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329 Commits

Author SHA1 Message Date
Chris Lattner
eb36733092 Handle bzero and memset in the local analysis, because we were missing the fact 
that memset returns its argument!!

llvm-svn: 9811
 2003-11-08 21:55:50 +00:00
Chris Lattner
28d77c2122 This doesn't use DSCallSiteIterator 
llvm-svn: 9809
 2003-11-08 21:17:37 +00:00
Chris Lattner
a71b07eeca All DSGraphs keep a reference to the targetdata they are created with. This is 
used to eliminate the hard coded, hacked in, sparc specific, global TargetData.
Changing the TargetData used to actually match the code fixes problems, and
eliminates a crash.

llvm-svn: 9659
 2003-11-02 22:27:28 +00:00
Chris Lattner
63fb5bcaac Fix bug: test/Regression/Analysis/DSGraph/2003-11-02-NodeCollapsing.ll 
llvm-svn: 9658
 2003-11-02 21:02:20 +00:00
John Criswell
de34542f41 Added LLVM copyright header. 
llvm-svn: 9321
 2003-10-21 15:17:13 +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
Alkis Evlogimenos
e6fdc87045 Use std::string::size_type for for ColonPos to stop gcc from giving a warning 
llvm-svn: 8811
 2003-10-01 22:49:22 +00:00
Chris Lattner
471405e2ba DOn't crash if program calls the null pointer 
llvm-svn: 8708
 2003-09-24 23:42:58 +00:00
Chris Lattner
883cc51630 Functions reachable from the arguments of unresolvable call nodes should 
not have their arguments marked complete

llvm-svn: 8639
 2003-09-20 23:58:33 +00:00
Chris Lattner
681a690f26 The Globals graph must become complete at the end of the BU phase! 
llvm-svn: 8638
 2003-09-20 23:27:05 +00:00
Chris Lattner
a85a2f8d86 Do not mark incoming arguments to functions complete if the function is pointed to by a global in the globals graph 
llvm-svn: 8637
 2003-09-20 22:24:04 +00:00
Chris Lattner
c2e75f110a Make sure to add global variable initializers to the Globals graph! 
llvm-svn: 8636
 2003-09-20 21:48:16 +00:00
Chris Lattner
a721b89e37 Don't consider incomplete nodes to be typesafe! 
llvm-svn: 8635
 2003-09-20 21:48:01 +00:00
Chris Lattner
f203e908e3 Remove trivially dead nodes was not removing nodes that were dead due to forwarding! 
llvm-svn: 8634
 2003-09-20 21:34:07 +00:00
Chris Lattner
372fe6873d Add special case handling for calloc and realloc 
llvm-svn: 8630
 2003-09-20 16:50:46 +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
6a460d88d3 Make this work better for constants that aren't necessarily in ANY graph, such as null pointers 
llvm-svn: 8628
 2003-09-20 16:12:57 +00:00
Chris Lattner
448df1c145 Keep track of the number of typed/untyped memory accesses theyre are in the program 
VS: ----------------------------------------------------------------------

llvm-svn: 8611
 2003-09-20 01:20:46 +00:00
Misha Brukman
b9a4ddbfc5 Fixed spelling and grammar. 
llvm-svn: 8478
 2003-09-11 18:14:24 +00:00
Chris Lattner
e2ee62c91c Add more verbose comment 
llvm-svn: 7610
 2003-08-05 18:38:37 +00:00
Sumant Kowshik
1a4fce3511 Added function mergeInGlobalsGraph which merges in the entire globals graph with the graph of a function 
llvm-svn: 7606
 2003-08-05 17:04:41 +00:00
Chris Lattner
686e94e760 DEBUG got moved to Support/Debug.h 
llvm-svn: 7492
 2003-08-01 22:15:03 +00:00
Chris Lattner
36a7bf78fa Fix another minor bug 
llvm-svn: 7340
 2003-07-26 23:00:05 +00:00
Chris Lattner
752a4ca4c4 Dont' try to parse the colon 
llvm-svn: 7323
 2003-07-25 20:49:29 +00:00
Chris Lattner
915b998b3f Add a more general check-flags which can be used to ensure arbitrary flags are set 
llvm-svn: 7322
 2003-07-25 20:45:40 +00:00
Vikram S. Adve
420ec0bb0f Fix comment. 
llvm-svn: 7227
 2003-07-22 12:08:58 +00:00
Brian Gaeke
026c333f07 Fix typo in call to isUnresolvableFunc, which was breaking the build. 
llvm-svn: 7194
 2003-07-17 19:07:46 +00:00
Vikram S. Adve
96abba3e01 Rematerialize nodes from the globals graph into the current graph 
after all callees are inlined into the current graph.

