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22 Commits

Author SHA1 Message Date
Anna Zaks
9a008bb7f8 Call Graph: Only the root node is allowed to have an invalid Decl*. 
llvm-svn: 152350
 2012-03-08 23:16:26 +00:00
Daniel Dunbar
eb72532098 Remove stray semi-colon. 
llvm-svn: 152331
 2012-03-08 20:28:59 +00:00
Anna Zaks
c000e7ed3d Add a basic CallGraph to Analysis. 
The final graph contains a single root node, which is a parent of all externally available functions(and 'main'). As well as a list of Parentless/Unreachable functions, which are either truly unreachable or are unreachable due to our analyses imprecision.

The analyzer checkers debug.DumpCallGraph or debug.ViewGraph can be used to look at the produced graph.

Currently, the graph is not very precise, for example, it entirely skips edges resulted from ObjC method calls.

llvm-svn: 152272
 2012-03-08 00:42:23 +00:00
Daniel Dunbar
19a30ca8c0 Fix layering violation by moving Analysis/CallGraph to Index 
llvm-svn: 90424
 2009-12-03 07:20:04 +00:00
Tobias Grosser
9fc223a6b1 Adapt to the DOTGraphTraits changes in LLVM. 
llvm-svn: 90137
 2009-11-30 14:16:05 +00:00
Benjamin Kramer
f4c511b026 Change *BugReport constructors to take StringRefs. 
- Eliminates many calls to std::string.c_str()
- Fixes an invalid read in ReturnStackAddressChecker due to an unsafe call to
  StringRef.data() which doesn't guarantee null-termination.

llvm-svn: 88779
 2009-11-14 12:08:24 +00:00
Zhongxing Xu
cb131542f1 make CallGraph more flexible by letting it accept ASTContext instead of ASTUnit. 
Patch by Simone Pellegrini.

llvm-svn: 85386
 2009-10-28 12:23:03 +00:00
Argyrios Kyrtzidis
4cbe85904c Modify ASTLocation and apart from being a Decl or Stmt, allow it to also be: 
-A NamedDecl reference
-A TypeLoc

llvm-svn: 83095
 2009-09-29 19:44:27 +00:00
Argyrios Kyrtzidis
81aba1fe53 Add more const-goodness to ASTLocation. 
llvm-svn: 83087
 2009-09-29 19:39:53 +00:00
Mike Stump
11289f4280 Remove tabs, and whitespace cleanups. 
llvm-svn: 81346
 2009-09-09 15:08:12 +00:00
Zhongxing Xu
30ac7607be Add getDecl() to CallGraph and CallGraphNode. 
llvm-svn: 76940
 2009-07-24 03:41:11 +00:00
Zhongxing Xu
ee5d708e55 Add two nodes to the call graph: 
- Root is the main function or 0.
 - ExternalCallingNode has edges to all external functions.

llvm-svn: 76876
 2009-07-23 13:39:38 +00:00
Zhongxing Xu
a598e5c9d5 Add template specializations to view the call graph in dot format. 
- change the DenseMap used in callgraph to std::map, since DenseMap cannot
   be used with mapped_iterator and friends.

llvm-svn: 76874
 2009-07-23 09:04:23 +00:00
Argyrios Kyrtzidis
8274ad5281 Remove the ASTContext parameter from Entity::getPrintableName(). 
llvm-svn: 76546
 2009-07-21 07:52:21 +00:00
Argyrios Kyrtzidis
05ac8276cf Change the semantics for Entity. 
Entity can now refer to declarations that are not visible outside the translation unit.
It is a wrapper of a pointer union, it's either a Decl* for declarations that don't
"cross" translation units, or an EntityImpl* which is associated with the specific "visible" Decl.

Included is a test case for handling fields across translation units.

llvm-svn: 76515
 2009-07-21 00:07:06 +00:00
Zhongxing Xu
4b9f2d082a Replace stmt visitors with the fall back method. 
llvm-svn: 76294
 2009-07-18 08:49:07 +00:00
Zhongxing Xu
9d05213899 Rename Entity::getName() to Entity::getPrintableName() to make its purpose 
more obvious.

llvm-svn: 76167
 2009-07-17 07:49:44 +00:00
Zhongxing Xu
3436f58e40 As suggested by Argyrios, revert r76159 and make "FindImmediateParent" 
a public static method of ASTLocation.

llvm-svn: 76166
 2009-07-17 07:36:20 +00:00
Zhongxing Xu
3c8fa978ad Refactor code into a new CallExpr::getDirectCallee() method. Simplify some 
code with the new method.

llvm-svn: 76164
 2009-07-17 07:29:51 +00:00
Zhongxing Xu
2391d265ed CallGraph: add a bunch of stmt visitors. 
llvm-svn: 76161
 2009-07-17 07:05:19 +00:00
Zhongxing Xu
6c1b35a0ef CallGraph: 
- add IfStmt visitor.
 - print information only when a function has callee. Otherwise its ASTContext
   map is NULL.

llvm-svn: 76156
 2009-07-17 05:49:16 +00:00
Zhongxing Xu
bc6eb71f31 Commit the initial implementation of call graph building. 
llvm-svn: 75873
 2009-07-16 00:54:12 +00:00