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5015 Commits

Author SHA1 Message Date
Reid Spencer
17f3eeaf48 For PR1145: 
Add the NoUnwindAttribute to allow explicit marking of functions that do
not unwind the stack via the unwind instruction. This is akin to gcc's
NoThrow attribute and used for optimizing exception handling.

llvm-svn: 35250
 2007-03-22 00:32:02 +00:00
Reid Spencer
76c1fef30a Fix a comment. 
llvm-svn: 35246
 2007-03-21 22:22:19 +00:00
Dale Johannesen
44c0a5d545 repair x86 performance, dejagnu problems from previous change 
llvm-svn: 35245
 2007-03-21 21:51:52 +00:00
Dale Johannesen
3e422e3b49 do not share old induction variables when this would result in invalid 
instructions (that would have to be split later)

llvm-svn: 35227
 2007-03-20 21:54:54 +00:00
Dale Johannesen
50a22f6fe6 maintain LiveIn when splitting blocks (register scavenging needs it) 
llvm-svn: 35226
 2007-03-20 21:35:06 +00:00
Devang Patel
19dae84536 LoopSimplify::FindPHIToPartitionLoops() 
Use ETForest instead of DominatorSet.

llvm-svn: 35222
 2007-03-20 20:19:48 +00:00
Evan Cheng
0176b9859d First cut trivial re-materialization support. 
llvm-svn: 35208
 2007-03-20 08:13:50 +00:00
Evan Cheng
41f4f032ee Added MRegisterInfo hook to re-materialize an instruction. 
llvm-svn: 35205
 2007-03-20 08:09:38 +00:00
Zhou Sheng
a9c0018850 Correct the name: isStrictPositive --> isStrictlyPositive. 
llvm-svn: 35201
 2007-03-20 02:18:16 +00:00
Chris Lattner
305c3525af Add a dtor to fix leaks from all clients of BitVector. 
llvm-svn: 35200
 2007-03-20 02:10:56 +00:00
Reid Spencer
7d20e42a97 Allow ConstantInt::get(Ty, uint64_t) to interpret the 64-bit values as a 
negative number. This is needed to fix test/Assembler/2007-03-19-NegValue.ll

llvm-svn: 35181
 2007-03-19 20:39:08 +00:00
Reid Spencer
c3422e56d6 Add an indication of signedness to the uint64_t constructor so sign bits 
can be extended. This helps fix test/Assembler/2007-03-19-NegValue.ll

llvm-svn: 35179
 2007-03-19 20:36:48 +00:00
Duncan Sands
90c42a15d5 Fix obvious typo in comment. 
llvm-svn: 35164
 2007-03-19 14:25:02 +00:00
Evan Cheng
2081cf96ed Add a TargetInstrDescriptor flag to mark an instruction as "re-materializable". 
It means the instruction can be easily re-materialized at any point. e.g.
constant generation, load from constantpool.

llvm-svn: 35158
 2007-03-19 06:19:16 +00:00
Zhou Sheng
6ecf1045a6 Add isStrictPositive() to APInt to determine if this APInt Value > 0. 
llvm-svn: 35156
 2007-03-19 05:22:18 +00:00
Evan Cheng
1d943badac Fix comment. 
llvm-svn: 35139
 2007-03-18 03:26:04 +00:00
Evan Cheng
5be8544e8a Track the BB's where each virtual register is used. 
llvm-svn: 35135
 2007-03-17 09:29:54 +00:00
Evan Cheng
ce8b779c6c Added isLegalAddressExpression hook to test if the given expression can be 
folded into target addressing mode for the given type.

llvm-svn: 35121
 2007-03-16 08:42:32 +00:00
Evan Cheng
0408dc0d37 These forward declarations are not needed. 
llvm-svn: 35120
 2007-03-16 08:41:06 +00:00
Bill Wendling
feaff80149 Multiplication support for MMX. 
llvm-svn: 35118
 2007-03-15 21:24:36 +00:00
Jeff Cohen
b19ec59b5c Fix for VS 2005 problem supplied by Morten Ofstad. 
llvm-svn: 35098
 2007-03-14 15:25:21 +00:00
Zhou Sheng
dfcf9376bc Add zextOrCopy() into APInt for convenience. 
llvm-svn: 35079
 2007-03-13 06:16:26 +00:00
Evan Cheng
f132fa5bba More flexible TargetLowering LSR hooks for testing whether an immediate is 
a legal target address immediate or scale.

llvm-svn: 35071
 2007-03-12 23:26:27 +00:00
Zhou Sheng
9643d0a422 Add getSignBit() and operator<<= into APInt for convenience. 
llvm-svn: 35059
 2007-03-11 07:16:10 +00:00
Nick Lewycky
2af4a3ab17 Add getter methods for the extremes of a ConstantRange. 
llvm-svn: 35056
 2007-03-10 15:54:12 +00:00
Bill Wendling
236cfc4344 Adding more arithmetic operators to MMX. This is an almost exact copy of 
the addition. Please let me know if you have suggestions.

