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Commit Graph

63 Commits

Author SHA1 Message Date
Chris Lattner
3aff97254e Make dominates(A,B) work with post dominators. Patch contributed by
Naveen Neelakantam, thanks!

llvm-svn: 21543
2005-04-25 20:50:33 +00:00
Jeff Cohen
6c42217055 Eliminate tabs and trailing spaces
llvm-svn: 21480
2005-04-23 21:38:35 +00:00
Misha Brukman
53e199440e Remove trailing whitespace
llvm-svn: 21427
2005-04-21 23:48:37 +00:00
Reid Spencer
d50c86f078 For PR387:\
Make only one print method to avoid overloaded virtual warnings when \
compiled with -Woverloaded-virtual

llvm-svn: 18589
2004-12-07 04:03:45 +00:00
Chris Lattner
44e34a155c Make sure any client of Dominators.h links in Dominators.cpp
Patch by Morten Ofstad

llvm-svn: 16987
2004-10-14 15:47:16 +00:00
Reid Spencer
c4abcbefb1 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/.

llvm-svn: 16137
2004-09-01 22:55:40 +00:00
Chris Lattner
a1d29e1b15 compute dominator tree children in a deterministic order that does not depend
on the address of BasicBlock objects in memory.  This eliminates stuff like this:

 Inorder Dominator Tree:
   [1]  %entry
     [2]  %loopentry
-      [3]  %loopexit
       [3]  %no_exit
-        [4]  %endif
         [4]  %then
+        [4]  %endif
+      [3]  %loopexit
       [3]  %return

llvm-svn: 14253
2004-06-19 20:13:48 +00:00
Chris Lattner
ba131c993e Print out immediate dominators in program order, not in random order based on the address
of BasicBlock objects

llvm-svn: 14252
2004-06-19 20:04:47 +00:00
Chris Lattner
c107a4d1c5 Add missing #include
llvm-svn: 14037
2004-06-05 00:24:59 +00:00
Chris Lattner
d4abe8d28a The recalclulate method was a nasty hack that was once used by the -cee pass,
which never worked itself.  The cee pass still doesn't work, but it doesn't use
this method anymore anyway, so eliminate the method.

llvm-svn: 10302
2003-12-07 00:55:32 +00:00
Chris Lattner
9eeb35760f Completely rewrite domset, idom, and domtree implementation. Now it is based
on the algorithm for directly computing immediate dominators presented in this
paper:

  A Fast Algorithm for Finding Dominators in a Flowgraph
  T. Lengauer & R. Tarjan, ACM TOPLAS July 1979, pgs 121-141.

This _substantially_ speeds up construction of all dominator related information.
Post-dominators to follow.

llvm-svn: 10301
2003-12-07 00:38:08 +00:00
Chris Lattner
a1da49a55c Finegrainify namespacification
llvm-svn: 10131
2003-11-21 20:23:48 +00:00
Brian Gaeke
d25f86d683 Put all LLVM code into the llvm namespace, as per bug 109.
llvm-svn: 9903
2003-11-11 22:41:34 +00:00
John Criswell
b402729b30 Added LLVM project notice to the top of every C++ source file.
Header files will be on the way.

llvm-svn: 9298
2003-10-20 19:43:21 +00:00
Chris Lattner
d4de2760aa Rename Function::getEntryNode -> getEntryBlock
llvm-svn: 8625
2003-09-20 14:39:18 +00:00
Chris Lattner
3d39abeeb7 Renamed DominatorTree::Node::getNode() -> getBlock()
llvm-svn: 8469
2003-09-11 16:26:13 +00:00
Chris Lattner
ebf6d5c622 Rework dominator interfaces to handle changes in the post-dominance
construction.  Now there may be multiple root blocks, and null is a
special node used to mark the "virtual" exit node of a CFG.

llvm-svn: 8461
2003-09-10 20:37:51 +00:00
Chris Lattner
9f1ec93145 Do not even attempt to compute dominator information for unreachable blocks
llvm-svn: 7963
2003-08-18 22:11:16 +00:00
Misha Brukman
56f7db4178 Spell `necessary' correctly.
llvm-svn: 7944
2003-08-18 14:43:39 +00:00
Chris Lattner
1cab8ed666 Remove using declarations and extraneous #includes
llvm-svn: 6303
2003-05-22 21:47:17 +00:00
Chris Lattner
6a0cf6f937 Fix bug: Dominators/2003-05-12-UnreachableCode.ll
llvm-svn: 6158
2003-05-12 22:35:13 +00:00
Chris Lattner
b9f59f1533 Expose new "recalculate" method from dominatorset
llvm-svn: 4074
2002-10-08 19:12:08 +00:00
Chris Lattner
85ba0832e5 Fix a nasty problem with dominance calculation for unreachable blocks.
If we had a CFG that look like Entry -> B, Unreachable -> B, then we would
not correctly determine that Entry dominated B, because Entry did not
apparently dominate "unreachable".  This patch fixes this by making the entry
node dominate all blocks, including unreachable ones.

