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45 Commits

Author SHA1 Message Date
Bill Wendling
f3baad3ee1 Changed llvm_ostream et all to OStream. llvm_cerr, llvm_cout, llvm_null, are 
now cerr, cout, and NullStream resp.

llvm-svn: 32298
 2006-12-07 01:30:32 +00:00
Bill Wendling
597d451fea Removed some of the iostream #includes. Moved towards converting to using 
llvm streams

llvm-svn: 31983
 2006-11-28 22:46:12 +00:00
Nick Lewycky
241211939d Explain change with a comment. 
llvm-svn: 30443
 2006-09-17 17:51:00 +00:00
Nick Lewycky
c7b465366a Fix PR912. The input to erase() must not be a reference to the data 
being erased.

llvm-svn: 30442
 2006-09-17 16:23:36 +00:00
Chris Lattner
c2d3d3112e eliminate RegisterOpt. It does the same thing as RegisterPass. 
llvm-svn: 29925
 2006-08-27 22:42:52 +00:00
Chris Lattner
90213c6c18 Handle alias sets that have been unified, and thus can have other references 
to them.  This fixes a regression in my previous checkin.

llvm-svn: 28951
 2006-06-27 23:56:13 +00:00
Chris Lattner
f4e0653b3a Don't implement AliasSetTracker::remove in terms of deleteValue. deleteValue 
causes the pointer to be removed from the underlying alias analysis
implementation as well.  This impl of remove is also significantly faster than
the old one.  This fixes:
Regression/Transforms/DeadStoreElimination/2006-06-27-AST-Remove.ll

llvm-svn: 28950
 2006-06-27 23:48:59 +00:00
Chris Lattner
e7d4e56961 Fix a stale pointer issue that caused 300.twolf to fail to build on zion 
last night.

llvm-svn: 28916
 2006-06-26 19:20:48 +00:00
Chris Lattner
44497859f9 Make the -print-alias-sets pass work for printing out something other than 
the default aa impl results.

llvm-svn: 25062
 2006-01-03 06:05:22 +00:00
Misha Brukman
01808caded Remove trailing whitespace 
llvm-svn: 21416
 2005-04-21 21:13:18 +00:00
Chris Lattner
8d9f3735cd Treat free operations as volatile, since they cannot be moved. This fixes 
Transforms/LICM/2005-03-24-LICM-Aggregate-Crash.ll

llvm-svn: 20830
 2005-03-25 05:49:37 +00:00
Chris Lattner
7b9020a059 Fix the missing symbols problem Bill was hitting. Patch contributed by 
Bill Wendling!!

llvm-svn: 20649
 2005-03-17 15:38:16 +00:00
Chris Lattner
71d04bce55 Adjust to new alias analysis interfaces 
llvm-svn: 18957
 2004-12-15 07:22:13 +00:00
Reid Spencer
9083936835 For PR387:\ 
Make only one print method to avoid overloaded virtual warnings when \
compiled with -Woverloaded-virtual

llvm-svn: 18589
 2004-12-07 04:03:45 +00:00
Chris Lattner
24bba4d237 When merging to alias sets, if they are both must alias, the result is not 
a must alias set unless all of the pointers in the resultant set are must
aliased together.

llvm-svn: 18275
 2004-11-27 18:37:42 +00:00
Chris Lattner
eeaa29c377 Add a new interface 
llvm-svn: 18266
 2004-11-26 21:36:25 +00:00
Chris Lattner
303bdd1e4b Remove dead var 
llvm-svn: 17485
 2004-11-05 04:52:08 +00:00
Chris Lattner
6fa9665095 Add some assertions 
llvm-svn: 16366
 2004-09-15 16:59:47 +00:00
Chris Lattner
ab64481f1d Implement an AliasSetTracker::copyValue method 
llvm-svn: 16344
 2004-09-14 19:15:32 +00:00
Misha Brukman
63b38bd2ed Fix #includes of i*.h => Instructions.h as per PR403. 
llvm-svn: 15334
 2004-07-29 17:30:56 +00:00
Chris Lattner
731381dc0e Remove a bogus assertion 
llvm-svn: 15261
 2004-07-27 07:22:21 +00:00
Chris Lattner
9b323c3521 Use context-sensitive alias analysis to avoid pessimization in clients of 
AliasSetTracker (dse and licm).  This implements
DeadStoreElimination/context-sensitive.llx

