2732561be9
cache result of operator*
...
llvm-svn: 107967
2010-07-09 14:28:41 +00:00
b29cda9b3c
Fix a bunch of namespace polution.
...
llvm-svn: 101376
2010-04-15 17:08:50 +00:00
2734ebd37f
Add a DominatorTree argument to isLCSSA so that it doesn't have to
...
compute a set of reachable blocks for itself each time it is called, which
is fairly frequently.
llvm-svn: 98179
2010-03-10 19:38:49 +00:00
93452cebda
Make isLCSSA ignore uses in blocks not reachable from the entry block,
...
as LCSSA no longer transforms such uses.
llvm-svn: 98033
2010-03-09 01:53:33 +00:00
c3f2137c06
Restore dump() methods to Loop and MachineLoop.
...
llvm-svn: 92772
2010-01-05 21:08:02 +00:00
18fa5686f6
Add Loop contains utility methods for testing whether a loop
...
contains another loop, or an instruction. The loop form is
substantially more efficient on large loops than the typical
code it replaces.
llvm-svn: 91654
2009-12-18 01:24:09 +00:00
84ba039cf2
Make getUniqueExitBlocks's precondition assert more precise, to
...
avoid spurious failures. This fixes PR5758.
llvm-svn: 91147
2009-12-11 20:05:23 +00:00
62167b9516
Teach getSmallConstantTripMultiple about Shl operators.
...
llvm-svn: 89426
2009-11-20 01:09:34 +00:00
5196e415ad
Minor tidiness fixes.
...
llvm-svn: 86565
2009-11-09 18:19:43 +00:00
e3a1706e33
Factor out the predicate code for loopsimplify form exit blocks into
...
a separate helper function.
llvm-svn: 86159
2009-11-05 19:21:41 +00:00
83f5c835ff
Fix another place that calls Loop::contains a lot to construct a sorted
...
container of the blocks and do efficient lookups. This makes
isLoopSimplifyForm much faster on large loops, fixing a significant
compile-time issue in builds with assertions enabled.
llvm-svn: 84673
2009-10-20 20:41:13 +00:00
4dbb301f17
Move the dominator verification code out of special code embedded within
...
the PassManager code into a regular verifyAnalysis method.
Also, reorganize loop verification. Make the LoopPass infrastructure
call verifyLoop as needed instead of having LoopInfo::verifyAnalysis
check every loop in the function after each looop pass. Add a new
command-line argument, -verify-loop-info, to enable the expensive
full checking.
llvm-svn: 82952
2009-09-28 00:27:48 +00:00
3ddbc242fb
Re-apply r80926, with fixes: keep the domtree informed of new blocks
...
that get created during loop unswitching, and fix SplitBlockPredecessors'
LCSSA updating code to create new PHIs instead of trying to just move
existing ones.
Also, optimize Loop::verifyLoop, since it gets called a lot. Use
searches on a sorted list of blocks instead of calling the "contains"
function, as is done in other places in the Loop class, since "contains"
does a linear search. Also, don't call verifyLoop from LoopSimplify or
LCSSA, as the PassManager is already calling verifyLoop as part of
LoopInfo's verifyAnalysis.
llvm-svn: 81221
2009-09-08 15:45:00 +00:00
904199547b
Revert r80926. It causes loop unswitch assertion and slow down some JIT tests significantly.
...
llvm-svn: 81101
2009-09-06 02:26:10 +00:00
ed8f32022e
Smallvectorize switchExitBlocks.
...
llvm-svn: 80942
2009-09-03 20:36:13 +00:00
4c1bdcf5d7
Add a verifyAnalysis to LoopInfo, LoopSimplify, and LCSSA form that verify
...
that these passes are properly preserved.
Fix several transformation passes that claimed to preserve LoopSimplify
form but weren't.
llvm-svn: 80926
2009-09-03 16:31:42 +00:00
3a0ce3e639
Move getUniqueExitBlocks from LoopBase to Loop, since they depend on
...
LoopSimplify form, which is currently only available on Loops (and
not MachineLoops). Also, move the code out of the header file.
llvm-svn: 80923
2009-09-03 16:10:48 +00:00
91922253c5
remove uses of llvm/Support/Streams.h.
