Chris Lattner
2cb9acd785
Handle the case where OldNodeMap == &ScalarMap correctly
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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
acbc8c6768
Remove dead method
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6999 91177308-0d34-0410-b5e6-96231b3b80d8
2003-06-30 04:53:39 +00:00
Chris Lattner
81d924d804
Do not delete the same graph multiple times when freeing memory if graphs are sharing
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6998 91177308-0d34-0410-b5e6-96231b3b80d8
2003-06-30 04:53:27 +00:00
Chris Lattner
3d162907e3
Do not multiply delete graphs if functions are sharing graphs
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6997 91177308-0d34-0410-b5e6-96231b3b80d8
2003-06-30 04:53:08 +00:00
Chris Lattner
8d32767da4
Move usages of explicit hash_* datastructures to use typedefs
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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
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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
a321b04d60
Adjust for new DSGraph API
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6993 91177308-0d34-0410-b5e6-96231b3b80d8
2003-06-30 03:14:54 +00:00
Chris Lattner
dea8146787
Abstract out the predicate which decides whether a function gets complete
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arguments or not...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6987 91177308-0d34-0410-b5e6-96231b3b80d8
2003-06-29 22:37:07 +00:00
Chris Lattner
06e24c8447
Fix minor bug in previous checkin
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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
919ffbf977
Add support for ensuring that nodes are not incomplete
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6985 91177308-0d34-0410-b5e6-96231b3b80d8
2003-06-29 22:36:15 +00:00
Chris Lattner
5c5b10f46a
Add support for "physical subtyping", which fixes:
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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
889fb9de96
Add print method to not get silly warning from analyze
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6981 91177308-0d34-0410-b5e6-96231b3b80d8
2003-06-29 20:27:16 +00:00
Chris Lattner
5100dbb9e7
New pass which is useful for writing regression tests
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6979 91177308-0d34-0410-b5e6-96231b3b80d8
2003-06-29 18:17:07 +00:00
Chris Lattner
5c70dc0456
Expose must alias information for global variables, implementing: DSGraph/mustalias.ll
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6973 91177308-0d34-0410-b5e6-96231b3b80d8
2003-06-29 00:54:08 +00:00
Chris Lattner
312edd330f
Propagate globals graph from the local to bu to td globals graphs. This
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fixes bug: DSGraph/buglobals.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6947 91177308-0d34-0410-b5e6-96231b3b80d8
2003-06-28 22:14:55 +00:00
Chris Lattner
5e459dbc52
Drop references to globals who do exist in the globals graph, but are never
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read or written to. Keep track of how many times this happens. This should
be good for deleting things like references to type information in C++ classes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6946 91177308-0d34-0410-b5e6-96231b3b80d8
2003-06-28 22:10:58 +00:00
Chris Lattner
72d50a090f
Avoid double negatives
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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
934fe856b5
New pass to perform DSA based optimizations. Initially we just support turning
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globals into constants if we can prove it's safe
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6941 91177308-0d34-0410-b5e6-96231b3b80d8
2003-06-28 21:54:55 +00:00
Chris Lattner
e0f4b98026
Remove support for the MultiObject flag, which was fundamentally broken
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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.
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* 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
e158b19a3c
Nodes get forwarded when they are collapsed currently.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6696 91177308-0d34-0410-b5e6-96231b3b80d8
2003-06-16 12:08:18 +00:00
Chris Lattner
a75c8c4da8
Remove bogus assertion: a node with no referrers could be collapsed if field-sensitivity was disabled
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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
Chris Lattner
ab2b328c78
Eliminate unnecessary ->get calls that are now automatically handled.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6397 91177308-0d34-0410-b5e6-96231b3b80d8
2003-05-29 15:12:27 +00:00
Misha Brukman
f117cc9ee6
s/convertable/convertible/g
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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
4ad02e726d
Add new linkage types to support a real frontend
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5786 91177308-0d34-0410-b5e6-96231b3b80d8
2003-04-16 20:28:45 +00:00
Chris Lattner
088b639e3a
Don't apply type information to load instructions if it will cause collapsing
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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
a612afc54e
Adjust to implement new AA interface
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5638 91177308-0d34-0410-b5e6-96231b3b80d8
2003-02-26 19:29:36 +00:00
Chris Lattner
98d6f0ad03
Fix resolution of indirect function calls... whoops
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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
f1c283859b
Mark function edges
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5571 91177308-0d34-0410-b5e6-96231b3b80d8
2003-02-14 20:25:47 +00:00
Chris Lattner
5f07a8b312
- Eliminate provably non-pointer nodes from graphs.