llvm-svn: 4037
2002-10-04 14:45:48 +00:00
Chris Lattner
2a7dd8373f Improve printing of dominator sets
llvm-svn: 3976
2002-09-29 21:42:42 +00:00
Chris Lattner
8752bb1cfc - Add methods to ImmediateDominators & DominatorTree to allow updates
- Make DominatorTree::Node not inherit from std::vector

llvm-svn: 3939
2002-09-26 16:14:41 +00:00
Chris Lattner
e6cf772ddd Fix bug: test/Regression/Assembler/2002-08-22-DominanceProblem.ll
llvm-svn: 3474
2002-08-22 20:39:29 +00:00
Chris Lattner
ae2d7ffd42 - Do not expose ::ID from any of the analyses anymore.
llvm-svn: 3415
2002-08-21 17:09:15 +00:00
Chris Lattner
e980c93ebc Implement dominator checking in the verifier, so that we check that all
defintiions dominate their uses

llvm-svn: 3214
2002-08-02 17:37:08 +00:00
Chris Lattner
7c8f92eacc Fix bug: test/Regression/Other/2002-08-02-DomSetProblem.ll
llvm-svn: 3213
2002-08-02 16:51:27 +00:00
Chris Lattner
829a3f1c3a Split dominance calculation and post dominance calculation stuff
Dominance calculation goes to VMCore library to be used by Verifier.

llvm-svn: 3210
2002-08-02 16:43:03 +00:00
Chris Lattner
24f5355b1f *** empty log message ***
llvm-svn: 3185
2002-07-31 19:32:01 +00:00
Chris Lattner
57c110ce62 Declare that these passes only depend on the CFG of the function
llvm-svn: 3157
2002-07-30 16:27:52 +00:00
Chris Lattner
b202b77aab * Eliminate the Provided set. All Passes now finally just automatically
provide themselves.

llvm-svn: 3124
2002-07-29 21:03:33 +00:00
Chris Lattner
ec2780457d * 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.

llvm-svn: 3116
2002-07-27 01:12:17 +00:00
Chris Lattner
b934722f1b * 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

llvm-svn: 3112
2002-07-26 21:12:44 +00:00
Chris Lattner
ec1a192b16 *** empty log message ***
llvm-svn: 3105
2002-07-26 18:40:14 +00:00
Chris Lattner
dfd421a7df MEGAPATCH checkin.
For details, See: docs/2002-06-25-MegaPatchInfo.txt

llvm-svn: 2779
2002-06-25 16:13:24 +00:00
Chris Lattner
2735171cf5 Add method to check to see if two _Instructions_ dominate each other
llvm-svn: 2616
2002-05-13 22:03:16 +00:00
Chris Lattner
f7806b0212 Move UnifyFunctionExitNodes to Utils library: final resting place this time
llvm-svn: 2531
2002-05-07 19:18:48 +00:00
Chris Lattner
9e1c79995e Updates to move some header files out of include/llvm/Transforms into
the Scalar and Utils subdirectories

llvm-svn: 2523
2002-05-07 18:36:35 +00:00
Chris Lattner
44c4a3f18f Mark analyses that only depend on the CFG of a function
llvm-svn: 2507
2002-05-06 19:32:07 +00:00
Chris Lattner
96e0c48175 Eliminate duplicate or unneccesary #include's
llvm-svn: 2397
2002-04-29 17:42:12 +00:00
Chris Lattner
07fe96ca98 Eliminate the cfg namespace, moving LoopInfo, Dominators, Interval* classes
to the global namespace

llvm-svn: 2370
2002-04-28 16:21:30 +00:00
Chris Lattner
741453dd60 Change the Dominator info and LoopInfo classes to keep track of BasicBlock's, not
const BasicBlocks

llvm-svn: 2337
2002-04-28 00:15:57 +00:00
Chris Lattner
2f0ee1833d s/Method/Function
llvm-svn: 2336
2002-04-27 07:27:19 +00:00
Chris Lattner
536cf1b13f * 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

llvm-svn: 2333
2002-04-27 06:56:12 +00:00
Chris Lattner
bc15ae64dd Change references to the Method class to be references to the Function
class.  The Method class is obsolete (renamed) and all references to it
are being converted over to Function.

llvm-svn: 2144
2002-04-07 20:49:59 +00:00
Chris Lattner
8e9be000a7 * 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

llvm-svn: 1750
2002-02-12 22:39:50 +00:00
Chris Lattner
b0a2c5546b 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

llvm-svn: 1746
2002-02-12 21:07:25 +00:00
Chris Lattner
c77877fb46 Remove generic routines to Support/SetOperations.h
llvm-svn: 1715
2002-02-05 03:35:31 +00:00