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184 Commits

Author SHA1 Message Date
Chris Lattner
93ddd7ea10 Ok, I'm tired of pulling out all my timers to check stuff in, just do it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10954 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-22 16:36:28 +00:00
Chris Lattner
5254a8dda8 Bug fix: X.mergeWith(Y) was not updating Y if Y was a null node handle! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10953 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-22 16:31:08 +00:00
Chris Lattner
4c6cb7a2b1 Start implementing DSGraph::clonePartiallyInto and implement mergeInGraph 
in terms of it.

Though clonePartiallyInto is not cloning partial graphs yet, this change
dramatically speeds up inlining of graphs with many scalars.  For example,
this change speeds up the BU pass on 253.perlbmk from 69s to 36s, because
it avoids iteration over the scalar map, which can get pretty large.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10951 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-22 15:30:58 +00:00
Chris Lattner
9a92729581 Fine-grainify namespaces for this library 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9948 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-11-12 23:11:14 +00:00
Chris Lattner
afc1dbafb4 Add new argument to disable checking 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9922 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-11-12 17:58:22 +00:00
Chris Lattner
9dc4185763 Don't crash if no gg 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9913 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-11-12 04:57:58 +00:00
Brian Gaeke
d0fde30ce8 Put all LLVM code into the llvm namespace, as per bug 109. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9903 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-11-11 22:41:34 +00:00
Chris Lattner
413406c068 Compute node offsets correctly 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9895 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-11-11 20:12:32 +00:00
Chris Lattner
400433dfea Add new method for computing node mappings. This is used by the pool allocator 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9880 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-11-11 05:08:59 +00:00
Chris Lattner
15869aa2c7 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9659 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-11-02 22:27:28 +00:00
Chris Lattner
dbfe36e51e Fix bug: test/Regression/Analysis/DSGraph/2003-11-02-NodeCollapsing.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9658 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-11-02 21:02:20 +00:00
John Criswell
b576c94c15 Added LLVM project notice to the top of every C++ source file. 
Header files will be on the way.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9298 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-20 19:43:21 +00:00
Chris Lattner
bab8c28924 Remove trivially dead nodes was not removing nodes that were dead due to forwarding! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8634 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-09-20 21:34:07 +00:00
Chris Lattner
808a7aeec7 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!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8629 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-09-20 16:34:13 +00:00
Misha Brukman
2f2d06506c Fixed spelling and grammar. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8478 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-09-11 18:14:24 +00:00
Chris Lattner
7ddb0139ad Add more verbose comment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7610 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-08-05 18:38:37 +00:00
Sumant Kowshik
108421a8e5 Added function mergeInGlobalsGraph which merges in the entire globals graph with the graph of a function 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7606 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-08-05 17:04:41 +00:00
Chris Lattner
6806f5614d DEBUG got moved to Support/Debug.h 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7492 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-08-01 22:15:03 +00:00
Vikram S. Adve
40c600e8f3 Fix comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7227 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-07-22 12:08:58 +00:00
Vikram S. Adve
78bbec7fcb 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7187 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-07-16 21:36:31 +00:00
Chris Lattner
85cfe01a5e Remove globals more aggressively from graphs. 
Fix a bug where we removed nodes that were marked U.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7090 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-07-03 02:03:53 +00:00
Chris Lattner
7079386e02 INCLUDE_PARENT_GRAPH is required! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7088 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-07-02 23:57:05 +00:00
Chris Lattner
58f98d0bf0 Add support for ParentGraph only when building in debug mode 
Minor cleanups, reenable folding of call nodes to external functions


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7061 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-07-02 04:38:49 +00:00
Chris Lattner
18f07a11b9 Rework TD pass to work with the precise call graph constructed by the BU phase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7031 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-07-01 16:28:11 +00:00
Chris Lattner
a9d6566e36 Add new method 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7007 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-30 05:57:30 +00:00
Chris Lattner
9f93055253 Be more const-correct 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7005 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-30 05:27:18 +00:00
Chris Lattner
7b1ceaa40b Fix bug in last checkin 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7003 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-30 05:18:26 +00:00
Chris Lattner
2cb9acd785 Handle the case where OldNodeMap == &ScalarMap correctly 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7000 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-30 05:09:29 +00:00
Chris Lattner
8d32767da4 Move usages of explicit hash_* datastructures to use typedefs 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6996 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-30 03:36:09 +00:00
Chris Lattner
5a54063303 Revamp DSGraphs so that they can support multiple functions in the same 
DSGraph at one time


