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596 Commits

Author SHA1 Message Date
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
Chris Lattner
d4abe8d28a The recalclulate method was a nasty hack that was once used by the -cee pass, 
which never worked itself.  The cee pass still doesn't work, but it doesn't use
this method anymore anyway, so eliminate the method.

llvm-svn: 10302
 2003-12-07 00:55:32 +00:00
Chris Lattner
c96fd2cf0c Rewrite dominators implementation. Now domset is constructed from immdom, 
instead of the other way around.

llvm-svn: 10300
 2003-12-07 00:36:16 +00:00
Chris Lattner
1c0824d019 Move this method out of the generic dominators calculation code 
llvm-svn: 10298
 2003-12-07 00:35:19 +00:00
Chris Lattner
d08cd3b1e1 be GCC 3.4 clean 
llvm-svn: 10264
 2003-11-29 19:55:12 +00:00
Chris Lattner
6a0a73554a Add methods for implementation 
llvm-svn: 9963
 2003-11-13 05:05:34 +00:00
Chris Lattner
3c72015317 Add an initial version of the CompleteBUDataStructures pass 
llvm-svn: 9955
 2003-11-13 01:42:38 +00:00
Chris Lattner
fb07beec2c Add argument 
llvm-svn: 9921
 2003-11-12 17:58:09 +00:00
Brian Gaeke
d25f86d683 Put all LLVM code into the llvm namespace, as per bug 109. 
llvm-svn: 9903
 2003-11-11 22:41:34 +00:00
Chris Lattner
2b0c87be66 Add new method 
llvm-svn: 9879
 2003-11-11 05:08:36 +00:00
Chris Lattner
a71b07eeca All DSGraphs keep a reference to the targetdata they are created with. This is 
used to eliminate the hard coded, hacked in, sparc specific, global TargetData.
Changing the TargetData used to actually match the code fixes problems, and
eliminates a crash.

llvm-svn: 9659
 2003-11-02 22:27:28 +00:00
Chris Lattner
29f03b2d39 Including the symbol table in the FindUsedTypes analysis was the WRONG way 
to fix test/Regression/CBackend/2003-10-23-UnusedType.ll.  This completely
neutered the deadtypeelim pass.

llvm-svn: 9646
 2003-11-02 01:28:41 +00:00
Chris Lattner
586db4056a When someone includes CallGraph.h, make sure that they link in CallGraph.cpp 
llvm-svn: 9611
 2003-10-30 05:17:30 +00:00
Chris Lattner
9def45d1d0 Add new method 
llvm-svn: 9570
 2003-10-28 23:10:44 +00:00
Chris Lattner
6612e3dfd5 Fix bug in eon hopefully 
llvm-svn: 9442
 2003-10-23 19:33:44 +00:00
John Criswell
16c6cda9d5 Added LLVM copyright header (for lack of a better term). 
llvm-svn: 9304
 2003-10-20 20:19:47 +00:00
Chris Lattner
7e21039f40 Remove usage of use_size() 
llvm-svn: 9134
 2003-10-15 16:43:24 +00:00
Misha Brukman
32c5aec6ec Fix spelling. 
llvm-svn: 9021
 2003-10-10 17:42:19 +00:00
Chris Lattner
c228625040 Use graph traits to perform generic interval construction 
llvm-svn: 8809
 2003-10-01 22:28:00 +00:00
Chris Lattner
679ad2c46d Add graph traits specializations for intervals 
llvm-svn: 8808
 2003-10-01 22:27:36 +00:00
Chris Lattner
4e4c763dfc Standardize header file comments 
llvm-svn: 8782
 2003-09-30 18:37:50 +00:00
Chris Lattner
d6c9d2ca72 Add prototype 
llvm-svn: 8640
 2003-09-21 00:28:18 +00:00
Chris Lattner
b12a8a6177 Switch from using CallInst's to represent call sites to using the LLVM 
CallSite class.  Now we can represent function calls by invoke instructions
too!

llvm-svn: 8629
 2003-09-20 16:34:13 +00:00
Chris Lattner
3e98c3aaeb Unsquishify 
llvm-svn: 8612
 2003-09-20 01:23:29 +00:00
Chris Lattner
2233d8b00a Do not segfault when the post-dominator tree is empty (ie, there are no return 
or unwind instructions in the function)

llvm-svn: 8537
 2003-09-15 15:47:40 +00:00
Chris Lattner
27fcbcd3a3 Get rid of the whole "Node2" business, rename getNode() ->getBlock() to 
be more descriptive

llvm-svn: 8468
 2003-09-11 16:25:06 +00:00
Chris Lattner
e7c33c0f65 Rework dominator and post dominator information so that we do not have to 
unify all exit nodes of a function to compute post-dominance information.
This does not work with functions that have both unwind and return nodes,
because we cannot unify these blocks.  The new implementation is better
anyway. :)

