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314 Commits

Author SHA1 Message Date
Chris Lattner
c76d21f55d Complete rewrite of this pass to be faster, use less memory, be easier to 
understand, and more accurate to boot!  This implements
GlobalModRef/purecse.ll over the previous impl.

llvm-svn: 15260
 2004-07-27 06:40:37 +00:00
Reid Spencer
b339652b44 bug 122: 
- Replace ConstantPointerRef usage with GlobalValue usage
- Minimize redundant isa<GlobalValue> usage
- Correct isa<Constant> for GlobalValue subclass

llvm-svn: 14942
 2004-07-18 00:18:30 +00:00
Chris Lattner
bb7fe18493 Fixes for PR341 
llvm-svn: 14843
 2004-07-15 02:31:46 +00:00
Reid Spencer
50ec3f9325 Add #include <iostream> since Value.h does not #include it any more. 
llvm-svn: 14622
 2004-07-04 12:19:56 +00:00
Chris Lattner
7d6a9bf05c Initial checkin of a simple mod/ref analysis for global variables. This is 
still overly conservative and uses very simple data structures, but it is a
start, and allows elimination of a lot of loads.

llvm-svn: 14462
 2004-06-28 06:33:13 +00:00
Chris Lattner
a77dd6edec Moving to lib/Analysis/DataStructure 
llvm-svn: 14450
 2004-06-28 00:29:42 +00:00
Chris Lattner
d6e23a5104 Fix header 
llvm-svn: 14394
 2004-06-25 04:24:22 +00:00
Misha Brukman
699226cbe4 File requires IPA, moved to lib/Analysis/IPA 
llvm-svn: 14330
 2004-06-22 19:04:53 +00:00
Misha Brukman
f940c277df File depends on MemoryDepAnalysis (DSA); moved to lib/Analysis/DataStructure 
llvm-svn: 14327
 2004-06-22 18:28:37 +00:00
Misha Brukman
170b8a80de Files depend on DSA, moved to lib/Analysis/DataStructure 
llvm-svn: 14326
 2004-06-22 18:13:24 +00:00
Chris Lattner
1515fd1851 Add some notes so I can throw away one of my many todo lists. 
llvm-svn: 14046
 2004-06-05 20:12:36 +00:00
Chris Lattner
2afbad063f Don't send random junk to CachedWriter's. Also remove a cast that could be 
problematic when Type does not derive from Value.

llvm-svn: 14022
 2004-06-04 20:25:55 +00:00
Chris Lattner
37c8081a07 Minor efficiency gain: do 1 nlogn lookup instead of two 
Code cleanup

llvm-svn: 13875
 2004-05-28 05:36:49 +00:00
Chris Lattner
91633c1b92 Fix warnings about reaching end of non-void function 
llvm-svn: 13852
 2004-05-27 20:57:01 +00:00
Chris Lattner
fa5d566d95 Add a simple implementation of Andersen's interprocedural pointer analysis 
llvm-svn: 13666
 2004-05-23 21:00:47 +00:00
Chris Lattner
7c723ecb57 Fine grainify namespacification 
llvm-svn: 13436
 2004-05-09 06:22:29 +00:00
Chris Lattner
f5f6f8c0de Fix a problem with double freeing memory. For some reason, CallGraph is not 
acting like a normal pass.  :(

llvm-svn: 13318
 2004-05-02 16:06:18 +00:00
Chris Lattner
099edda1b1 Plug a minor memory leak 
llvm-svn: 13317
 2004-05-02 07:31:34 +00:00
Misha Brukman
f8b734296e Send text and numbers directly to CachedWriter's contained ostream. 
llvm-svn: 13243
 2004-04-28 18:52:43 +00:00
Chris Lattner
02c65b5395 Changes to fix up the inst_iterator to pass to boost iterator checks. This 
patch was graciously contributed by Vladimir Prus.

