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
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
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
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
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
5d2745801c
Fix an assertion failure
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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
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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
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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
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* 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
Chris Lattner
0ac7d5c534
Implement the globals graph!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5477 91177308-0d34-0410-b5e6-96231b3b80d8
2003-02-03 19:12:15 +00:00
Chris Lattner
7094b7ae8f
Fix a bug where we would delete neccesary calls in bu pass
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5465 91177308-0d34-0410-b5e6-96231b3b80d8
2003-02-01 06:54:31 +00:00
Chris Lattner
706e7ab871
Fix a bug where we would incorrectly delete globals which had edges to alive nodes in
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a graph in the t-d pass. This slows down the TD pass by quite a bit (1/3), but is
needed for correctness.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5464 91177308-0d34-0410-b5e6-96231b3b80d8
2003-02-01 06:51:17 +00:00
Chris Lattner
d4400c8297
Delete nodes more efficiently
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5463 91177308-0d34-0410-b5e6-96231b3b80d8
2003-02-01 06:41:15 +00:00
Chris Lattner
5e7d0e2691
Remove dead nodes more efficiently
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5462 91177308-0d34-0410-b5e6-96231b3b80d8
2003-02-01 06:23:33 +00:00
Chris Lattner
a1220afc3a
Improve efficiency of aliveness traversal code
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5461 91177308-0d34-0410-b5e6-96231b3b80d8
2003-02-01 06:17:02 +00:00
Chris Lattner
41c04f730b
Change DSGraph stuff to use hash_(set|map) instead of std::(set|map)
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This change provides a small (3%) but consistent speedup
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5460 91177308-0d34-0410-b5e6-96231b3b80d8
2003-02-01 04:52:08 +00:00
Chris Lattner
b3416bc9cc
Remove using declarations
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5456 91177308-0d34-0410-b5e6-96231b3b80d8
2003-02-01 04:01:21 +00:00
Chris Lattner
100f87252d
Remove globals on the bottom up pass which do not contain any information
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5451 91177308-0d34-0410-b5e6-96231b3b80d8
2003-01-31 23:57:36 +00:00
Chris Lattner
5c7380e567
Use and implement API for graph traversals
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5431 91177308-0d34-0410-b5e6-96231b3b80d8
2003-01-29 21:10:20 +00:00
Chris Lattner
394471f197
* Eliminate boolean arguments in favor of using enums
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* T-D pass now eliminates unreachable globals
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5419 91177308-0d34-0410-b5e6-96231b3b80d8
2003-01-23 22:05:33 +00:00
Chris Lattner
6f6fef8c26
Fix analysis of the Burg program
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5401 91177308-0d34-0410-b5e6-96231b3b80d8
2003-01-22 22:00:24 +00:00
Vikram S. Adve
2b7a92c72f
Fix several related bugs in DSNode::mergeWith() caused by the
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fact that the incoming nodes may be merged away at intermediate
steps. Use an extra level of indirection via DSNodeHandles
to track the nodes being merged. All this now happens in a
static helper function MergeNodes().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4947 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-06 21:15:21 +00:00
Vikram S. Adve
c102cb7359
Cute bug fix: when moving links from N to this, some links could have
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been missed if node *this got merged away due to recursive merging!
Also, links were not moved correctly if a node is collapsed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4933 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-05 17:17:26 +00:00
Vikram S. Adve
61ff02982f
Fix logical error in TD pass: we should clear Mod/Ref bits of each caller
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before inlining their graphs into a function. To support this,
added flags to CloneFlags to strip/keep Mod/Ref bits.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4836 91177308-0d34-0410-b5e6-96231b3b80d8
2002-11-27 17:41:13 +00:00
Vikram S. Adve
e31267dd9a
Keep global nodes in each DS Graph (by forcing them to be marked live).
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4831 91177308-0d34-0410-b5e6-96231b3b80d8
2002-11-25 18:21:25 +00:00
Chris Lattner
1855292172
Add peak memory usage measurement stuff
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Add structure padding optimizations
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4749 91177308-0d34-0410-b5e6-96231b3b80d8
2002-11-18 21:44:46 +00:00
Chris Lattner
5190ce8374
Fix two bugs:
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* The globals vector was getting broken and unsorted, this caused vortex
to get badly pessimized
* Node offset handling was being handled really poorly, and in particular
we were not merging types with offsets right. This causes several graphs
to be non-merged.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4699 91177308-0d34-0410-b5e6-96231b3b80d8
2002-11-12 07:20:45 +00:00
Chris Lattner
e425844d8c
Elimiante calls to a node with nothing in it.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4695 91177308-0d34-0410-b5e6-96231b3b80d8
2002-11-11 21:35:38 +00:00
Chris Lattner
e71ffc291c
Mark stuff reachable by _AUX_ calls as incomplete in the BU graph
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4690 91177308-0d34-0410-b5e6-96231b3b80d8
2002-11-11 03:36:55 +00:00
Chris Lattner
998c49c247
Use call site mergeWith method to simplify code
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4687 91177308-0d34-0410-b5e6-96231b3b80d8
2002-11-11 00:00:46 +00:00
Chris Lattner
d11e954f08
Fix a bug that could trigger when varargs call sites had non-matching number of arguments
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4683 91177308-0d34-0410-b5e6-96231b3b80d8
2002-11-10 07:46:08 +00:00
Chris Lattner
aa8146f5c4
* Dramatically rework liveness evaluation.