llvm-svn: 15254
 2004-07-27 02:20:26 +00:00
Chris Lattner
bf8c3c405e Add some new methods 
llvm-svn: 15230
 2004-07-26 05:50:23 +00:00
Chris Lattner
0c73a1ff05 Fix a latent bug in the AliasSetTracker that was exposed by the FreeInst additions and broke a bunch of programs last night. 
llvm-svn: 15214
 2004-07-25 18:32:01 +00:00
Chris Lattner
924c68dcb2 Add support for free instructions 
llvm-svn: 15197
 2004-07-25 07:57:37 +00:00
Chris Lattner
053427ff4f Clean up reference counting to stop "leaking" alias sets 
llvm-svn: 15099
 2004-07-22 07:58:18 +00:00
Chris Lattner
abc4f4523f Add capability to remove aliasing aliassets from an AST 
llvm-svn: 15066
 2004-07-21 07:04:26 +00:00
Chris Lattner
2cfaef23e4 Make the AST interface a bit richer by returning whether an insertion caused 
an insertion or not (because the pointer set already existed).

llvm-svn: 15064
 2004-07-21 05:18:04 +00:00
Reid Spencer
eb04d9bcb4 Add #include <iostream> since Value.h does not #include it any more. 
llvm-svn: 14622
 2004-07-04 12:19:56 +00:00
Chris Lattner
746e1e1808 Rename a method 
llvm-svn: 13676
 2004-05-23 21:10:58 +00:00
Chris Lattner
2d3a7a6ff0 Changes to fix up the inst_iterator to pass to boost iterator checks. This 
patch was graciously contributed by Vladimir Prus.

llvm-svn: 13185
 2004-04-27 15:13:33 +00:00
Chris Lattner
3022b1bc2c Fix a HORRIBLY NASTY bug that caused siod to stop working last night. 
llvm-svn: 12479
 2004-03-17 23:22:04 +00:00
Chris Lattner
7f04ebc858 Ok, the assertion was bogus. Calls that do not read/write memory should not 
have an alias set, just like adds and subtracts don't.

llvm-svn: 12422
 2004-03-15 06:28:07 +00:00
Chris Lattner
f5c8f4cea6 This assertion is bogus now that calls do not necessarily read/write memory 
llvm-svn: 12421
 2004-03-15 06:24:15 +00:00
Chris Lattner
21c60f1549 Don't be COMPLETELY pessimistic in the face of function calls 
llvm-svn: 12413
 2004-03-15 04:08:36 +00:00
Chris Lattner
44fea5416d Add a new AliassetTracker::remove method. Because we need to be able to remove 
a pointer from an AliasSet, maintain the pointer values on a doubly linked
list instead of a singly linked list, to permit efficient removal from the
middle of the list.

llvm-svn: 10506
 2003-12-18 08:11:56 +00:00
Chris Lattner
0a14060ce2 Finegrainify namespacification 
Add capability to represent volatile AliasSet's
Propagate this information from loads&stores into the aliassets

llvm-svn: 10457
 2003-12-14 04:52:11 +00:00
Brian Gaeke
960707c335 Put all LLVM code into the llvm namespace, as per bug 109. 
llvm-svn: 9903
 2003-11-11 22:41:34 +00:00
John Criswell
482202a601 Added LLVM project notice to the top of every C++ source file. 
Header files will be on the way.

llvm-svn: 9298
 2003-10-20 19:43:21 +00:00
Chris Lattner
d14c200425 Fix miscompilation in Fhourstones and bug: LICM/2003-05-02-LoadHoist.ll 
llvm-svn: 5994
 2003-05-03 03:42:08 +00:00
Chris Lattner
c048bb3add ADd two new 'add' methods 
llvm-svn: 5691
 2003-03-03 23:28:05 +00:00
Chris Lattner
b5b0b7a934 Make the aliassettracker much more precise by actually tracking size 
information for various accesses.  What a concept.

llvm-svn: 5647
 2003-02-26 22:11:00 +00:00
Chris Lattner
71b82bb494 Convert to work with new AliasAnalysis interface by conservatively assuming all pointers are arbitrarily large accesses 
llvm-svn: 5636
 2003-02-26 19:28:57 +00:00
Chris Lattner
7606fb65c0 This is a substantial rewrite of the AliasSetTracker class which now uses 
a union-find based algorithm, is significantly faster, and is more general.
It will also scale to handle call instructions correctly, which is a nice
added bonus.

This includes a new pass -print-alias-sets which can be used to show how
alias sets are formed for a particular analysis.

llvm-svn: 5619
 2003-02-24 20:37:56 +00:00
Chris Lattner
647df647e1 First try at implementing the AliasSetTracker class. I'm sure it will need 
revision as I start to use it though.

llvm-svn: 3954
 2002-09-26 21:49:07 +00:00