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8602 Commits

Author SHA1 Message Date
Eli Friedman
15002a2b52 Fix broken logic in DominatorTreeBase::Split. Part of PR4238. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72231 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-21 21:47:54 +00:00
Eli Friedman
e528fca673 Fix indentation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72227 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-21 21:08:47 +00:00
Jay Foad
c5d73afa48 Tighten up the asserts in SmallVector::operator[](). 
If this causes any new assertion failures that I didn't catch in
testing, the fix is usually to change "&v[0]" to "v.data()" for some
SmallVector v.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72221 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-21 19:48:58 +00:00
Duncan Sands
ef854af5bd Add a getAlignOf helper for getting the ABI alignment of a 
type as a target independent constant expression.  I confess
that I didn't check that this method works as intended (though
I did test the equivalent hand-written IR a little).  But what
could possibly go wrong!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72213 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-21 15:52:21 +00:00
Jay Foad
e3e51c0038 Use v.data() instead of &v[0] when SmallVector v might be empty. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72210 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-21 09:52:38 +00:00
Jay Foad
82fe2935bf Implement new SmallVector::data() methods. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72209 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-21 09:00:37 +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
Bill Wendling
df7d5d3170 Temporarily revert r72191. It was causing an assert during llvm-gcc 
bootstrapping.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72200 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-21 00:04:55 +00:00
Argyrios Kyrtzidis
a3437647dc Introduce DebugScope which gets embedded into the machine instructions' DebugLoc. 
DebugScope refers to a debug region, function or block.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72191 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-20 22:57:17 +00:00
Dan Gohman
b60182f1b0 Add an accessor method to return the insertion point. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72184 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-20 21:45:41 +00:00
Owen Anderson
6afe2fa288 Have llvm_start_multithreaded return a bool indicating whether multithreaded 
initialization succeeded or not, rather than just asserting.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72182 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-20 21:03:06 +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
Duncan Sands
0a8fe7a245 When comparing DominanceFrontier's, advance iterators 
before erasing nodes, not after.  Otherwise dom frontier
checking reads from freed memory.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72168 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-20 15:12:01 +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
b4d97b78df Add llvm_start_multithreaded(), which starts up the LLVM internals in thread-safe mode. Provide double-check locking 
initialization of ManagedStatic's when running in thread-safe mode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72151 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-20 00:39:20 +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
197ca8e939 Forgot this file in my last commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72141 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-19 22:25:55 +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
Dan Gohman
1959b7562e Make SCEVCallbackVH a private nested class inside ScalarEvolution, as 
it's an implementation detail.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72122 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-19 19:22:47 +00:00
Dan Gohman
5be18e8476 Teach SCEVExpander to expand arithmetic involving pointers into GEP 
instructions. It attempts to create high-level multi-operand GEPs,
though in cases where this isn't possible it falls back to casting
the pointer to i8* and emitting a GEP with that. Using GEP instructions
instead of ptrtoint+arithmetic+inttoptr helps pointer analyses that
don't use ScalarEvolution, such as BasicAliasAnalysis.

Also, make the AddrModeMatcher more aggressive in handling GEPs.
Previously it assumed that operand 0 of a GEP would require a register
in almost all cases. It now does extra checking and can do more
matching if operand 0 of the GEP is foldable. This fixes a problem
that was exposed by SCEVExpander using GEPs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72093 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-19 02:15:55 +00:00
Dan Gohman
6c3534c5aa Add some comments noting how IndVarSimplify facilitates 
LoopInfo functionality.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72091 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-19 01:52:46 +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
Dan Gohman
3959223330 Update a comment to reflect changes in the surrounding code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72051 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-18 22:15:25 +00:00
Argyrios Kyrtzidis
c1a45f60c7 Add missing file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72042 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-18 21:08:45 +00:00
Argyrios Kyrtzidis
b3a847db0b Allow the JIT ExecutionEngine to report details about the generated machine code. 
Introduce a new class (MachineCodeInfo) that the JIT can fill in with details. Right now, just the address and the size of the machine code are reported.

Patch by Evan Phoenix!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72040 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-18 21:06:40 +00:00
Eric Christopher
d4083e5a91 Remove getType() overrides for ExtractValueInst and InsertValueInst. 
Patch by John McCall.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72028 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-18 18:46:57 +00:00
Douglas Gregor
071d73d67e termios.h contains the winsize structure we need to determine the 
width of a terminal. Don't try to get the width of a terminal if we
don't have this header.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72018 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-18 17:21:34 +00:00
Dan Gohman
859b4824ee Make ScalarEvolution::isLoopGuardedByCond work even when the edge 
entering a loop is a non-split critical edge.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72004 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-18 15:36:09 +00:00
Dan Gohman
70a1fe7048 Add an isOne() utility function to ScalarEvolution, similar to isZero() 
and similar to ConstantInt's isOne().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72003 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-18 15:22:39 +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
Owen Anderson
18ad4cb95d Back out the thread-safe ManagedStatic for now. Too many people have too many problems with it for the moment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71931 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-16 07:20:52 +00:00
Jakob Stoklund Olesen
48872e0d84 Pass to verify generated machine code. 
The following is checked:

* Operand counts: All explicit operands must be present.

* Register classes: All physical and virtual register operands must be
  compatible with the register class required by the instruction descriptor.

* Register live intervals: Registers must be defined only once, and must be
  defined before use.

The machine code verifier is enabled with the command-line option
'-verify-machineinstrs', or by defining the environment variable
LLVM_VERIFY_MACHINEINSTRS to the name of a file that will receive all the
verifier errors.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71918 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-16 00:33:53 +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
ca37b511fa Factor out some common code, fix more typoes, and add a memory fence that might be needed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71853 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-15 08:22:07 +00:00
Owen Anderson
d300a28c40 Fix an unfortunate typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71852 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-15 08:07:23 +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
87ba22dc67 Make ManagedStatic threadsafe by using atomic operations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71796 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-14 21:26:50 +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
Bill Wendling
dc817b6f42 Non-functionality changes: 
- Reformatting.
- Use while() instead of do-while().
- Move simple constructors into .h file.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71782 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-14 18:26:15 +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
Jim Grosbach
f957012866 Update the names of the exception handling sjlj instrinsics to 
llvm.eh.sjlj.* for better clarity as to their purpose and scope. Add
a description of llvm.eh.sjlj.setjmp to ExceptionHandling.html.
(llvm.eh.sjlj.longjmp documentation coming when that implementation is
added).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71758 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-14 00:46:35 +00:00
Jim Grosbach
2afb3b7251 Removing the HasBuiltinSetjmp flag and associated bits. Flagging the presence 
of exception handling builtin sjlj targets in functions turns out not to 
be necessary. Marking the intrinsic implementation in the .td file as 
defining all registers is sufficient to get the context saved properly by 
the containing function.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71743 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-13 23:50:53 +00:00