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This relands r301425.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@301813 91177308-0d34-0410-b5e6-96231b3b80d8
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This relands r301424.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@301812 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
This frees up one slot in the HandleBaseKind enum, which I will use
later to add a new kind of value handle. The size of the
HandleBaseKind enum is important because we store a HandleBaseKind in
the low two bits of a (in the worst case) 4 byte aligned pointer.
Reviewers: davide, chandlerc
Subscribers: mcrosier, llvm-commits
Differential Revision: https://reviews.llvm.org/D32634
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@301809 91177308-0d34-0410-b5e6-96231b3b80d8
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Commits were:
"Use WeakVH instead of WeakTrackingVH in AliasSetTracker's UnkownInsts"
"Add a new WeakVH value handle; NFC"
"Rename WeakVH to WeakTrackingVH; NFC"
The changes assumed pointers are 8 byte aligned on all architectures.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@301429 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
WeakVH nulls itself out if the value it was tracking gets deleted, but
it does not track RAUW.
Reviewers: dblaikie, davide
Subscribers: mcrosier, llvm-commits
Differential Revision: https://reviews.llvm.org/D32267
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@301425 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
I plan to use WeakVH to mean "nulls itself out on deletion, but does
not track RAUW" in a subsequent commit.
Reviewers: dblaikie, davide
Reviewed By: davide
Subscribers: arsenm, mehdi_amini, mcrosier, mzolotukhin, jfb, llvm-commits, nhaehnle
Differential Revision: https://reviews.llvm.org/D32266
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@301424 91177308-0d34-0410-b5e6-96231b3b80d8
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AssertingVH that delays any reported error until the handle is *used*.
This allows data structures to contain handles which become dangling
provided the data structure is cleaned up afterward rather than used for
anything interesting.
The implementation is moderately horrible in part because it works to
leave AssertingVH in place, undisturbed. If at some point there is
consensus that this is simply how AssertingVH should be used, it can be
substantially simplified.
This remains a boring pointer in a non-asserts build as you would
expect. The only place we pay cost is in asserts builds.
I plan to use this as a basis for replacing the asserting VHs that
currently dangle in the new PM until invalidation occurs in both LVI and
SCEV.
Differential Revision: https://reviews.llvm.org/D29061
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@292925 91177308-0d34-0410-b5e6-96231b3b80d8
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At the same time, fixes InstructionsTest::CastInst unittest: yes
you can leave the IR in an invalid state and exit when you don't
destroy the context (like the global one), no longer now.
This is the first part of http://reviews.llvm.org/D19094
From: Mehdi Amini <mehdi.amini@apple.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@266379 91177308-0d34-0410-b5e6-96231b3b80d8
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deprecated in C++11
Various value handles needed to be copy constructible and copy
assignable (mostly for their use in DenseMap). But to avoid an API that
might allow accidental slicing, make these members protected in the base
class and make derived classes final (the special members become
implicitly public there - but disallowing further derived classes that
might be sliced to the intermediate type).
Might be worth having a warning a bit like -Wnon-virtual-dtor that
catches public move/copy assign/ctors in classes with virtual functions.
(suppressable in the same way - by making them protected in the base,
and making the derived classes final) Could be fancier and only diagnose
them when they're actually called, potentially.
Also allow a few default implementations where custom implementations
(especially with non-standard return types) were implemented.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243909 91177308-0d34-0410-b5e6-96231b3b80d8
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std::auto_ptr is deprecated in GCC 5.0, and we are already using
std::unique_ptr all over the place.
Patch by Xan López.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235479 91177308-0d34-0410-b5e6-96231b3b80d8
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The patch is generated using clang-tidy misc-use-override check.
This command was used:
tools/clang/tools/extra/clang-tidy/tool/run-clang-tidy.py \
-checks='-*,misc-use-override' -header-filter='llvm|clang' \
-j=32 -fix -format
http://reviews.llvm.org/D8925
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234679 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210442 91177308-0d34-0410-b5e6-96231b3b80d8
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This compiles with no changes to clang/lld/lldb with MSVC and includes
overloads to various functions which are used by those projects and llvm
which have OwningPtr's as parameters. This should allow out of tree
projects some time to move. There are also no changes to libs/Target,
which should help out of tree targets have time to move, if necessary.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203083 91177308-0d34-0410-b5e6-96231b3b80d8
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Move the test for this class into the IR unittests as well.
This uncovers that ValueMap too is in the IR library. Ironically, the
unittest for ValueMap is useless in the Support library (honestly, so
was the ValueHandle test) and so it already lives in the IR unittests.
Mmmm, tasty layering.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202821 91177308-0d34-0410-b5e6-96231b3b80d8
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