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2ffca818b6
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42 Commits

Author SHA1 Message Date
Chris Lattner
2ffca818b6 Fine grainify namespacification 
Code cleanups
Make LICM::SafeToHoist marginally more efficient

llvm-svn: 10341
 2003-12-09 17:18:00 +00:00
Brian Gaeke
d25f86d683 Put all LLVM code into the llvm namespace, as per bug 109. 
llvm-svn: 9903
 2003-11-11 22:41:34 +00:00
Misha Brukman
acc53cc7c6 Declare FunctionPasses as such so that they can be used in FunctionPassManager. 
llvm-svn: 9768
 2003-11-07 17:20:18 +00:00
John Criswell
b402729b30 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
7a5241cc99 Wrap code at 80 columns 
llvm-svn: 9073
 2003-10-13 05:04:27 +00:00
Chris Lattner
f4ca01758d Rename loop preheaders pass to loop simplify 
llvm-svn: 9061
 2003-10-12 21:52:28 +00:00
Misha Brukman
868eac95dd Fix spelling. 
llvm-svn: 9027
 2003-10-10 17:57:28 +00:00
Chris Lattner
d1c3f771f8 Change the interface to PromoteMemToReg to also take a DominatorTree 
llvm-svn: 8883
 2003-10-05 21:20:13 +00:00
Chris Lattner
3d39abeeb7 Renamed DominatorTree::Node::getNode() -> getBlock() 
llvm-svn: 8469
 2003-09-11 16:26:13 +00:00
Misha Brukman
d8279c4406 Spell `definite' correctly. 
llvm-svn: 8467
 2003-09-11 15:32:37 +00:00
Chris Lattner
58d4183a25 Fix spell-o's 
llvm-svn: 8431
 2003-09-10 05:29:43 +00:00
Chris Lattner
03b8e81aef Do not hoist volatile loads 
llvm-svn: 8399
 2003-09-08 18:17:14 +00:00
Tanya Lattner
6fbe85279f Fixed minor bug in SafeToHoist and made some changes suggested by Chris. 
llvm-svn: 7614
 2003-08-05 20:39:02 +00:00
Tanya Lattner
48745a598c Fixed LICM bug that hoists trapping instructions that are not guaranteed to execute. 
llvm-svn: 7612
 2003-08-05 18:45:46 +00:00
Chris Lattner
686e94e760 DEBUG got moved to Support/Debug.h 
llvm-svn: 7492
 2003-08-01 22:15:03 +00:00
Chris Lattner
db6b7ba364 Remove unnecesary &*'s 
llvm-svn: 5872
 2003-04-23 16:37:45 +00:00
Chris Lattner
4eaaa99b93 Convert LICM over to use AliasSetTracker. Besides being nicer, this automatically 
allows LICM to use access sizes to help alias analysis be more precise.

llvm-svn: 5693
 2003-03-03 23:32:45 +00:00
Chris Lattner
a49e96dda5 Change the mem2reg interface to accept a TargetData argument 
llvm-svn: 5685
 2003-03-03 17:25:18 +00:00
Chris Lattner
09c35df4e9 Fix bug: LICM/2003-02-28-PromoteDifferentType.ll 
llvm-svn: 5675
 2003-02-28 19:21:40 +00:00
Chris Lattner
d40fa5ca2f Fix bug: 2003-02-27-StoreSinkPHIs.ll 
llvm-svn: 5658
 2003-02-27 21:59:36 +00:00
Chris Lattner
92a8816086 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
1c1f11bd3f Initial implementation of Loop invariant memory->scalar promotion 
llvm-svn: 5613
 2003-02-24 03:52:32 +00:00
Chris Lattner
b565d3ac5b - Rename AnalysisUsage::preservesAll to getPreservesAll & preservesCFG to 
setPreservesCFG to be less confusing.

llvm-svn: 4255
 2002-10-21 20:00:28 +00:00
Chris Lattner
7cf9f6f4b1 Updates to work with recent Statistic's changes: 
* Renamed StatisticReporter.h/cpp to Statistic.h/cpp
    * Broke constructor to take two const char * arguments instead of one, so
      that indendation can be taken care of automatically.
    * Sort the list by pass name when printing
    * Make sure to print all statistics as a group, instead of randomly when
      the statistics dtors are called.
    * Updated ProgrammersManual with new semantics.

