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1008 Commits

Author SHA1 Message Date
Chris Lattner
a764d77ed3 Oops, this was not to go in 
llvm-svn: 13958
 2004-06-02 06:06:45 +00:00
Chris Lattner
ee2687a351 Adjust to the new TargetMachine interface 
llvm-svn: 13957
 2004-06-02 06:06:20 +00:00
Chris Lattner
0046ea7105 Adjust to new TargetMachine interface 
llvm-svn: 13956
 2004-06-02 05:57:12 +00:00
Chris Lattner
1dbe919e91 Inline findOptimalStorageSize into it's caller, both of which are sparc specific 
llvm-svn: 13955
 2004-06-02 05:56:52 +00:00
Chris Lattner
7d6b37af05 Finegrainify namespacification 
llvm-svn: 13948
 2004-06-02 04:28:06 +00:00
Chris Lattner
98a6bb89cf Fix a trivial but blatant bug 
llvm-svn: 13947
 2004-06-02 03:57:43 +00:00
Alkis Evlogimenos
f410424283 Pull Interval class out of LiveIntervals. 
llvm-svn: 13910
 2004-05-30 07:46:27 +00:00
Alkis Evlogimenos
2598a63586 When spilling an register, introduce a new temporary for each of its 
spills. This allows for more flexibility when allocating registers for
spill code.

llvm-svn: 13907
 2004-05-30 07:24:39 +00:00
Brian Gaeke
2281858cf6 Fix typo in head-of-file comment. 
llvm-svn: 13903
 2004-05-30 03:33:48 +00:00
Alkis Evlogimenos
516e16441b Add method to assign stack slot to virtual register without creating a 
new one.

llvm-svn: 13895
 2004-05-29 20:38:05 +00:00
Alkis Evlogimenos
c5923ac8b1 Add grow() member that grows the maps when the number of virtual 
registers in the function has changed.

llvm-svn: 13893
 2004-05-29 19:03:29 +00:00
Alkis Evlogimenos
d50a5109ff Remove defs vector from live intervals. 
llvm-svn: 13892
 2004-05-29 16:18:57 +00:00
Tanya Lattner
a275dfcce4 updates to ModuloSched 
llvm-svn: 13881
 2004-05-28 20:14:12 +00:00
Tanya Lattner
8c5d9dcc42 Adding scheduling class. 
llvm-svn: 13783
 2004-05-26 06:27:36 +00:00
Tanya Lattner
bd1298d574 Updating my cvs versions. THis is still in progress and much will be changed. 
llvm-svn: 13782
 2004-05-26 06:27:18 +00:00
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