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Author SHA1 Message Date
Chris Lattner
3ea4edce6a new testcase for rdar://6983634 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73729 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-18 22:53:26 +00:00
Owen Anderson
4a7893b452 Add a parent pointer to SCEV, in preparation for getting rid of the global uniquing tables. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73728 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-18 22:25:12 +00:00
Lang Hames
d21c31610c Improved PHI def marking, replaced some gotos with breaks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73727 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-18 22:01:47 +00:00
Evan Cheng
53df0a2944 Allow user to specify separate SVN url for llvm and the test suite. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73726 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-18 21:39:50 +00:00
Owen Anderson
e454067f97 Simplify. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73725 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-18 21:35:56 +00:00
Owen Anderson
b2c0fe4d93 Simplify. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73723 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-18 20:56:48 +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
f0f220a07e Simplify with SmartRWMutex. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73721 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-18 20:44:31 +00:00
Evan Cheng
b13bafe5c1 On Darwin, ams printer should output a second label before a jump table so the linker knows it's a new atom. But this is only needed if the jump table is put in a separate section from the function body. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73720 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-18 20:37:15 +00:00
Owen Anderson
bcf9737f1e Simplify by using no-op-when-not-multithreaded locks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73719 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-18 20:36:21 +00:00
Dan Gohman
4658c9b4ea Generalize LSR's OptimizeSMax to handle unsigned max tests as well 
as signed max tests. Along with r73717, this helps CodeGen avoid
emitting code for a maximum operation for this class of loop.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73718 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-18 20:23:18 +00:00
Dan Gohman
30fb512e95 Recognize n != 0 ? n : 1 as umax(n, 1). Previously only ULT/UGT/ULE/UGE 
comparisons were recognized for umax, but instcombine canonicalizes
unsigned comparisons with zero to this simpler form.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73717 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-18 20:21:07 +00:00
Owen Anderson
6cf69cfdee Simplify using mutexes that become no-ops when not in multithreaded mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73716 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-18 20:15:26 +00:00
Anton Korobeynikov
9547cdfa35 Revert IRBuilder CC propagation. Fix SimplifyLibCalls instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73715 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-18 20:05:31 +00:00
Owen Anderson
ee6aefcaa3 Simplify a lot of code by using a R/W mutex that becomes a no-op when multithreading is disabled. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73714 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-18 19:10:19 +00:00
Owen Anderson
0e4d606684 Use SmartMutex to simplify. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73712 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-18 18:36:34 +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
Ted Kremenek
e53118ea32 Update CMake files to account for new location of Threading.cpp. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73708 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-18 17:47:09 +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
Dan Gohman
4e8a98519e Remove the code from IVUsers that attempted to handle 
casted induction variables in cases where the cast
isn't foldable. It ended up being a pessimization in
many cases. This could be fixed, but it would require
a bunch of complicated code in IVUsers' clients. The
advantages of this approach aren't visible enough to
justify it at this time.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73706 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-18 16:54:06 +00:00
Dan Gohman
fd3daa74c2 Generalize the zext(trunc(t) & C) instcombine to work even with 
C is not a low-bits mask, and add a similar instcombine for
zext((trunc(t) & C) ^ C).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73705 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-18 16:30:21 +00:00
Dan Gohman
6864db6fac Update a comment to reflect the code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73704 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-18 16:24:47 +00:00
Owen Anderson
1d36e4fa7c Fix the double checked locking in this file too. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73703 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-18 16:17:42 +00:00
Owen Anderson
3cfc62aa08 As pointed out by Duncan, I accidentally dropped the first MemoryFence of the 
double-checked locking pattern here.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73701 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-18 16:08:27 +00:00
Anton Korobeynikov
fd0cfe4bb4 Forgot to commit this hunk 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73693 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-18 08:30:57 +00:00
Anton Korobeynikov
df9d0f0ed2 Propagate calling conv for invokes too 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73692 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-18 08:13:56 +00:00
Chris Lattner
b7b39987bb Don't use int8_t, that requires DataTypes.h 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73682 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-18 04:56:53 +00:00
Owen Anderson
6904858ab3 Fix build when disable thread support. 
Patch by Howard Su.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73680 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-18 04:44:46 +00:00
Zhongxing Xu
73d2f15fb5 include header for uint8_t. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73675 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-18 04:11:43 +00:00
Nick Lewycky
b4b0fc28bc Add braces to clarify if/else structure and remove warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73673 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-18 03:01:42 +00:00
Evan Cheng
f9f1da17f8 - Update register allocation hint after coalescing. This is done by the target since the hint is target dependent. This is important for ARM register pair hints. 
- Register allocator should resolve the second part of the hint (register number) before passing it to the target since it knows virtual register to physical register mapping.
- More fixes to get ARM load / store double word working.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73671 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-18 02:04:01 +00:00
Dale Johannesen
063989455d It looks like nobody is working on PR 4158, so I'm 
adding a check to catch this case at compile time
instead of quietly generating incorrect code.
That will at least let us identify CBE failures
that are not due to this problem.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73668 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-18 01:07:23 +00:00
Dan Gohman
9e7d9883b0 Fix trailing whitespace from ScalarEvolution::print. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73666 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-18 00:37:45 +00:00
Bob Wilson
ff6de36558 ARM unified syntax is not specific to ELF; use it for Darwin, too. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73665 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-18 00:36:17 +00:00
Dan Gohman
820528331f Teach ScalarEvolution how to recognize another xor(and(x, C), C) case. 
If C is a single bit and the and gets analyzed as a truncate and
zero-extend, the xor can be represnted as an add.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73664 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-18 00:00:20 +00:00
Dan Gohman
fc3641b07a Delete unnecessary braces. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73663 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-17 23:54:37 +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
Anton Korobeynikov
7c4f7dd43a Fix asm string from MOVi16 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73661 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-17 23:43:36 +00:00
Anton Korobeynikov
d61eca5330 Thumb2 instructions are enabled only in unified assembler mode. 
Emit switch directive for it. I have no idea whether this is
requirement for Darwin or not.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73660 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-17 23:43:18 +00:00
Dan Gohman
a392c788be Instcombine zext(trunc(x) & mask) to x&mask, even if the trunc has 
multiple users.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73656 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-17 23:17:05 +00:00
Owen Anderson
a23d2c1262 Use double-checked locking for this lazy initialization. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73653 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-17 22:53:57 +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
Anton Korobeynikov
bf823e7590 Honour calling convention and attributes of Callee by default. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73646 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-17 22:20:46 +00:00
Owen Anderson
de17e9940e Use atomic increment here. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73643 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-17 22:01:09 +00:00
Owen Anderson
92f2c87110 Thread-safe (and ManagedStatic-ized) LeakDetector! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73642 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-17 21:56:05 +00:00
Owen Anderson
f005a6466a Guard mutation of the timing info global. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73639 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-17 21:28:54 +00:00
Owen Anderson
f2986e6ca9 We need to use double-checked locking for lazy initialization in this case when running multithreaded. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73636 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-17 21:16:20 +00:00
Stefanus Du Toit
24e0411184 Fix link to BasicBlock doxygen documentation in Programmer's Manual 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73635 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-17 21:12:26 +00:00