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19689af3bb
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142 Commits

Author SHA1 Message Date
Chris Lattner
19689af3bb Support resolving function arguments/return values to pointers that index 
into other objects.

llvm-svn: 2094
 2002-04-01 22:20:48 +00:00
Chris Lattner
62756e4208 Avoid incorrectly adding null values to the scalar map! 
llvm-svn: 2085
 2002-04-01 00:45:09 +00:00
Chris Lattner
e66e651b68 Critical shadow nodes no do not know their parent explictly. 
llvm-svn: 2084
 2002-04-01 00:15:30 +00:00
Chris Lattner
61f6065cef Minor cleanups (use dyn_cast instead of testing manually) 
Shadow nodes now don't explicitly know their parent.

llvm-svn: 2083
 2002-04-01 00:14:41 +00:00
Chris Lattner
a68c92a3d4 Allow merging of identical call nodes. Make the shadow node pointed to 
by the call node noncritical before the call is destroyed.

llvm-svn: 2082
 2002-04-01 00:13:56 +00:00
Chris Lattner
f9097b54be Increase limit for perimeter 
llvm-svn: 2081
 2002-04-01 00:12:58 +00:00
Chris Lattner
42145d8a25 Unify the destruction code used for node pairs vs normal nodes. This was 
causing a problem before because global values with incoming edges didn't
copy the incoming edges to the node they were being merged from, causing
the poolalloc pass to die.

llvm-svn: 2079
 2002-03-31 19:57:44 +00:00
Chris Lattner
8528806b33 * Move the isEquivalentTo implementations here. They can probably be put 
someplace nicer in the file though.
* Add new dump method for debugging

llvm-svn: 2064
 2002-03-31 07:16:08 +00:00
Chris Lattner
d2c39a02f7 Print out the instruction instead of just the address! 
llvm-svn: 2063
 2002-03-31 07:15:20 +00:00
Chris Lattner
aba1ef6fc9 * Move isEquivalentTo implementations to NodeImpl 
* Implement a new form of node folding to catch cases missed in Addtree
* Add removeIndistinguishableNodePairs to merge calls (todo) and globals

llvm-svn: 2062
 2002-03-31 07:14:52 +00:00
Chris Lattner
f1a2a9c168 * Convert CallMap to be a vector, because the keys can change, and the map 
doesn't resort!
* Be more generous with the cached matches that we allow now.
* Recursive calls should all work now!

llvm-svn: 2061
 2002-03-31 07:13:27 +00:00
Chris Lattner
5df9c977e1 s/Method/Function 
llvm-svn: 2043
 2002-03-29 17:08:29 +00:00
Chris Lattner
cab0ce8244 Implement getEscapingAllocations & getNonEscapingAllocations 
llvm-svn: 2021
 2002-03-28 19:33:00 +00:00
Chris Lattner
513ecd7256 * Rename UnlinkUndistinguishableShadowNodes & RemoveUnreachableShadowNodes 
to reflect that they can eliminate arbitrary nodes.
* Rename the ShadowNodeEliminate.cpp file to EliminateNodes.cpp for the
  same reason

llvm-svn: 2020
 2002-03-28 19:16:48 +00:00
Chris Lattner
fa67ad938c Ooops, I did such a great job pruning nodes, that I accidentally deleted 
ALL allocation nodes... hrm... bad.

llvm-svn: 2018
 2002-03-28 18:38:38 +00:00
Chris Lattner
55186e7abf Many changes 
* Simplify a lot of the inlining stuff.  There are still problems, but not
  many
* Break up the Function representation to have a vector for every different
  node type so it is fast to find nodes of a particular flavor.
* Do more intelligent merging of call values
* Allow elimination of unreachable shadow and allocation nodes
* Generalize indistinguishability testing to allow merging of identical calls.
* Increase shadow node merging power

llvm-svn: 2010
 2002-03-28 17:56:03 +00:00
Chris Lattner
d771725ed1 * Add #define to enabled debug messages 
* Move removeEdgesTo to be a member of DSNode
* Implement (but #ifdef out) the new, spiffier, method of determining
  shadow node equivalence.  This cannot be enabled until more is
  implemented.