llvm-svn: 13185
 2004-04-27 15:13:33 +00:00
Chris Lattner
e340657a23 Pass the callgraph not the module 
llvm-svn: 13087
 2004-04-20 21:52:26 +00:00
Chris Lattner
c3714a870c Add the ability for SCC passes to initialize and finalize themselves 
llvm-svn: 13084
 2004-04-20 21:30:06 +00:00
Chris Lattner
12e1831ffe Change the call graph class to have TWO external nodes, making call graph 
SCC passes much more useful.  In particular, this should fix the incredibly
stupid missed inlining opportunities that the inliner suffered from.

llvm-svn: 12860
 2004-04-12 05:36:32 +00:00
Misha Brukman
da119ce857 Make code more readable. 
llvm-svn: 12305
 2004-03-12 00:58:41 +00:00
Chris Lattner
ed36ca5f13 getNodes() is gone 
llvm-svn: 11166
 2004-02-07 23:57:26 +00:00
Chris Lattner
a08ef02e96 Cleanups 
llvm-svn: 9907
 2003-11-12 00:40:34 +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
b63e179816 More additions 
llvm-svn: 9834
 2003-11-09 19:54:30 +00:00
Chris Lattner
a3444ad7e0 Add more functions 
llvm-svn: 9826
 2003-11-09 04:10:41 +00:00
Chris Lattner
6e7ff9a44d None of the __llvm_* functions call into the program. This makes the 
callgraph MUCH simpler for eh using program.

llvm-svn: 9825
 2003-11-09 04:00:59 +00:00
Chris Lattner
b5a2959ef2 Fix name collision 
llvm-svn: 9722
 2003-11-05 05:55:45 +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
9c85e0b72c Make the call graph more precise despite the hated constantpointerrefs. 
Do you detect the animosity I feel towards CPRs yet?

llvm-svn: 9640
 2003-10-31 21:05:12 +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
305fcb1536 Fix PR62, and llvm/test/Regression/CBackend/2003-10-28-CastToPtrToStruct.ll 
ConstantExpr's can use unrelated types, make sure to scan them.

llvm-svn: 9569
 2003-10-28 23:09:45 +00:00
Chris Lattner
28732137bc Fix bug: CBackend/2003-10-23-UnusedType.ll and hopefully 252.eon 
llvm-svn: 9441
 2003-10-23 19:30:30 +00:00
Chris Lattner
307255971c This is a disgusting hack that improves code substantially, by making 
callgraphSCC passes more effective.

llvm-svn: 9384
 2003-10-22 18:53:31 +00:00
John Criswell
71d2894956 Added LLVM copyright notice to Makefiles. 
llvm-svn: 9312
 2003-10-20 22:26:57 +00:00
John Criswell
b402729b30 Added LLVM project notice to the top of every C++ source file. 
Header files will be on the way.

llvm-svn: 9298
 2003-10-20 19:43:21 +00:00
Chris Lattner
87843f87b8 Change the Opcode enum for PHI nodes from "Instruction::PHINode" to "Instruction::PHI" to be more consistent with the other instructions. 
llvm-svn: 9269
 2003-10-19 21:34:28 +00:00
Chris Lattner
b6c8569f05 Regularize header file comments 
llvm-svn: 9071
 2003-10-13 03:32:08 +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
98d4e5dffc These two conditions are not exclusive!! 
llvm-svn: 8518
 2003-09-15 04:35:16 +00:00
Chris Lattner
f3c318737f Make the print output more useful 
llvm-svn: 8517
 2003-09-15 04:29:37 +00:00
Misha Brukman
b9a4ddbfc5 Fixed spelling and grammar. 
llvm-svn: 8478
 2003-09-11 18:14:24 +00:00
Chris Lattner
0620f3d2fa Replace M with F when refering to functions 
llvm-svn: 8274
 2003-08-31 20:36:52 +00:00
Chris Lattner
f72da72785 Rename TarjanSCCIterator -> scc_iterator 
* Increases consistency with other iterators (e.g. df_iterator, po_iterator...)
  * It's shorter
  * We don't name classes by the implementation, we name it for the interface!