llvm-svn: 8459
 2003-09-10 20:36:51 +00:00
Brian Gaeke
7eaecc239a Make createVerifierPass return a FunctionPass *. 
llvm-svn: 8449
 2003-09-10 19:37:04 +00:00
Chris Lattner
620f051422 Spelling fixes 
llvm-svn: 8429
 2003-09-10 05:24:09 +00:00
Chris Lattner
05498bc768 Remove explicit passing of SCC's around as objects. 
llvm-svn: 8267
 2003-08-31 19:46:48 +00:00
Chris Lattner
d96c9204b6 This should use Support/iterator, not <iterator> 
llvm-svn: 8266
 2003-08-31 19:46:22 +00:00
Chris Lattner
0295b0692d Cleanups, move the getAnalysisUsage method to the .cpp file 
llvm-svn: 8265
 2003-08-31 19:41:17 +00:00
Chris Lattner
b860fafea2 s/Meth/F 
llvm-svn: 8244
 2003-08-31 01:38:00 +00:00
Chris Lattner
2e6dfe808d Add new methods, update comments 
llvm-svn: 7962
 2003-08-18 22:10:57 +00:00
Misha Brukman
56f7db4178 Spell `necessary' correctly. 
llvm-svn: 7944
 2003-08-18 14:43:39 +00:00
Chris Lattner
0674b75f99 Fix bug: LoopPreheaders/2003-08-15-PreheadersFail.ll 
llvm-svn: 7915
 2003-08-16 20:57:16 +00:00
Chris Lattner
bd872cdaaf Add a comment to the method decl 
llvm-svn: 7609
 2003-08-05 18:38:16 +00:00
Sumant Kowshik
9d60ea4810 Added declaration of mergeInGlobalsGraph 
llvm-svn: 7607
 2003-08-05 17:06:18 +00:00
Chris Lattner
2bf24be50e Remove #includes 
llvm-svn: 7339
 2003-07-26 22:56:46 +00:00
Chris Lattner
be4a5081d1 #include <cassert> as necessary... 
llvm-svn: 7315
 2003-07-25 17:58:41 +00:00
Chris Lattner
9390472890 Use the C++ <cassert> header, not the C <assert.h> header 
llvm-svn: 7310
 2003-07-25 17:34:17 +00:00
Chris Lattner
1351c304dc Remove redundant const qualifiers from cast<> expressions 
llvm-svn: 7253
 2003-07-23 15:30:06 +00:00
Vikram S. Adve
2d617afa1a (1) Added DSGraph::cloneReachableSubgraph and DSGraph::cloneReachableNodes 
to clone the subgraph reachable from a set of root nodes, into the
    current graph, merging the global nodes into those in the current graph.
(2) Added DSGraph::updateFromGlobalGraph() to rematerialize nodes from the
    globals graph into the current graph in both BU and TD passes.
(3) Added hash_set<const GlobalValue*> InlinedGlobals: a set of globals to
    track which globals have been inlined into the current graph from
    callers or callees.  In the TD pass, such globals are up-to-date and
    do not need to be rematerialized from the GlobalsGraph.
(4) Added StripIncompleteBit/KeepIncompleteBit to remove incomplete bit
    when cloning nodes into the globals graph.

llvm-svn: 7190
 2003-07-16 21:45:15 +00:00
Chris Lattner
727a2aaf1e INCLUDE_PARENT_GRAPH is required 
llvm-svn: 7089
 2003-07-02 23:57:21 +00:00
Chris Lattner
05ead58250 Remove dead method 
llvm-svn: 7083
 2003-07-02 23:43:06 +00:00
Chris Lattner
fd4af836c2 Add new methods 
llvm-svn: 7057
 2003-07-02 04:37:00 +00:00
Chris Lattner
9e36c26ed9 Disable the parent graph code when not compiled in DEBUG mode 
llvm-svn: 7056
 2003-07-02 04:33:55 +00:00
Chris Lattner
a80bdacdce TD pass keeps track of which functions have complete arguments 
llvm-svn: 7048
 2003-07-01 21:12:10 +00:00
Chris Lattner
215aabe53f Add new operator= impl 
llvm-svn: 7047
 2003-07-01 21:11:59 +00:00
Chris Lattner
c5f892c867 Ok, I'm a moron. Fixed now 
llvm-svn: 7035
 2003-07-01 17:15:11 +00:00
Chris Lattner
c09d40c234 Fix major problem that was causing all kinds of nasty foldings 
llvm-svn: 7034
 2003-07-01 17:10:50 +00:00
Chris Lattner
e0dbd43e2f Add new methods to BUDS for keeping track of a precise call graph 
llvm-svn: 7028
 2003-07-01 16:27:15 +00:00
John Criswell
258dfc0319 Merged in autoconf branch. This provides configuration via the autoconf 
system.

llvm-svn: 7014
 2003-06-30 21:59:07 +00:00
Chris Lattner
cb32be085b Add new method 
llvm-svn: 7007
 2003-06-30 05:57:30 +00:00
Chris Lattner
6de58997b5 Be more const correct 
llvm-svn: 7004
 2003-06-30 05:27:05 +00:00
Chris Lattner
8ef5ebb1d7 Constness changes 
llvm-svn: 7002
 2003-06-30 05:10:09 +00:00
Chris Lattner
e6df85809f Substantial revamp: DSGraphs now may contain the graphs for multiple functions 
in the same graph

llvm-svn: 6991
 2003-06-30 03:14:23 +00:00
Chris Lattner
ff71b43ac7 Remove prototype for dead method 
llvm-svn: 6989
 2003-06-30 03:13:28 +00:00
Chris Lattner
4b3d2c7c90 Add support for gathering sets of must aliases 
llvm-svn: 6971
 2003-06-29 00:23:11 +00:00
Chris Lattner
c059f6cce9 Add new DSGraph::ScalarMapTy typedef to avoid pulling representation issues 
into callers of getScalarMap

