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Author SHA1 Message Date
Nuno Lopes
08a1a82acc little optimization: reuse getPointerToGlobalIfAvailable(CGV) value in emitGlobals() 
llvm-svn: 57484
 2008-10-14 10:04:52 +00:00
Duncan Sands
8fe4eac94c Mention the different constant folders that IRBuilder 
can use.

llvm-svn: 57483
 2008-10-14 07:06:37 +00:00
Chris Lattner
5d6b61c4c8 new testcase for PR2797 
llvm-svn: 57481
 2008-10-14 06:56:04 +00:00
Chris Lattner
62d852d53a add some upgrading notes from Pekka. 
llvm-svn: 57480
 2008-10-14 06:37:11 +00:00
Chris Lattner
9e1db7e761 add LSR and frameaddress info. 
llvm-svn: 57478
 2008-10-14 06:02:29 +00:00
Ted Kremenek
158e2c546d Add static analyzer notes. 
llvm-svn: 57475
 2008-10-14 05:14:21 +00:00
Chris Lattner
222e130ee3 more minor updates 
llvm-svn: 57472
 2008-10-14 00:52:49 +00:00
Chris Lattner
f7e94f363f more changes. 
llvm-svn: 57470
 2008-10-13 22:06:31 +00:00
Chris Lattner
27789db2ca optimizer and codegen 
llvm-svn: 57468
 2008-10-13 21:50:36 +00:00
Chris Lattner
5aa4dedd28 more updates. 
llvm-svn: 57466
 2008-10-13 20:59:32 +00:00
Dan Gohman
e08e0dcfcc When doing the very-late shift-and address-mode optimization, 
create a new DAG node to represent the new shift to keep the
DAG consistent, even though it'll almost always be folded into
the address.

If a user of the resulting address has multiple uses, the
nodes may get revisited by a later MatchAddress call, in which
case DAG inconsistencies do matter.

This fixes PR2849.

llvm-svn: 57465
 2008-10-13 20:52:04 +00:00
Chris Lattner
ba8f9fff79 describe major new features and llvm-gcc features. 
llvm-svn: 57463
 2008-10-13 20:47:20 +00:00
Duncan Sands
a119167d74 Don't barf on 32 bit platforms if llvm-gcc is 
not built with 64 bit support.  Since this test
passes without -m64 on x86-32-linux, just remove
the -m64.

llvm-svn: 57462
 2008-10-13 19:56:36 +00:00
Evan Cheng
de99d94c58 FIX PR2794. Make sure SIGN_EXTEND_INREG nodes introduced by LegalizeSetCCOperands are leglized. Patch by Richard Pennington. 
llvm-svn: 57460
 2008-10-13 18:46:18 +00:00
Duncan Sands
3040939c64 MarkModRef -> AddReadAttrs. 
llvm-svn: 57459
 2008-10-13 18:42:43 +00:00
Evan Cheng
731f400eac Also update sub-register intervals after a trivial computation is rematt'ed for a copy instruction. PR2775. 
llvm-svn: 57458
 2008-10-13 18:35:52 +00:00
Duncan Sands
4229c0774f Add some llvm-gcc changes that may be worth 
detailing.

llvm-svn: 57457
 2008-10-13 18:33:28 +00:00
Evan Cheng
023b124109 Add a test case for _Complex passed as a FCA. 
llvm-svn: 57456
 2008-10-13 18:13:07 +00:00
Chris Lattner
16dcbb1369 give the static analyzer its own section. 
llvm-svn: 57455
 2008-10-13 18:11:54 +00:00
Chris Lattner
c842574c62 more rearranging. 
llvm-svn: 57453
 2008-10-13 18:01:01 +00:00
Chris Lattner
8b69de4186 move major changes down. 
llvm-svn: 57452
 2008-10-13 17:57:36 +00:00
Duncan Sands
b2532b4e00 Fix typo. Add note on trampoline support. 
llvm-svn: 57450
 2008-10-13 17:32:15 +00:00
Evan Cheng
a056deb8b1 Clarify meaning of copyRegToReg's return value. 
llvm-svn: 57449
 2008-10-13 17:30:56 +00:00
Duncan Sands
13eb8e7bcd Update the Ada part. 
llvm-svn: 57447
 2008-10-13 17:27:23 +00:00
Chris Lattner
bfa49da29b final note. 
llvm-svn: 57446
 2008-10-13 17:12:51 +00:00
Chris Lattner
5dffd42d1b fix some crazily long lines. 
llvm-svn: 57444
 2008-10-13 16:55:18 +00:00
Matthijs Kooijman
b86d48c717 Make InstructionCombining::getBitCastOperand() recognize GEP instructions and 
constant expression with all zero indices as being the same as a bitcast.

