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235 Commits

Author SHA1 Message Date
Owen Anderson
e0fa0b42b2 Add atomic multiply and divide operations, built on top of CompareAndSwap. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74004 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 21:19:04 +00:00
Owen Anderson
6f2c64d70a Revert my last series of commits related to Timer and 64-bit atomics. Not all the targets 
we care about are capable of supporting it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73993 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 20:17:22 +00:00
Owen Anderson
f43f9d0ef8 Atomic ops that do arithmetic use signed arithmetic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73980 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 18:30:27 +00:00
Owen Anderson
0de9953e88 Label the existing atomic functions as 32-bit specific, and add a 64-bit one that will be useful in 
the near future.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73971 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 18:01:04 +00:00
Owen Anderson
5a9c0eeaf2 Add an atomic add operation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73964 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 17:39:31 +00:00
Owen Anderson
cc40f077b0 Add debugging code to test for various locking faux-pas's, when running in single threaded mode. This should help improve testing coverage for 
threading support, without having extensive actually concurrent clients yet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73803 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-20 00:27:21 +00:00
Owen Anderson
1b19a50cdb Fix a major typo. 
Nicolas, this is probably the cause of the failures you were seeing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73770 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-19 17:08:20 +00:00
Owen Anderson
4f10c3b4dc Fix weird class-size-being-different problems. At some level this is being caused by config.h not being 
included everywhere.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73745 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-19 00:48:22 +00:00
Owen Anderson
3c8031df6d Add a SmartScopedLock, and use it to simplify code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73722 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-18 20:51:00 +00:00
Owen Anderson
f0eeb9b7f5 Simplify the SmartMutex implementation a bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73711 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-18 18:29:03 +00:00
Owen Anderson
b65e9ed106 Give RWMutex the SmartRWMutex treatment too. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73710 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-18 18:26:15 +00:00
Owen Anderson
b849a4dd4b Insert a SmartMutex templated class into the class hierarchy, which takes a template parameter specifying whether this mutex 
should become a no-op when not running in multithreaded mode.  Make sys::Mutex a typedef of SmartMutex<false>, to preserve source compatibility.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73709 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-18 17:53:17 +00:00
Owen Anderson
e3cd5ca7e7 Move Threading.[h|cpp] from Support to System. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73707 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-18 16:54:52 +00:00
Owen Anderson
bf5ec1b9db Reapply r73647 in a non-broken form. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73662 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-17 23:49:06 +00:00
Owen Anderson
b983d67465 Protect the GC table in Function.cpp 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73647 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-17 22:23:31 +00:00
Owen Anderson
dd561e1539 Add an RAII ScopedWriter, which allows one to acquire a writer lock for the duration of a scope. Simplify a lot of uses of 
writer locks in Constants.cpp by using it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73630 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-17 20:34:43 +00:00
Owen Anderson
efdbfc4cef Use atomic increment/decrement for reference counting of Type's. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73588 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-17 00:28:49 +00:00
Owen Anderson
9a3df671ab Add an atomic increment and decrement implementation, which will be used for 
thread-safe reference counting.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73587 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-17 00:13:00 +00:00
Owen Anderson
82995a83e1 Fix #include guards. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73548 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-16 20:26:04 +00:00
Owen Anderson
2a8cf9aadd Add a portable wrapper for reader-writer locks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73545 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-16 20:19:28 +00:00
Chris Lattner
88d7e403d0 add a new static method to portably determine whether a patch is 
absolute or not, based on a patch by Gregory Curfman!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73368 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-15 04:17:07 +00:00
Torok Edwin
6c8db34165 Fix comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72858 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-04 08:18:25 +00:00
Torok Edwin
e8ebb0fe1b Add support for outputting ANSI colors to raw_fd_ostream. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72854 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-04 07:09:50 +00:00
Bill Wendling
4d4eab219a Untabify. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72603 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-30 00:58:37 +00:00
Owen Anderson
c4551d3d21 Use DataTypes.h instead of stdint.h. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72201 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-21 00:48:13 +00:00
Owen Anderson
3c1eaa0dc2 Move atomic operations' definitions out of line. While this seems kind of silly, 
all kinds of problems caused by including windows.h and/or config.h in an LLVM header.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72174 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-20 18:26:15 +00:00
Owen Anderson
9b2818d207 Compile fix for MSVC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72167 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-20 09:34:13 +00:00
Owen Anderson
81e4e9f7cb We need to include config.h here so that the #defines are set properly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72148 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-20 00:31:29 +00:00
Owen Anderson
a86037084d Split the ENABLE_THREADS #define in two. Now ENABLE_THREADS indicates the ability to run multiple threads at once in the JIT, and requires only 
mutex support.  LLVM_MULTITHREADED indicates (or will indicate) the ability to run LLVM itself across multiple threads, and requires atomics support.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72140 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-19 22:18:56 +00:00
Owen Anderson
84e5cac70a Make using an unsupported CAS size a hard error on Windows. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72088 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-19 01:08:36 +00:00
Owen Anderson
ecb1684d51 Fix up the Windows portion of Atomic.h. This is untested, but it is my best understanding of what should work. 
I'd be much obliged if someone on MSVC++ could try this out and let me know if it works.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72087 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-19 01:07:40 +00:00
Owen Anderson
03462230c7 Template CompareAndSwap function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72086 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-19 01:02:27 +00:00
Owen Anderson
71417827e8 Now that we have atomics support properly detected by configure, 
use it to implement Atomic.h.

