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09948a5331
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651 Commits

Author SHA1 Message Date
Andrew Lenharth
09948a5331 friendlier error message 
llvm-svn: 27829
 2006-04-19 15:33:35 +00:00
Andrew Lenharth
d89cdc541a stupid stuff 
llvm-svn: 27821
 2006-04-19 03:45:25 +00:00
Andrew Lenharth
87c0d713cc I understand now. Shoot. 
llvm-svn: 27819
 2006-04-18 22:36:11 +00:00
Andrew Lenharth
4d432bcb19 llvm.memc* improvements. helps PA a lot in some specmarks 
llvm-svn: 27812
 2006-04-18 20:59:52 +00:00
Andrew Lenharth
d5fd116ede llvm.memc* improvements. helps PA a lot in some specmarks 
llvm-svn: 27811
 2006-04-18 19:54:11 +00:00
Andrew Lenharth
b6264f0dbd Handle some kernel code than ends in [0 x sbyte]. I think this is safe 
llvm-svn: 27672
 2006-04-13 19:31:49 +00:00
Andrew Lenharth
58b9d4af7a revert this, this is safe, if conservative. leave a note to that effect 
llvm-svn: 27428
 2006-04-05 02:42:36 +00:00
Andrew Lenharth
4130ea834c If adding a link to a collapsed, node, ignore offset. 
Fixes 2006-03-27-LinkedCollapsed.ll

llvm-svn: 27194
 2006-03-27 23:39:58 +00:00
Andrew Lenharth
fc55d15963 no heap is happening here 
llvm-svn: 26781
 2006-03-15 19:03:16 +00:00
Andrew Lenharth
b377837353 remove qsort for now 
llvm-svn: 26779
 2006-03-15 18:32:18 +00:00
Andrew Lenharth
ad29f8dfab allow field sensitivity to be a tunable parameter 
llvm-svn: 26777
 2006-03-15 05:43:41 +00:00
Andrew Lenharth
c285b5ff1f Handle one offset with growth case seen in povray. Namely, if we have an offset, 
and the offset lands at a field boundary in the old type, construct a new type,
copying the fields masked by the offset from the old type, and unify with that.

llvm-svn: 26775
 2006-03-15 04:04:21 +00:00
Andrew Lenharth
f3e73e10cf improve mem intrinsics and add a few things povray uses 
llvm-svn: 26774
 2006-03-15 03:43:59 +00:00
Chris Lattner
ab22220755 Split memcpy/memset/memmove intrinsics into i32/i64 versions, resolving 
PR709, and paving the way for future progress.

llvm-svn: 26476
 2006-03-03 00:00:25 +00:00
Chris Lattner
15ec384b49 Add explicit iostream #includes 
llvm-svn: 25513
 2006-01-22 23:19:18 +00:00
Chris Lattner
adff158fbd Add explicit #includes of <iostream> 
llvm-svn: 25509
 2006-01-22 22:53:01 +00:00
John Criswell
48bcd84894 Prefix DSA specific options with dsa. 
Make the dsa-alloc-list and dsa-free-list options hidden.

llvm-svn: 24864
 2005-12-19 20:14:38 +00:00
John Criswell
79deec95cc Added an option to specify the names of heap freeing functions. 
llvm-svn: 24863
 2005-12-19 19:54:23 +00:00
John Criswell
1e3346ebd3 Added a command line option that allows the user to specify a list of 
functions that allocate memory.

llvm-svn: 24862
 2005-12-19 17:38:39 +00:00
Sumant Kowshik
287f45f715 Collapsing node if variable length struct with final field of length zero 
llvm-svn: 24621
 2005-12-06 18:04:30 +00:00
Chris Lattner
ffba9fcbff don't bother building the archive version of this library 
llvm-svn: 23927
 2005-10-24 01:08:20 +00:00
Chris Lattner
a1b11b2aa4 implement some prototypes 
llvm-svn: 23920
 2005-10-24 00:38:38 +00:00
Jeff Cohen
bd51ec7461 Eliminate all remaining tabs and trailing spaces. 
llvm-svn: 22523
 2005-07-27 06:12:32 +00:00
Andrew Lenharth
a9214fec08 core changes for varargs 
llvm-svn: 22254
 2005-06-18 18:34:52 +00:00
Chris Lattner
bab9c90db4 Correctly handle global-argument aliases induced in main 
llvm-svn: 21537
 2005-04-25 19:16:31 +00:00
Chris Lattner
e39652d21c Don't mess up SCC traversal when a node has null edges out of it. 
llvm-svn: 21536
 2005-04-25 19:16:17 +00:00
Chris Lattner
0bc1588c47 Propagate eq sets through the bu graphs to the cbu and eq graphs, fixing 
a crash of the sfv on 188.ammp