llvm-svn: 6944
 2003-06-28 21:57:13 +00:00
Chris Lattner
3b60ccaedb Add new 'isComplete' method 
llvm-svn: 6943
 2003-06-28 21:56:42 +00:00
Chris Lattner
6c12776232 Remove a ton of extraneous #includes 
llvm-svn: 6842
 2003-06-22 03:08:05 +00:00
Chris Lattner
7a098ad5dc Whoops, accidentally lost a #include 
llvm-svn: 6841
 2003-06-22 03:04:58 +00:00
Chris Lattner
ddfeef3d7a Remove support for the MultiObject flag, which was just fundamentally broken 
llvm-svn: 6839
 2003-06-22 03:03:24 +00:00
Chris Lattner
d07e211972 Lots of changes to make the NodeType field private to DSNode. 
Add new MultiObject flag

llvm-svn: 6793
 2003-06-19 21:14:22 +00:00
John Criswell
4781723de6 Included assert.h so that the code compiles under newer versions of GCC. 
llvm-svn: 6682
 2003-06-11 14:01:36 +00:00
Chris Lattner
506de1c176 Minor cleanups: 
* LLVM #include should use "", not <>
  * Fix line wrapping
  * Remove noncopyable base class to improve doxygen output

llvm-svn: 6577
 2003-06-03 15:30:01 +00:00
Chris Lattner
cf6eb5232a Add more graph traits specializations for dominator tree nodes 
llvm-svn: 5751
 2003-03-20 21:21:05 +00:00
Chris Lattner
3e34da7458 Add a few new 'add' methods. Move the iterator around 
llvm-svn: 5690
 2003-03-03 23:27:52 +00:00
Chris Lattner
41e9bb787e Don't apply type information to loads 
llvm-svn: 5683
 2003-03-03 17:13:22 +00:00
Chris Lattner
6046dda16e Add dump method for loops 
llvm-svn: 5670
 2003-02-28 16:54:37 +00:00
Chris Lattner
cffe1c533c Add graph traits specializations for loop nesting information... 
llvm-svn: 5666
 2003-02-28 03:05:15 +00:00
Chris Lattner
e6443c72fe Add new Loop::hasExitBlock helper method 
llvm-svn: 5663
 2003-02-27 22:48:28 +00:00
Chris Lattner
c37308604f Change behavior of changeExitBlock function to replace all instances of exit block 
llvm-svn: 5661
 2003-02-27 22:37:44 +00:00
Chris Lattner
db73d0ceab Make the interface to update a little more efficient 
llvm-svn: 5651
 2003-02-27 20:24:17 +00:00
Chris Lattner
4efef545d2 * LoopInfo now keeps track of exit blocks from the loop 
* New LoopInfo::isLoopHeader method
  * Remove some #if 0 code

llvm-svn: 5649
 2003-02-27 00:37:22 +00:00
Chris Lattner
5baf8bb966 Make the aliassettracker much more precise by actually tracking size 
information for various accesses.  What a concept.

llvm-svn: 5647
 2003-02-26 22:11:00 +00:00
Chris Lattner
374168a56e BasicAA doesn't need a public header 
llvm-svn: 5639
 2003-02-26 19:41:46 +00:00
Chris Lattner
f3a3d13d24 Tweak to work with new AA implementation 
llvm-svn: 5632
 2003-02-26 19:25:04 +00:00
Chris Lattner
8a8dc5b686 Checkin of new alias analysis interface: 
* Takes into account the size of the memory reference to determine aliasing.
  * Expose mod/ref information in a more consistent way

llvm-svn: 5631
 2003-02-26 19:24:47 +00:00
Chris Lattner
f2009dbddb This is a substantial rewrite of the AliasSetTracker class which now uses 
a union-find based algorithm, is significantly faster, and is more general.
It will also scale to handle call instructions correctly, which is a nice
added bonus.

This includes a new pass -print-alias-sets which can be used to show how
alias sets are formed for a particular analysis.

llvm-svn: 5619
 2003-02-24 20:37:56 +00:00
Chris Lattner
120d135f05 Move node forwarding code from being inlined to being out-of-line. 
This brings a 11.6% speedup to steens, and a 3.6 overall speedup to ds-aa

llvm-svn: 5552
 2003-02-13 19:09:00 +00:00
Chris Lattner
522cb6d282 Implement a "union-findy" version of DS-Analysis, which eliminates the 
Referrers list on DSNodes.

llvm-svn: 5536
 2003-02-11 23:11:51 +00:00
Chris Lattner
d4faf8a5da Fix uninitialized member problem 
llvm-svn: 5534
 2003-02-11 06:36:00 +00:00
Chris Lattner
fade2f7d18 Bugfix for calling dump() after the links vector has been cleared 
llvm-svn: 5533
 2003-02-10 22:46:47 +00:00
Chris Lattner
723795113f Move getNode() out of line 
llvm-svn: 5531
 2003-02-10 18:19:41 +00:00
Chris Lattner
4528fd1e2a Implement a new method "viewGraph" which can be used to instantly view a graph from GDB. 
llvm-svn: 5529
 2003-02-10 18:17:38 +00:00
Chris Lattner
b86f27cc1f TD Pass now does not cause globals to mark nodes incomplete. 
llvm-svn: 5512
 2003-02-09 18:40:25 +00:00
Chris Lattner
5f3ef2f0e7 Implement optimization for direct function call case. This dramatically 
reduces the number of function nodes created and speeds up analysis by
about 10% overall.

