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692 Commits

Author SHA1 Message Date
Chris Lattner
7238210e1f Add explicit iostream #includes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25513 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-22 23:19:18 +00:00
Chris Lattner
86a5484079 Add explicit #includes of <iostream> 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25509 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-22 22:53:01 +00:00
John Criswell
61af913224 Prefix DSA specific options with dsa. 
Make the dsa-alloc-list and dsa-free-list options hidden.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24864 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-19 20:14:38 +00:00
John Criswell
3075160664 Added an option to specify the names of heap freeing functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24863 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-19 19:54:23 +00:00
John Criswell
fa70052063 Added a command line option that allows the user to specify a list of 
functions that allocate memory.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24862 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-19 17:38:39 +00:00
Sumant Kowshik
8a3802d5b2 Collapsing node if variable length struct with final field of length zero 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24621 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-06 18:04:30 +00:00
Chris Lattner
83753937a6 don't bother building the archive version of this library 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23927 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-24 01:08:20 +00:00
Chris Lattner
6d796238b2 implement some prototypes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23920 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-24 00:38:38 +00:00
Jeff Cohen
00b16889ab Eliminate all remaining tabs and trailing spaces. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22523 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-27 06:12:32 +00:00
Andrew Lenharth
558bc88a00 core changes for varargs 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22254 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-18 18:34:52 +00:00
Chris Lattner
a1198b5254 Correctly handle global-argument aliases induced in main 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21537 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-25 19:16:31 +00:00
Chris Lattner
63320cc841 Don't mess up SCC traversal when a node has null edges out of it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21536 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-25 19:16:17 +00:00
Chris Lattner
cc1f24585e Propagate eq sets through the bu graphs to the cbu and eq graphs, fixing 
a crash of the sfv on 188.ammp


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21478 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-23 21:11:05 +00:00
Misha Brukman
dedf2bd5a3 Convert tabs to spaces 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21439 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-22 04:01:18 +00:00
Misha Brukman
2b37d7cf28 Remove trailing whitespace 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21416 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-21 21:13:18 +00:00
Chris Lattner
a5ed1bd00b add support for taking and resolving the address of free. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21396 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-21 16:09:43 +00:00
Chris Lattner
af2e3e0859 Fix a crash analyzing MultiSource/Benchmarks/MallocBench/gs 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21245 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-12 03:59:27 +00:00
Chris Lattner
1231aa3fa6 fix some VC compilation problems, thanks to Jeff C for pointing this out! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21044 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-02 20:17:09 +00:00
Chris Lattner
0700123431 EquivClassGraphs is now in DataStructure.h 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21042 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-02 20:08:17 +00:00
Chris Lattner
2ccc5f1081 use a callee_iterator typedef. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21038 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-02 20:02:41 +00:00
Chris Lattner
021decc82d 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21031 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-02 19:17:18 +00:00
Chris Lattner
9342a939eb Fix a problem where we not marking incoming arguments to functions with 
external linkage as incomplete.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20927 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-29 19:16:59 +00:00
Chris Lattner
93ab219244 remove ... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20883 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-27 21:57:09 +00:00
Chris Lattner
40ee8ce28b speed up steens by using spliceFrom, improve its precision by realizing that 
an incomplete node cannot alias a complete node.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20882 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-27 21:56:55 +00:00
Chris Lattner
5f4c0a88ee Don't give up completely, maybe other AA can say something about this. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20873 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-27 00:02:33 +00:00
Chris Lattner
1b9a2aac98 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20871 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-26 23:29:03 +00:00
Chris Lattner
a7337dc2b9 Remove more long dead code: dsa doesn't provide must alias info 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20870 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-26 22:54:46 +00:00
Chris Lattner
5a6a9d4f0c remove some unsafe code that has long been dead 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20869 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-26 22:48:42 +00:00
Chris Lattner
bc499de74f slightly improve mod/ref for DSAA by checking the globals graph for fallback 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20868 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-26 22:47:03 +00:00
Chris Lattner
b7523418b0 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20867 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-26 22:43:20 +00:00
Chris Lattner
cf9082589c no really, don't double count these nodes either! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20837 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-25 20:54:45 +00:00
Chris Lattner
0423e031d6 Don't count all of the nodes in the SCC once for each function in the SCC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20836 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-25 20:37:32 +00:00
Chris Lattner
33b4276053 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20834 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-25 16:45:43 +00:00
Chris Lattner
20da24c4b9 remove a debugging timer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20827 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-25 00:06:09 +00:00
Chris Lattner
b2dbdc1301 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20826 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-25 00:05:04 +00:00
Chris Lattner
ce7068d378 Make the spliceFrom case where one graph is completely empty be constant time. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20825 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-25 00:02:41 +00:00
Chris Lattner
5734e4331e add a new DSGraph::spliceFrom method, which violently takes the content of 
one graph and plops it into another, without breaking a sweat.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20824 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-24 23:46:04 +00:00
Chris Lattner
4da120e5d6 This replaces the correct but slow code with a more aggressive scc-finder 
based approach to find globals and call sites that need to be copied.  This
speeds up the BU pass on 176.gcc from 22s back up to 2.3s.  Not as good
as 1.5s, but at least it's correct :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20820 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-24 23:06:02 +00:00
Chris Lattner
09adbbc99e only look at successors of globals. This gets us down to "only" 22s in the 
bu pass for 176.gcc


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20818 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-24 21:17:27 +00:00
Chris Lattner
d8642125e4 Unfortunately, a previous patch was not safe. Revert it, reimplement 
something correct. Unfortunately this takes 176.gcc's BU phase back
up to 29s from 1.5.  This fixes DSGraph/2005-03-24-Global-Arg-Alias.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20817 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-24 21:07:47 +00:00
Chris Lattner
0d397bd437 don't bother |'ing in 0's 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20815 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-24 18:42:51 +00:00
Chris Lattner
d94b4d5b9c be more aggressive about incompleteness marking 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20814 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-24 18:42:28 +00:00
Chris Lattner
c5132e65a6 Fix a crash while promoting a value out of a loop from a global variable 
when using ds-aa


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20802 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-24 04:22:04 +00:00
Chris Lattner
7d671b88e8 teach ds-aa about mod/ref for external function calls. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20801 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-24 03:04:50 +00:00
Chris Lattner
65512d2525 a hack to allow count-aa to work with ds-aa :( 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20791 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-23 21:59:34 +00:00
Chris Lattner
c14f59cb72 turn a dead conditional into an assert. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20787 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-23 20:12:08 +00:00
Chris Lattner
e3f1d8a525 Totally gut mergeInGraph. There is absolutely no reason to be merging 
global roots in from callees to callers.  The BU graphs do not have accurate
globals information and all of the clients know it.  Instead, just make sure
the GG is up-to-date, and they will be perfectly satiated.

This speeds up the BU pass on 176.gcc from 5.5s to 1.5s, and Loc+BU+TD
from 7s to 2.7s.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20786 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-23 20:08:59 +00:00
Chris Lattner
eb39492deb wrap a long line 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20785 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-23 16:43:11 +00:00
Chris Lattner
943814bb01 Make -steens-aa more conservative (aka correct) by making sure to obey 
incompleteness flags.

Make it more aggressive by taking field sensitive information into
account.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20781 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-23 01:48:09 +00:00
Chris Lattner
2f72f9462b implement Analysis/DSGraph/field-sensitive.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20779 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-23 01:47:19 +00:00