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78 Commits

Author SHA1 Message Date
Devang Patel
4b8f36f106 Do not rely on std::sort and std::erase to get list of unique 
exit blocks. The output is dependent on addresses of basic block.

Add and use Loop::getUniqueExitBlocks.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29966 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-29 22:29:16 +00:00
Chris Lattner
5d8925c7c5 Eliminate RegisterAnalysis. RegisterPass now does all that is necessary. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29921 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-27 22:30:17 +00:00
Chris Lattner
69b3992154 Make Loop::getExitBlocks significantly faster for large loops. Instead of 
pounding on Loop::contains (which is O(n) in the size of the loop), use a
sorted vector, which is O(log(N)) for each query.  This speeds up Duraid's
horrible testcase from ~72s to ~31s in a debug build.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29645 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-12 05:02:03 +00:00
Chris Lattner
880ddb018a Speed up Loop::isLCSSAForm by using a binary search and single-entry cache. 
This reduces LCSSA pass time from 1.5s to 0.96s when run on eon in release+asserts mode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29464 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-02 00:14:16 +00:00
Owen Anderson
3cc86cc11f Update isLCSSAForm to handle PHI nodes specially for live-out detection. This 
is the same as the recent patch to LCSSA.cpp.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28773 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-06-13 20:45:22 +00:00
Owen Anderson
c2cc15cf9d Re-commit the safe parts of my 6/9 patch. Still working on fixing the unsafe parts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28748 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-06-11 19:22:28 +00:00
Evan Cheng
b9b2b309d3 Back out Owen's 6/9 changes. They broke MultiSource/Benchmarks/Prolangs-C/bison (and perhaps others). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28747 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-06-11 09:32:57 +00:00
Owen Anderson
f25c19c6b5 Make Loop able to verify that it is in LCSSA-form, and have the LCSSA pass assert 
on this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28738 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-06-09 18:33:30 +00:00
Reid Spencer
4f1bd9e996 For PR780: 
1. Fix the macros in IncludeFile.h to put everything in the llvm namespace
2. Replace the previous explicit mechanism in all the .h and .cpp files
   with the macros in IncludeFile.h
This gets us a consistent mechanism throughout LLVM for ensuring linkage.
Next step is to make sure its used in enough places.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28715 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-06-07 22:00:26 +00:00
Reid Spencer
192913e281 Change from using a stub function to a stub variable for passing to the 
IncludeFile hack to ensure linkage of analysis passes. This works around
some -pedantic warnings about assigning an object to a function.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28621 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-06-01 07:02:51 +00:00
Chris Lattner
60330ff193 add an assert 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26178 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-14 20:14:17 +00:00
Chris Lattner
25abb1dc09 Change ET-Forest to automatically recalculate its DFSnum's if too many slow 
queries are made.

Patch by Daniel Berlin!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25323 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-14 20:55:09 +00:00
Chris Lattner
45a0e9b04d Switch loopinfo to using ETForest instead of DominatorSet to compute itself. 
Patch by Daniel Berlin!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25199 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-11 05:08:29 +00:00
Chris Lattner
b6a69e70e0 Add a new getLoopLatch() method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23315 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-12 17:03:55 +00:00
Misha Brukman
f4f85998bf Remove extra blank line 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21706 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-05 23:43:47 +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
Reid Spencer
ce9653ce44 For PR387:\ 
Make only one print method to avoid overloaded virtual warnings when \
compiled with -Woverloaded-virtual


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18589 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-07 04:03:45 +00:00
Reid Spencer
2da5c3dda6 Convert code to compile with vc7.1. 
Patch contributed by Paolo Invernizzi. Thanks Paolo!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16368 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-09-15 17:06:42 +00:00
Alkis Evlogimenos
20aa474f8f Fixes to make LLVM compile with vc7.1. 
Patch contributed by Paolo Invernizzi!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16152 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-09-03 18:19:51 +00:00
Reid Spencer
551ccae044 Changes For Bug 352 
Move include/Config and include/Support into include/llvm/Config,
include/llvm/ADT and include/llvm/Support. From here on out, all LLVM
public header files must be under include/llvm/.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16137 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-09-01 22:55:40 +00:00
Reid Spencer
954da37bb4 Add #include <iostream> since Value.h does not #include it any more. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14622 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-04 12:19:56 +00:00
Chris Lattner
47c31a8248 Don't grab the condition of unconditional branches! 
This fixes PR363


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14076 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-08 21:50:30 +00:00
Chris Lattner
446b86d381 Remove code to update loop depths 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13058 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-19 03:02:09 +00:00
Chris Lattner
85661d0978 Add new method 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13050 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-18 22:45:27 +00:00
Chris Lattner
343c0cfa19 Fix computation of exit blocks 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13047 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-18 22:21:41 +00:00
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