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106 Commits

Author SHA1 Message Date
Chris Lattner
a2345ee59d remove postdom frontiers, because it is dead. Forward dom frontiers are 
still used by RegionInfo :(

llvm-svn: 128943
 2011-04-05 21:57:17 +00:00
Chris Lattner
e396e846b4 split dom frontier handling stuff out to its own DominanceFrontier header, 
so that Dominators.h is *just* domtree.  Also prune #includes a bit.

llvm-svn: 122714
 2011-01-02 22:09:33 +00:00
Owen Anderson
63f757463c Begin adding static dependence information to passes, which will allow us to 
perform initialization without static constructors AND without explicit initialization
by the client.  For the moment, passes are required to initialize both their
(potential) dependencies and any passes they preserve.  I hope to be able to relax
the latter requirement in the future.

llvm-svn: 116334
 2010-10-12 19:48:12 +00:00
Owen Anderson
69cbf2e8b7 Now with fewer extraneous semicolons! 
llvm-svn: 115996
 2010-10-07 22:25:06 +00:00
Owen Anderson
b36d01c1b6 Add INSTANTIATE_AG_PASS, which combines RegisterPass<> with RegisterAnalysisGroup<> for pass registration. 
llvm-svn: 109058
 2010-07-21 23:07:00 +00:00
Owen Anderson
f8addbb0a1 Fix batch of converting RegisterPass<> to INTIALIZE_PASS(). 
llvm-svn: 109045
 2010-07-21 22:09:45 +00:00
Gabor Greif
9096841571 cache result of operator* 
llvm-svn: 107977
 2010-07-09 15:52:36 +00:00
Tobias Grosser
7bae2d156a Remove unneeded debug in PostDominator runOnFunction() 
The information is already available with "opt -analyze". The DominatorTree
does also not have this in its runOnFunction. So they behave now
more consistent.

llvm-svn: 101038
 2010-04-12 15:32:55 +00:00
David Greene
fd7042fa79 Convert debug messages to use dbgs(). Generally this means 
s/errs/dbgs/g except for certain special cases.

llvm-svn: 92048
 2009-12-23 21:16:54 +00:00
Chris Lattner
1c0452caeb Change Pass::print to take a raw ostream instead of std::ostream, 
update all code that this affects.

llvm-svn: 79830
 2009-08-23 06:03:38 +00:00
Chris Lattner
ea2bfd7a9f eliminate the std::ostream form of WriteAsOperand and update clients. 
This also updates dominator related stuff.

llvm-svn: 79825
 2009-08-23 05:17:37 +00:00
Owen Anderson
0eabbbfc58 Add newline at end of file. 
llvm-svn: 51701
 2008-05-29 21:05:16 +00:00
Owen Anderson
0e26c5897a Force postdom to be linked into opt and bugpoint, even though it is no longer used by any passes. 
llvm-svn: 51686
 2008-05-29 17:00:13 +00:00
Dan Gohman
a84b75df17 Remove uses of llvm/System/IncludeFile.h that are no longer needed. 
llvm-svn: 50695
 2008-05-06 01:32:53 +00:00
Torok Edwin
d016bb2685 Implement destructor for PostDominatorTree to eliminate a memory leak. 
llvm-svn: 50607
 2008-05-03 20:25:26 +00:00
Owen Anderson
030428b435 Major repairs to the post-dominators implementation. Patch from Florian Brandner! 
llvm-svn: 49768
 2008-04-16 04:21:16 +00:00
Devang Patel
1b64c7d1e5 These passes preserve CFG. 
This patch fixes Benchmarks/Trimaran/enc-pc1/enc-pc1 failure reported by Grawp-PIC i386 nightly tester

llvm-svn: 48623
 2008-03-20 23:27:18 +00:00
Devang Patel
f15fe34521 Restore isCFGOnly property of various analysis passes. 
llvm-svn: 48579
 2008-03-20 02:25:21 +00:00
Devang Patel
5e8cbbea65 PassInfo keep tracks whether a pass is an analysis pass or not. 
llvm-svn: 48554
 2008-03-19 21:56:59 +00:00
Chris Lattner
ad9a6ccb83 Remove attribution from file headers, per discussion on llvmdev. 
llvm-svn: 45418
 2007-12-29 20:36:04 +00:00
Owen Anderson
33b9693ab8 Make DomTree and PostDomTree thin wrappers around DomTreeBase, rather than inheriting from it. 
llvm-svn: 43259
 2007-10-23 20:58:37 +00:00
Owen Anderson
43fefb53a6 Template DominatorTreeBase by node type. This is the next major step towards 
having dominator information on MBB's.

llvm-svn: 43036
 2007-10-16 19:59:25 +00:00
Owen Anderson
cb51170957 Completely merge the implementation details of DomTree and PostDomTree. 
Also, add a FIXME for a bug in PostDomTree calculation I noticed while writing this,

llvm-svn: 42593
 2007-10-03 21:25:45 +00:00
Owen Anderson
91e23d710c Factor some code from the DomTree and PostDomTree calculate methods up into 
each one's runOnFunction method.

llvm-svn: 42563
 2007-10-03 03:20:17 +00:00
Owen Anderson
a533c458f5 Have PostDomTree use the newly templated DFSPass. 
llvm-svn: 42427
 2007-09-28 01:23:47 +00:00
Owen Anderson
bc099e74d8 Factor the calculation details for PostDomTree out of PostDominators.cpp and 
into a separate header file.