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* Implement the first step of the Globals graph: Deleting nodes from function
graphs. In practice, these nodes need to be moved to the globals graph, but
this will be taken care of later. Note that the graphs computed right now are
not strictly correct!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4681 91177308-0d34-0410-b5e6-96231b3b80d8
2002-11-10 06:59:55 +00:00
Chris Lattner
f40f0a39bd
eliminate the ability to remove global nodes from deadNodeElminate... for now.
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This slows stuff down a bit, but it should get much better before it gets any
worse.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4666 91177308-0d34-0410-b5e6-96231b3b80d8
2002-11-09 22:07:02 +00:00
Chris Lattner
7900ed146f
Move maskNodeTypes to header file
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4661 91177308-0d34-0410-b5e6-96231b3b80d8
2002-11-09 21:02:26 +00:00
Chris Lattner
65f2897f2c
Clean up DSGraph::removeDeadNodes interface
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4660 91177308-0d34-0410-b5e6-96231b3b80d8
2002-11-09 21:00:49 +00:00
Chris Lattner
96517253a1
Make removeTriviallyDeadNodes a private interface of DSGraph
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4659 91177308-0d34-0410-b5e6-96231b3b80d8
2002-11-09 20:55:24 +00:00
Chris Lattner
2e4f9bf86e
Add initial support for a globals graph
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4656 91177308-0d34-0410-b5e6-96231b3b80d8
2002-11-09 20:01:01 +00:00
Chris Lattner
d888893a54
Tighten up array handling
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4655 91177308-0d34-0410-b5e6-96231b3b80d8
2002-11-09 19:25:27 +00:00
Chris Lattner
bf10f05bf7
Fix warning & release build
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4648 91177308-0d34-0410-b5e6-96231b3b80d8
2002-11-09 00:49:05 +00:00
Chris Lattner
23f83dce3f
Fold arrays down to a single element. This causes huge wins on some benchmarks
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for example: 197.parser (64M->14M), 164.gzip (14M->2.7M). The actual graphs
represented should not change at all.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4643 91177308-0d34-0410-b5e6-96231b3b80d8
2002-11-08 22:49:57 +00:00
Chris Lattner
acf491f0b4
Allow specification of whether the call sites should be copied, AND whether
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the aux call sites should be copied
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4639 91177308-0d34-0410-b5e6-96231b3b80d8
2002-11-08 22:27:09 +00:00
Chris Lattner
679e8e1b19
- Add a bunch of checking to make sure that dead nodes are not used after they
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are marked DEAD. This helped track down some bugs
- Fix a bunch of bugs where we were doing work on nodes after they became dead
- Add support for aux function call sites
- Add support for not cloning call sites
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4633 91177308-0d34-0410-b5e6-96231b3b80d8
2002-11-08 21:27:12 +00:00
Chris Lattner
f8c6aab05e
Use DSNodeHandleMap instead to be safe
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4622 91177308-0d34-0410-b5e6-96231b3b80d8
2002-11-08 05:01:14 +00:00
Chris Lattner
33312f7031
Add flush
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4619 91177308-0d34-0410-b5e6-96231b3b80d8
2002-11-08 01:21:07 +00:00
Chris Lattner
460ea29b45
Instead of using a bool that constant has to be explained, use a self
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explanitory enum instead.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4600 91177308-0d34-0410-b5e6-96231b3b80d8
2002-11-07 07:06:20 +00:00
Chris Lattner
076c1f923b
Implement a new mergeInGraph method, which basically factors code out of
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the BU class.
This will be used by the IPModRef class to do stuff, eventually perhaps the
TD pass will use it also.
Speaking of the TD pass, this also eliminates the self recursive case, which
was broken, and couldn't occur anyway.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4599 91177308-0d34-0410-b5e6-96231b3b80d8
2002-11-07 06:31:54 +00:00
Chris Lattner
b10604341f
Rename DataStructureAnalysis namespace to DS
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4596 91177308-0d34-0410-b5e6-96231b3b80d8
2002-11-07 05:20:53 +00:00