Subscribers: cfe-commits
Differential Revision: https://reviews.llvm.org/D22668
llvm-svn: 277270
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compiler-specific issues. Instead, repeat an 'operator delete' definition in
each derived class that is actually deleted, and give up on the static type
safety of an error when sized delete is accidentally used on a type derived
from TrailingObjects.
llvm-svn: 260190
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MSVC bug.
This fixes undefined behavior in C++14 due to the size of the object being
deleted being different from sizeof(dynamic type) when it is allocated with
trailing objects.
MSVC seems to have several bugs around using-declarations changing the access
of a member inherited from a base class, so use forwarding functions instead of
using-declarations to make TrailingObjects::operator delete accessible where
desired.
llvm-svn: 260180
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The Windows bots have been failing for the last two days, with:
FAILED: C:\PROGRA~2\MICROS~1.0\VC\bin\amd64\cl.exe -c LLVMContextImpl.cpp
D:\buildslave\clang-x64-ninja-win7\llvm\lib\IR\LLVMContextImpl.cpp(137) :
error C2248: 'llvm::TrailingObjects<llvm::AttributeSetImpl,
llvm::IndexAttrPair>::operator delete' :
cannot access private member declared in class 'llvm::AttributeSetImpl'
TrailingObjects.h(298) : see declaration of
'llvm::TrailingObjects<llvm::AttributeSetImpl,
llvm::IndexAttrPair>::operator delete'
AttributeImpl.h(213) : see declaration of 'llvm::AttributeSetImpl'
llvm-svn: 260053
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-fsized-deallocation. Disable sized deallocation for all objects derived from
TrailingObjects, as we expect the storage allocated for these objects to be
larger than the size of their dynamic type.
llvm-svn: 259942
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llvm-svn: 257804
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Previously, the code enforced non-decreasing alignment of each trailing
type. However, it's easy enough to allow for realignment as needed, and
thus avoid the developer having to think about the possiblilities for
alignment requirements on all architectures.
(E.g. on Linux/x86, a struct with an int64 member is 4-byte aligned,
while on other 32-bit archs -- and even with other OSes on x86 -- it has
8-byte alignment. This sort of thing is irritating to have to manually
deal with.)
llvm-svn: 256533
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llvm-svn: 256179
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- Automatic alignment of the base type for the alignment requirements
of the trailing types.
- Support for an arbitrary numbers of trailing types, instead of only
1 or 2, by using a variadic template implementation.
Upcoming commits to clang will take advantage of both of these features.
Differential Revision: http://reviews.llvm.org/D12439
llvm-svn: 256054
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'llvm::TrailingObjects<`anonymous-namespace'::Class1,short,llvm::NoTrailingTypeArg>::additionalSizeToAlloc' :
cannot access protected member declared in class
'llvm::TrailingObjects<`anonymous-namespace'::Class1,short,llvm::NoTrailingTypeArg>'
I'm not sure how this compiles with gcc.
Aren't protecteded members accessible only with protected or public inheritance?
llvm-svn: 244199
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This is intended to help support the idiom of a class that has some
other objects (or multiple arrays of different types of objects)
appended on the end, which is used quite heavily in clang.
Differential Revision: http://reviews.llvm.org/D11272
llvm-svn: 244164
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