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422 Commits

Author SHA1 Message Date
Chris Lattner
74911ffd6b Add a new analysis 
llvm-svn: 12619
 2004-04-02 20:23:17 +00:00
Chris Lattner
c0fede30c5 Make the verifier API more complete and useful 
llvm-svn: 12608
 2004-04-02 15:44:33 +00:00
Chris Lattner
6a3efa7a38 Tweak argument 
llvm-svn: 12412
 2004-03-15 04:08:18 +00:00
Chris Lattner
a546ebb664 Deinline a couple of methods. Improve comment. 
llvm-svn: 12411
 2004-03-15 04:07:59 +00:00
Chris Lattner
275dd432ab Add two new methods which can be used to enable a bunch of transformations 
in common cases.

llvm-svn: 12407
 2004-03-15 01:58:54 +00:00
Misha Brukman
6ed546e3d2 Doxygenified and cleand up comments. 
llvm-svn: 12294
 2004-03-11 23:08:20 +00:00
Chris Lattner
2fef10e580 new method 
llvm-svn: 12263
 2004-03-09 19:36:59 +00:00
Chris Lattner
bf888377d5 Switch over to using edge profile information as the basic profiling representation, 
from basic block counts.

llvm-svn: 12241
 2004-03-08 22:03:45 +00:00
Chris Lattner
3b0551752b We don't want to make this a pure interface, as it makes all implementors 
bear the burden of implementing what will be all exactly the same methods.
They just want to provide the information in differing ways.

llvm-svn: 12239
 2004-03-08 21:30:18 +00:00
Chris Lattner
09255cd709 Rearrange some methods, implement the dominates method 
llvm-svn: 12237
 2004-03-08 21:07:12 +00:00
Chris Lattner
91ea0d3176 Import the trace class from the reoptimizer 
llvm-svn: 12236
 2004-03-08 20:57:27 +00:00
Chris Lattner
525635b764 Add support for representing edge counts 
llvm-svn: 12228
 2004-03-08 18:19:37 +00:00
Chris Lattner
fb8eb94027 Rename method, add new method 
llvm-svn: 12103
 2004-03-03 22:00:20 +00:00
Chris Lattner
43d5238d45 De-inline methods 
llvm-svn: 12101
 2004-03-03 20:55:15 +00:00
Chris Lattner
ed70152b7d Add new method 
llvm-svn: 12056
 2004-03-01 19:36:50 +00:00
Chris Lattner
176413cedb Fix the "partial pool allocator" on em3d and others. The problem is that 
DSNodes, unlike other GraphTraits nodes, can have null outgoing edges, and
df_iterator doesn't take this into consideration.  As a workaround, the
successor iterator now handles null nodes and 'indicates' that null has
no successors.

llvm-svn: 12025
 2004-03-01 01:42:26 +00:00
Misha Brukman
13230a9e07 Doxygenify comments. 
llvm-svn: 12015
 2004-02-29 23:55:11 +00:00
Chris Lattner
7906b0bc03 Update comments and add warning 
llvm-svn: 11691
 2004-02-21 22:27:20 +00:00
Chris Lattner
1316ee07fa Add a method useful for updating DSA 
llvm-svn: 11636
 2004-02-19 21:27:50 +00:00
Chris Lattner
19d997875e Add an important prototype 
llvm-svn: 11320
 2004-02-11 06:11:06 +00:00
Chris Lattner
427c8ee657 Factor this code out of llvm-prof 
llvm-svn: 11314
 2004-02-11 05:54:25 +00:00
Chris Lattner
a81258a786 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
Chris Lattner
b38552cf42 Remove some unneeded stuff 
llvm-svn: 11286
 2004-02-10 21:19:49 +00:00
Chris Lattner
32a3eb0b88 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
29067016a4 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
e78429de24 Change to use iterators instead of direct access 
llvm-svn: 11170
 2004-02-08 00:22:41 +00:00
Chris Lattner
48a0d7e1c0 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
2199bb0c7a Actually USE isForwarding method 
llvm-svn: 11160
 2004-02-07 23:02:32 +00:00
Chris Lattner
6337300b83 As Alkis pointed out to me, I forgot to commit this... :( 
llvm-svn: 11159
 2004-02-07 22:54:19 +00:00
Chris Lattner
bb4d6f00f9 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
Misha Brukman
64f7595915 Doxygenify comments. 
llvm-svn: 11014
 2004-01-30 17:22:50 +00:00
Chris Lattner
fc239578ad 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
268db40292 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
2ead39d5c8 Minor tweaks 
llvm-svn: 10983
 2004-01-27 21:49:42 +00:00
Chris Lattner
16a5e6bf33 Add comments, allow DSNode "copy ctor" to ignore outgoing links, add more 
structured access to the globals list, add a couple helper methods.