llvm-svn: 8273
 2003-08-31 20:01:57 +00:00
Chris Lattner
1b262a5395 Remove dead var 
llvm-svn: 8270
 2003-08-31 19:54:57 +00:00
Chris Lattner
acd5eb1663 The SCC::HasLoop method is now in the main iterator 
llvm-svn: 8269
 2003-08-31 19:51:38 +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
8314d710a6 Move the getAnalysisUsage method from the header file 
llvm-svn: 8264
 2003-08-31 19:40:57 +00:00
Chris Lattner
87aba3e3d5 The tarjan iterator now returns a reference to the current SCC, not a possibly null pointer! 
llvm-svn: 8262
 2003-08-31 19:35:16 +00:00
Chris Lattner
9e2279bd9d Minor cleanups 
Iterate from tarj_begin -> tarj_end, not from tarj_begin -> NULL

llvm-svn: 8260
 2003-08-31 19:29:52 +00:00
Chris Lattner
0fd60ef271 Initial checkin of the CallGraphSCCPass class 
llvm-svn: 8247
 2003-08-31 01:54:59 +00:00
Chris Lattner
c25494f95e Remove unnecessary use of NonCopyable 
llvm-svn: 7641
 2003-08-06 17:16:24 +00:00
Chris Lattner
2ce6424601 Adjust for new DSGraph API 
llvm-svn: 6993
 2003-06-30 03:14:54 +00:00
Chris Lattner
fb76ebe95a Fix bug: CBackend/2003-05-31-MissingStructName.ll 
llvm-svn: 6495
 2003-05-31 23:30:52 +00:00
Chris Lattner
01cbfa9317 Eliminate unnecessary ->get calls that are now automatically handled. 
llvm-svn: 6397
 2003-05-29 15:12:27 +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
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
77e422543e * Eliminate boolean arguments in favor of using enums 
llvm-svn: 5420
 2003-01-23 22:06:33 +00:00
Chris Lattner
8d4b4b020e Remove #includes 
llvm-svn: 4968
 2002-12-12 03:47:27 +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
8788221a72 (1) Bug fix that was causing nodes with dangling references to be freed. 
We run removeDeadNodes() on the TD graph up front before using it.
(2) Major enhancement to printing of results: now we list the actual objects
    that are mod/ref instead of just printing the bit vectors.
Also an important bug fix in TDDataStructures pass (no change here):
clear Mod/Ref bits of callers before inlining into a function.

llvm-svn: 4833
 2002-11-27 17:37:46 +00:00
Chris Lattner
3b303e5ab8 Fix bug 
llvm-svn: 4697
 2002-11-11 22:23:56 +00:00
Chris Lattner
8cd66f734f Reduce amount of work needed to compute ip/modref 
llvm-svn: 4637
 2002-11-08 22:17:01 +00:00
Chris Lattner
30e3d26423 Fix IPModRef to use new DS interface 
llvm-svn: 4628
 2002-11-08 19:13:14 +00:00
Chris Lattner
f13f9c585e Implement ResolveCallSiteModRefInfo for IPModRef. computeModRef is not yet done though! 
llvm-svn: 4602
 2002-11-07 07:12:23 +00:00
Chris Lattner
a0d26350c6 Fix problem with dangling referrers 
llvm-svn: 4595
 2002-11-07 05:00:35 +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
0e158e64ff Remove a couple of #includes, move some code from .h file 
llvm-svn: 4575
 2002-11-06 18:38:18 +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
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
34d9c4ec10 Make users of FindUsedTypes not have problems with linkage. This fixes 
Cwriter.

llvm-svn: 3900
 2002-09-24 00:07:21 +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
ec2780457d * Standardize how analysis results/passes as printed with the print() virtual 
methods
* Eliminate AnalysisID:  Now it is just a typedef for const PassInfo*
* Simplify how AnalysisID's are initialized
* Eliminate Analysis/Writer.cpp/.h: incorporate printing functionality into
  the analyses themselves.