llvm-svn: 5495
 2003-02-05 21:59:58 +00:00
Chris Lattner
e8381114ef Add sanity check 
llvm-svn: 5489
 2003-02-04 00:03:57 +00:00
Chris Lattner
102e619864 Hack to work around deficiency in pass infrastructure 
llvm-svn: 5485
 2003-02-03 22:51:28 +00:00
Chris Lattner
b58c9c95d0 Eliminate unused resolving caller stuff 
llvm-svn: 5475
 2003-02-03 19:11:04 +00:00
Chris Lattner
1c12ad543d * Add a bunch of stuff for checking the integrity of the graph 
* remove the isNodeDead method

llvm-svn: 5474
 2003-02-03 19:10:24 +00:00
Chris Lattner
7aec6c471b Change DSGraph stuff to use hash_(set|map) instead of std::(set|map) 
This change provides a small (3%) but consistent speedup

llvm-svn: 5460
 2003-02-01 04:52:08 +00:00
Chris Lattner
d6b11d83a3 Add new composition mask 
llvm-svn: 5454
 2003-02-01 03:28:26 +00:00
Chris Lattner
3acf20f0da New API for traversing graph 
llvm-svn: 5430
 2003-01-29 21:09:59 +00:00
Chris Lattner
77e422543e * Eliminate boolean arguments in favor of using enums 
llvm-svn: 5420
 2003-01-23 22:06:33 +00:00
Chris Lattner
bfd37d4da8 Move to include/llvm/CodeGen 
llvm-svn: 5285
 2003-01-14 23:05:31 +00:00
Chris Lattner
57b5e8891e Move llvm/Analysis/LiveVar/ValueSet.h to CodeGen/ValueSet.h 
llvm-svn: 5282
 2003-01-14 22:56:37 +00:00
Chris Lattner
4e607715ce Make a release build compile. This field is not really an enum, it's really a bitfield 
llvm-svn: 4971
 2002-12-12 05:31:26 +00:00
Misha Brukman
9fbca4e8ea No need to specify the class if the method is within the class declaration. 
llvm-svn: 4969
 2002-12-12 05:28:39 +00:00
Vikram S. Adve
c9617fde54 Iterator that enumerates the ProgramDependenceGraph (PDG) for a function, 
i.e., enumerates all data and control dependences for the function.

llvm-svn: 4958
 2002-12-08 14:13:19 +00:00
Vikram S. Adve
90bc3110b6 An explicit representation of dependence graphs, and a pass that 
computes a dependence graph for data dependences on memory locations
using interprocedural Mod/Ref information.

llvm-svn: 4957
 2002-12-08 13:26:29 +00:00
Vikram S. Adve
183ea76dc4 Stronger assertion in getNodeId(): node id must exist in the map. 
llvm-svn: 4949
 2002-12-06 21:19:07 +00:00
Vikram S. Adve
ef10713b0e Added static helper method MergeNodes(). See DataStructure.cpp for more. 
llvm-svn: 4946
 2002-12-06 21:10:17 +00:00
Chris Lattner
da374a0ade Make sure to print indirect node again 
llvm-svn: 4943
 2002-12-06 06:40:00 +00:00
Vikram S. Adve
2d712e9ff6 Added flags to CloneFlags to strip/keep Mod/Ref bits when cloning a graph. 
llvm-svn: 4835
 2002-11-27 17:39:37 +00:00
Vikram S. Adve
98df15e927 No longer need local graph to find call sites. 
Also some major fixes within IPModRef.cpp.

llvm-svn: 4834
 2002-11-27 17:38:56 +00:00
Chris Lattner
b094535fdf Inline DSTypeRec stuff into DSNode 
llvm-svn: 4751
 2002-11-18 21:45:30 +00:00
Chris Lattner
e66e649733 Inline DSTypeRec into DSNode 
llvm-svn: 4750
 2002-11-18 21:45:07 +00:00
Chris Lattner
80445dfe2e Templatize graph traits and iterator to work with const and non-const clients 
llvm-svn: 4746
 2002-11-18 21:42:19 +00:00
Chris Lattner
18cdae7e54 Omit the indirect node when printing call graphs 
llvm-svn: 4733
 2002-11-17 23:10:27 +00:00
Chris Lattner
57e3d39384 Remove dead method, add new method 
llvm-svn: 4700
 2002-11-12 15:57:28 +00:00
Chris Lattner
2ecb91e1c1 Almost complete rewrite of BU closure code 
llvm-svn: 4693
 2002-11-11 21:34:34 +00:00
Chris Lattner
47457c43f4 add method 
llvm-svn: 4686
 2002-11-10 23:47:02 +00:00
Chris Lattner
aaabf591d2 Add code to be able to merge two call sites 
llvm-svn: 4685
 2002-11-10 23:46:51 +00:00
Chris Lattner
db1822a429 Add hasGraph() methods to all of the passes for the printer 
llvm-svn: 4676
 2002-11-10 06:53:19 +00:00
Chris Lattner
7cb6ecd396 Implement swapping 
llvm-svn: 4674
 2002-11-10 06:48:24 +00:00
Chris Lattner
fbfba19b2f Implement support for swapping. Callsites now sort by callee 
llvm-svn: 4673
 2002-11-10 06:48:11 +00:00
Chris Lattner
667b09146f Add capability to set a preference of what call vector is printed to dot files 
llvm-svn: 4672
 2002-11-10 06:47:35 +00:00
Chris Lattner
1fe76d2385 eliminate the ability to remove global nodes from deadNodeElminate... for now. 
This slows stuff down a bit, but it should get much better before it gets any
worse.

