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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@351636 91177308-0d34-0410-b5e6-96231b3b80d8
Without this fix, DenseSet crashes with an assertion if constructed with an
initializer_list whose length is not a power of two.
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constructor for DenseMap (DenseSet already had an initializer_list constructor).
These changes make it easier to migrate existing code that uses std::map and
std::set (which support initializer_list construction and equality comparison)
to DenseMap and DenseSet.
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Summary:
This seemed to be an oversight seeing as DenseMap has these conversions.
This patch does the following:
- Adds a default constructor to the iterators.
- Allows DenseSet::ConstIterators to be copy constructed from DenseSet::Iterators
- Allows mutual comparison between Iterators and ConstIterators.
All of these are available in the DenseMap implementation, so the implementation here is trivial.
Reviewers: dblaikie, dberris
Reviewed By: dberris
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D28999
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This reverts commit r278600. The unittest does not pass on MSVC, there is
an extra move. Investigating how to make it more robust.
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This operation is analogous to its counterpart in DenseMap: It allows lookup
via cheap-to-construct keys (provided that getHashValue and isEqual are
implemented for the cheap key-type in the DenseMapInfo specialization).
Thanks to Chandler for the review.
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