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Author SHA1 Message Date
Daniel Dunbar
7c093c9ac4 Switch Twine::str() to use toVector(), which is now efficient. 
llvm-svn: 79437
 2009-08-19 18:09:47 +00:00
David Goodwin
d57f44783c Update Cortex-A8 instruction itineraries for integer instructions. 
llvm-svn: 79436
 2009-08-19 18:00:44 +00:00
Owen Anderson
02c0eaa799 Add a first stab at describing LLVMContext. 
llvm-svn: 79435
 2009-08-19 17:58:52 +00:00
Daniel Dunbar
2e2969f9e1 Switch raw_svector_ostream to use the vector as the ostream buffer. 
- This avoids unnecessary malloc/free overhead in the common case, and
   unnecessary copying from the ostream buffer into the output vector.

llvm-svn: 79434
 2009-08-19 17:54:29 +00:00
Daniel Dunbar
6812c0db35 Add SmallVector::{capacity,set_size}. 
- These allow clients to make use of the extra elements in the vector which
   have already been allocated, without requiring them to be value initialized.

llvm-svn: 79433
 2009-08-19 17:48:28 +00:00
Erick Tryzelaar
adbe0cd3f7 BasicBlock::getContext can no longer return a NULL so update the doc. 
llvm-svn: 79432
 2009-08-19 17:40:05 +00:00
Erick Tryzelaar
17a7e49077 Update the ocaml docs to work with LLVMContext. 
llvm-svn: 79431
 2009-08-19 17:32:38 +00:00
Erick Tryzelaar
c20463016c Convert the rest of the ocaml types and functions to use context. 
llvm-svn: 79430
 2009-08-19 17:32:24 +00:00
Owen Anderson
9e0bb1bd44 Reapply my less-lock-contention-in-leak-detector patch, now with new files 
actually added.

llvm-svn: 79429
 2009-08-19 17:07:46 +00:00
Bob Wilson
fae9057bf0 Add support for Neon VEXT (vector extract) shuffles. 
This is derived from a patch by Anton Korzh.  I modified it to recognize
the VEXT shuffles during legalization and lower them to a target-specific
DAG node.

llvm-svn: 79428
 2009-08-19 17:03:43 +00:00
Daniel Dunbar
1ea5a59505 Fix a commento. 
llvm-svn: 79427
 2009-08-19 16:25:53 +00:00
Daniel Dunbar
988ae00460 Speculatively revert r79375, which may be breaking bootstrap, although in a 
rather obscure way (the other candidate is r79377).

llvm-svn: 79426
 2009-08-19 16:25:25 +00:00
David Goodwin
9a605efb84 Use the schedule itinerary operand use/def cycle information to adjust dependence edge latency for post-RA scheduling. 
llvm-svn: 79425
 2009-08-19 16:08:58 +00:00
Sandeep Patel
afbbbce083 Test commit access with a first act of vanity. 
llvm-svn: 79424
 2009-08-19 15:07:40 +00:00
Duncan Sands
0ecc3aff50 Fix cmake build on non-x86 targets. Patch by 
Xerxes Rånby.

llvm-svn: 79419
 2009-08-19 12:41:52 +00:00
Benjamin Kramer
edbfae6370 Proper MSVC build fix (and remove my hack again). Patch by Yonggang Luo. 
llvm-svn: 79418
 2009-08-19 12:38:51 +00:00
Benjamin Kramer
deadf72086 Add a hack to unbreak MSVC builds. str(n)casecmp are POSIX functions and aren't available on windows (mingw defines them though). 
llvm-svn: 79417
 2009-08-19 12:16:17 +00:00
Eli Friedman
914b41055a PR4737: Fix a nasty bug in load narrowing with non-power-of-two types. 
llvm-svn: 79415
 2009-08-19 08:46:10 +00:00
Erick Tryzelaar
7122c0e368 Add the ocaml binding to LLVMBuildAggregateRet. 
llvm-svn: 79414
 2009-08-19 08:37:00 +00:00
Erick Tryzelaar
e01a68157f Expose some extra functions to llvm-c 
llvm-svn: 79413
 2009-08-19 08:36:49 +00:00
Nick Lewycky
47bc7e0bd0 Fix up PHI nodes correctly in the presence of unreachable BBs, part two. Also 
delete a newed pointer, and improve readability a little bit.

llvm-svn: 79411
 2009-08-19 07:16:57 +00:00
Erick Tryzelaar
fe080c15ce Allow passing around LLVMContext in ocaml. 
llvm-svn: 79410
 2009-08-19 06:40:29 +00:00
Chris Lattner
fd945d807a ExuberantAsm is no more. 
llvm-svn: 79409
 2009-08-19 06:36:30 +00:00
Chris Lattner
aeed3004c1 fix asmstreaming of 2/4 byte elements with pow-2 alignments. 
llvm-svn: 79408
 2009-08-19 06:35:36 +00:00
Nick Lewycky
ed3dcdbdb8 Be more careful when modifying PHI nodes. Patch by Andre Tavares. 
llvm-svn: 79407
 2009-08-19 06:24:33 +00:00
Chris Lattner
57b873fda0 switch asmprinter to emit alignments through OutStreamer. 
llvm-svn: 79406
 2009-08-19 06:12:02 +00:00
Chris Lattner
9cbc9c2d13 eliminate AsmPrinter::SwitchToSection and just have clients 
talk to the MCStreamer directly instead.