llvm-svn: 4666
 2002-11-09 22:07:02 +00:00
Chris Lattner
0752756a6a Add globals graphs to all three passes 
llvm-svn: 4663
 2002-11-09 21:12:07 +00:00
Chris Lattner
c2eca7c7bc Move maskNodeTypes from cpp file 
llvm-svn: 4662
 2002-11-09 21:02:30 +00:00
Chris Lattner
e726eb5ea7 Clean up DSGraph::removeDeadNodes interface 
llvm-svn: 4660
 2002-11-09 21:00:49 +00:00
Chris Lattner
f17ffc0cc5 Make removeTriviallyDeadNodes a private interface 
llvm-svn: 4658
 2002-11-09 20:55:04 +00:00
Chris Lattner
1c5c03d6f7 Add initial support for a globals graph 
llvm-svn: 4656
 2002-11-09 20:01:01 +00:00
Chris Lattner
0db8dff751 Remove unneccesary #include 
llvm-svn: 4653
 2002-11-09 19:24:41 +00:00
Chris Lattner
a81c52f557 Remove GlobalDSGraph delcaration 
llvm-svn: 4652
 2002-11-09 19:21:56 +00:00
Chris Lattner
fa3cdfdcf7 Fix release build 
llvm-svn: 4647
 2002-11-09 00:48:52 +00:00
Chris Lattner
15e2b6ddb9 Add new methods 
llvm-svn: 4646
 2002-11-08 23:22:48 +00:00
Chris Lattner
a6520dea5c Add another option to cloneGraph 
llvm-svn: 4641
 2002-11-08 22:28:55 +00:00
Chris Lattner
5f0b273a70 - Add support for an "auxillary" call site list 
- Original call sites are now never modified after construction by the local
  pass.
- DSGraph::cloneInto can now optionally not clone the call sites
- BUDataStructures no longer has a ton of book-keeping info for a broken
  implementation of the TD data structures

llvm-svn: 4631
 2002-11-08 21:24:51 +00:00
Chris Lattner
de23b0e031 Use DSNodeHandle for persistent maps 
llvm-svn: 4623
 2002-11-08 05:03:37 +00:00
Chris Lattner
9330d88b02 Add flag that may be used to determine if dead nodes are used. It's temporary 
llvm-svn: 4620
 2002-11-08 01:22:26 +00:00
Vikram S. Adve
8ad057e4ec Restore a #include because this header file needs the definitions 
of DSCallSite::~DSCallSite and DSNodeHandle::~DSNodeHandle.

llvm-svn: 4616
 2002-11-08 00:23:23 +00:00
Chris Lattner
adac673c17 Add interfaces for ResolveCallSiteModRefInfo 
llvm-svn: 4601
 2002-11-07 07:11:49 +00:00
Chris Lattner
450e1fbc76 Instead of using a bool that constant has to be explained, use a self 
explanitory enum instead.

llvm-svn: 4600
 2002-11-07 07:06:20 +00:00
Chris Lattner
aa7b1a3e3a Add new method 
llvm-svn: 4598
 2002-11-07 06:30:17 +00:00
Chris Lattner
48a0cb745d Expose isPointerType to clients of dsanalysis 
llvm-svn: 4597
 2002-11-07 05:21:15 +00:00
Chris Lattner
9bcd1e1b61 Add a comment 
llvm-svn: 4586
 2002-11-06 23:26:21 +00:00
Chris Lattner
9870fb032e Allow the ResolveCallSiteModRefInfo method to return a mapping of nodes, 
implement the mod/ref bit masking

llvm-svn: 4578
 2002-11-06 19:59:33 +00:00
Chris Lattner
f7e839f435 Add a stub to implement the context sensitive mod/ref info for call sites 
llvm-svn: 4577
 2002-11-06 19:38:43 +00:00
Chris Lattner
00de4338dc Give a back pointer to the IPModRef object to the FunctionModRefInfo object 
llvm-svn: 4576
 2002-11-06 19:07:13 +00:00
Chris Lattner
a90e3aa6b2 Remove a couple of #includes, move some code to .cpp file 
llvm-svn: 4574
 2002-11-06 18:38:10 +00:00
Chris Lattner
09a2cc9a4a Make PointerShift/Size be enums so they are constants instead of globals 
llvm-svn: 4571
 2002-11-06 18:02:26 +00:00
Vikram S. Adve
201d4e3639 Make query operations non-const to allow demand-driven analyses. 
llvm-svn: 4569
 2002-11-06 17:17:55 +00:00
Vikram S. Adve
2a1c1171e7 An interprocedural analysis pass that computes flow-insensitive 
IP Mod and Ref information for every function and every call site.