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6994 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-30 03:15:25 +00:00
Chris Lattner
06e24c8447 Fix minor bug in previous checkin 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6986 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-29 22:36:31 +00:00
Chris Lattner
5c5b10f46a Add support for "physical subtyping", which fixes: 
DSGraph/2003-06-29-NodeCollapsing2.ll & DSGraph/PhysicalSubtyping.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6982 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-29 20:27:45 +00:00
Chris Lattner
72d50a090f Avoid double negatives 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6945 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-28 21:58:28 +00:00
Chris Lattner
e0f4b98026 Remove support for the MultiObject flag, which was fundamentally broken 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6840 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-22 03:03:52 +00:00
Chris Lattner
bd92b73be7 * 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6794 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-19 21:15:11 +00:00
Chris Lattner
a75c8c4da8 Remove bogus assertion: a node with no referrers could be collapsed if field-sensitivity was disabled 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6695 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-16 12:07:39 +00:00
Misha Brukman
f117cc9ee6 s/convertable/convertible/g 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6248 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-05-20 18:45:36 +00:00
Chris Lattner
088b639e3a Don't apply type information to load instructions if it will cause collapsing 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5684 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-03 17:13:31 +00:00
Chris Lattner
98d6f0ad03 Fix resolution of indirect function calls... whoops 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5576 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-02-14 23:27:18 +00:00
Chris Lattner
5f07a8b312 - Eliminate provably non-pointer nodes from graphs. 
This helps a lot of testcases, for example:
            New Time  New #Nodes     Old Time    Old #Nodes
254.gap:    91.1024     21605        91.1397     22657
povray31:    2.7807      8613         3.0152     10338
255.vortex:  1.2034      8153         1.2172     8822
moria:        .6756      3150          .7054     3877
300.twolf:    .1652      2010          .1851     3270

Typically, testcases which use long and ulong integers a lot get better, f.e. povray above.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5566 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-02-14 06:28:00 +00:00
Chris Lattner
731b2d7df5 Move node forwarding code from being inlined to being out-of-line. 
This brings a 11.6% speedup to steens, and a 3.6 overall speedup to ds-aa


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5552 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-02-13 19:09:00 +00:00
Chris Lattner
72d29a4b00 Implement a "union-findy" version of DS-Analysis, which eliminates the 
Referrers list on DSNodes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5536 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-02-11 23:11:51 +00:00
Chris Lattner
a954b5eb3a Modest speedup which seems to help steens quite a bit on large graphs 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5532 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-02-10 18:47:23 +00:00
Chris Lattner
2609c07df3 Fix problem breaking GAP, use hasNoReferrers more 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5530 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-02-10 18:18:18 +00:00
Chris Lattner
93d7a212cc * Fix a bug where global incompleteness marking would not mark the global 
itself incomplete!
* Allow incompleteness callers to specify they don't want globals to be
  considered sources of incompleteness.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5513 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-02-09 18:41:49 +00:00
Chris Lattner
e77f1456d7 Add a special case for main because we know it's incoming arguments don't alias 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5511 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-02-08 23:08:02 +00:00
Chris Lattner
5d2745801c Fix an assertion failure 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5496 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-02-06 00:15:08 +00:00
Chris Lattner
923fc05b3a Implement optimization for direct function call case. This dramatically 
reduces the number of function nodes created and speeds up analysis by
about 10% overall.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5495 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-02-05 21:59:58 +00:00
Chris Lattner
f52ade928c Add sanity check 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5489 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-02-04 00:03:57 +00:00
Chris Lattner
1e88369afe * Fix a bug introduced in the last checkin wrt Stack markers 
* Make cloning more efficient in the process...


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5479 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-02-03 20:08:51 +00:00