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993 Commits

Author SHA1 Message Date
Tanya Lattner
7cf16701f7 Moved MachineBasicBlock deconstructor to cpp file and removed it from LeakDetector to fix memory leak bug. 
llvm-svn: 13718
 2004-05-24 07:14:35 +00:00
Tanya Lattner
aabaaec037 Added MachineFunction parent* to MachineBasicBlock. Customized ilist template 
to set the parent when a MachineBasicBlock is added to a MachineFunction.

llvm-svn: 13716
 2004-05-24 06:11:51 +00:00
Chris Lattner
f38d51ea42 Eliminate an explicit use of the LLVM basic block, using getParent instead, 
which simplifies the code

llvm-svn: 13707
 2004-05-24 03:44:52 +00:00
Tanya Lattner
55477a5af1 Changed clone to be const. 
Changed copy constructor to set parent, prev, and next pointers to null.

llvm-svn: 13706
 2004-05-24 03:14:18 +00:00
Tanya Lattner
e755fc6689 Fixed up my changes to add support for cloning Machine Instructions. 
llvm-svn: 13665
 2004-05-23 20:58:02 +00:00
Tanya Lattner
2848065a29 Adding support to clone MachineInstr 
llvm-svn: 13661
 2004-05-23 19:35:12 +00:00
Chris Lattner
f29acd5214 Fix a really nasty bug from my changes on Monday to PHIElim. These changes 
broke obsequi and a lot of other things.  It all boiled down to MBB being
overloaded in an inner scope and me confusing it with the one in the outer
scope.  Ugh!

llvm-svn: 13517
 2004-05-12 21:47:57 +00:00
Brian Gaeke
79c7de0723 Start NextMBBNumber out at zero. 
llvm-svn: 13515
 2004-05-12 21:35:23 +00:00
Brian Gaeke
6009468edd Add non-const MachineBasicBlock::getParent() accessor method. 
MBBs start out as #-1. When a MBB is added to a MachineFunction, it
gets the next available unique MBB number. If it is removed from a
MachineFunction, it goes back to being #-1.

llvm-svn: 13514
 2004-05-12 21:35:22 +00:00
Chris Lattner
279d8e8e2d Switch this from using an std::map to using a DenseMap. This speeds up 
phi-elimination from 0.6 to 0.54s on kc++.

llvm-svn: 13454
 2004-05-10 19:17:36 +00:00
Chris Lattner
3fb5488b5e Use a new VRegPHIUseCount to compute uses of PHI values by other phi values 
in the basic block being processed.  This fixes PhiElimination on kimwitu++
from taking 105s to taking a much more reasonable 0.6s (in a debug build).

llvm-svn: 13453
 2004-05-10 19:06:37 +00:00
Chris Lattner
8b57a31ff4 Now that we use an ilist of machine instructions, iterators are more robust 
than before.  Because this is the case, we can compute the first non-phi
instruction once when de-phi'ing a block.  This shaves ~4s off of
phielimination of _Z7yyparsev in kimwitu++ from 109s -> 105s.  There are
still much more important gains to come.

llvm-svn: 13452
 2004-05-10 18:47:18 +00:00
Chris Lattner
b37490a331 Patch to fix PR337. Make sure to mark all aliased physical registers as used 
when we see a read of a register.  This is important in cases like:

AL = ...
AH = ...

   = AX

The read of AX must make both the AL and AH defs live until the use.

llvm-svn: 13444
 2004-05-10 05:12:43 +00:00
Tanya Lattner
57339f67d6 Updating my versions of ModuloScheduling in cvs. Still not complete. 
llvm-svn: 13424
 2004-05-08 16:12:10 +00:00
Alkis Evlogimenos
76be543a64 Add required header 
llvm-svn: 13417
 2004-05-08 03:50:03 +00:00
Alkis Evlogimenos
6022169db7 Remove unneeded header 
llvm-svn: 13416
 2004-05-08 03:49:35 +00:00
Chris Lattner
5f18bec9e6 numeric_limits::infinity() apparently does not work on all systems. As a 
workaround, use the C HUGE_VAL macro instead.

llvm-svn: 13377
 2004-05-06 16:25:59 +00:00
Chris Lattner
c09a94de9e Operate on the Machine CFG instead of on the LLVM CFG 
llvm-svn: 13302
 2004-05-01 21:24:39 +00:00
Chris Lattner
769668c09a Stop LiveVariables from using BasicBlocks as part of the mapping, instead 
use MachineBasicBlocks.  To do this, we traverse the Machine CFG instead of
the LLVM CFG, which is also *MUCH* more efficient by having fewer levels of
indirections and mappings.

llvm-svn: 13301
 2004-05-01 21:24:24 +00:00
Brian Gaeke
1b07a2282a Include SparcV9RegInfo.h instead of TargetRegInfo.h. This serves as a bit of 
documentation that this module needs to be made independent of the
register file description of the current target.

llvm-svn: 13125
 2004-04-23 18:15:46 +00:00
Brian Gaeke
bc25b3b28a Implement emitWordAt() for the debug emitter and the file printer emitter. (I 
am not so sure about the file printer emitter, but the debug emitter change
should be harmless.)