llvm-svn: 79405
 2009-08-19 05:49:37 +00:00
Andreas Neustifter
7cffe838a8 Broke line before break. 
llvm-svn: 79404
 2009-08-19 05:44:39 +00:00
Daniel Dunbar
b606fc6b6c Make a SmallVector size more reasonable. 
llvm-svn: 79403
 2009-08-19 05:08:06 +00:00
Erick Tryzelaar
935d99e9df Fix gcc-4.4/fedora 11 by adding a sentinel value to SimpleValueType. 
gcc-4.4 was optimizing away comparisons against SimpleValueType when
it was compared to a value larger than the largest value in the enum.
This patch works around it by adding one extra item to the enum so
that these tests will now be valid.

llvm-svn: 79401
 2009-08-19 02:53:07 +00:00
Lang Hames
c26fb5727a Added an option to have the PBQP allocator attempt coalescing during allocation. 
llvm-svn: 79397
 2009-08-19 01:36:14 +00:00
Owen Anderson
bd652bf082 Revert my last patch temporarily. 
llvm-svn: 79388
 2009-08-19 00:52:13 +00:00
Owen Anderson
69a97af0b7 Privatize part of the leak detector mechanism, which turned out to be heavily contended 
when trying to run opt in parallel.  This lets parallel opt crunch 403.gcc in about a third
of the time.

llvm-svn: 79387
 2009-08-19 00:37:02 +00:00
Daniel Dunbar
fcac7e7345 raw_ostream: Simplify write(unsigned char) to match write(const char*, unsigned). 
llvm-svn: 79386
 2009-08-19 00:23:39 +00:00
Daniel Dunbar
6584ac1900 raw_ostream: Remove pointless redefinitions of tell(). 
- The base class implementation is correct.

llvm-svn: 79385
 2009-08-19 00:14:25 +00:00
Dan Gohman
807652ac3a Fix SimplifyLibcalls and ValueTracking to check mayBeOverridden 
before performing optimizations based on constant string values.

llvm-svn: 79384
 2009-08-19 00:11:12 +00:00
Dan Gohman
1526c115c0 Be tidy and use a break to exit from a switch block rather than 
just falling through the end.

llvm-svn: 79383
 2009-08-18 23:52:48 +00:00
Daniel Dunbar
2f3cfb4d35 raw_ostream: Add the capability for subclasses to manually install an external 
buffer.

llvm-svn: 79382
 2009-08-18 23:42:36 +00:00
Dan Gohman
56c2c54a37 Legalize the shift amount operand of SRL_PARTS, SHL_PARTS, and 
SRA_PARTS, as is done for SRL, SHL, and SRA.

llvm-svn: 79380
 2009-08-18 23:36:17 +00:00
Daniel Dunbar
85b15d8e71 raw_ostream: Reduce FormattedStream's reliance on raw_ostream's implementation. 
- Kill off begin(), end(), and iterator. It isn't clear what these
   mean. Instead provide getBufferStart(), which can be used with
   GetNumBytesInBuffer to the same effect.

 - Update ComputeColumn to take arguments for the buffer to scan, this
   simplifies the implementation of write_impl substantially.

 - This should also fix possible problems with the scanning pointer pointing
   outside of the current raw_ostream buffer.

llvm-svn: 79379
 2009-08-18 23:36:04 +00:00
Lang Hames
0e2ecec9f9 Changes DOUT references in the PBQP allocator to use DEBUG(errs() ...) 
llvm-svn: 79378
 2009-08-18 23:34:50 +00:00
Eric Christopher
32d5222c4e Implement sse4.2 string/text processing instructions: 
Add patterns and instruction encoding information.
Add custom lowering to deal with hardwired return register of
uncertain type (xmm0).

llvm-svn: 79377
 2009-08-18 22:50:32 +00:00
Tanya Lattner
89d661628a First steps to document new release plan. 
llvm-svn: 79376
 2009-08-18 22:33:28 +00:00
Daniel Dunbar
8a23b8621a Speed up raw_ostream::<<(unsigned long long) for 32-bit systems by doing most 
div/mods in 32-bits.

llvm-svn: 79375
 2009-08-18 22:24:00 +00:00
Jakob Stoklund Olesen
9496240bbf Simplify RegScavenger::FindUnusedReg. 
- Drop the Candidates argument and fix all callers. Now that RegScavenger
  tracks available registers accurately, there is no need to restict the
  search.
- Make sure that no aliases of the found register are in use. This was a potential bug.

llvm-svn: 79369
 2009-08-18 21:14:54 +00:00
Richard Osborne
a3a49aeee0 Add support for mergeable sections back into the XCore backend. 
llvm-svn: 79368
 2009-08-18 21:14:31 +00:00
Dan Gohman
1d84247c99 Fix a bug in raw_ostream::write(char) introduced by the change to 
allow underlying stream classes to decline buffering. After
calling SetBuffered(), re-check whether the stream is Unbuffered
in order to handle the case where the underlying stream has
declined buffering.

llvm-svn: 79362
 2009-08-18 20:09:59 +00:00
Daniel Dunbar
5aa51a83c7 Revert r78924, disabling buffering defeats all the fast paths in raw_ostream. 
llvm-svn: 79361
 2009-08-18 20:07:36 +00:00
Daniel Dunbar
d334c67f60 Improve Triple to recognize the OS in i386-mingw32. 
llvm-svn: 79359
 2009-08-18 19:26:55 +00:00
David Greene
4347d5d424 Make various changes suggested by Chris. 
llvm-svn: 79358
 2009-08-18 19:22:55 +00:00