llvm-svn: 4567
 2002-11-06 17:02:03 +00:00
Vikram S. Adve
05cfe7d191 Add const version of function getNodeForValue: 
const DSNodeHandle &getNodeForValue(Value *V) const.

llvm-svn: 4566
 2002-11-06 17:00:41 +00:00
Chris Lattner
d0387e7e11 Dramatically simplify internal DSNode representation, get implementation 
*FULLY OPERATIONAL* and safe.  We are now capable of completely analyzing
at LEAST the Olden benchmarks + 181.mcf

llvm-svn: 4562
 2002-11-06 06:20:27 +00:00
Chris Lattner
f1d0314c32 Remove stripscalars argument to cloneInto 
llvm-svn: 4561
 2002-11-06 06:18:56 +00:00
Chris Lattner
c9dc8840ff Add a bunch of assertions 
llvm-svn: 4549
 2002-11-04 23:59:41 +00:00
Chris Lattner
facce8e131 Implement methods needed to print out call graph 
llvm-svn: 4522
 2002-11-04 02:53:39 +00:00
Chris Lattner
aaf17e11b1 Allow the call graph to be called from analyze naturally with print implemented 
llvm-svn: 4517
 2002-11-04 00:21:19 +00:00
Chris Lattner
8d63aab886 Rename ValueMap to ScalarMap 
llvm-svn: 4516
 2002-11-03 21:27:48 +00:00
Chris Lattner
0ee058644e Rename NewNode flag to HeapNode 
llvm-svn: 4515
 2002-11-03 21:24:04 +00:00
Misha Brukman
4e272d8fd9 Fixed comment on top of DSNode.h, added note to DSSupport.h as to why 
functions were split out from DSNode class.

llvm-svn: 4509
 2002-11-02 21:18:53 +00:00
Chris Lattner
702ac95902 Implement the "unknown flag" which mainly consists of aligning printing code 
llvm-svn: 4490
 2002-11-02 00:36:03 +00:00
Chris Lattner
f76aa218db * Eliminate Scalar node type (renumber other node types) 
* Allow DSNodeHandle::mergeWith to work if a node handle isn't pointing to a node yet

llvm-svn: 4487
 2002-11-02 00:11:12 +00:00
Chris Lattner
e0a3be0bb7 Eliminate some unneccesary #includes and forward decls 
llvm-svn: 4475
 2002-10-31 21:24:10 +00:00
Misha Brukman
cd6a3b2f2c Refactored DSGraph.h: 
* DSGraph.h   contains DSGraph
* DSNode.h    contains DSNode (soon UDSNode and MDSNode)
* DSSupport.h contains DSCallsite, DSTypeRec, and DSNodeHandler

llvm-svn: 4466
 2002-10-31 06:34:18 +00:00
Chris Lattner
317daff9bf This fixes all kinds of problems with array handling. There are still bugs to 
be fixed, but we are getting much closer now.

    * Make DSNode::TypeRec a full fledged DSTypeRec type.
    * Add methods used to update and access the typerecords elements
    * Add methods to query if and to cause a node to be completely folded
    * DSGraph construction doesn't use the allocation type for anything at all,
      now nodes get their type information based on how they are used.
    * Fixed a bug with global value handling introduced in the last checkin
    * GEP support is now much better, arrays are handled correctly.  The array
      flag is now updated in type records.  There are still cases that are not
      handled yet (we do not detect pessimizations), but getting much closer.

llvm-svn: 4465
 2002-10-31 05:45:02 +00:00
Chris Lattner
2e98413a27 Add interface to update domfrontier info, thanks to Casey Carter for impl 
llvm-svn: 4456
 2002-10-31 02:39:48 +00:00
Misha Brukman
453ccb15f5 Fixed spelling of `propagation'. 
llvm-svn: 4422
 2002-10-29 22:55:11 +00:00
Chris Lattner
a7e9d3e90f Don't #include <Support/*>, #include "Support/*" 
llvm-svn: 4325
 2002-10-28 02:11:53 +00:00
Chris Lattner
8f38efd9dd Add #include 
llvm-svn: 4291
 2002-10-27 19:08:03 +00:00
Chris Lattner
58781838b7 We need to know the call sites each function hosts 
llvm-svn: 4258
 2002-10-22 15:58:23 +00:00
Chris Lattner
535d54ef22 Allow modification of callee 
llvm-svn: 4257
 2002-10-22 15:57:58 +00:00
Chris Lattner
1157e5dafb Delete unused arguments to DSGraph::cloneInto method 
llvm-svn: 4253
 2002-10-21 19:50:29 +00:00
Chris Lattner
4410178282 - Add "ResolvingCaller" to the CallSite record. This keeps track of which 
function was finally able to resolve the function call.  Adding this allows
    the TD pass to actually work right!
  - Temporarily disable dead node pruning.  This will be reenabled soon.