llvm-svn: 13117
 2004-04-23 17:11:13 +00:00
Alkis Evlogimenos
40d8a6802b Fix bug introduced in previous commit. 
llvm-svn: 12872
 2004-04-12 20:26:39 +00:00
Alkis Evlogimenos
38984637d9 Correctly compute spill weights 
llvm-svn: 12869
 2004-04-12 17:39:20 +00:00
Alkis Evlogimenos
bb422833e4 Print def lists a bit more compactly 
llvm-svn: 12866
 2004-04-12 15:57:58 +00:00
Alkis Evlogimenos
f66a23d573 Add definition list to each live interval. 
llvm-svn: 12791
 2004-04-09 18:07:57 +00:00
Chris Lattner
bfe4dd0f90 MBB::remove should not modify the iterator passed in 
llvm-svn: 12572
 2004-03-31 21:59:59 +00:00
Chris Lattner
2cc4a29665 MachineBasicBlock::remove should not modify the iterator passed in 
llvm-svn: 12571
 2004-03-31 21:59:29 +00:00
Alkis Evlogimenos
45cb0b871d Correctly update LiveVariables when an instruction changes 
llvm-svn: 12561
 2004-03-30 22:44:39 +00:00
Brian Gaeke
27be9eb265 Change how the beginnings and ends of MachineFunctions are printed. Get 
rid of the funny cast.

llvm-svn: 12537
 2004-03-29 21:58:31 +00:00
Alkis Evlogimenos
81c6957eab Make the set of fixed (preallocated) intervals be a fixed superset of 
unhandled + handled. So unhandled is now including all fixed intervals
and fixed intervals never changes when processing a function.

llvm-svn: 12462
 2004-03-17 00:48:59 +00:00
Chris Lattner
5541c82383 Fix PR294 
llvm-svn: 12425
 2004-03-16 01:45:55 +00:00
Alkis Evlogimenos
ff9482b664 Change MRegisterInfo::foldMemoryOperand to return the folded 
instruction to make the API more flexible.

llvm-svn: 12386
 2004-03-14 07:19:51 +00:00
Alkis Evlogimenos
0e0433a791 Spill explicit physical register defs as well. 
llvm-svn: 12260
 2004-03-09 08:35:13 +00:00
Alkis Evlogimenos
02e8f14c6a As I wrote in the docs, simple is the default spiller :-) 
llvm-svn: 12189
 2004-03-06 23:08:44 +00:00
Alkis Evlogimenos
467364b706 Add simple spiller. 
llvm-svn: 12188
 2004-03-06 22:38:29 +00:00
Brian Gaeke
aa96ff7926 Make MachineOperand's value named 'contents'. Make really, really sure 
it is always completely initialized and copied.
Also, fix up many comments and asserts.

llvm-svn: 12100
 2004-03-03 19:07:27 +00:00
Alkis Evlogimenos
c4ad8080f7 Add a spiller option to llc. A simple spiller will come soon. When we get CFG in the machine code represenation a global spiller will also be possible. Also document the linear scan register allocator but mark it as experimental for now. 
llvm-svn: 12062
 2004-03-01 23:18:15 +00:00
Alkis Evlogimenos
64e76a0d43 Add the long awaited memory operand folding support for linear scan 
llvm-svn: 12058
 2004-03-01 20:05:10 +00:00
Brian Gaeke
b78f8498f0 TargetCacheInfo has been removed; its only uses were to propagate a constant 
(16) into certain areas of the SPARC V9 back-end. I'm fairly sure the US IIIi's
dcache has 32-byte lines, so I'm not sure where the 16 came from. However, in
the interest of not breaking things any more than they already are, I'm going
to leave the constant alone.

llvm-svn: 12043
 2004-03-01 06:43:29 +00:00
Tanya Lattner
27c08f11bf Adding new Modulo Scheduling graph files. 
llvm-svn: 12031
 2004-03-01 02:50:57 +00:00
Tanya Lattner
55de04447c Removing old graph files with new graph files that I wrote. Updated ModuloScheduling pass, but still in progress. 
llvm-svn: 12030
 2004-03-01 02:50:01 +00:00
Chris Lattner
33b5dd0463 Add an assert 
llvm-svn: 12010
 2004-02-29 22:01:51 +00:00
Chris Lattner
37418d74a1 Add back #include I messed up 
llvm-svn: 12009
 2004-02-29 21:40:53 +00:00
Chris Lattner
b82a16f3a5 Urg, forgot to check this in. 
llvm-svn: 12007
 2004-02-29 21:03:08 +00:00
Chris Lattner
fe38629411 Move the private MachineInstrAnnot.h into a private directory. 
llvm-svn: 12003
 2004-02-29 19:12:51 +00:00
Chris Lattner
b73a182845 Remove use of an ugly header 
llvm-svn: 12002
 2004-02-29 19:04:31 +00:00
Chris Lattner
0acd73e11f Move methods out of .h file 
llvm-svn: 12001
 2004-02-29 19:02:39 +00:00
Chris Lattner
b5f0e162c7 Eliminate the distinction between "real" and "unreal" instructions 
llvm-svn: 11986
 2004-02-29 06:31:16 +00:00
Chris Lattner
8b7ac81d2e int64_t -> int 
llvm-svn: 11977
 2004-02-29 05:07:02 +00:00
Alkis Evlogimenos
ddfd27ff97 Rename member function to be consistent with the rest. 
llvm-svn: 11898
 2004-02-27 06:11:15 +00:00