Commit Graph

119 Commits

Author SHA1 Message Date
Devang Patel c445982764 Remove ETForest.
llvm-svn: 37765
2007-06-27 20:53:52 +00:00
Devang Patel d5258a23a5 Move code to update dominator information after basic block is split
from LoopSimplify.cpp to Dominator.cpp

llvm-svn: 37689
2007-06-21 17:23:45 +00:00
Devang Patel 149a7616dc isReachableFromEntry() is not suitable for post dominator.
llvm-svn: 37562
2007-06-12 17:50:25 +00:00
Devang Patel 47419ee142 Remove redundant check.
llvm-svn: 37561
2007-06-12 17:35:20 +00:00
Devang Patel dcf0c03ff7 Check A dominates B and vise versa first while searching for nearest
common dominator.

llvm-svn: 37559
2007-06-12 17:17:57 +00:00
Devang Patel a6ff5bf9ba Break DominatorTree from ETNode.
Remove unused PostETForest.

llvm-svn: 37551
2007-06-12 00:54:38 +00:00
Devang Patel d324360352 Use SmallPtrSet instaed of std::set
llvm-svn: 37548
2007-06-12 00:40:51 +00:00
Devang Patel 9576fac800 Check immediate dominators first while searching for nearset common dominator.
Fix 80 col violations.

llvm-svn: 37547
2007-06-12 00:35:38 +00:00
Devang Patel 88ea2dbc68 Maintain DFS number in DomTreeNode itself.
This means now ETNodes are not useful anymore.

llvm-svn: 37546
2007-06-12 00:14:41 +00:00
Devang Patel 78b9c68164 Add and use DominatorTreeBase::findNearestCommonDominator().
llvm-svn: 37545
2007-06-11 23:31:22 +00:00
Devang Patel becc466451 Update LoopSimplify to require and preserve DominatorTree only.
Now LoopSimplify does not require nor preserve ETForest.

llvm-svn: 37512
2007-06-08 01:50:32 +00:00
Devang Patel 46d92cae96 Add instruction level dominates(A,B) interface.
llvm-svn: 37504
2007-06-07 23:52:40 +00:00
Devang Patel af41e4a192 Maintain ETNode as part of DomTreeNode.
This adds redundancy for now.

llvm-svn: 37492
2007-06-07 17:47:21 +00:00
Devang Patel def2d9790a Add new dominator tree node into dominator tree node map.
llvm-svn: 37475
2007-06-06 20:08:11 +00:00
Devang Patel 4a7c2830d4 Add FIXMEs.
llvm-svn: 37417
2007-06-04 17:38:00 +00:00
Devang Patel bdd1aaef10 s/llvm::DominatorTreeBase::DomTreeNode/llvm::DomTreeNode/g
llvm-svn: 37407
2007-06-04 00:32:22 +00:00
Devang Patel 0e8aa7b69a s/DominatorTreeBase::Node/DominatorTreeBase:DomTreeNode/g
llvm-svn: 37403
2007-06-03 06:26:14 +00:00
Devang Patel d50859e87b Add dump() routines for debugging assistance.
llvm-svn: 37314
2007-05-23 19:55:36 +00:00
Devang Patel 2acc9769cc Use iterative while loop instead of recursive function call.
llvm-svn: 36694
2007-05-03 20:55:18 +00:00
Devang Patel 8c78a0bff0 Drop 'const'
llvm-svn: 36662
2007-05-03 01:11:54 +00:00
Devang Patel e95c6ad802 Use 'static const char' instead of 'static const int'.
Due to darwin gcc bug, one version of darwin linker coalesces
static const int, which defauts PassID based pass identification.

llvm-svn: 36652
2007-05-02 21:39:20 +00:00
Devang Patel 09f162ca6a Do not use typeinfo to identify pass in pass manager.
llvm-svn: 36632
2007-05-01 21:15:47 +00:00
Devang Patel 2e2518cc2e Reset vertex.
Fix http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20070416/048092.html

llvm-svn: 36294
2007-04-21 00:36:45 +00:00
Owen Anderson f064c92298 Tabs -> Spaces
llvm-svn: 36094
2007-04-15 23:14:18 +00:00
Owen Anderson f35a1dbc7a Remove ImmediateDominator analysis. The same information can be obtained from DomTree. A lot of code for
constructing ImmediateDominator is now folded into DomTree construction.

