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17742 Commits

Author SHA1 Message Date
Evan Cheng
2c3e4ab3a6 Bug fix. Not advancing the register scavenger iterator correctly. 
llvm-svn: 35020
 2007-03-08 02:55:08 +00:00
Reid Spencer
c3f0724204 For PR1205: 
Provide an APIntified version of MaskedValueIsZero. This will (temporarily)
cause a "defined but not used" message from the compiler. It will be used
in the next patch in this series.

Patch by Sheng Zhou.

llvm-svn: 35019
 2007-03-08 01:52:58 +00:00
Reid Spencer
6a924d1a1d For PR1205: 
Add a new ComputeMaskedBits function that is APIntified. We'll slowly
convert things over to use this version. When its all done, we'll remove
the existing version.

llvm-svn: 35018
 2007-03-08 01:46:38 +00:00
Evan Cheng
c79408b032 For Darwin, put constant data into .const, .const_data, .literal{4|8|16} 
sections.

llvm-svn: 35017
 2007-03-08 01:25:25 +00:00
Evan Cheng
14b63d89c1 Put constant data to .const, .const_data, .literal{4|8|16} sections. 
llvm-svn: 35016
 2007-03-08 01:07:07 +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
Evan Cheng
51c3e53eb7 Only safe to use a call-clobbered or spilled callee-saved register as scratch register. 
llvm-svn: 35010
 2007-03-07 20:30:36 +00:00
Bill Wendling
8f49ba1000 Remove useless pattern fragments. 
llvm-svn: 35009
 2007-03-07 18:23:09 +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
Anton Korobeynikov
a24b167902 Cleanup: make SetCounter an instance variable 
llvm-svn: 35007
 2007-03-07 08:25:02 +00:00
Evan Cheng
2f55532e84 Avoid combining indexed load further. 
llvm-svn: 35005
 2007-03-07 08:07:03 +00:00
Devang Patel
6a56e3c1a0 Now IndVarSimplify is a LoopPass. 
llvm-svn: 35003
 2007-03-07 06:39:01 +00:00
Bill Wendling
3c201ddd02 Properly support v8i8 and v4i16 types. It now converts them to v2i32 for 
load and stores.

llvm-svn: 35002
 2007-03-07 05:43:18 +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
493960579f ARM always use register scavenger. No longer reserves R12. 
llvm-svn: 34999
 2007-03-07 02:46:23 +00:00
Evan Cheng
4e01b11512 Fix some brittle code. Watch out for cases where register scavenger is pointing to deleted instructions. 
llvm-svn: 34998
 2007-03-07 02:38:05 +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
Evan Cheng
9839628fd1 Fix one more Thumb eliminateFrameIndex bug. 
llvm-svn: 34990
 2007-03-07 00:12:18 +00:00
Reid Spencer
012677ae92 Fix all of last night's JIT failures in Prolangs-C++ by finishing the 
implementation of getConstantValue().

llvm-svn: 34988
 2007-03-06 22:23:15 +00:00
Evan Cheng
63ffd3e17f Register scavenging is now on by default for ARM. 
llvm-svn: 34987
 2007-03-06 22:02:53 +00:00
Evan Cheng
6453ad00d2 Make load / store optimizer use register scavenger. 
llvm-svn: 34986
 2007-03-06 21:59:20 +00:00
Evan Cheng
49e8bd5e17 Minor bug fix. 
llvm-svn: 34985
 2007-03-06 21:58:15 +00:00
Devang Patel
0b82378a28 Now LoopStrengthReduce is a LoopPass. 
llvm-svn: 34984
 2007-03-06 21:14:09 +00:00
Chris Lattner
cf70993bba big endian 32-bit systems (e.g. ppc32) want to return the high reg first, not 
the lo-reg first.  This is fallout from my ppc calling conv change yesterday,
it fixes test/ExecutionEngine/2003-05-06-LivenessClobber.llx

llvm-svn: 34983
 2007-03-06 20:01:06 +00:00
Devang Patel
bee9c51214 Insert loop into LQ before visiting children. 
llvm-svn: 34982
 2007-03-06 19:50:49 +00:00
Anton Korobeynikov
42d0886ca0 Small eye-candy: use asciz directive everywhere, where possible. 
llvm-svn: 34981
 2007-03-06 19:25:02 +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
Bill Wendling
a02d43fbbd Add LOAD/STORE support for MMX. 
llvm-svn: 34978
 2007-03-06 18:53:42 +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
Evan Cheng
228403bfcb Code clean up. Prepare to use register scavenger. 
llvm-svn: 34976
 2007-03-06 18:02:41 +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
7c90fb2d67 Scavenge a register using the register scavenger when needed. 
llvm-svn: 34966
 2007-03-06 10:03:56 +00:00
Evan Cheng
73678177cd If target decides to create an emergency spill slot, make sure it's closest to SP or frame pointer. 
llvm-svn: 34965
 2007-03-06 10:02:38 +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
6da6c8c48b Use new SDIselParamAttr enumeration. This removes "magick" constants 
from formal attributes' flags processing.

llvm-svn: 34963
 2007-03-06 08:12:33 +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
cab64ae896 1. Make StoreValueToMemory a little more efficient by not requiring caller 
to make a copy of the GenericValue.
2. Fix a copy & paste bug in StoreValueToMemory where 64-bit values were
   truncated to 32

llvm-svn: 34958
 2007-03-06 05:03:16 +00:00
Reid Spencer
5816281df1 Fix some thinko's in the last patch. PtrSize has to be in bits and we 
might need to zext not just trunc the value.

llvm-svn: 34955
 2007-03-06 03:46:41 +00:00
Reid Spencer
854b342a38 Fix a bug in IntToPtr. Truncating to 64-bits only works if the integer 
is larger. Adjust so that it truncates to pointer width, only if necessary.

llvm-svn: 34954
 2007-03-06 03:41:50 +00:00
Reid Spencer
3b08509917 Simplify code as a result of the change in GenericValue to have a single 
integer field of type APInt instead of different sized integer fields.

llvm-svn: 34952
 2007-03-06 03:11:31 +00:00
Reid Spencer
d333ccc051 Radically simplify execution. This patch gets rid of all the special 
handling for integer of various sizes. GenericValue now has just a single
integer field of type APInt. We use its facilities directly in the
execution of all instructions.

llvm-svn: 34951
 2007-03-06 03:09:31 +00:00
Reid Spencer
ccb2a63443 Adjust and simplify external function processing now that GenericValue has 
a single integer field of type APInt.

llvm-svn: 34950
 2007-03-06 03:08:12 +00:00