Next step: merging PostDominatorCalculation.h with DominatorCalculation.h.

llvm-svn: 42251
 2007-09-23 22:21:00 +00:00
Chris Lattner
65d638a918 reimplement dfs number computation to be significantly faster. This speeds up 
natural loop canonicalization (which does many cfg xforms) by 4.3x, for 
example.  This also fixes a bug in postdom dfnumber computation.

llvm-svn: 40920
 2007-08-08 05:51:24 +00:00
Chris Lattner
4b65325ba7 Fix an iterator invalidation bug I induced. 
llvm-svn: 40830
 2007-08-05 00:24:30 +00:00
Chris Lattner
7cdaff2298 Switch some std::sets to SmallPtrSet. This speeds up 
domtree by 10% and postdomtree by 17%

llvm-svn: 40829
 2007-08-05 00:15:57 +00:00
Chris Lattner
a5a692b9bb Switch the internal "Info" map from an std::map to a DenseMap. This 
speeds up idom by about 45% and postidom by about 33%.

Some extra precautions must be taken not to invalidate densemap iterators.

llvm-svn: 40827
 2007-08-05 00:02:00 +00:00
Chris Lattner
5912537997 switch the DomTreeNodes and IDoms maps in idom/postidom to a 
DenseMap instead of an std::map.  This speeds up postdomtree
by about 25% and domtree by about 23%.  It also speeds up clients,
for example, domfrontier by 11%, mem2reg by 4% and ADCE by 6%.

llvm-svn: 40826
 2007-08-04 23:48:07 +00:00
Devang Patel
aa2a753350 Unreachable block is not a root node in post dominator tree. 
llvm-svn: 40458
 2007-07-24 01:02:25 +00:00
Devang Patel
ab4cb51479 Break DominatorTree from ETNode. 
Remove unused PostETForest.

llvm-svn: 37551
 2007-06-12 00:54:38 +00:00
Devang Patel
babcd06827 Maintain ETNode as part of DomTreeNode. 
This adds redundancy for now.

llvm-svn: 37492
 2007-06-07 17:47:21 +00:00
Devang Patel
2ef6caf14f s/llvm::DominatorTreeBase::DomTreeNode/llvm::DomTreeNode/g 
llvm-svn: 37407
 2007-06-04 00:32:22 +00:00
Devang Patel
d58b82f83a s/DominatorTreeBase::Node/DominatorTreeBase:DomTreeNode/g 
llvm-svn: 37403
 2007-06-03 06:26:14 +00:00
Devang Patel
cd45427a87 Drop 'const' 
llvm-svn: 36662
 2007-05-03 01:11:54 +00:00
Devang Patel
8ee9065162 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
38a66bc82e Do not use typeinfo to identify pass in pass manager. 
llvm-svn: 36632
 2007-05-01 21:15:47 +00:00
Devang Patel
ffbee86b8e Cache DT[*SI] lookup. 
llvm-svn: 36239
 2007-04-18 01:19:55 +00:00
Devang Patel
daba9f7064 Fix 
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20070416/047971.html

llvm-svn: 36236
 2007-04-18 00:53:01 +00:00
Owen Anderson
b371956400 Tabs -> Spaces 
llvm-svn: 36094
 2007-04-15 23:14:18 +00:00
Owen Anderson
ea857029ea 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
85b0e20f2a Completely purge DomSet. This is the (hopefully) final patch for PR1171. 
llvm-svn: 35731
 2007-04-07 07:17:27 +00:00
Bill Wendling
3244a7dc35 Removed unneeded <iostream> #include. 
llvm-svn: 31810
 2006-11-17 07:10:51 +00:00
Devang Patel
7604cbd117 Fix DFS walk. 
Fix http://llvm.org/bugs/show_bug.cgi?id=923

llvm-svn: 30630
 2006-09-27 17:18:05 +00:00
Devang Patel
2e8547542f Untabify. 
llvm-svn: 30168
 2006-09-07 23:29:19 +00:00
Devang Patel
6971b40067 Use iterative do-while loop instead of recursive DFSPass calls to 
reduce amount of stack space used at runtime.

llvm-svn: 30167
 2006-09-07 23:22:37 +00:00
Chris Lattner
f530302eda Eliminate RegisterAnalysis. RegisterPass now does all that is necessary. 
llvm-svn: 29921
 2006-08-27 22:30:17 +00:00
Reid Spencer
560366562b 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