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25173 Commits

Author SHA1 Message Date
Evan Cheng
39a819027c Fix indentation. 
llvm-svn: 57508
 2008-10-14 17:15:39 +00:00
Evan Cheng
91528965e7 Optimize anding of two fcmp into a single fcmp if the operands are the same. e.g. uno && ueq -> ueq 
ord && olt -> olt
     ord && ueq -> oeq

llvm-svn: 57507
 2008-10-14 17:15:11 +00:00
Nuno Lopes
08a1a82acc little optimization: reuse getPointerToGlobalIfAvailable(CGV) value in emitGlobals() 
llvm-svn: 57484
 2008-10-14 10:04:52 +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
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
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
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
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
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
Chris Lattner
16c0109fd4 calls can be supported. 
llvm-svn: 57428
 2008-10-13 01:59:13 +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
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
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
Owen Anderson
d724368eeb Duncan convinced me that it's not possible to transform control-based escapes into 
data-based ones.  Just be conservative when analyzing control-based escapes.

llvm-svn: 57400
 2008-10-12 03:59:45 +00:00
Chris Lattner
3c8eace4da fix typo 
llvm-svn: 57388
 2008-10-11 23:59:03 +00:00
Chris Lattner
7a61ef92f5 Fix PR2697 by rewriting the '(X / pos) op neg' logic. This also changes 
a couple other cases for clarity, but shouldn't affect correctness.

Patch by Eli Friedman!

llvm-svn: 57387
 2008-10-11 22:55:00 +00:00
Chris Lattner
7910d59d44 Change CALLSEQ_BEGIN and CALLSEQ_END to take TargetConstant's as 
parameters instead of raw Constants.  This prevents the constants from
being selected by the isel pass, fixing PR2735.

llvm-svn: 57385
 2008-10-11 22:08:30 +00:00
Chris Lattner
3d1cdfc99e rearrange some code. 
llvm-svn: 57384
 2008-10-11 22:07:19 +00:00
Duncan Sands
f175d9eae0 Fix comment typo. 
llvm-svn: 57381
 2008-10-11 19:34:24 +00:00
Anton Korobeynikov
d8b3e6f0ce Add ability to override segment (mostly for code emitter purposes). 
llvm-svn: 57380
 2008-10-11 19:09:15 +00:00
Daniel Dunbar
73ceb8010b Unbreak DbgStopPointInst::getFileName(). 
llvm-svn: 57373
 2008-10-11 06:40:56 +00:00
Chris Lattner
2f2ef3f25f simplify comparison 
llvm-svn: 57371
 2008-10-11 00:08:02 +00:00
Dale Johannesen
03d0a7d70c Fix SSE4.1 roundss, roundsd. While the instructions have 
the same pattern as roundpd/roundps, the Intel compiler 
builtins do not:  rounds* has an extra operand.  Fixes
gcc.target/i386/sse4_1-rounds[sd]-[1234].c

llvm-svn: 57370
 2008-10-10 23:51:03 +00:00
Devang Patel
255fee3bce Check loop exit predicate properly while eliminating one iteration loop. 
This patch fixes PR 2869

llvm-svn: 57369
 2008-10-10 22:02:57 +00:00
Anton Korobeynikov
e44fccb2f0 Fix a thinko and unbreak sparc default CC 
llvm-svn: 57368
 2008-10-10 21:47:37 +00:00
Dale Johannesen
0c6ea38b92 Remove some overzealous checks that were rejecting 
valid comments in inline assembly.
gcc.target/i386/20011009-1.c

llvm-svn: 57365
 2008-10-10 21:04:42 +00:00
Anton Korobeynikov
f5398df73c Extend set of return registers on sparc until someone will implement MRV support there. At least, this will allow libgcc compile, however we are not ABI-compatible with stuff compiled with native gcc. 
llvm-svn: 57364
 2008-10-10 20:30:14 +00:00
Anton Korobeynikov
1ead869e67 Ignore extra 'r' modifier for now 
llvm-svn: 57363
 2008-10-10 20:29:50 +00:00
Anton Korobeynikov
ffdc3498b4 Use expand for smul_lohi for now 
llvm-svn: 57362
 2008-10-10 20:29:31 +00:00
Anton Korobeynikov
8ed548b24a Add rudimentary support for 'r' register operand 
llvm-svn: 57359
 2008-10-10 20:28:10 +00:00
Anton Korobeynikov
ba8bb3e12f Cleanup 
llvm-svn: 57358
 2008-10-10 20:27:31 +00:00
Oscar Fuentes
32e927030e CMake: updated lib/Analysis/CMakeLists.txt. 
llvm-svn: 57357
 2008-10-10 18:51:36 +00:00
Mon P Wang
dc1aa21e4e Revert r57340 move guard mutex in getPointerToFunction as this can cause 
deadlock issues with java

llvm-svn: 57356
 2008-10-10 18:07:10 +00:00
Nuno Lopes
cc4f37aa68 fix memleak by cleaning the global sets on pass exit 
llvm-svn: 57353
 2008-10-10 16:25:50 +00:00
Anton Korobeynikov
6054846989 Add rudimentary asmprinter support for printing inline asm operands for sparc. 
llvm-svn: 57346
 2008-10-10 10:15:03 +00:00
Anton Korobeynikov
a12d563611 Add dummy 'm' inline asm constraint handler for Sparc. I'm not sure, whether it is correct, however :) 
llvm-svn: 57345
 2008-10-10 10:14:47 +00:00
Anton Korobeynikov
8cfd14b138 Cleanup 
llvm-svn: 57344
 2008-10-10 10:14:15 +00:00
Owen Anderson
5a5a9162e6 Add a basic intra-procedural escape analysis. This hasn't be extensively tested yet, but feedback is welcome. 
llvm-svn: 57342
 2008-10-10 08:36:25 +00:00
Mon P Wang
6c79c8e822 Moved guard mutex upwards to guard materializing a function 
in getPointerToFunction

llvm-svn: 57340
 2008-10-10 01:47:42 +00:00
Mon P Wang
3b3ab0fa30 Added missing print functions that take a raw_ostream 
llvm-svn: 57339
 2008-10-10 01:43:55 +00:00
Dale Johannesen
cc34c2da3a Generated files for previous checkin. 
llvm-svn: 57331
 2008-10-09 23:01:34 +00:00
Dale Johannesen
075a62519f Add a "loses information" return value to APFloat::convert 
and APFloat::convertToInteger.  Restore return value to
IEEE754.  Adjust all users accordingly.

llvm-svn: 57329
 2008-10-09 23:00:39 +00:00
Dale Johannesen
9e57068854 Rename APFloat::convertToAPInt to bitcastToAPInt to 
make it clearer what the function does.  No functional
change.

llvm-svn: 57325
 2008-10-09 18:53:47 +00:00
Nick Lewycky
843c7dfe05 Don't drop alignment on globals when cloning. 
llvm-svn: 57320
 2008-10-09 06:27:14 +00:00