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2006 Commits

Author SHA1 Message Date
Chris Lattner
6926059d37 Remove long obsolete method. switch instructions are first class entities in the CFG, and have been for a LOOOONG time. 
llvm-svn: 11303
 2004-02-11 01:17:58 +00:00
Chris Lattner
1f4f70425d An initial implementation of an LLVM ProfileInfo class which is designed to 
eventually allow Passes to use profiling information to direct them.

llvm-svn: 11294
 2004-02-10 22:11:42 +00:00
Misha Brukman
5786148df5 Sprinkle liberally with comments, saute with doxygen until readable. 
llvm-svn: 11293
 2004-02-10 21:49:59 +00:00
Misha Brukman
303cf58800 Doxygenify comment. 
llvm-svn: 11292
 2004-02-10 21:48:12 +00:00
Chris Lattner
62da05d3f0 Urg, the X86 backend DOES use virtual register operands. :( 
llvm-svn: 11288
 2004-02-10 21:43:11 +00:00
Chris Lattner
3d33d64f46 Remove and simplify some of the bewildering collection of isFOORegister 
methods which have strangely different semantics in different backends,
and noone knew what any did.

Getting rid of these ALSO allows the dependence of MachineInstr.h on
MRegisterInfo.h to be removed, which makes me much happier, and probably
alkis too.  :)

llvm-svn: 11287
 2004-02-10 21:21:17 +00:00
Chris Lattner
91b2fb2cec Remove some unneeded stuff 
llvm-svn: 11286
 2004-02-10 21:19:49 +00:00
Chris Lattner
0e615e6c20 Eliminate MachineOperand::isPhysicalRegister. The X86 backend should use 
MRegisterInfo::isPhysicalRegister(MO.getReg()) and the Sparc backend should
use isMachineRegister()

llvm-svn: 11279
 2004-02-10 20:42:11 +00:00
Chris Lattner
13d2f3bbc0 Simplify condition, this does not change the predicate at all though 
llvm-svn: 11275
 2004-02-10 20:30:40 +00:00
Misha Brukman
9a4b8f8263 * Added class comments 
* Doxygenified existing comments
* Compactified code to be more consistent

llvm-svn: 11268
 2004-02-10 18:44:16 +00:00
Misha Brukman
78292b3e66 Doxygen-ify comments, make function prototypes more consistent in format. 
llvm-svn: 11259
 2004-02-10 16:39:05 +00:00
Alkis Evlogimenos
56258ab1a2 Add global methods that prevent us from using ilist::iterators as 
random access iterators.

llvm-svn: 11248
 2004-02-09 22:40:50 +00:00
Brian Gaeke
0df4298547 SchedGraph doesn't need to be friends with SchedGraphNodeCommon anymore. 
llvm-svn: 11240
 2004-02-09 18:43:06 +00:00
Chris Lattner
cbd34b2ae6 Now that all of the derived types have disciplined interfaces, we can eliminate 
all of the ad-hoc storage of contained types.  This allows getContainedType to
not be virtual, and allows us to entirely delete the TypeIterator class.

llvm-svn: 11230
 2004-02-09 05:40:24 +00:00
Chris Lattner
4da68e2d7b Increase encapsulation of the StructType class, eliminating the getElementTypes() member 
llvm-svn: 11227
 2004-02-09 04:36:50 +00:00
Chris Lattner
f5a4e33e49 Improve encapsulation in the FunctionType class, by adding param_(iterator/begin/end) 
members, and eliminating the getParamTypes() method, and the associated typedef.

llvm-svn: 11223
 2004-02-09 04:12:57 +00:00
Chris Lattner
fae8ab3088 rename the "exceptional" destination of an invoke instruction to the 'unwind' dest 
llvm-svn: 11202
 2004-02-08 21:44:31 +00:00
Chris Lattner
b0f32183e4 Substantially improve the DSA code by removing 'forwarding' nodes from 
DSGraphs while they are forwarding.  When the last reference to the forwarding
node is dropped, the forwarding node is autodeleted.  This should simplify
removeTriviallyDead nodes, and is only (efficiently) possible because we are
using an ilist of dsnodes now.

llvm-svn: 11175
 2004-02-08 01:27:18 +00:00
Chris Lattner
f3861ce4f6 Switch the Nodes list from being an std::vector<DSNode*> to an ilist<DSNode> 
llvm-svn: 11173
 2004-02-08 00:53:26 +00:00
Chris Lattner
74a99554d1 One of the 'annoying' things about ilists is that the iterators don't behave 
quite the same as for non-intrusive lists of pointers to nodes.  To support
transitioning code bases, add a new 'compatibility' iterator.

llvm-svn: 11172
 2004-02-08 00:51:31 +00:00
Chris Lattner
d9a063c9a2 Change to use iterators instead of direct access 
llvm-svn: 11170
 2004-02-08 00:22:41 +00:00
Chris Lattner
7b3d404e28 Abstract out the Nodes collection. Instead of providing a getNodes() method, 
provide node_begin/end iterators, which are only guaranteed to be
bidirectional, not random access.

llvm-svn: 11165
 2004-02-07 23:57:09 +00:00
Chris Lattner
6e69a5aa5d Actually USE isForwarding method 
llvm-svn: 11160
 2004-02-07 23:02:32 +00:00
Chris Lattner
e37a472ef0 As Alkis pointed out to me, I forgot to commit this... :( 
llvm-svn: 11159
 2004-02-07 22:54:19 +00:00
Brian Gaeke
92affee3e7 Use autoconf answers from config.h (FIXME, should autoconf this file 
directly instead).

