StringMap's iterators did not support LLVM's
iterator_facade_base, which made it unusable in various
STL algorithms or with some of our range adapters.
This patch makes both StringMapConstIterator as well as
StringMapIterator support iterator_facade_base.
With this in place, it is easy to make an iterator adapter
that iterates over only keys, and whose value_type is
StringRef. So I add StringMapKeyIterator as well, and
provide the method StringMap::keys() that returns a
range that can be iterated.
Differential Revision: https://reviews.llvm.org/D31171
llvm-svn: 298436
This avoids undefined behavior when casting pointers to it. Also make
sure that we don't cast to a derived StringMapEntry before checking for
tombstone, as that may have different alignment requirements.
llvm-svn: 265145
There is code under review that requires StringMap to have a copy constructor,
and this makes StringMap more consistent with our other containers (like
DenseMap) that have copy constructors.
Differential Revision: http://reviews.llvm.org/D18506
llvm-svn: 264906
Summary:
Loading IR with debug info improves MDString::get() from 19ms to 10ms.
This is a rework of D16597 with adding an "emplace" method on the StringMap
to avoid requiring the MDString move ctor to be public.
Reviewers: dexonsmith
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D17920
From: Mehdi Amini <mehdi.amini@apple.com>
llvm-svn: 264386
Summary:
StringMap ctor accepts an initialize size, but expect it to be
rounded to the next power of 2. The ctor can handle that directly
instead of expecting clients to round it. Also, since the map will
resize itself when 75% full, take this into account an initialize
a larger initial size to avoid any growth.
Reviewers: dblaikie
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D18344
From: Mehdi Amini <mehdi.amini@apple.com>
llvm-svn: 264385
This just concatenates the common DWP sections without doing any of the
fancy DWP things like:
1) update str_offsets
2) deduplicating strings
3) merging/creating cu/tu_index
Patches for these will follow shortly.
(also not sure about target triple/object file type for this tool - do I
really need a whole triple just to write an object file that contains
purely static/hardcoded bytes in each section? & I guess I should just
pick it based on the first input, maybe, rather than hardcoding for now
- but we only produce .dwo on ELF platforms with objcopy for now anyway)
llvm-svn: 254355
The patch is generated using this command:
tools/clang/tools/extra/clang-tidy/tool/run-clang-tidy.py -fix \
-checks=-*,llvm-namespace-comment -header-filter='llvm/.*|clang/.*' \
llvm/lib/
Thanks to Eugene Kosov for the original patch!
llvm-svn: 240137
Having two ways to do this doesn't seem terribly helpful and
consistently using the insert version (which we already has) seems like
it'll make the code easier to understand to anyone working with standard
data structures. (I also updated many references to the Entry's
key and value to use first() and second instead of getKey{Data,Length,}
and get/setValue - for similar consistency)
Also removes the GetOrCreateValue functions so there's less surface area
to StringMap to fix/improve/change/accommodate move semantics, etc.
llvm-svn: 222319
Certain versions of GCC (~4.7) couldn't handle the SFINAE on access
control, but with "= delete" (hidden behind a macro for portability)
this issue is worked around/addressed.
Patch by Agustín Bergé
llvm-svn: 211525
This behavior was added to support StringMaps of StringMaps, default +
move construction are sufficient for this.
Real move construction support coming soon (& probably copy construction
too).
llvm-svn: 208360
allocation libraries, may allow more efficient allocation and
deallocation. It at least makes the interface implementable by the JIT
memory manager.
However, this highlights problematic overloading between the void* and
the T* deallocation functions. I'm looking into a better way to do this,
but as it happens, it comes up rarely in the codebase.
llvm-svn: 206265
where it's only bool-like 1/0 result like std::set.count().
Some of the LLVM ADT already return unsigned count(), while
others return bool count().
This patch modifies SmallPtrSet, SmallSet, SparseSet count()
to return unsigned instead of bool:
1 instead of true
0 instead of false
More ADT to follow.
llvm-svn: 197879
reject things like: "for (auto Entry : SomeStringMap)". Previously
this would copy the value but not the tail allocated string data
(the key).
llvm-svn: 182713
be set to zero that is what it was intended. Should improve performance of
the data structure when clear is invoked frequently (both compile time and
memory usage).
llvm-svn: 175799