llvm-svn: 3116
 2002-07-27 01:12:17 +00:00
Chris Lattner
7a9eb848cd * Add support for different "PassType's" 
* Add new RegisterOpt/RegisterAnalysis templates for registering passes that
  are to show up in opt or analyze
* Register Analyses now
* Change optimizations to use RegisterOpt instead of RegisterPass
* Add support for different "PassType's"
* Add new RegisterOpt/RegisterAnalysis templates for registering passes that
  are to show up in opt or analyze
* Register Analyses now
* Change optimizations to use RegisterOpt instead of RegisterPass
* Remove getPassName implementations from various subclasses

llvm-svn: 3113
 2002-07-26 21:12:46 +00:00
Chris Lattner
b934722f1b * Add support for different "PassType's" 
* Add new RegisterOpt/RegisterAnalysis templates for registering passes that
  are to show up in opt or analyze
* Register Analyses now
* Change optimizations to use RegisterOpt instead of RegisterPass
* Add support for different "PassType's"
* Add new RegisterOpt/RegisterAnalysis templates for registering passes that
  are to show up in opt or analyze
* Register Analyses now
* Change optimizations to use RegisterOpt instead of RegisterPass
* Remove getPassName implementations from various subclasses

llvm-svn: 3112
 2002-07-26 21:12:44 +00:00
Chris Lattner
d84989b112 *** empty log message *** 
llvm-svn: 3097
 2002-07-25 19:59:41 +00:00
Chris Lattner
57095bb78c *** empty log message *** 
llvm-svn: 3069
 2002-07-24 22:33:53 +00:00
Chris Lattner
24bcbdd155 *** empty log message *** 
llvm-svn: 3002
 2002-07-23 17:52:38 +00:00
Chris Lattner
0a387c1fc3 Convert Command Line option handling code to use the CommandLine 2.0 interface 
llvm-svn: 2983
 2002-07-22 02:08:59 +00:00
Chris Lattner
c6bae5e19e * s/method/function 
llvm-svn: 2958
 2002-07-18 04:43:16 +00:00
Chris Lattner
dfd421a7df MEGAPATCH checkin. 
For details, See: docs/2002-06-25-MegaPatchInfo.txt

llvm-svn: 2779
 2002-06-25 16:13:24 +00:00
Chris Lattner
fd8d5b852c Replace all usages of Type::isPointerType with isa<PointerType> 
llvm-svn: 2486
 2002-05-06 16:15:30 +00:00
Chris Lattner
96e0c48175 Eliminate duplicate or unneccesary #include's 
llvm-svn: 2397
 2002-04-29 17:42:12 +00:00
Chris Lattner
536cf1b13f * Rename MethodPass class to FunctionPass 
- Rename runOnMethod to runOnFunction
* Transform getAnalysisUsageInfo into getAnalysisUsage
  - Method is now const
  - It now takes one AnalysisUsage object to fill in instead of 3 vectors
    to fill in
  - Pass's now specify which other passes they _preserve_ not which ones
    they modify (be conservative!)
  - A pass can specify that it preserves all analyses (because it never
    modifies the underlying program)
* s/Method/Function/g in other random places as well

llvm-svn: 2333
 2002-04-27 06:56:12 +00:00
Chris Lattner
866bf47eff Print out what the root of the call graph is. 
llvm-svn: 2223
 2002-04-10 20:31:44 +00:00
Chris Lattner
7ae20d642d Add #includes to make up for #includes pruned out of header files. 
llvm-svn: 2207
 2002-04-09 18:37:46 +00:00
Chris Lattner
bc15ae64dd Change references to the Method class to be references to the Function 
class.  The Method class is obsolete (renamed) and all references to it
are being converted over to Function.