This is part of the ongoing work for PR217.

llvm-svn: 36063
2007-04-15 08:47:27 +00:00
Owen Anderson e59b36defa Fix some unsafe code. Also, tabs -> spaces.
llvm-svn: 36035
2007-04-14 23:57:00 +00:00
Owen Anderson 78cecc817f Make ETForest depend on DomTree rather than IDom. This is the first step
in the long process that will be fixing PR 217.

llvm-svn: 36034
2007-04-14 23:49:24 +00:00
Chris Lattner d112a031ea Convert ImmediateDominators::DFSPass from being recursive to being iterative.
llvm-svn: 35815
2007-04-09 06:44:42 +00:00
Chris Lattner 0a5677d912 minor cleanups
llvm-svn: 35807
2007-04-09 06:10:06 +00:00
Owen Anderson 6978893a8f Move isReachableFromEntry out of line to avoid an unnecessary #include
llvm-svn: 35797
2007-04-09 04:07:36 +00:00
Owen Anderson fe507270ac Remove DomSet completely. This concludes work on PR1171.
llvm-svn: 35775
2007-04-08 21:30:05 +00:00
Nick Lewycky 73ffedb592 Don't crash when encountering a BasicBlock that hasn't been registered yet.
llvm-svn: 35756
2007-04-08 01:02:12 +00:00
Owen Anderson f7ebea1b9f Add DomSet back, and revert the changes to LoopSimplify. Apparently the
ETForest updating mechanisms don't work as I thought they did.  These changes
will be reapplied once the issue is worked out.

llvm-svn: 35741
2007-04-07 18:23:27 +00:00
Owen Anderson 8763ba1b88 Completely purge DomSet. This is the (hopefully) final patch for PR1171.
llvm-svn: 35731
2007-04-07 07:17:27 +00:00
Devang Patel 0b013d578d It is not possible to determine dominance between two PHI nodes
based on their ordering. This is applicable to ETForest::dominates() also.

llvm-svn: 35423
2007-03-28 14:57:43 +00:00
Devang Patel 5a1bd4045d Use SmallPtrSet.
llvm-svn: 35388
2007-03-27 20:50:46 +00:00
Devang Patel 2850c677af Spell check.
llvm-svn: 35374
2007-03-27 00:16:08 +00:00
Devang Patel bea581d70c It is not possible to determie dominance between two PHI nodes
based on their ordering.

llvm-svn: 35369
2007-03-26 23:18:28 +00:00
Devang Patel 55566a972c Use std::vector<DFCalculateWorkObject> instead of
std::vector<DFCalculateWorkObject *> to reduce malloc/free traffic.

llvm-svn: 35368
2007-03-26 23:17:19 +00:00
Devang Patel eb5d241d00 DominanceFrontier::calculate().
Avoid recursion, Use iterative algorithm.

llvm-svn: 35225
2007-03-20 21:25:31 +00:00
Devang Patel 1758cb50de LoopSimplify::FindPHIToPartitionLoops()
Use ETForest instead of DominatorSet.

llvm-svn: 35221
2007-03-20 20:18:12 +00:00
Bill Wendling 6a462f1e99 Removed iostream #includes. Replaced std::cerr with DOUT.
llvm-svn: 31814
2006-11-17 08:03:48 +00:00
Devang Patel 81c9e42bea remove extra white spaces.
llvm-svn: 30576
2006-09-22 01:07:57 +00:00
Devang Patel 0c4e730c9c Use iterative algorith to assign DFS number. This reduces
call stack depth.

llvm-svn: 30575
2006-09-22 01:05:33 +00:00
Devang Patel 9ce9df5912 Undo previous check-in.
Reintroduce recursive assignDFSNumber().

llvm-svn: 30380
2006-09-14 21:43:24 +00:00
Devang Patel 23d855b40d Avoid recursion in assignDFSNumber(). Move def from ET-Forest.h
to Dominators.h

llvm-svn: 30309
2006-09-14 01:27:42 +00:00
Chris Lattner 3c9b2420df Eliminate RegisterAnalysis. RegisterPass now does all that is necessary.
llvm-svn: 29921
2006-08-27 22:30:17 +00:00
Chris Lattner 38e1a09d4d Add dominates/properlyDominates queries to IDom.
llvm-svn: 29456
2006-08-01 22:24:47 +00:00
Reid Spencer be535661cc 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.

llvm-svn: 28715
2006-06-07 22:00:26 +00:00
Reid Spencer 5861659a1e 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.

llvm-svn: 28621
2006-06-01 07:02:51 +00:00