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447 Commits

Author SHA1 Message Date
Chris Lattner
d4990fe1be Simple N^2 alias anlysis accuracy checker 
llvm-svn: 5498
 2003-02-06 21:29:49 +00:00
Chris Lattner
21e1033bff Fix an assertion failure 
llvm-svn: 5496
 2003-02-06 00:15:08 +00:00
Chris Lattner
5f3ef2f0e7 Implement optimization for direct function call case. This dramatically 
reduces the number of function nodes created and speeds up analysis by
about 10% overall.

llvm-svn: 5495
 2003-02-05 21:59:58 +00:00
Chris Lattner
4aa35d21be Remove bogus assertion 
llvm-svn: 5492
 2003-02-04 16:33:23 +00:00
Chris Lattner
4e0422745c Fix a huge bug with handling non-pointer instructions 
llvm-svn: 5491
 2003-02-04 00:59:50 +00:00
Chris Lattner
a4f94897b9 Make the TD pass not include all of the call nodes from the local pass, 
eliminating incomplete markers from them

llvm-svn: 5490
 2003-02-04 00:59:32 +00:00
Chris Lattner
e8381114ef Add sanity check 
llvm-svn: 5489
 2003-02-04 00:03:57 +00:00
Chris Lattner
96f37f267a Fix steensgaard to work on a lot more cases... 
llvm-svn: 5488
 2003-02-04 00:03:37 +00:00
Chris Lattner
2e3829c76d Fix printing of nonfunction graphs 
llvm-svn: 5487
 2003-02-04 00:03:18 +00:00
Chris Lattner
7b9a9209fc Rename variable 
llvm-svn: 5486
 2003-02-03 22:51:53 +00:00
Chris Lattner
102e619864 Hack to work around deficiency in pass infrastructure 
llvm-svn: 5485
 2003-02-03 22:51:28 +00:00
Chris Lattner
2a3c476fd4 Initial implementation of ds-aa 
llvm-svn: 5484
 2003-02-03 22:50:46 +00:00
Chris Lattner
47929dacd2 Add statistics to basicAA pass 
llvm-svn: 5480
 2003-02-03 21:16:17 +00:00
Chris Lattner
2ce14e226e * Fix a bug introduced in the last checkin wrt Stack markers 
* Make cloning more efficient in the process...

llvm-svn: 5479
 2003-02-03 20:08:51 +00:00
Chris Lattner
5d14f5d9ac Implement the globals graph! 
llvm-svn: 5477
 2003-02-03 19:12:15 +00:00
Chris Lattner
a589169d22 Add better debug output 
llvm-svn: 5476
 2003-02-03 19:11:38 +00:00
Chris Lattner
e4d8ec335c Be a bit more specific in caption 
llvm-svn: 5469
 2003-02-02 16:42:01 +00:00
Chris Lattner
acc67b5d1d Fix a bug where we would delete neccesary calls in bu pass 
llvm-svn: 5465
 2003-02-01 06:54:31 +00:00
Chris Lattner
d946a6a307 Fix a bug where we would incorrectly delete globals which had edges to alive nodes in 
a graph in the t-d pass.  This slows down the TD pass by quite a bit (1/3), but is
needed for correctness.

llvm-svn: 5464
 2003-02-01 06:51:17 +00:00
Chris Lattner
4f56dfb8d8 Delete nodes more efficiently 
llvm-svn: 5463
 2003-02-01 06:41:15 +00:00
Chris Lattner
bbd430c392 Remove dead nodes more efficiently 
llvm-svn: 5462
 2003-02-01 06:23:33 +00:00
Chris Lattner
8bb8f73e76 Improve efficiency of aliveness traversal code 
llvm-svn: 5461
 2003-02-01 06:17:02 +00:00
Chris Lattner
7aec6c471b Change DSGraph stuff to use hash_(set|map) instead of std::(set|map) 
This change provides a small (3%) but consistent speedup

llvm-svn: 5460
 2003-02-01 04:52:08 +00:00
Chris Lattner
6051f888b4 Remove using declarations 
llvm-svn: 5456
 2003-02-01 04:01:21 +00:00
Chris Lattner
c3e8b48d5e Remove globals on the bottom up pass which do not contain any information 
llvm-svn: 5451
 2003-01-31 23:57:36 +00:00
Chris Lattner
390dc95c05 Add functions to the ban list 
llvm-svn: 5450
 2003-01-31 23:57:10 +00:00
Chris Lattner
91e3c1eeac Use and implement API for graph traversals 
llvm-svn: 5431
 2003-01-29 21:10:20 +00:00
Chris Lattner
712b3598b8 free instructions mark their operands as being heap nodes. 
llvm-svn: 5425
 2003-01-28 20:59:57 +00:00
Chris Lattner
77e422543e * Eliminate boolean arguments in favor of using enums 
llvm-svn: 5420
 2003-01-23 22:06:33 +00:00
Chris Lattner
f1afc156f8 * Eliminate boolean arguments in favor of using enums 
* T-D pass now eliminates unreachable globals