llvm-svn: 2144
 2002-04-07 20:49:59 +00:00
Chris Lattner
5df9c977e1 s/Method/Function 
llvm-svn: 2043
 2002-03-29 17:08:29 +00:00
Chris Lattner
57efd6ffd1 change refs to Method to Function 
Change references to MEthodArgument to FunctionArgument

llvm-svn: 1989
 2002-03-26 17:55:33 +00:00
Chris Lattner
0c7a32d2f4 Initial checkin 
llvm-svn: 1831
 2002-03-07 20:16:38 +00:00
Chris Lattner
0f0ed63279 Clean up call graph, add comments, and fix test/Regression/Other/2002-01-31-CallGraph.ll 
llvm-svn: 1828
 2002-03-06 20:19:35 +00:00
Chris Lattner
ed067d6d91 Move call graph printing support out of Writer.h into Callgraph.h 
remove dead global function

llvm-svn: 1825
 2002-03-06 18:00:49 +00:00
Chris Lattner
962e012ad5 Take CallGraph out of the CFG namespace. It has nothing to do with CFGs 
llvm-svn: 1820
 2002-03-06 17:16:43 +00:00
Chris Lattner
8e9be000a7 * Pull BasicBlock::pred_* and BasicBlock::succ_* out of BasicBlock.h and into 
llvm/Support/CFG.h
* Make pred & succ iterators for intervals global functions
* Add #includes that are now neccesary because BasicBlock.h doesn't include
  InstrTypes.h anymore

llvm-svn: 1750
 2002-02-12 22:39:50 +00:00
Chris Lattner
b0a2c5546b Method.h no longer includes BasicBlock.h 
Method::inst_* is now in llvm/Support/InstIterator.h
GraphTraits specializations for BasicBlock and Methods are now in llvm/Support/CFG.h

llvm-svn: 1746
 2002-02-12 21:07:25 +00:00
Chris Lattner
15c05486cc Convert analyses to new pass structure 
llvm-svn: 1603
 2002-01-31 00:42:27 +00:00
Chris Lattner
2521ae1011 Implement a more powerful, simpler, pass system. This pass system can figure 
out how to run a collection of passes optimially given their behaviors and
charactaristics.

Convert code to use it.

llvm-svn: 1507
 2002-01-21 07:31:50 +00:00
Chris Lattner
3dc9a2a61f Changes to build successfully with GCC 3.02 
llvm-svn: 1503
 2002-01-20 22:54:45 +00:00
Chris Lattner
c4a5815033 Renamed inst_const_iterator -> const_inst_iterator 
Renamed op_const_iterator   -> const_op_iterator
Renamed PointerType::getValueType() -> PointerType::getElementType()

llvm-svn: 1408
 2001-12-04 00:03:30 +00:00
Chris Lattner
463cc31132 Create a new #include "Support/..." directory structure to move things 
from "llvm/Support/..." that are not llvm dependant.

Move files and fix #includes

llvm-svn: 1400
 2001-11-27 00:03:19 +00:00
Chris Lattner
7b9b59f437 Implement a new entry node that has edges to all external methods in the module 
llvm-svn: 1369
 2001-11-26 18:51:25 +00:00
Chris Lattner
37955a1d28 New pass to find types in use by a program 
llvm-svn: 1232
 2001-11-09 05:27:21 +00:00
Chris Lattner
41f173e9d0 Print the method that makes an instruction invalid 
llvm-svn: 1213
 2001-11-08 19:29:51 +00:00
Chris Lattner
15b45d9783 Initial checkin of pointer safety checker 
llvm-svn: 1181
 2001-11-07 21:16:12 +00:00
Vikram S. Adve
5b5546998a Added function IsLeafMethod to identify leaf methods. 
This will use the CallGraph only if one is provided.

llvm-svn: 950
 2001-10-22 13:55:46 +00:00
Chris Lattner
684b485035 * Add support for Invoke instructions 
* Add support for indirect calls

llvm-svn: 752
 2001-10-13 06:33:19 +00:00
Chris Lattner
08b1dde37e Commit more code over to new cast style 
llvm-svn: 697
 2001-10-02 03:41:24 +00:00
Chris Lattner
74c4c61d71 Initial support for construction of a call graph 
llvm-svn: 660
 2001-09-28 00:08:15 +00:00