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40 Commits

Author SHA1 Message Date
Chris Lattner
8a59e8be23 simplify AnalysisGroup registration, eliminating one typeid call. 
llvm-svn: 29932
 2006-08-28 00:42:29 +00:00
Chris Lattner
a39dcb5377 eliminate RegisterOpt. It does the same thing as RegisterPass. 
llvm-svn: 29925
 2006-08-27 22:42:52 +00:00
Misha Brukman
122d682689 Remove trailing whitespace 
llvm-svn: 21416
 2005-04-21 21:13:18 +00:00
Chris Lattner
6b31704450 remove ... 
llvm-svn: 20883
 2005-03-27 21:57:09 +00:00
Chris Lattner
de6cc372e3 Don't give up completely, maybe other AA can say something about this. 
llvm-svn: 20873
 2005-03-27 00:02:33 +00:00
Chris Lattner
b84076a278 Cache mapping information for a call site after computing it for a mod/ref 
query.  If the next mod/ref query happens to be for the same call site
(which is extremely likely), use the cache instead of recomputing the
callee/caller mapping.  This makes -aa-eval ***MUCH*** faster with
ds-aa

llvm-svn: 20871
 2005-03-26 23:29:03 +00:00
Chris Lattner
21d25dd835 Remove more long dead code: dsa doesn't provide must alias info 
llvm-svn: 20870
 2005-03-26 22:54:46 +00:00
Chris Lattner
8638fbf4d6 remove some unsafe code that has long been dead 
llvm-svn: 20869
 2005-03-26 22:48:42 +00:00
Chris Lattner
ee96215ded slightly improve mod/ref for DSAA by checking the globals graph for fallback 
llvm-svn: 20868
 2005-03-26 22:47:03 +00:00
Chris Lattner
586f97a8b6 teach ds-aa about mod/ref for external function calls. 
llvm-svn: 20801
 2005-03-24 03:04:50 +00:00
Chris Lattner
995ce252d8 implement Analysis/DSGraph/field-sensitive.ll 
llvm-svn: 20779
 2005-03-23 01:47:19 +00:00
Chris Lattner
51f7c8a068 #ifdef out a function only used by #ifdef'd code. 
llvm-svn: 20700
 2005-03-20 02:14:15 +00:00
Chris Lattner
a9f266472f fix a bogus assertion 
llvm-svn: 20675
 2005-03-18 23:18:30 +00:00
Chris Lattner
57989f2b9a Rewrite DSAA::getModRefInfo to compute the mapping between caller and callee 
to determine mod/ref behavior, instead of creating a *copy* of the caller
graph and inlining the callee graph into the copy.

This speeds up aa-eval on Ptrdist/yacr2 from 109.13s to 3.98s, and gives
identical results.  The speedup is similar on other programs.

llvm-svn: 20669
 2005-03-18 00:21:03 +00:00
Chris Lattner
be0eb11431 add some possibly bogus assertions. 
llvm-svn: 20665
 2005-03-17 20:33:27 +00:00
Chris Lattner
5368664b75 simplify this function a bit, allow DS-AA to build on/improve the mod/ref 
results returned by AA, not just use one or the other.

llvm-svn: 20662
 2005-03-17 20:16:58 +00:00
Chris Lattner
44cbb1f79f Two changes: 
1. Chain to the parent implementation of M/R analysis if we can't find
     any information.  It has some heuristics that often do well.
  2. Do not clear all flags, this can make invalid nodes by turning nodes
     that used to be collapsed into non-collapsed nodes (fixing crashes)

llvm-svn: 20659
 2005-03-17 19:56:18 +00:00
Chris Lattner
f03b87704f Make -ds-aa more useful, allowing it to be updated as xforms hack on the program. 
llvm-svn: 19818
 2005-01-24 20:00:14 +00:00
Jeff Cohen
f692cd303d Add last four createXxxPass functions 
llvm-svn: 19424
 2005-01-09 20:42:52 +00:00
Reid Spencer
d0d846cd06 For PR387:\ 
Add getModRefInfo method to avoid overloaded virtuals

llvm-svn: 18601
 2004-12-07 08:11:24 +00:00
Chris Lattner
43c0372c0b 'Pass' should now not be derived from by clients. Instead, they should derive 
from ModulePass.  Instead of implementing Pass::run, then should implement
ModulePass::runOnModule.

llvm-svn: 16436
 2004-09-20 04:48:05 +00:00
Chris Lattner
7e0d8f8084 Move all of the DSA headers into the Analysis/DataStructure subdir. 
llvm-svn: 14663
 2004-07-07 06:32:21 +00:00
Chris Lattner
1336a3f17a Updates to work with the new auto-forwarding AA interface changes 
llvm-svn: 13682
 2004-05-23 21:14:27 +00:00
Chris Lattner
430a61e786 If an object is not in the scalar map then it must be a global from another 
graph.

llvm-svn: 13173
 2004-04-26 14:44:08 +00:00
Misha Brukman
ee27e80a0b Implement getModRefInfo() for DSA to calculate whether a function modifies or 
references a pointer.

llvm-svn: 12330
 2004-03-12 06:14:22 +00:00
Chris Lattner
0127841d4e Forward method request to chained aa implementation 
llvm-svn: 11024
 2004-01-30 22:20:55 +00:00
Chris Lattner
25f95d2b7c minor cleanups 
llvm-svn: 10985
 2004-01-27 21:51:19 +00:00
Chris Lattner
b60823472a Fine-grainify namespaces for this library 
llvm-svn: 9948
 2003-11-12 23:11:14 +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
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
Misha Brukman
b9a4ddbfc5 Fixed spelling and grammar. 
llvm-svn: 8478
 2003-09-11 18:14:24 +00:00
Chris Lattner
86c8f822ec Disable incorrect mustalias code 
llvm-svn: 7087
 2003-07-02 23:56:51 +00:00
Chris Lattner
95c5313776 Reduce amount of work we do calculating mustaliases if the arg is a global 
llvm-svn: 7062
 2003-07-02 04:39:13 +00:00
Chris Lattner
b932c794ee Expose must alias information for global variables, implementing: DSGraph/mustalias.ll 
llvm-svn: 6973
 2003-06-29 00:54:08 +00:00
Chris Lattner
5f90382628 Avoid double negatives 
llvm-svn: 6945
 2003-06-28 21:58:28 +00:00
Chris Lattner
0a0266865a Remove support for the MultiObject flag, which was fundamentally broken 
llvm-svn: 6840
 2003-06-22 03:03:52 +00:00
Chris Lattner
365e583866 * Changes to make NodeType be private to DSNode. 
* Add new MultiObject flag to DSNode which keeps track of whether or not
  multiple objects have been merged into the node, allowing must-alias info
  to be tracked.

llvm-svn: 6794
 2003-06-19 21:15:11 +00:00
Chris Lattner
4162adcfee Adjust to implement new AA interface 
llvm-svn: 5638
 2003-02-26 19:29:36 +00:00
Chris Lattner
b056679b1e Don't bother counting alias results, allow the AliasAnalysisCounter to do that. 
llvm-svn: 5505
 2003-02-07 20:39:48 +00:00
Chris Lattner
2a3c476fd4 Initial implementation of ds-aa 
llvm-svn: 5484
 2003-02-03 22:50:46 +00:00