llvm-svn: 21478
 2005-04-23 21:11:05 +00:00
Misha Brukman
a9a1982a44 Convert tabs to spaces 
llvm-svn: 21439
 2005-04-22 04:01:18 +00:00
Misha Brukman
122d682689 Remove trailing whitespace 
llvm-svn: 21416
 2005-04-21 21:13:18 +00:00
Chris Lattner
9d2c6a3981 add support for taking and resolving the address of free. 
llvm-svn: 21396
 2005-04-21 16:09:43 +00:00
Chris Lattner
f8d9224d8c Fix a crash analyzing MultiSource/Benchmarks/MallocBench/gs 
llvm-svn: 21245
 2005-04-12 03:59:27 +00:00
Chris Lattner
0938200804 fix some VC compilation problems, thanks to Jeff C for pointing this out! 
llvm-svn: 21044
 2005-04-02 20:17:09 +00:00
Chris Lattner
e6d28e8aac EquivClassGraphs is now in DataStructure.h 
llvm-svn: 21042
 2005-04-02 20:08:17 +00:00
Chris Lattner
54ab60f08d use a callee_iterator typedef. 
llvm-svn: 21038
 2005-04-02 20:02:41 +00:00
Chris Lattner
23ef46ddca Change the ActualCallees callgraph from hash_multimap<Instruction,Function> 
to std::set<std::pair<Inst,Func>> to avoid duplicate entries.

This speeds up the CompleteBU pass from 1.99s to .15s on povray and the
eqgraph passes from 1.5s to .16s on the same.

llvm-svn: 21031
 2005-04-02 19:17:18 +00:00
Chris Lattner
cc1644eb2c Fix a problem where we not marking incoming arguments to functions with 
external linkage as incomplete.

llvm-svn: 20927
 2005-03-29 19:16:59 +00:00
Chris Lattner
6b31704450 remove ... 
llvm-svn: 20883
 2005-03-27 21:57:09 +00:00
Chris Lattner
15741f8877 speed up steens by using spliceFrom, improve its precision by realizing that 
an incomplete node cannot alias a complete node.

llvm-svn: 20882
 2005-03-27 21:56:55 +00:00
Chris Lattner
de6cc372e3 Don't give up completely, maybe other AA can say something about this. 
llvm-svn: 20873
 2005-03-27 00:02:33 +00:00
Chris Lattner
b84076a278 Cache mapping information for a call site after computing it for a mod/ref 
query.  If the next mod/ref query happens to be for the same call site
(which is extremely likely), use the cache instead of recomputing the
callee/caller mapping.  This makes -aa-eval ***MUCH*** faster with
ds-aa

llvm-svn: 20871
 2005-03-26 23:29:03 +00:00
Chris Lattner
21d25dd835 Remove more long dead code: dsa doesn't provide must alias info 
llvm-svn: 20870
 2005-03-26 22:54:46 +00:00
Chris Lattner
8638fbf4d6 remove some unsafe code that has long been dead 
llvm-svn: 20869
 2005-03-26 22:48:42 +00:00
Chris Lattner
ee96215ded slightly improve mod/ref for DSAA by checking the globals graph for fallback 
llvm-svn: 20868
 2005-03-26 22:47:03 +00:00
Chris Lattner
02275101be Teach steens-aa two things about mod/ref information: 
1. If memory never escapes the program, it cannot be mod/ref'd by external
     functions.
  2. If memory is global never mod/ref'd in the program, it cannot be mod/ref'd
     by any call.

llvm-svn: 20867
 2005-03-26 22:43:20 +00:00
Chris Lattner
d11e075664 no really, don't double count these nodes either! 
llvm-svn: 20837
 2005-03-25 20:54:45 +00:00
Chris Lattner
81e77226bb Don't count all of the nodes in the SCC once for each function in the SCC. 
llvm-svn: 20836
 2005-03-25 20:37:32 +00:00
Chris Lattner
14fd1844ba Grow the EQ classes for globals at the end of the BU pass. This shrinks 
memory usage in the TD pass for 254.gap from 31.3MB to 3.9MB.

llvm-svn: 20834
 2005-03-25 16:45:43 +00:00
Chris Lattner
52e28abe6e remove a debugging timer. 
llvm-svn: 20827
 2005-03-25 00:06:09 +00:00
Chris Lattner
5d60f10a1d Two changes here: 
1. Instead of copying Local graphs to the BU graphs to start with, use
     spliceFrom to do the job (which is constant time in this case).  On
     176.gcc, this chops off .17s from the bu pass.
  2. When building SCC graphs, simplify the logic and use spliceFrom to
     do the heavy lifting, instead of cloneInto/delete.  This slices
     another .14s off 176.gcc.

llvm-svn: 20826
 2005-03-25 00:05:04 +00:00
Chris Lattner
02206c42f2 Make the spliceFrom case where one graph is completely empty be constant time. 
llvm-svn: 20825
 2005-03-25 00:02:41 +00:00