llvm-svn: 4252
 2002-10-21 19:47:18 +00:00
Chris Lattner
7588e35aa8 Add another copy ctor form 
llvm-svn: 4251
 2002-10-21 15:32:34 +00:00
Chris Lattner
1276c50e7b As it turns out, we don't need a fully generic mapping copy ctor, we just need 
something that maps through a std::map.  Since this simplified the client and
implementation code, do so now.

llvm-svn: 4250
 2002-10-21 15:04:18 +00:00
Chris Lattner
f8b59c1c75 Make sure to initialize isArray member 
llvm-svn: 4247
 2002-10-21 13:38:07 +00:00
Chris Lattner
ca982e6b42 Two callsites are equivalent even if they are from two completely different 
call instructions

llvm-svn: 4241
 2002-10-21 02:09:03 +00:00
Chris Lattner
2914391ab6 - Make DSCallSite not inherit from std::vector. Renamed methods slightly. 
Make copy ctor have two versions to avoid dealing with conditional template
    argument.  DSCallSite ctor now takes all arguments instead of taking one
    and being populated later.

llvm-svn: 4240
 2002-10-21 02:08:03 +00:00
Vikram S. Adve
85a358583f Remove spurious caller pointer in DSCallSite. 
Also add functions to access pointer argument nodes cleanly.

llvm-svn: 4235
 2002-10-20 21:41:02 +00:00
Chris Lattner
9c264543b5 Add isArray flag 
llvm-svn: 4230
 2002-10-20 20:28:35 +00:00
Vikram S. Adve
32689f8214 Added a first-class representation for each call site that can be 
used in the DS graphs in DSGraph.h.  With that, the special-purpose
class BUDataStructure::CallSite is no longer needed here.

llvm-svn: 4229
 2002-10-20 18:08:55 +00:00
Vikram S. Adve
2a6ec82970 Added a first-class representation for each call site that can be used 
in the DS graphs.

llvm-svn: 4227
 2002-10-20 18:04:43 +00:00
Chris Lattner
efc251af3d Convert typerec to be a structure instead of a pair 
llvm-svn: 4226
 2002-10-18 18:22:46 +00:00
Chris Lattner
d9b76794a0 Add interface for mod/ref info to be captures by dsgraphs 
llvm-svn: 4222
 2002-10-17 21:03:49 +00:00
Chris Lattner
68ac171c62 * Add data structures to BU pass to keep track of call sites for functions 
* Reenable the TD analysis

llvm-svn: 4212
 2002-10-17 04:23:05 +00:00
Chris Lattner
bb28060fb4 * Remove a lot of obsolete #if 0'd code 
* Add a simple getNodeForValue method to access the ValueMap.

llvm-svn: 4211
 2002-10-17 04:22:16 +00:00
Chris Lattner
80332e579c Use the forward declaration for GraphTraits instead of #including 
the header

llvm-svn: 4210
 2002-10-17 01:36:08 +00:00
Chris Lattner
df9733a0a1 Be const correct. Handle both DSGraph* and const DSGraph*'s 
llvm-svn: 4208
 2002-10-17 01:01:06 +00:00
Joel Stanley
128e78631f Added partial specialization of GraphTraits for the DominatorTree class. 
llvm-svn: 4205
 2002-10-16 23:26:00 +00:00
Chris Lattner
3702063ff3 The second element of the iterator is really an offset, not a link 
llvm-svn: 4196
 2002-10-16 01:43:11 +00:00
Chris Lattner
d135a2b550 Allow direct access to mergemap for printing 
llvm-svn: 4191
 2002-10-16 01:17:16 +00:00
Chris Lattner
54905ed38c First crack at reimplementing graph traits for DSGraphs 
llvm-svn: 4145
 2002-10-13 19:31:34 +00:00
Misha Brukman
b4940744de Added capability to get execution count of a loop if it is a predictable 
number of iterations.

llvm-svn: 4113
 2002-10-11 05:34:32 +00:00
Misha Brukman
d55cfa6b94 Added helper functions in LoopInfo: isLoopExit and numBackEdges. 
llvm-svn: 4112
 2002-10-11 05:31:10 +00:00
Chris Lattner
cbfb5d1eca Change reference 
llvm-svn: 4110
 2002-10-10 22:31:02 +00:00
Chris Lattner
2fd0924282 Rename DataStructureGraph.h to DSGraphTraits.h 
llvm-svn: 4107
 2002-10-10 20:36:37 +00:00
Chris Lattner
b9f59f1533 Expose new "recalculate" method from dominatorset 
llvm-svn: 4074
 2002-10-08 19:12:08 +00:00
Chris Lattner
bcb0197fe3 Remove commented out stuff 
DataStructure.h doesn't include DSGraph.h now

llvm-svn: 4028
 2002-10-02 22:14:17 +00:00
Chris Lattner
668457ea05 Move GlobalDSGraph class defn to the end of the file 
llvm-svn: 4027
 2002-10-02 21:55:52 +00:00
Chris Lattner
801fcdd060 This file doesn't need Pass.h 
llvm-svn: 4026
 2002-10-02 21:55:24 +00:00
Chris Lattner
858642be4c * Implement fully general merging of array subscripts on demand! This 
does not handle the initial pointer index case yet though.

