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741453dd60
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169 Commits

Author SHA1 Message Date
Chris Lattner
741453dd60 Change the Dominator info and LoopInfo classes to keep track of BasicBlock's, not 
const BasicBlocks

llvm-svn: 2337
 2002-04-28 00:15:57 +00:00
Chris Lattner
2f0ee1833d s/Method/Function 
llvm-svn: 2336
 2002-04-27 07:27:19 +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
3f7a62a960 Add support for tracking array allocations 
llvm-svn: 2328
 2002-04-27 02:28:41 +00:00
Chris Lattner
4e52f71340 Allow the inline limit to be modified on the commandline for debugging 
llvm-svn: 2327
 2002-04-27 02:27:48 +00:00
Chris Lattner
078d292f4c Change Constant::getNullConstant to Constant::getNullValue 
llvm-svn: 2323
 2002-04-27 02:25:14 +00:00
Chris Lattner
e935ad94d0 Just use << isntead of forcing getStrValue 
llvm-svn: 2294
 2002-04-18 18:14:40 +00:00
Chris Lattner
bde9202648 Print argument scalars as ellipses instead of boxes 
llvm-svn: 2293
 2002-04-18 18:14:19 +00:00
Chris Lattner
a4add093c6 Inline indirect function calls that are only capable of calling one function 
llvm-svn: 2275
 2002-04-17 03:42:51 +00:00
Chris Lattner
59927296e4 Make data structure acurately get ALL edges, even loads of null fields of 
nodes that are not shadow nodes

This fixes em3d to be _correct_ if not optimial

llvm-svn: 2274
 2002-04-17 03:24:59 +00:00
Chris Lattner
0cda7182ba * Remove the concept of a critical shadow node 
* Make the function pointer argument explicit for a call nodes
* Eliminate unreachable global values
* Merge call nodes that are identical

llvm-svn: 2266
 2002-04-16 20:39:59 +00:00
Chris Lattner
11f9ff83ec * Eliminate ArgDSNode's completely, now rely on scalar map 
* Fold call nodes that are indistinguishable for each other.  This is a big
  win for external functions like sqrt, which would multiply dramatically
  before.
* Global nodes with no edges to or from them are now eliminated from the graph.

llvm-svn: 2257
 2002-04-16 03:44:03 +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
5e12c7caf5 Move FunctionArgument out of iOther.h into Argument.h and rename class to 
be 'Argument' instead of FunctionArgument.

llvm-svn: 2216
 2002-04-09 19:48:49 +00:00
Chris Lattner
b2038512b2 Add explicit #includes of Function.h to make up for the removed #include 
in iOther.h

llvm-svn: 2209
 2002-04-09 19:08:28 +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
0a8a112014 Don't leak all of the Loop objects created... 
llvm-svn: 2196
 2002-04-09 05:43:19 +00:00
Chris Lattner
5f86cf1a1c * General cleanups 
* In calcLiveVarSetsForBB, do not leak a ValueSet every time the function
  is called!

llvm-svn: 2189
 2002-04-09 05:14:14 +00:00
Chris Lattner
c8166cec07 s/Method/Function 
llvm-svn: 2180
 2002-04-08 22:03:57 +00:00
Chris Lattner
56e96eb88f isLabelType is obsolete 
llvm-svn: 2175
 2002-04-08 21:59:08 +00:00
Chris Lattner
0962b63d7c Play around with #includes 
llvm-svn: 2174
 2002-04-08 21:58:53 +00:00
Chris Lattner
49808e463c Add #includes that were pruned from already #included files 
llvm-svn: 2173
 2002-04-08 21:56:50 +00:00
Chris Lattner
44f14449c4 ConstantHandling moved into VMCore library 
llvm-svn: 2165
 2002-04-08 20:18:09 +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
5cbfde5744 Call nodes are never equivalent 
Shadow nodes are never critical.

llvm-svn: 2102
 2002-04-04 19:21:51 +00:00
Chris Lattner
d4c7ce8d78 Add hack to get timing of analysis 
llvm-svn: 2101
 2002-04-04 19:21:27 +00:00
Chris Lattner
3b604e846a * Eliminate commented out code 
* Do not demand a shadow node when resolving
* Raise arbitrary inline limit

llvm-svn: 2100
 2002-04-04 19:21:06 +00:00
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