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29 Commits

Author SHA1 Message Date
Chris Lattner
031a3f8cc7 Generalize a special case to fix PR187 
llvm-svn: 10531
 2003-12-19 06:27:08 +00:00
Chris Lattner
7710f2f49e Finegrainify namespacification 
Fix bug: LoopSimplify/2003-12-10-ExitBlocksProblem.ll

llvm-svn: 10373
 2003-12-10 17:20:35 +00:00
Chris Lattner
6c237bcdf2 Do not insert one entry PHI nodes in split exit blocks! 
llvm-svn: 10348
 2003-12-09 23:12:55 +00:00
Chris Lattner
a29600046d Minor cleanups and simplifications 
llvm-svn: 10127
 2003-11-21 16:52:05 +00:00
Chris Lattner
2af517281d Start using the nicer terminator auto-insertion API 
llvm-svn: 10111
 2003-11-20 18:25:24 +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
c4622a6955 Add support to the loop canonicalization pass to make it transform loops to 
have a SINGLE backedge.  This is useful to, for example, the -indvars pass.

This implements testcase LoopSimplify/single-backedge.ll and closes PR#34

llvm-svn: 9065
 2003-10-13 00:37:13 +00:00
Chris Lattner
72272a70b8 Rename loop preheaders pass to loop simplify 
llvm-svn: 9061
 2003-10-12 21:52:28 +00:00
Chris Lattner
55d4788397 File is renamed to LoopSimplify.cpp 
llvm-svn: 9059
 2003-10-12 21:44:18 +00:00
Chris Lattner
154e4d5dea First step in renaming the preheaders pass to loopsimplify 
llvm-svn: 9058
 2003-10-12 21:43:28 +00:00
Chris Lattner
9703c02ce4 The preheader insertion pass only depends on the CFG. Mark it as such, which 
allows GCCAS to only run it once.

llvm-svn: 9056
 2003-10-12 19:33:10 +00:00
Misha Brukman
8b2bd4ed47 Fix spelling. 
llvm-svn: 9027
 2003-10-10 17:57:28 +00:00
Chris Lattner
bb9d03b9c0 Renamed DominatorTree::Node::getNode() -> getBlock() 
llvm-svn: 8469
 2003-09-11 16:26:13 +00:00
Misha Brukman
4ace48e0ca Spell `occurrence' correctly. 
llvm-svn: 8425
 2003-09-09 21:54:45 +00:00
Chris Lattner
a34c477b05 Fix grammar, add comment 
llvm-svn: 7967
 2003-08-18 22:54:06 +00:00
Misha Brukman
7eb05a170a Spell `necessary' correctly. 
llvm-svn: 7944
 2003-08-18 14:43:39 +00:00
Chris Lattner
0895025b30 Fix bug: LoopPreheaders/2003-05-12-PreheaderExitOfChild.ll 
llvm-svn: 6153
 2003-05-12 22:04:34 +00:00
Chris Lattner
889f620841 Remove unnecesary &*'s 
llvm-svn: 5872
 2003-04-23 16:37:45 +00:00
Chris Lattner
49eb0e3026 Fix bug I introduced yesterday :( 
llvm-svn: 5669
 2003-02-28 16:54:17 +00:00
Chris Lattner
32a39c26e0 Fix bug: LICM/2003-02-27-PreheaderExitNodeUpdate.ll 
llvm-svn: 5667
 2003-02-28 03:07:54 +00:00
Chris Lattner
f2d9f94a33 Fix bug: 2003-02-27-PreheaderExitNodeUpdate.ll by updating exit node info 
llvm-svn: 5664
 2003-02-27 22:48:57 +00:00
Chris Lattner
10b2b055e8 Add a new assertion to check that stuff is happening right 
Ironically the exit block modification code wasn't updating the exit block
information itself.  Fix this.

llvm-svn: 5659
 2003-02-27 22:31:07 +00:00
Chris Lattner
4e2fbfb4c3 * Don't forget to update Loop information! 
* Remove bogus assertion: there may be a single outside predecessor and
    still need a new loop-preheader if the predecessor has multiple
    successors.  See bug: LICM/2003-02-27-PreheaderProblem.ll

llvm-svn: 5655
 2003-02-27 21:50:19 +00:00
Chris Lattner
650096a061 * Significant changes to the preheader insertion pass: 
- Now we perform loop exit-block splitting to ensure exit blocks are
     always dominated by the loop header.
   - We now preserve dominance frontier information
   - This fixes bug: LICM/2003-02-26-LoopExitNotDominated.ll

llvm-svn: 5652
 2003-02-27 20:27:08 +00:00
Chris Lattner
bf3a099a62 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
03a9e15a9f Fix major bugs in dominator set & tree information updating 
llvm-svn: 3975
 2002-09-29 21:41:38 +00:00
Chris Lattner
ca056914c6 Change pass name to something sane 
llvm-svn: 3946
 2002-09-26 16:37:37 +00:00
Chris Lattner
61992f66d8 Checkin new loop-preheader insertion pass. 
llvm-svn: 3942
 2002-09-26 16:17:31 +00:00