llvm-svn: 57442
 2008-10-13 15:17:01 +00:00
Matthijs Kooijman
5d8f1a58b3 Improve the description on the getelementptr instruction. It should now better 
define what the instruction does. This also makes it clear that getelementptr
can index into a vector type.

llvm-svn: 57440
 2008-10-13 13:44:15 +00:00
Matthijs Kooijman
1ea1008e1f * Make TargetLowering not crash when TargetMachine::getTargetAsmInfo() returns 
null. This assumes that any target that does not have AsmInfo, does not
   support "LocAndDot".

llvm-svn: 57438
 2008-10-13 12:41:46 +00:00
Matthijs Kooijman
28ae70be64 Make MachineFunction not crash when TargetMachine::getRegisterInfo() returns 
NULL, but just hide some debug output then.

llvm-svn: 57437
 2008-10-13 12:37:16 +00:00
Gabor Greif
86742bf679 fix typo's 
llvm-svn: 57435
 2008-10-13 10:28:12 +00:00
Gabor Greif
d9cedf70c7 remove a deprecated internal interface 
llvm-svn: 57434
 2008-10-13 10:25:27 +00:00
Gabor Greif
5f75f1372e do not use deprecated interfaces 
llvm-svn: 57433
 2008-10-13 10:21:17 +00:00
Nick Lewycky
ed4cd79ffc Disallow the construction of SCEVs with could-not-compute operands. Catch CNCs 
returned by BinomialCoefficient and don't try to operate with them. This
replaces the previous fix for PR2857.

llvm-svn: 57431
 2008-10-13 03:58:02 +00:00
Mikhail Glushenkov
368e89a378 Add whitespace before a parenthesis. 
llvm-svn: 57430
 2008-10-13 02:46:01 +00:00
Mikhail Glushenkov
2f42d3fe46 Add a note on llvmc2 plugins + remove some trailing whitespace (my Emacs does this automatically). 
llvm-svn: 57429
 2008-10-13 02:08:34 +00:00
Chris Lattner
16c0109fd4 calls can be supported. 
llvm-svn: 57428
 2008-10-13 01:59:13 +00:00
Chris Lattner
6fb7bbb4a7 more notes 
llvm-svn: 57427
 2008-10-12 22:57:58 +00:00
Dale Johannesen
7fbfe2a371 Change TAG_ names to DW_TAG for gcc (testsuite) compatibility. 
llvm-svn: 57425
 2008-10-12 21:23:01 +00:00
Owen Anderson
dbb4904467 Fix a bug in live-in detection that caused lost-copy problems to show up. 
llvm-svn: 57424
 2008-10-12 20:39:30 +00:00
Chris Lattner
2e4842efdd add some more notes 
llvm-svn: 57423
 2008-10-12 19:47:48 +00:00
Chris Lattner
7e58510a50 this was to be removed after 2.4 branched. 
llvm-svn: 57422
 2008-10-12 18:57:09 +00:00
Dale Johannesen
123ca42f2c Remove "long" variants so these will pass on a 64-bit host. 
llvm-svn: 57418
 2008-10-12 18:40:49 +00:00
Chris Lattner
f5f57888f4 add some notes 
llvm-svn: 57416
 2008-10-12 18:30:33 +00:00
Anton Korobeynikov
6204f4ac43 Update size of inst correctly with segment override. 
llvm-svn: 57414
 2008-10-12 10:30:11 +00:00
Owen Anderson
fe70fff286 Add special-case code to allow null-guards on calls to malloc. 
llvm-svn: 57413
 2008-10-12 08:10:46 +00:00
Owen Anderson
86d9a902dc Make Escape Analysis work for any pointer. 
llvm-svn: 57412
 2008-10-12 07:33:29 +00:00
Owen Anderson
ec151a1875 Add EscapeAnalysis. 
llvm-svn: 57411
 2008-10-12 06:49:21 +00:00
Dale Johannesen
2d23786266 Change Dwarf comments starting with AT_ to DW_AT_ to 
match gcc.  Helps with the testsuite.

llvm-svn: 57410
 2008-10-12 06:20:47 +00:00
Owen Anderson
9b86d152be Fix crashes and infinite loops. 
llvm-svn: 57408
 2008-10-12 06:03:38 +00:00