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Commit Graph

98 Commits

Author SHA1 Message Date
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
Reid Spencer
2c6d390a60 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
Nate Begeman
7c2afcfc02 Fix PR681 by using the standard Lengauer and Tarjan algorithm for dominator
set construction, rather than intersecting various std::sets.  This reduces
the memory usage for the testcase in PR681 from 496 to 26MB of ram on my
darwin system, and reduces the runtime from 32.8 to 0.8 seconds on a
2.5GHz G5.  This also enables future code sharing between Dom and PostDom
now that they share near-identical implementations.

llvm-svn: 26707
2006-03-11 02:20:46 +00:00
Chris Lattner
84a9d11b28 Initial implementation of the ET-Forest data structure for dominators and
post-dominators.  This code was written/adapted by Daniel Berlin!

llvm-svn: 25144
2006-01-08 08:22:18 +00:00
Chris Lattner
bd00b4a18e post-dom-frontiers requires proper post-dominance
llvm-svn: 24409
2005-11-18 07:28:26 +00:00
Misha Brukman
a9a1982a44 Convert tabs to spaces
llvm-svn: 21439
2005-04-22 04:01:18 +00:00
Misha Brukman
122d682689 Remove trailing whitespace
llvm-svn: 21416
2005-04-21 21:13:18 +00:00
Chris Lattner
2fae8a1ef9 Add support for unreachable
llvm-svn: 17056
2004-10-16 18:21:33 +00:00
Chris Lattner
3fc5e3778f Do not use the same variable name for two different variables in the
same scope.  This confused VC++ (and probably people too!).  Patch by
Morten Ofstad!

llvm-svn: 16985
2004-10-14 14:59:16 +00:00