llvm-svn: 2004
 2002-03-27 19:48:03 +00:00
Chris Lattner
4c6e9cda3f * Implement DSNode::removeAllIncomingEdges 
* Implement Critical Shadow node handling
* Implement routines to determine whether an allocation node is a malloc
  or alloca

llvm-svn: 2003
 2002-03-27 19:46:05 +00:00
Chris Lattner
a16c85b43d * Add critical node support 
* Optimize graph after building it.  This should be unneccesary in the future

llvm-svn: 2002
 2002-03-27 19:45:12 +00:00
Chris Lattner
9aff5a8047 * Destroy alloca nodes when a graph gets inlined 
* Add links to all subtrees when a shadow node gets resolved
* Add critical node handling

llvm-svn: 2001
 2002-03-27 19:44:33 +00:00
Chris Lattner
2a3d6c83ff * Optimizers return true on change 
* Implement indistinguishable shadow node elimination

llvm-svn: 1999
 2002-03-27 00:55:13 +00:00
Chris Lattner
ae0192e2f6 Fix long line 
llvm-svn: 1998
 2002-03-27 00:54:31 +00:00
Chris Lattner
8a44f81684 * Because of optimization, the shadow nodes between arguments might get 
removed.  Check to see if they are there.
* Repeat optimizations while changing

llvm-svn: 1997
 2002-03-27 00:53:57 +00:00
Chris Lattner
d5b115e687 Initial checkin of Datastructure analysis. 
Has bugs, but shouldn't crash in theory.

llvm-svn: 1994
 2002-03-26 22:39:06 +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
c481e92886 Rename Method to Function 
llvm-svn: 1957
 2002-03-23 22:51:58 +00:00
Vikram S. Adve
92fb8b1f9c Fixed several problems with handling arguments to Phis. 
llvm-svn: 1910
 2002-03-18 03:47:26 +00:00
Vikram S. Adve
cd6cb1962f Big bug fix: killed uses were being inserted instead of erased! 
Also added a set of debug options.

llvm-svn: 1909
 2002-03-18 03:45:41 +00:00
Chris Lattner
8cc6186707 Fix test/Regression/Other/2002-03-14-ValueToLarge.ll. Note that this 
fix could be better, but we don't have the infrastructure to find out what
size types are yet.

llvm-svn: 1876
 2002-03-14 22:35:50 +00:00
Chris Lattner
35c1c7353b Bugfix for test/Regression/Other/2002-03-11-ExprAssertion.ll 
llvm-svn: 1856
 2002-03-11 20:50:24 +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
cc1fa55c61 Pull interprocedural analyses out of Analysis library into their own lib 
llvm-svn: 1827
 2002-03-06 18:44:29 +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
b10862d793 Make it compile with GCC 3.0.4 
llvm-svn: 1786
 2002-02-24 23:01:21 +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
3b3ee75819 Convert BBLiveVar to be a BasicBlock annotation, this removes the BB2BBLVMap from MethodLiveVarInfo. 
llvm-svn: 1721
 2002-02-05 06:52:25 +00:00
Chris Lattner
e282c0b592 Convert operand iterator over to work like an STL iterator 
llvm-svn: 1720
 2002-02-05 06:02:59 +00:00
Chris Lattner
5337fbec40 Minor change: Methods that return ValueSet's that are guaranteed to be valid 
return references instead of pointers.

llvm-svn: 1719
 2002-02-05 04:20:12 +00:00
Chris Lattner
164a9ea118 Must include SetOperations to do set_* 
llvm-svn: 1716
 2002-02-05 03:35:53 +00:00
Chris Lattner
c77877fb46 Remove generic routines to Support/SetOperations.h 
llvm-svn: 1715
 2002-02-05 03:35:31 +00:00
Chris Lattner
6c0cbc3009 Remove empty files 
llvm-svn: 1713
 2002-02-05 02:52:53 +00:00
Chris Lattner
dc3aec7a90 * Eliminate the LiveVarSet class, making applyTranferFuncForMInst a static 
function in the one .cpp file that uses it.  Use ValueSet's instead.
* Prepare to delete LiveVarSet.h & LiveVarSet.cpp
* Eliminate the ValueSet class, making all old member functions into global
  templates that will eventually be moved to Support.

llvm-svn: 1711
 2002-02-05 02:51:01 +00:00
Chris Lattner
a8170f0944 * Code Cleanups 
* Introduce RAV to allow stream I/O instead of using printValue

llvm-svn: 1710
 2002-02-05 01:43:49 +00:00
Chris Lattner
2f8b10ceef Changes neccesary due to the move of BBLiveVar.h to the lib/Analysis/LiveVar directory 
llvm-svn: 1709
 2002-02-05 00:43:37 +00:00
Chris Lattner
9684272bd9 * Give BBLiveVar.cpp a proper file header 
* applyFlowFunc DOES NOT NEED TO COPY the huge BB->BBLiveVar Map every time it is invoked!
* Big cleanups.
* Make BBLiveVar.h effectively an internal header file
* Prepare LiveVarMap.h for deletion

llvm-svn: 1706
 2002-02-05 00:34:50 +00:00
Chris Lattner
1181768743 * Big cleanups. 
* Make BBLiveVar.h effectively an internal header file
* Prepare LiveVarMap.h for deletion

llvm-svn: 1705
 2002-02-05 00:33:19 +00:00
Chris Lattner
79a488ee14 Code cleanups, no functional change 
llvm-svn: 1704
 2002-02-04 23:31:16 +00:00