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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
1a1a85d514
Don't put integer pointers (longs) into the scalar map.
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This speeds stuff up by 10% on some tests, woot!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5564 91177308-0d34-0410-b5e6-96231b3b80d8
2003-02-14 04:55:58 +00:00
Chris Lattner
be1094ea35
Hax0r around a deficiency in the Pass infrastructure
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5555 91177308-0d34-0410-b5e6-96231b3b80d8
2003-02-13 21:44:18 +00:00
Chris Lattner
352a6fa36f
Use the new tailclip property new added to graphviz CVS to make call nodes
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actually intelligable
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5554 91177308-0d34-0410-b5e6-96231b3b80d8
2003-02-13 20:14:40 +00:00
Chris Lattner
731b2d7df5
Move node forwarding code from being inlined to being out-of-line.
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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
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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
2cec1d3867
Minor tweaks to printing. Close the file before viewing it in viewGraph
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5535 91177308-0d34-0410-b5e6-96231b3b80d8
2003-02-11 19:27:27 +00:00
Chris Lattner
a954b5eb3a
Modest speedup which seems to help steens quite a bit on large graphs
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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
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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
e79eaa9b49
Implement a new "viewGraph" method which can be used to instantly view a graph from gdb
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5528 91177308-0d34-0410-b5e6-96231b3b80d8
2003-02-10 18:17:07 +00:00
Chris Lattner
4f2cfc0d74
Rearrange code
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5527 91177308-0d34-0410-b5e6-96231b3b80d8
2003-02-10 18:16:36 +00:00
Chris Lattner
88c7294b80
Fix problem breaking Fhourstones
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5526 91177308-0d34-0410-b5e6-96231b3b80d8
2003-02-10 18:16:19 +00:00
Chris Lattner
0f777ab96a
Make steensgaards performance not shameful
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5524 91177308-0d34-0410-b5e6-96231b3b80d8
2003-02-10 00:14:57 +00:00
Chris Lattner
1e56c54f41
Don't insert null entries into the scalar map for constexpr (cast null to Ty)
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5523 91177308-0d34-0410-b5e6-96231b3b80d8
2003-02-09 23:04:12 +00:00
Chris Lattner
af28351773
Switch to using the right call vector
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5517 91177308-0d34-0410-b5e6-96231b3b80d8
2003-02-09 19:26:47 +00:00
Chris Lattner
e0fbd48e19
Fix major bugs in incompleteness marking that were pessimizing results
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5515 91177308-0d34-0410-b5e6-96231b3b80d8
2003-02-09 18:42:43 +00:00
Chris Lattner
47a307aef0
Print out the steens graph if -debug is specified
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5514 91177308-0d34-0410-b5e6-96231b3b80d8
2003-02-09 18:42:16 +00:00
Chris Lattner
93d7a212cc
* Fix a bug where global incompleteness marking would not mark the global
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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
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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
1ef0da2e25
Fix a bug where we would mark the callees arguments incomplete if the caller was external.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5510 91177308-0d34-0410-b5e6-96231b3b80d8
2003-02-08 23:07:39 +00:00
Chris Lattner
6022ef463f
Remove explicit result counters
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5508 91177308-0d34-0410-b5e6-96231b3b80d8
2003-02-08 23:03:17 +00:00