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152 Commits

Author SHA1 Message Date
Chris Lattner
f1ab4b4eac Change the ExitBlocks list from being explicitly contained in the Loop 
structure to being dynamically computed on demand.  This makes updating
loop information MUCH easier.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13045 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-18 22:14:10 +00:00
Chris Lattner
3048bd1d3e Implement method 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13036 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-18 06:54:48 +00:00
Chris Lattner
24199db80e Add a new method, add a check missing that caused a segfault if a loop didn't 
have a canonical indvar


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13032 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-18 05:38:05 +00:00
Chris Lattner
92020faa2c add some helpful methods. Rearrange #includes to proper order 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12960 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-15 15:16:02 +00:00
Chris Lattner
46758a894f Add some methods that are useful for updating loop information. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12871 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-12 20:26:17 +00:00
Misha Brukman
10d208d7b1 Order #includes alphabetically, per style guide. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11015 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-30 17:26:24 +00:00
Chris Lattner
329c1c6c94 Improve encapsulation in the Loop and LoopInfo classes by eliminating the 
getSubLoops/getTopLevelLoops methods, replacing them with iterator-based
accessors.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10714 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-08 00:09:44 +00:00
Brian Gaeke
d0fde30ce8 Put all LLVM code into the llvm namespace, as per bug 109. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9903 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-11-11 22:41:34 +00:00
Chris Lattner
59dc17873d Do not add unreachable code to a natural loop! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9377 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-22 16:41:21 +00:00
John Criswell
b576c94c15 Added LLVM project notice to the top of every C++ source file. 
Header files will be on the way.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9298 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-20 19:43:21 +00:00
Chris Lattner
cf3056db0f Regularize header file comments 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9071 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-13 03:32:08 +00:00
Chris Lattner
2ef1236e4a Make getNumBackEdges more efficient 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9063 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-12 22:14:27 +00:00
Chris Lattner
03f252f1eb Remove explicit use of BasicBlock::succ_iterator 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8706 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-09-24 22:18:35 +00:00
Chris Lattner
169db9d775 Fix the bug that broke the nightly tester in McCat/18-imp last night. :( 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7925 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-08-17 21:47:33 +00:00
Chris Lattner
7dd46b09c0 Fix bug: LoopPreheaders/2003-08-15-PreheadersFail.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7915 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-08-16 20:57:16 +00:00
Chris Lattner
39c987a6a2 Fix bug: Analysis/LoopInfo/2003-05-15-NestingProblem.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6230 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-05-15 18:03:51 +00:00
Chris Lattner
99224aec78 Fix bug: LoopPreheaders/2003-04-25-AssertFail.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5959 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-04-26 19:34:18 +00:00
Chris Lattner
bb05f1ee93 Add dump method for Loops 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5671 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-02-28 16:54:45 +00:00
Chris Lattner
a94837a28f Simplify a bit by using a new member function 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5662 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-02-27 22:48:08 +00:00
Chris Lattner
f2e2925f95 Change behavior of changeExitBlock function to replace all instances of exit block 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5661 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-02-27 22:37:44 +00:00
Chris Lattner
5a8a2912d5 Fix bug: LICM/2003-02-27-PreheaderProblem.ll 
There may be a single outside predecessor and
still need a new loop-preheader if the predecessor has multiple
successors.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5656 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-02-27 21:51:38 +00:00
Chris Lattner
5f82b8a1ad - LoopInfo now calculates and tracks loop exit blocks 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5650 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-02-27 00:38:34 +00:00
Chris Lattner
420df9bc78 Dramatically simplify building of natural loops and fix a bug where the BBMap 
was not correctly computed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5606 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-02-22 21:33:11 +00:00
Chris Lattner
3a9a56e7b2 Fix the requisite bug that I introduced 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5605 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-02-20 00:28:00 +00:00
Chris Lattner
ae5d39e1bb Fix 80 character formatting 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5604 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-02-20 00:18:07 +00:00
Chris Lattner
e30c763189 Fix bug: 2003-02-19-LoopInfoNestingBug.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5603 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-02-20 00:17:17 +00:00
Misha Brukman
6b290a5440 Added helper functions in LoopInfo: isLoopExit and numBackEdges. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4112 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-11 05:31:10 +00:00
Chris Lattner
c8f25d91bd Minor tweak 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3985 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-29 22:59:29 +00:00
Chris Lattner
b1f8aebc67 Fix printing of loop information 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3977 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-29 21:43:04 +00:00
Chris Lattner
fce46ef803 Fix printing of loop information 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3941 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-26 16:15:54 +00:00
Chris Lattner
699b305c86 - Add new methods to LoopInfo: getLoopPreheader, addBasicBlockToLoop. 
These allow extra information to be easily gathered, and loopinfo to be
    updated.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3936 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-26 05:32:50 +00:00
Anand Shukla
e0b6b78e09 Changed so it gets linked properly 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3508 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-26 16:45:19 +00:00
Chris Lattner
546b027b3e - Do not expose ::ID from any of the analyses anymore. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3417 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-21 17:09:49 +00:00
Chris Lattner
dd5b495129 - Cleaned up the interface to AnalysisUsage to take analysis class names 
instead of ::ID's.
 - Pass::getAnalysis<> now no longer takes an optional argument