llvm-svn: 5419
 2003-01-23 22:05:33 +00:00
Chris Lattner
1c82a35a0b Slight efficiency improvement 
llvm-svn: 5418
 2003-01-23 21:31:16 +00:00
Chris Lattner
bd72aa79fc Fix analysis of the Burg program 
llvm-svn: 5401
 2003-01-22 22:00:24 +00:00
Chris Lattner
07b0e49989 Rename llvm/Analysis/LiveVar/FunctionLiveVarInfo.h -> llvm/CodeGen/FunctionLiveVarInfo.h 
llvm-svn: 5284
 2003-01-14 23:05:08 +00:00
Chris Lattner
57b5e8891e Move llvm/Analysis/LiveVar/ValueSet.h to CodeGen/ValueSet.h 
llvm-svn: 5282
 2003-01-14 22:56:37 +00:00
Chris Lattner
4093c3b83f Move annotations to support library 
llvm-svn: 5270
 2003-01-14 21:31:39 +00:00
Misha Brukman
1264a03c8a 'graph' is spelled without a 'c'. 
Also added Statistic counters for NoAlias and MayAlias.

llvm-svn: 4972
 2002-12-12 05:34:10 +00:00
Chris Lattner
8d4b4b020e Remove #includes 
llvm-svn: 4968
 2002-12-12 03:47:27 +00:00
Vikram S. Adve
c9617fde54 Iterator that enumerates the ProgramDependenceGraph (PDG) for a function, 
i.e., enumerates all data and control dependences for the function.

llvm-svn: 4958
 2002-12-08 14:13:19 +00:00
Vikram S. Adve
90bc3110b6 An explicit representation of dependence graphs, and a pass that 
computes a dependence graph for data dependences on memory locations
using interprocedural Mod/Ref information.

llvm-svn: 4957
 2002-12-08 13:26:29 +00:00
Chris Lattner
5f4d7d2801 Add total instruction, bb, & function counts 
llvm-svn: 4954
 2002-12-07 23:24:24 +00:00
Vikram S. Adve
773fe59c79 Two bug fixes: 
(1) Make entries for Constant values in the ScalarMap.
(2) Set MOD bit for the node pointed to by the
    argument of a free instruction.

llvm-svn: 4948
 2002-12-06 21:17:10 +00:00
Vikram S. Adve
cb7daf77e8 Fix several related bugs in DSNode::mergeWith() caused by the 
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().

llvm-svn: 4947
 2002-12-06 21:15:21 +00:00
Vikram S. Adve
ab3a68a7c3 Cute bug fix: when moving links from N to this, some links could have 
been missed if node *this got merged away due to recursive merging!
Also, links were not moved correctly if a node is collapsed.

llvm-svn: 4933
 2002-12-05 17:17:26 +00:00
Chris Lattner
18b9a192e1 Simplify code 
llvm-svn: 4886
 2002-12-03 19:40:16 +00:00
Vikram S. Adve
b0371788d9 Fix logical error in TD pass: we should clear Mod/Ref bits of each caller 
before inlining their graphs into a function.  To support this,
added flags to CloneFlags to strip/keep Mod/Ref bits.

llvm-svn: 4836
 2002-11-27 17:41:13 +00:00
Vikram S. Adve
8788221a72 (1) Bug fix that was causing nodes with dangling references to be freed. 
We run removeDeadNodes() on the TD graph up front before using it.
(2) Major enhancement to printing of results: now we list the actual objects
    that are mod/ref instead of just printing the bit vectors.
Also an important bug fix in TDDataStructures pass (no change here):
clear Mod/Ref bits of callers before inlining into a function.

llvm-svn: 4833
 2002-11-27 17:37:46 +00:00
Vikram S. Adve
7bbda247e2 Keep global nodes in each DS Graph (by forcing them to be marked live). 
llvm-svn: 4831
 2002-11-25 18:21:25 +00:00
Chris Lattner
ad3955d6a5 Add peak memory usage measurement stuff 
Add structure padding optimizations

llvm-svn: 4749
 2002-11-18 21:44:46 +00:00
Chris Lattner
f179a40a00 Add peak memory usage support 
llvm-svn: 4748
 2002-11-18 21:44:19 +00:00
Chris Lattner
25a8814af0 Add stats 
llvm-svn: 4747
 2002-11-18 21:42:45 +00:00