llvm-svn: 4011
 2002-10-02 06:24:29 +00:00
Chris Lattner
0851fb32b7 Checkin the "meat" of the Data structure graph itself. I forgot to check 
this in before.  :(

llvm-svn: 4009
 2002-10-02 04:58:12 +00:00
Chris Lattner
7f0db9917a Check in DataStructure rewrite so far. 
llvm-svn: 3998
 2002-10-01 22:34:45 +00:00
Chris Lattner
5c3fdd02af Simplify code a bit, add an assertion 
llvm-svn: 3974
 2002-09-29 21:37:08 +00:00
Chris Lattner
a9bc408104 First try at implementing the AliasSetTracker class. I'm sure it will need 
revision as I start to use it though.

llvm-svn: 3954
 2002-09-26 21:49:07 +00:00
Chris Lattner
51dd965704 - Fix bug in LoopInfo causing ParentLoop to be garbage 
llvm-svn: 3940
 2002-09-26 16:15:19 +00:00
Chris Lattner
dee21da2c0 - Add methods to ImmediateDominators & DominatorTree to allow updates 
- Make DominatorTree::Node not inherit from std::vector

llvm-svn: 3938
 2002-09-26 16:14:37 +00:00
Chris Lattner
aebc47d30a Add a new "DominatorSet::addDominator" method to allow updates 
llvm-svn: 3937
 2002-09-26 05:42:47 +00:00
Chris Lattner
4dddc16c8c - Add new methods to LoopInfo: getLoopPreheader, addBasicBlockToLoop. 
These allow extra information to be easily gathered, and loopinfo to be
    updated.

llvm-svn: 3935
 2002-09-26 05:32:43 +00:00
Chris Lattner
941c5c9a70 ImmutablePass's don't need a runOnFunction, nor do they need to explicitly say 
that they preserve all xforms

llvm-svn: 3925
 2002-09-25 22:27:54 +00:00
Chris Lattner
8c104c3afa Convert BasicAA to be an immutable pass instead of a FunctionPass 
llvm-svn: 3922
 2002-09-25 22:00:18 +00:00
Chris Lattner
59bfff25cb Checkin stub for Misha to implement 
llvm-svn: 3919
 2002-09-25 19:10:06 +00:00
Chris Lattner
fba5394cf3 Make users of FindUsedTypes not have problems with linkage. This fixes 
cwriter.

llvm-svn: 3899
 2002-09-24 00:07:17 +00:00
Chris Lattner
ccf0fe57bc Remove extra #include 
llvm-svn: 3776
 2002-09-17 17:18:12 +00:00
Chris Lattner
d8e9501bf5 - Doxygenize comments 
- Add new method to dominatorset: properlyDominates
- Add synonmys for operator[] to classes so that pointers to dominator
  information can be used more easily.
- Add API's to update dominator information

llvm-svn: 3585
 2002-09-06 02:16:27 +00:00
Chris Lattner
838248b35a - Eliminate the last traces of the 'analysis' namespace 
llvm-svn: 3550
 2002-08-30 22:53:53 +00:00
Chris Lattner
168cdaea1a Fix comments. 
llvm-svn: 3546
 2002-08-30 22:51:08 +00:00
Chris Lattner
bfffa18d20 Merged into ValueNumbering.cpp 
llvm-svn: 3545
 2002-08-30 22:30:51 +00:00
Chris Lattner
47f9a4a06a Initial implementation of basic value numbering 
This file will probably go away at some point

llvm-svn: 3542
 2002-08-30 20:30:03 +00:00
Chris Lattner
2b8ae06774 Initial version of LoadValueNumbering interface 
llvm-svn: 3539
 2002-08-30 20:27:48 +00:00
Chris Lattner
a9d7ed8985 Initial version of ValueNumbering interface 
llvm-svn: 3538
 2002-08-30 20:27:15 +00:00
Chris Lattner
5545ec0631 Fix comments 
llvm-svn: 3523
 2002-08-29 20:08:39 +00:00
Anand Shukla
1e105cdb7c Changed so it gets linked properly 
llvm-svn: 3508
 2002-08-26 16:45:19 +00:00
Chris Lattner
48278223df doxygenize comments in header 
llvm-svn: 3480
 2002-08-22 22:46:20 +00:00
Chris Lattner
01ed913adb Add doxygen comments to AliasAnalysis class 
llvm-svn: 3475
 2002-08-22 21:22:25 +00:00
Chris Lattner
5d3710be84 Fix bug: test/Regression/Assembler/2002-08-22-DominanceProblem.ll 
llvm-svn: 3473
 2002-08-22 20:39:27 +00:00
Chris Lattner
04c9a37306 Checkin new alias analysis infrastructure 
llvm-svn: 3464
 2002-08-22 18:25:20 +00:00
Chris Lattner
c4bd846e84 - Split Dominators.h into Dominators.h & PostDominators.h 
llvm-svn: 3432
 2002-08-21 23:43:50 +00:00
Chris Lattner
6c83ee57c1 - Do not expose ::ID from any of the analyses anymore. 
llvm-svn: 3417
 2002-08-21 17:09:49 +00:00
Chris Lattner
b90f78e2b3 - Do not expose ::ID from any of the analyses anymore. 
llvm-svn: 3416
 2002-08-21 17:09:45 +00:00
Chris Lattner
3575b5733a * IntervalPartition no longer derives from vector 
llvm-svn: 3281
 2002-08-09 22:52:06 +00:00