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3264 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-08 19:01:28 +00:00
Chris Lattner
17689dfe24 Declare that these passes only depend on the CFG of the function 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3157 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-07-30 16:27:52 +00:00
Chris Lattner
eb702350f7 * Eliminate the Provided set. All Passes now finally just automatically 
provide themselves.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3124 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-07-29 21:03:33 +00:00
Chris Lattner
a59cbb2043 * Standardize how analysis results/passes as printed with the print() virtual 
methods
* Eliminate AnalysisID:  Now it is just a typedef for const PassInfo*
* Simplify how AnalysisID's are initialized
* Eliminate Analysis/Writer.cpp/.h: incorporate printing functionality into
  the analyses themselves.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3116 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-07-27 01:12:17 +00:00
Chris Lattner
1e43516dcf * 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3112 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-07-26 21:12:44 +00:00
Chris Lattner
7e70829632 MEGAPATCH checkin. 
For details, See: docs/2002-06-25-MegaPatchInfo.txt


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2779 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-06-25 16:13:24 +00:00
Chris Lattner
0f99555ce4 *** empty log message *** 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2755 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-06-03 22:10:52 +00:00
Chris Lattner
07a228d1f7 Mark analyses that only depend on the CFG of a function 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2507 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-06 19:32:07 +00:00
Chris Lattner
1b7f7dc4b4 Eliminate the cfg namespace, moving LoopInfo, Dominators, Interval* classes 
to the global namespace


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2370 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-04-28 16:21:30 +00:00
Chris Lattner
a298d27808 Change the Dominator info and LoopInfo classes to keep track of BasicBlock's, not 
const BasicBlocks


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2337 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-04-28 00:15:57 +00:00
Chris Lattner
f57b845547 * Rename MethodPass class to FunctionPass 
- Rename runOnMethod to runOnFunction
* Transform getAnalysisUsageInfo into getAnalysisUsage
  - Method is now const
  - It now takes one AnalysisUsage object to fill in instead of 3 vectors
    to fill in
  - Pass's now specify which other passes they _preserve_ not which ones
    they modify (be conservative!)
  - A pass can specify that it preserves all analyses (because it never
    modifies the underlying program)
* s/Method/Function/g in other random places as well


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2333 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-04-27 06:56:12 +00:00
Chris Lattner
918c4ecb0c Don't leak all of the Loop objects created... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2196 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-04-09 05:43:19 +00:00
Chris Lattner
b7653df085 s/Method/Function 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2180 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-04-08 22:03:57 +00:00
Chris Lattner
455889aa79 * Pull BasicBlock::pred_* and BasicBlock::succ_* out of BasicBlock.h and into 
llvm/Support/CFG.h
* Make pred & succ iterators for intervals global functions
* Add #includes that are now neccesary because BasicBlock.h doesn't include
  InstrTypes.h anymore


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1750 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-02-12 22:39:50 +00:00
Chris Lattner
221d688a5e Method.h no longer includes BasicBlock.h 
Method::inst_* is now in llvm/Support/InstIterator.h
GraphTraits specializations for BasicBlock and Methods are now in llvm/Support/CFG.h


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1746 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-02-12 21:07:25 +00:00
Chris Lattner
93193f8063 Convert analyses to new pass structure 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1603 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-01-31 00:42:27 +00:00
Chris Lattner
697954c15d Changes to build successfully with GCC 3.02 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1503 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-01-20 22:54:45 +00:00