llvm-svn: 4002
 2002-10-01 22:38:41 +00:00
Chris Lattner
61e8de1c61 Fix bug in LICM that caused the previous big win. :( 
llvm-svn: 3980
 2002-09-29 22:26:07 +00:00
Chris Lattner
ef0e95bb42 Hoist the contents of Loops in depth first order in the dominator tree, 
rather than in random order.  This causes LICM to be DRAMATICALLY more
effective. For example, on bzip2.c, it is able to hoist 302 loads and
2380 total instructions, as opposed to 44/338 before.  This  obviously
makes other transformations much more powerful as well!

llvm-svn: 3978
 2002-09-29 21:46:09 +00:00
Chris Lattner
0bbb8f6e06 - Further cleanups of LICM pass, remove extra work from previous implementation 
- Do not clone instructions then insert clone outside of loop.  Just move them.

llvm-svn: 3951
 2002-09-26 19:40:25 +00:00
Chris Lattner
0c66734ac5 Improve comments, doxygenize more 
llvm-svn: 3950
 2002-09-26 16:52:07 +00:00
Chris Lattner
21eb78d59d Clean up LICM significantly now that it is guaranteed to have loop preheaders 
llvm-svn: 3947
 2002-09-26 16:38:03 +00:00
Chris Lattner
fe9fba6f5b Loop invariant code motion now depends on the LoopPreheader pass. Dead code 
has not yet been removed.

llvm-svn: 3945
 2002-09-26 16:19:31 +00:00
Chris Lattner
37c3a1d80c Clean up code due to auto-insert constructors 
llvm-svn: 3665
 2002-09-10 22:38:47 +00:00
Chris Lattner
969c616d51 Load & StoreInst no longer derive from MemAccessInst, so we don't have 
to handle indexing anymore

llvm-svn: 3485
 2002-08-22 22:49:05 +00:00
Chris Lattner
8b8d72c1f2 Add capability of using pointer analysis to LICM 
llvm-svn: 3478
 2002-08-22 21:39:55 +00:00
Chris Lattner
760f32d641 Fix bug introduced in last checkin due to CastInst not being visible 
llvm-svn: 3327
 2002-08-14 18:22:19 +00:00
Chris Lattner
980bf4b44d Remove support for NOT instruction 
llvm-svn: 3323
 2002-08-14 18:18:02 +00:00
Chris Lattner
a21e315db4 - Cleaned up the interface to AnalysisUsage to take analysis class names 
instead of ::ID's.
 - Pass::getAnalysis<> now no longer takes an optional argument

llvm-svn: 3265
 2002-08-08 19:01:30 +00:00
Chris Lattner
7a9eb848cd * Add support for different "PassType's" 
* Add new RegisterOpt/RegisterAnalysis templates for registering passes that
  are to show up in opt or analyze
* Register Analyses now
* Change optimizations to use RegisterOpt instead of RegisterPass
* Add support for different "PassType's"
* Add new RegisterOpt/RegisterAnalysis templates for registering passes that
  are to show up in opt or analyze
* Register Analyses now
* Change optimizations to use RegisterOpt instead of RegisterPass
* Remove getPassName implementations from various subclasses

llvm-svn: 3113
 2002-07-26 21:12:46 +00:00
Chris Lattner
c482880f9e *** empty log message *** 
llvm-svn: 3016
 2002-07-23 18:06:35 +00:00
Anand Shukla
85065832f1 changes to make it compatible with 64bit gcc 
llvm-svn: 2792
 2002-06-25 21:07:58 +00:00
Chris Lattner
dfd421a7df MEGAPATCH checkin. 
For details, See: docs/2002-06-25-MegaPatchInfo.txt

llvm-svn: 2779
 2002-06-25 16:13:24 +00:00
Chris Lattner
b95dde758a Simplify the interface to local DCE and Constant prop 
llvm-svn: 2749
 2002-05-26 20:18:18 +00:00
Chris Lattner
1b769f2a94 Initial checkin of LICM pass 
llvm-svn: 2615
 2002-05-10 22:44:58 +00:00