For objects that can be identified by small unsigned keys, SparseSet
provides constant time clear() and fast deterministic iteration. Insert,
erase, and find operations are typically faster than hash tables.

SparseSet is useful for keeping information about physical registers,
virtual registers, or numbered basic blocks.

llvm-svn: 151110

construction. Simplify its interface, implementation, and users
accordingly as there is no longer an 'uninitialized' state to check for.
Also, fixes a bug lurking in the interface as there was one method that
didn't correctly check for initialization.

llvm-svn: 151024

llvm-svn: 150890

Clang miscompiles it under certain circumstances, and it's a good exercise for APInt.

llvm-svn: 149986

some architectures. These are useful for interacting with multiarch or
bi-arch GCC (or GCC-based) toolchains.

llvm-svn: 149895

now that this handles the release / retain calls.

Adds a regression test for that bug (which is a compile-time
regression) and for the last two changes to the IntrusiveRefCntPtr,
especially tests for the memory leak due to copy construction of the
ref-counted object and ensuring that the traits are used for release /
retain calls.

llvm-svn: 149411

These are very useful for frontends and other utilities reasoning about
or selecting between triples.

llvm-svn: 149353

llvm-svn: 149229

llvm-svn: 148881

llvm-svn: 148659

BitVector uses the native word size for its internal representation.
That doesn't work well for literal bit masks in source code.

This patch adds BitVector operations to efficiently apply literal bit
masks specified as arrays of uint32_t.  Since each array entry always
holds exactly 32 bits, these portable bit masks can be source code
literals, probably produced by TableGen.

llvm-svn: 148272

Move to a by-section allocation and relocation scheme. This allows
better support for sections which do not contain externally visible
symbols.

Flesh out the relocation address vs. local storage address separation a
bit more as well. Remote process JITs use this to tell the relocation
resolution code where the code will live when it executes.

The startFunctionBody/endFunctionBody interfaces to the JIT and the
memory manager are deprecated. They'll stick around for as long as the
old JIT does, but the MCJIT doesn't use them anymore.

llvm-svn: 148258

is testing the bitcode reader's functionality, not VMCore's. Add the
what is a hope sufficient build system mojo to build and run a new
unittest.

Also clean up some of the test's naming. The goal for the file should be
to unittest the Bitcode Reader, and this is just one particular test
among potentially many in the future. Also, reverse my position and
relegate the PR# to a comment, but stash the comment on the same line as
the test name so it doesn't get lost. This makes the code more
self-documenting hopefully w/o losing track of the PR number.

llvm-svn: 147431

build. This didn't show up in the CMake build because the CMake build
for the unittests is rather poorly factored.

This probably isn't the correct fix. This should be a bitcode reader
unittest not a VMCore unittest. I'll move it and clean various parts of
the unittest up in a follow-up patch, but I wanted to unbreak the bots.

llvm-svn: 147427

PR11677.

llvm-svn: 147425

llvm-svn: 147186

Diagnostics are now emitted via the SourceMgr and we use MemoryBuffer
for buffer management. Switched the code to make use of the trailing
'0' that MemoryBuffer guarantees where it makes sense.

llvm-svn: 147063

llvm-svn: 146960

make VariadicFunction actually be trivial. Do so, and also make it look
more like your standard trivial functor by making it a struct with no
access specifiers. The unit test is updated to initialize its functors
properly.

llvm-svn: 146827

Hexatridecimal was added in r139695.

And fix the unittest that now triggers the assert.

llvm-svn: 146754

llvm-svn: 146735

bit of style, sorry.

llvm-svn: 146733

variadic-like functions in C++98. See the comments in the header file
for a more detailed description of how these work. We plan to use these
extensively in the AST matching library. This code and idea were
originally authored by Zhanyong Wan. I've condensed it using macros
to reduce repeatition and adjusted it to fit better with LLVM's ADT.

Thanks to both David Blaikie and Doug Gregor for the review!

llvm-svn: 146729

llvm-svn: 146725

library names in line with those used by CMake.
 - Patch by Johannes Obermayr, with tweaks by me.

llvm-svn: 146706

Original commit message:
Support/FileSystem: Implement canonicalize.

llvm-svn: 146378

llvm-svn: 146364

llvm-svn: 146363

Accidentally left out since r145214/r145217.

llvm-svn: 146356

FIXME: It should be more robust.
llvm-svn: 146294

dontlookhere check must be after it.

llvm-svn: 146217

I have run these tests under many configurations on the exact same OS as
the failures, and I can't reproduce them :(.

llvm-svn: 146214

directory_iterator preserve InputIterator semantics on copy.

llvm-svn: 146200

Add support for vectors of pointers.

llvm-svn: 145801

Makes failures more self-explanatory.

llvm-svn: 145704

was returning incorrect values in rare cases, and incorrectly marking
exact conversions as inexact in some more common cases. Fixes PR11406, and a
missed optimization in test/CodeGen/X86/fp-stack-O0.ll.

llvm-svn: 145141

available.

llvm-svn: 144574

These annotations are disabled entirely when either ENABLE_THREADS is off, or
building a release build. When enabled, they add calls to functions with no
statements to ManagedStatic's getters.

Use these annotations to inform tsan that the race used inside ManagedStatic
initialization is actually benign. Thanks to Kostya Serebryany for helping
write this patch!

llvm-svn: 144567

getPointerToNamedFunction might be indirect jump on Win32 --enable-shared.
FF 25 <disp32>: jmp *(pointer to IAT)

llvm-svn: 144178

Add a test case for the edge case that triggers this. Thanks to Chandler for bringing this to my attention.

llvm-svn: 142794