NOTE: There's also a major bug fix for the BU pass in DataStructure.cpp,
which ensures that resolvable indirect calls are not moved out to the
globals graph, so that they are eventually inlined (if possible).

llvm-svn: 7189
 2003-07-16 21:42:03 +00:00
Vikram S. Adve
e2993f34ed (1) Rematerialize nodes from the globals graph into the current graph 
after all callers are inlined into the current graph.
(2) Optimize the way a graph is inlined into its callees in the TD phase:
    (a) Use DSGraph::cloneReachableSubgraph to clone only a subgraph at
        each call site, for faster inlining.
    (b) Clone separately for the same callee at different call sites,
        since only the reachable subgraph is being cloned, not the entire
        caller graph.

llvm-svn: 7188
 2003-07-16 21:40:28 +00:00
Vikram S. Adve
d1a85b7860 Implement 2 important changes: (1) rematerialization from the globals graph, 
and (2) faster inlining by cloning only reachable nodes.  In particular:
(1) Added DSGraph::cloneReachableSubgraph and DSGraph::cloneReachableNodes
    to clone the subgraph reachable from a set of root nodes, into the
    current graph, merging the global nodes into thos in the current graph.
    The TD pass now uses this for faster inlining, and so does the
    next function.
(2) Added DSGraph::updateFromGlobalGraph() to rematerialize nodes from the
    globals graph into the current graph in both BU and TD passes.
(3) `I' flags are removed from all nodes in the globals graph, because they
    are difficult to maintain correctly and are not needed anyway.
(4) Aux. function calls are only removed to the globals graph if they
    will never be resovled.  (This is what fixed gap.)  The immediate
    reason is that if we took these out of a function (and moved them to
    the globals graph) we would need to rematerialize these nodes into the
    function graph for every function in the BU pass.  The longer term
    problem is that we would need to find a way to remove them from the
    globals graph iff they have been resolved on all paths through the
    call graph.

llvm-svn: 7187
 2003-07-16 21:36:31 +00:00
Vikram S. Adve
0ce80bfa82 Factor out the test for unresolvable external functions into 
isUnresolvableFunc() (I thought I needed this externally.
I don't, but it's still nicer this way.)

llvm-svn: 7186
 2003-07-16 21:25:17 +00:00
Chris Lattner
2a6504c799 Remove globals more aggressively from graphs. 
Fix a bug where we removed nodes that were marked U.

llvm-svn: 7090
 2003-07-03 02:03:53 +00:00
Chris Lattner
492b7eeb06 INCLUDE_PARENT_GRAPH is required! 
llvm-svn: 7088
 2003-07-02 23:57:05 +00:00
Chris Lattner
86c8f822ec Disable incorrect mustalias code 
llvm-svn: 7087
 2003-07-02 23:56:51 +00:00
Chris Lattner
478e42b621 Remove space at end of line 
llvm-svn: 7084
 2003-07-02 23:44:15 +00:00
Chris Lattner
b64aff94fd Fix how we are handling unreachable functions. This DRAMATICALLY improves efficiency 
llvm-svn: 7082
 2003-07-02 23:42:48 +00:00
Chris Lattner
083398eff5 Keep track of how many inlinings are performed 
llvm-svn: 7076
 2003-07-02 20:24:42 +00:00
Chris Lattner
59bb44723a Try using trivially dead deletion 
llvm-svn: 7075
 2003-07-02 19:49:11 +00:00
Chris Lattner
c1f922d61e Remove dead Nodes list 
llvm-svn: 7065
 2003-07-02 06:06:34 +00:00
Chris Lattner
56585a82d9 Complete rewrite of td pass 
llvm-svn: 7064
 2003-07-02 04:39:44 +00:00
Chris Lattner
a85502303e Print collapsed to match the paper 
llvm-svn: 7063
 2003-07-02 04:39:27 +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
f4a221c87c Add support for ParentGraph only when building in debug mode 
Minor cleanups, reenable folding of call nodes to external functions

llvm-svn: 7061
 2003-07-02 04:38:49 +00:00
Chris Lattner
d49611837b Add some functions to the blacklist 
llvm-svn: 7060
 2003-07-02 04:38:00 +00:00
Chris Lattner
64ea02737e Make the BU closure keep track of which actual calls happen 
Minor cleanups

llvm-svn: 7059
 2003-07-02 04:37:48 +00:00
Chris Lattner
60652f41c4 Make local pass print out its progress 
llvm-svn: 7058
 2003-07-02 04:37:26 +00:00
Chris Lattner
5ddec0f02d Rework TD pass to work with the precise call graph constructed by the BU phase 
llvm-svn: 7031
 2003-07-01 16:28:11 +00:00
Chris Lattner
3536455262 Do not treat global variables as functions! (and assert failing) 
llvm-svn: 7030
 2003-07-01 16:27:53 +00:00
Chris Lattner
7ab30a179b Dont' print scalar nodes for ConstantPointerRefs 
llvm-svn: 7029
 2003-07-01 16:27:32 +00:00