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47238 Commits

Author SHA1 Message Date
Chris Lattner 8284b66264 merge the common darwin settings from the X86/PPC/ARM targets 
into DarwinTargetAsmInfo.cpp.  The remaining differences should
be evaluated.  It seems strange that x86/arm has .zerofill but ppc
doesn't, etc.

llvm-svn: 73742
 2009-06-19 00:08:39 +00:00
Chris Lattner 2cce7d5988 fix build problem pointed out by John Thompson! 
llvm-svn: 73739
 2009-06-18 23:46:04 +00:00
Chris Lattner b84764516d move mangler quote handling from asm printers to TargetAsmInfo. 
llvm-svn: 73738
 2009-06-18 23:41:35 +00:00
Chris Lattner 4df8e5c800 minor cleanup 
llvm-svn: 73737
 2009-06-18 23:33:13 +00:00
Chris Lattner 09081b25a5 simplify macro debug info directive handling. 
llvm-svn: 73736
 2009-06-18 23:31:37 +00:00
Evan Cheng a0ca298f8a Remove UseThumbBacktraces. Just check if subtarget is darwin. 
llvm-svn: 73734
 2009-06-18 23:14:30 +00:00
Chris Lattner c7ab953177 fix file header 
llvm-svn: 73733
 2009-06-18 23:05:21 +00:00
Chris Lattner 8dd8a52533 Add a skeleton driver for new machine code level fun. llvm-mc is meant 
to be a test driver of other components in the system, which will develop
over time.

llvm-svn: 73732
 2009-06-18 23:04:45 +00:00
Chris Lattner fb8097b576 new testcase for rdar://6983634 
llvm-svn: 73729
 2009-06-18 22:53:26 +00:00
Owen Anderson 38830b19e9 Add a parent pointer to SCEV, in preparation for getting rid of the global uniquing tables. No functionality change. 
llvm-svn: 73728
 2009-06-18 22:25:12 +00:00
Lang Hames 32270cc78e Improved PHI def marking, replaced some gotos with breaks. 
llvm-svn: 73727
 2009-06-18 22:01:47 +00:00
Evan Cheng 032bc36939 Allow user to specify separate SVN url for llvm and the test suite. 
llvm-svn: 73726
 2009-06-18 21:39:50 +00:00
Owen Anderson b614f1e13c Simplify. 
llvm-svn: 73725
 2009-06-18 21:35:56 +00:00
Owen Anderson 7f1ef67a7b Simplify. 
llvm-svn: 73723
 2009-06-18 20:56:48 +00:00
Owen Anderson 5a6960fcc3 Add a SmartScopedLock, and use it to simplify code. 
llvm-svn: 73722
 2009-06-18 20:51:00 +00:00
Owen Anderson a6dc7456e1 Simplify with SmartRWMutex. 
llvm-svn: 73721
 2009-06-18 20:44:31 +00:00
Evan Cheng de9e36a74e 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. 
llvm-svn: 73720
 2009-06-18 20:37:15 +00:00
Owen Anderson 5e1f6d95a2 Simplify by using no-op-when-not-multithreaded locks. 
llvm-svn: 73719
 2009-06-18 20:36:21 +00:00
Dan Gohman 8c9ac59455 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.

llvm-svn: 73718
 2009-06-18 20:23:18 +00:00
Dan Gohman 4d3c3cfffd 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.

llvm-svn: 73717
 2009-06-18 20:21:07 +00:00
Owen Anderson 830ff50abf Simplify using mutexes that become no-ops when not in multithreaded mode. 
llvm-svn: 73716
 2009-06-18 20:15:26 +00:00
Anton Korobeynikov 6ee547bb1b Revert IRBuilder CC propagation. Fix SimplifyLibCalls instead. 
llvm-svn: 73715
 2009-06-18 20:05:31 +00:00
Owen Anderson d830eb8365 Simplify a lot of code by using a R/W mutex that becomes a no-op when multithreading is disabled. 
llvm-svn: 73714
 2009-06-18 19:10:19 +00:00
Owen Anderson fa107259fe Use SmartMutex to simplify. 
llvm-svn: 73712
 2009-06-18 18:36:34 +00:00
Owen Anderson 6c634f39ce Simplify the SmartMutex implementation a bit. 
llvm-svn: 73711
 2009-06-18 18:29:03 +00:00
Owen Anderson 1498a7a510 Give RWMutex the SmartRWMutex treatment too. 
llvm-svn: 73710
 2009-06-18 18:26:15 +00:00
Owen Anderson 68f6598c69 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.

