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31371 Commits

Author SHA1 Message Date
Dale Johannesen
fc8ee02c25 Handle 'a' modifier in X86 asms. PR 4742. 
llvm-svn: 79484
 2009-08-19 22:44:41 +00:00
Reid Kleckner
cb12d4d677 Fixed error in CPPBackend from a contextification API change. 
llvm-svn: 79483
 2009-08-19 22:38:37 +00:00
David Greene
0658dce9a4 Add missing forward declaration. 
llvm-svn: 79481
 2009-08-19 22:19:44 +00:00
David Greene
a648747919 Add missing includes. 
llvm-svn: 79480
 2009-08-19 22:16:11 +00:00
David Greene
247bd82474 Add missing includes. 
llvm-svn: 79479
 2009-08-19 22:08:26 +00:00
David Greene
e79dd523ab Add missing includes. 
llvm-svn: 79478
 2009-08-19 22:05:21 +00:00
David Greene
270a5f3e14 Add missing includes. 
llvm-svn: 79476
 2009-08-19 22:02:07 +00:00
David Greene
8dfc73dbbf Add missing includes. 
llvm-svn: 79475
 2009-08-19 21:59:18 +00:00
David Greene
1fff843647 Add missing includes. 
llvm-svn: 79474
 2009-08-19 21:55:33 +00:00
David Greene
1df248be05 Add missing includes. 
llvm-svn: 79473
 2009-08-19 21:52:55 +00:00
Owen Anderson
bbc67a90d5 Get rid of a helgrind warning. If this is _actually_ a performance problem, 
we can find a way to cache the answer that isn't racy.

llvm-svn: 79472
 2009-08-19 21:48:34 +00:00
Eli Friedman
fe70446342 Add triple parsing support for TCE. 
llvm-svn: 79461
 2009-08-19 20:46:03 +00:00
Daniel Dunbar
2cf5eb67b4 Switch to SmallString::str from SmallString::c_str, and remove 
SmallString::c_str.

llvm-svn: 79456
 2009-08-19 20:07:03 +00:00
Daniel Dunbar
2411847839 Change ValueSymbolTable to use raw_svector_ostream for string concatenation. 
llvm-svn: 79449
 2009-08-19 19:22:52 +00:00
Daniel Dunbar
115971f6a7 Change raw_svector_ostream to reserve the input buffer if necessary, Ted was 
right.
 - This class turns out to be much more convenient to use if we do this; clients
   can make sure the buffer is always big enough if they care (since our current
   idiom tends to be to use a SmallString<256> for the input to this we should
   generally be avoiding an unnecessary malloc).

Also, add a convenience raw_svector_ostream::str method which flushes the buffer
and returns a StringRef for the vector contents.

llvm-svn: 79446
 2009-08-19 18:40:58 +00:00
Dan Gohman
b19c5b81dd Remove temporary testing code. 
llvm-svn: 79443
 2009-08-19 18:27:08 +00:00
Dan Gohman
e982de2e30 Make SROA and PredicateSimplifier cope if TargetData is not 
available. This is very conservative for now.

llvm-svn: 79442
 2009-08-19 18:22:18 +00:00
Dan Gohman
ba656de4a4 Use hasDefinitiveInitializer() instead of testing the same thing 
by hand, and fix a few places that were using hasInitializer() that
appear to depend on the initializer value.

llvm-svn: 79441
 2009-08-19 18:20:44 +00:00
Dan Gohman
bc59c24278 Canonicalize indices in a constantexpr GEP. If Indices exceed the 
static extents of the static array type, it causes GlobalOpt and
other passes to be more conservative. This canonicalization also
allows the constant folder to add "inbounds" to GEPs.

llvm-svn: 79440
 2009-08-19 18:18:36 +00:00
Dan Gohman
eb6fbd7fd1 Add an x86 peep that narrows TEST instructions to forms that use 
a smaller encoding. These kinds of patterns are very frequent in
sqlite3, for example.

llvm-svn: 79439
 2009-08-19 18:16:17 +00:00
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
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
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
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
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
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
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
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
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