This expunges the code previously imported from libatomic_ops.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72077 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-19 00:08:29 +00:00
Owen Anderson
6962815683 Significantly improve Atomic.h by pulling in code from libatomic_ops by HP. This is a little outdated, but reasonably complete. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71973 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-17 04:57:54 +00:00
Owen Anderson
de52f865b6 Remove the volatile marker from the cas_flag typedef, fixing some warnings. 
It's now the client's resposibility to add it in when needed


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71959 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-16 21:08:25 +00:00
Anton Korobeynikov
b2e82d07a7 Unbreak mingw build 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71856 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-15 11:04:52 +00:00
Owen Anderson
2c34f320ea Improve compatibility with older versions of Windows. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71855 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-15 10:40:23 +00:00
Owen Anderson
8064c8b86d (Hopefully) unbreak Apple-style builds. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71849 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-15 06:49:31 +00:00
Owen Anderson
8060424c40 Don't #include OSAtomic.h unless we really need it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71837 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-15 05:13:57 +00:00
Owen Anderson
5f00b0c5b6 Now with working on Leopard! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71819 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-15 00:01:40 +00:00
Owen Anderson
94555c2846 Dropped this #include by accident. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71798 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-14 21:33:57 +00:00
Owen Anderson
9693813080 Add CompareAndSwap. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71795 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-14 21:24:15 +00:00
Owen Anderson
c082324e19 Add an Atomic.h to the System library, for providing a platform independent API 
to low-level sync operations.

The only one present at the moment is MemoryFence(), and only for the platforms
for which I could easily discern the proper way to do it.  If your favorite platform
isn't represented, patches are welcome!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71770 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-14 05:54:36 +00:00
Douglas Gregor
01746745f1 Add terminal width detection to llvm::sys::Process. This is needed to 
fix Clang PRs 4148 and 4183.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71448 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-11 18:05:52 +00:00
Daniel Dunbar
6ddf2c1930 Add sys::Path::makeAbsolute(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68663 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-09 00:33:08 +00:00
Daniel Dunbar
be46c79501 Add llvm::sys::getHostTriple and remove 
llvm::sys::getOS{Name,Version}.

Right now the implementation just derives from LLVM_HOSTTRIPLE (which
is wrong, but it doesn't look like we have a define for the target
triple). Ideally this routine would actually be able to compute the
triple for targets we care about.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68118 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-31 17:30:15 +00:00
Chris Lattner
35033a5876 Add a new 'AddSignalHandler' function to Signals.h that allows 
arbitrary functions to be run when a crash happens.  Delete 
RemoveDirectoryOnSignal as it is dead and has never had clients.

Change PrintStackTraceOnErrorSignal to be implemented in terms of
AddSignalHandler.

I updated the Win32 versions of these APIs, but can't test them.
If there are any problems, I'd be happy to fix them as well.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66072 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-04 21:21:36 +00:00
Dan Gohman
0f8b53f19d Fix a bunch of Doxygen syntax issues. Escape special characters, 
and put @file directives on their own comment line.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65920 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-03 02:55:14 +00:00
Mikhail Glushenkov
cf5daf7df8 80-column violation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64102 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-08 22:48:07 +00:00
Mikhail Glushenkov
ba041f45fe Add a Sleep() function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64101 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-08 22:47:39 +00:00