llvm-svn: 73709
 2009-06-18 17:53:17 +00:00
Ted Kremenek 81ef65d491 Update CMake files to account for new location of Threading.cpp. 
llvm-svn: 73708
 2009-06-18 17:47:09 +00:00
Owen Anderson 7d42b95b6c Move Threading.[h|cpp] from Support to System. 
llvm-svn: 73707
 2009-06-18 16:54:52 +00:00
Dan Gohman a0348809b6 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.

llvm-svn: 73706
 2009-06-18 16:54:06 +00:00
Dan Gohman 56bd02c55c 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).

llvm-svn: 73705
 2009-06-18 16:30:21 +00:00
Dan Gohman 5a728c908c Update a comment to reflect the code. 
llvm-svn: 73704
 2009-06-18 16:24:47 +00:00
Owen Anderson c5eb1ee4b7 Fix the double checked locking in this file too. 
llvm-svn: 73703
 2009-06-18 16:17:42 +00:00
Owen Anderson 0fd4eaef30 As pointed out by Duncan, I accidentally dropped the first MemoryFence of the 
double-checked locking pattern here.

llvm-svn: 73701
 2009-06-18 16:08:27 +00:00
Anton Korobeynikov e2ff9a6f38 Forgot to commit this hunk 
llvm-svn: 73693
 2009-06-18 08:30:57 +00:00
Anton Korobeynikov 832b9e6a7a Propagate calling conv for invokes too 
llvm-svn: 73692
 2009-06-18 08:13:56 +00:00
Chris Lattner 8527e674ce Don't use int8_t, that requires DataTypes.h 
llvm-svn: 73682
 2009-06-18 04:56:53 +00:00
Owen Anderson 6eb4a73633 Fix build when disable thread support. 
Patch by Howard Su.

llvm-svn: 73680
 2009-06-18 04:44:46 +00:00
Zhongxing Xu bb4a7979b5 include header for uint8_t. 
llvm-svn: 73675
 2009-06-18 04:11:43 +00:00
Nick Lewycky 87c4a05008 Add braces to clarify if/else structure and remove warning. 
llvm-svn: 73673
 2009-06-18 03:01:42 +00:00
Evan Cheng 0e79603588 - 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.

llvm-svn: 73671
 2009-06-18 02:04:01 +00:00
Dale Johannesen 9d9acb065a 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.

llvm-svn: 73668
 2009-06-18 01:07:23 +00:00
Dan Gohman 94c468f419 Fix trailing whitespace from ScalarEvolution::print. 
llvm-svn: 73666
 2009-06-18 00:37:45 +00:00
Bob Wilson 86c12d7bc4 ARM unified syntax is not specific to ELF; use it for Darwin, too. 
llvm-svn: 73665
 2009-06-18 00:36:17 +00:00
Dan Gohman eddf77123a 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.

llvm-svn: 73664
 2009-06-18 00:00:20 +00:00
Dan Gohman 4d8723d47f Delete unnecessary braces. 
llvm-svn: 73663
 2009-06-17 23:54:37 +00:00
Owen Anderson ed14e767e8 Reapply r73647 in a non-broken form. 
llvm-svn: 73662
 2009-06-17 23:49:06 +00:00
Anton Korobeynikov 5658086052 Fix asm string from MOVi16 
llvm-svn: 73661
 2009-06-17 23:43:36 +00:00
Anton Korobeynikov f687a828b2 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.

llvm-svn: 73660
 2009-06-17 23:43:18 +00:00
Dan Gohman 7f836c7c61 Instcombine zext(trunc(x) & mask) to x&mask, even if the trunc has 
multiple users.

llvm-svn: 73656
 2009-06-17 23:17:05 +00:00