llvm-svn: 35055
 2007-03-10 09:57:05 +00:00
Bill Wendling
5fef3fd7e7 Added "padd*" support for MMX. Added MMX move stuff to X86InstrInfo so that 
moves, loads, etc. are recognized.

llvm-svn: 35031
 2007-03-08 22:09:11 +00:00
Evan Cheng
6bf2f3665e Add ReadOnlySection directive. 
llvm-svn: 35015
 2007-03-08 01:00:38 +00:00
Evan Cheng
7513c95267 Added ContainsRelocations() to check if a constant might only be resolvable at load time. 
llvm-svn: 35014
 2007-03-08 00:59:12 +00:00
Anton Korobeynikov
85d6c1ebad Refactoring of formal parameter flags. Enable properly use of 
zext/sext/aext stuff.

llvm-svn: 35008
 2007-03-07 16:25:09 +00:00
Evan Cheng
d4fb00bb6b Add a utility function to test whether a load is unindexed. 
llvm-svn: 35004
 2007-03-07 08:04:41 +00:00
Devang Patel
6a56e3c1a0 Now IndVarSimplify is a LoopPass. 
llvm-svn: 35003
 2007-03-07 06:39:01 +00:00
Devang Patel
16107bb71b Now LICM is a LoopPass. 
llvm-svn: 35001
 2007-03-07 04:41:30 +00:00
Anton Korobeynikov
090c2d50ea Fix DWARF debugging information on x86/Linux and (hopefully) 
Mingw32/Cygwin targets. This fixes PR978

llvm-svn: 35000
 2007-03-07 02:47:57 +00:00
Evan Cheng
4161981d63 Add skipTo to set internal iterator. Useful when pointed to instruction is deleted. 
llvm-svn: 34997
 2007-03-07 02:36:16 +00:00
Devang Patel
3a24891f80 Now LoopUnroll is a LoopPass. 
llvm-svn: 34996
 2007-03-07 01:38:05 +00:00
Devang Patel
c35610b9f9 Now LoopUnswitch is a LoopPass. 
llvm-svn: 34992
 2007-03-07 00:26:10 +00:00
Devang Patel
0b82378a28 Now LoopStrengthReduce is a LoopPass. 
llvm-svn: 34984
 2007-03-06 21:14:09 +00:00
Devang Patel
57322d0462 Use schedulePass() instead of assignPassManager() to add new LPPassManager. 
This ensures that require analysis info is available.

llvm-svn: 34980
 2007-03-06 19:11:25 +00:00
Devang Patel
b44e86318e Add LPPassManager::insertLoop(). 
llvm-svn: 34979
 2007-03-06 19:00:02 +00:00
Devang Patel
8490ffbcdc LPPassManager::deleteLoopFromQueue() add meat. Cut-n-paste code from 
LoopUnswitch pass.

llvm-svn: 34977
 2007-03-06 18:38:33 +00:00
Devang Patel
d3cf506865 LPPassManager. Implement preparePassManager() hook. 
llvm-svn: 34975
 2007-03-06 17:59:37 +00:00
Devang Patel
b9e705f09e Keep track of higher level analysis. 
llvm-svn: 34974
 2007-03-06 17:52:53 +00:00
Devang Patel
e3abf559e5 LPPassManager : Add initialization and finalizatino hooks. 
llvm-svn: 34968
 2007-03-06 16:59:03 +00:00
Evan Cheng
b0c0d22f30 Minor interface change. 
llvm-svn: 34967
 2007-03-06 10:05:14 +00:00
Evan Cheng
077516f441 Register scavenger is now capable of scavenging. It spills a register whose use of furthest away to make it available. 
llvm-svn: 34964
 2007-03-06 10:01:25 +00:00
Anton Korobeynikov
4558f01db9 Enumerate SDISel formal parameter attributes. Make use of new 
enumeration.

llvm-svn: 34960
 2007-03-06 06:10:33 +00:00
Anton Korobeynikov
d0375d0852 Implement PR1240 
llvm-svn: 34959
 2007-03-06 05:32:48 +00:00
Reid Spencer
564f193ad0 Make StoreValueToMemory a little more efficient by not copying a 
GenericValue to a temporary.

llvm-svn: 34957
 2007-03-06 05:02:28 +00:00
Reid Spencer
b5e0b0bc5e Make GenericeValue into a struct with a union instead of just a union. This 
allows an APInt value to be constructed. Remove all the native integer types
from the union. These are replaced with the single IntVal of type APInt.

llvm-svn: 34945
 2007-03-06 03:01:54 +00:00