Fix LockHolder/MutexLocker typo.

llvm-svn: 11156
 2004-02-06 22:33:17 +00:00
Misha Brukman
b596679737 Fix grammar. 
llvm-svn: 11153
 2004-02-06 18:40:35 +00:00
Alkis Evlogimenos
327426411e Modify the two address instruction pass to remove the duplicate 
operand of the instruction and thus simplify the register allocation.

llvm-svn: 11124
 2004-02-04 22:17:40 +00:00
Brian Gaeke
9ce98a7e9f Include <iosfwd> and <string> instead of <iostream>. 
Take away the default iostream argument of createMachineFunctionPrinterPass(),
at Chris's request.

llvm-svn: 11121
 2004-02-04 21:41:10 +00:00
Chris Lattner
4babe055d3 Check in header file I forgot before. 
llvm-svn: 11115
 2004-02-04 03:59:08 +00:00
Chris Lattner
040ad3afa8 Delete the BasicBlock ctor that only takes a BasicBlock to insert before. This 
fails when the basic block points to the function->end.  Instead, require that
the client pass in the function AND the basicblock to insert into.

llvm-svn: 11112
 2004-02-04 03:57:34 +00:00
Alkis Evlogimenos
3d100ef0ca When an instruction like: A += B had both A and B virtual registers 
spilled, A was loaded from its stack location twice. This fixes the bug.

llvm-svn: 11093
 2004-02-03 01:13:07 +00:00
Alkis Evlogimenos
74b26f77a3 Revert changes. Will implement this using a different set of primitives 
llvm-svn: 11091
 2004-02-02 23:08:58 +00:00
Alkis Evlogimenos
5f03f684ed Add MachineOperand::setDef() and MachineOperand::setUse() so that the 
TwoAddressInstructionPass can correctly update use/def information.

llvm-svn: 11086
 2004-02-02 21:55:18 +00:00
Brian Gaeke
fea8eb8938 Add prototype for llvm::allocatePowerPCTargetMachine(). 
llvm-svn: 11072
 2004-02-02 19:05:08 +00:00
Chris Lattner
6fe75845f9 Correct the method I just added to actually return false sometimes 
llvm-svn: 11069
 2004-02-02 18:53:04 +00:00
Chris Lattner
29734bccc5 Add a new method to ConstantFP 
llvm-svn: 11068
 2004-02-02 18:40:29 +00:00
Chris Lattner
5e2feb4a0f The first half of a fix for PR218 & test/Regression/Assembler/2004-02-01-NegativeZero.llx 
llvm-svn: 11063
 2004-02-01 22:48:09 +00:00
Alkis Evlogimenos
0df32f636e Add MRegisterInfo::getNumRegs(). 
llvm-svn: 11058
 2004-02-01 17:14:20 +00:00
Chris Lattner
87d16ffdb0 Add comments 
llvm-svn: 11042
 2004-02-01 00:32:48 +00:00
Alkis Evlogimenos
50d97e33b7 Merge safe parts from last night's buggy commit. These do not break 
any test cases :-)

llvm-svn: 11032
 2004-01-31 19:59:32 +00:00
Chris Lattner
f5e7107425 Add two static methods to avoid having client code explicitly compare against 
FirstVirtualRegister

llvm-svn: 11031
 2004-01-31 19:57:11 +00:00
Alkis Evlogimenos
26665e2636 Revert last night's changes as they broke some tests. Will remerge parts of the patch. 
llvm-svn: 11029
 2004-01-31 14:37:41 +00:00
Alkis Evlogimenos
f2fb0fb486 Several performance enhancements and cleanups from Chris. 
Simplification of LiveIntervals::Interval::overlaps() and addition of
examples to overlaps() and liveAt() to make them clearer.

llvm-svn: 11028
 2004-01-31 04:56:07 +00:00
Chris Lattner
6866e18e48 Add a new pointsToConstantMemory method to the AliasAnalysis interface 
which can be implemented to improve the quality of mod-ref information.

llvm-svn: 11020
 2004-01-30 22:15:41 +00:00
Chris Lattner
bc699a10d1 Add a new lazily constructed mapping from Idx's the MBB they represent 
llvm-svn: 11017
 2004-01-30 22:08:09 +00:00
Brian Gaeke
845c0dd196 Give clients of MachineFunctionPrinter the ability to specify a banner and 
choose an ostream.

llvm-svn: 11016
 2004-01-30 21:53:46 +00:00
Misha Brukman
78fd5d7f95 Doxygenify comments. 
llvm-svn: 11014
 2004-01-30 17:22:50 +00:00
Chris Lattner
0c0e0d8d6c Keep track of all of the globals inserted into the scalar map 
llvm-svn: 10995
 2004-01-28 03:01:22 +00:00
Chris Lattner
779ed4f1de Pull the ScalarMap out into something that is more structured than what we had 
before.  This allows us to have a place to implement optimizations in a
structured way.

llvm-svn: 10994
 2004-01-28 02:42:12 +00:00
Chris Lattner
91c33446ca Minor tweaks 
llvm-svn: 10983
 2004-01-27 21:49:42 +00:00