llvm-svn: 10982
 2004-01-27 21:49:25 +00:00
Chris Lattner
95d03595ae * cloneReachable* and clonePartiallyInto are not obsolete 
* Make AssertNodeInGraph not be HORRIBLY time consuming
* Eliminate the dead mergeInGlobalsGraph method
*** Add the definition for the new ReachabilityCloner class

llvm-svn: 10981
 2004-01-27 21:48:35 +00:00
Chris Lattner
de6ca7bf30 Add new flag, other minor modifications 
llvm-svn: 10969
 2004-01-23 01:42:32 +00:00
Chris Lattner
99f9b84640 Fix grammar 
llvm-svn: 10968
 2004-01-23 01:42:16 +00:00
Chris Lattner
a72f3a387a Eliminated the CompletedNodes argument to the cloneReachable* methods. This 
map was only used to implement a marginal GlobalsGraph optimization, and it
actually slows the analysis down (due to the overhead of keeping it), so just
eliminate it entirely.

llvm-svn: 10955
 2004-01-22 16:56:13 +00:00
Chris Lattner
7348bd20b1 It doesn't make sense for one side to be const, but not the other. 
llvm-svn: 10952
 2004-01-22 16:08:51 +00:00
Chris Lattner
5f0e00c8b2 Remove const qualifier (all Value*'s are nonconst in DSA, so it's not clear 
why this one was)

Add new method proto

llvm-svn: 10950
 2004-01-22 15:26:52 +00:00
Chris Lattner
f2a7d96dde Specialize std::swap correctly 
llvm-svn: 10949
 2004-01-22 15:26:15 +00:00
Chris Lattner
3910d21d01 Move SlotCalculator.h from include/llvm to include/llvm/Analysis 
llvm-svn: 10930
 2004-01-20 19:50:12 +00:00
Chris Lattner
1736f44b1d Improve encapsulation in the Loop and LoopInfo classes by eliminating the 
getSubLoops/getTopLevelLoops methods, replacing them with iterator-based
accessors.

llvm-svn: 10714
 2004-01-08 00:09:44 +00:00
Chris Lattner
6ecac445aa Rename ClassifyExpression -> ClassifyExpr 
llvm-svn: 10591
 2003-12-23 08:03:40 +00:00
Chris Lattner
ddc02fd15d fix grammao 
llvm-svn: 10576
 2003-12-22 04:08:12 +00:00
Chris Lattner
457dd0b6c7 Add a new AliassetTracker::remove method. Because we need to be able to remove 
a pointer from an AliasSet, maintain the pointer values on a doubly linked
list instead of a singly linked list, to permit efficient removal from the
middle of the list.

llvm-svn: 10506
 2003-12-18 08:11:56 +00:00
Chris Lattner
69a2e9985d Add capability to represent volatile AliasSet's 
llvm-svn: 10456
 2003-12-14 04:51:34 +00:00
Brian Gaeke
9b3f9806a2 IncludeFile hack to pull in BasicValueNumbering whenever ValueNumbering.h 
is included.

llvm-svn: 10397
 2003-12-11 05:05:56 +00:00
Brian Gaeke
045d32a78d IncludeFile hack to pull in BasicAliasAnalysis whenever AliasAnalysis.h 
is included.

llvm-svn: 10396
 2003-12-11 05:05:02 +00:00