...
llvm-svn: 79838
2009-08-23 07:33:14 +00:00
1362602eb2
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
b1d782bec9
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
b8f6a4fc8e
Replace isTrapping with a new, similar method called
...
isSafeToSpeculativelyExecute. The new method is a bit closer to what
the callers actually care about in that it rejects more things callers
don't want. It also adds more precise handling for integer
division, and unifies code for analyzing the legality of a speculative
load.
llvm-svn: 76150
2009-07-17 04:28:42 +00:00
1511f701e7
Add an isLoopSimplifyForm() predicate, following the example of
...
isLCSSAForm(), to test whether a loop is in the form guaranteed
by the LoopSimplify pass.
llvm-svn: 76077
2009-07-16 16:16:23 +00:00
c43e47938a
Make makeLoopInvariant report whether it made any changes or not,
...
and use this to simplify more code.
llvm-svn: 75722
2009-07-15 01:25:43 +00:00
6f6d864815
Introduce a new LoopInfo utility function makeLoopInvariant, which
...
works similar to isLoopInvariant, except that it will do trivial
hoisting to try to make the value loop invariant if it isn't already.
This makes it easier for transformation passes to clear trivial
instructions out of the way (the regular LICM pass doesn't run
until relatively late). This is code factored out of LoopSimplify
and other places.
llvm-svn: 75578
2009-07-14 01:06:29 +00:00
80a9942593
Move isLCSSAForm, isLoopInvariant, getCanonicalInductionVariable,
...
and related functions out of LoopBase and into Loop, since they
are specific to BasicBlock-based loops. This also allows the code
to be moved out-of-line.
llvm-svn: 75523
2009-07-13 22:02:44 +00:00
4f16a2923c
Eliminate a layer of indirection in LoopInfo and MachineLoopInfo.
...
llvm-svn: 74394
2009-06-27 21:22:48 +00:00
d9ef48a73e
Remove some unnecessary #includes.
...
llvm-svn: 72948
2009-06-05 16:32:58 +00:00
410b4fdceb
Change the description string of the LoopInfo pass.
...
"Construction" makes it sound like a pass that might
modify the CFG to construct natural loops.
llvm-svn: 70580
2009-05-01 21:58:05 +00:00
8e0f6f272f
Remove dead comments.
...
llvm-svn: 61201
2008-12-18 09:01:18 +00:00
a8b7e78f54
Remove uses of llvm/System/IncludeFile.h that are no longer needed.
...
llvm-svn: 50695
2008-05-06 01:32:53 +00:00
4d638f1a42
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
80e43fa744
Restore isCFGOnly property of various analysis passes.
...
llvm-svn: 48579
2008-03-20 02:25:21 +00:00
718da668ab
PassInfo keep tracks whether a pass is an analysis pass or not.
...
llvm-svn: 48554
2008-03-19 21:56:59 +00:00
f3ebc3f3d2
Remove attribution from file headers, per discussion on llvmdev.
...
llvm-svn: 45418
2007-12-29 20:36:04 +00:00
b0dd27ee91
Make LoopInfoBase more generic, in preparation for having MachineLoopInfo. This involves a small interface change.
...
llvm-svn: 44348
2007-11-27 03:43:35 +00:00
1b74a9a628
More templatization.
...
llvm-svn: 44158
2007-11-15 05:00:15 +00:00
9306de0727
Start the process of making MachineLoopInfo possible by templating Loop.
...
llvm-svn: 44097
2007-11-14 02:33:58 +00:00
f5e520d892
Use SmallVector.
...
llvm-svn: 41230
2007-08-21 16:54:51 +00:00
a9e7c4f827
No need to hardcode SmallVector size.
...
llvm-svn: 41228
2007-08-21 16:39:43 +00:00
b5933bbbd5
Use SmallVector instead of std::vector.
...
llvm-svn: 41207
2007-08-21 00:31:24 +00:00
a273d1cd3a
Verify loop info.
...
llvm-svn: 40062
2007-07-19 18:02:32 +00:00
aee309e353
Use DominatorTree instead of ETForest.
...
llvm-svn: 37507
2007-06-08 00:17:13 +00:00
8c78a0bff0
Drop 'const'
...
llvm-svn: 36662
2007-05-03 01:11:54 +00:00
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
09f162ca6a
Do not use typeinfo to identify pass in pass manager.
...
llvm-svn: 36632
2007-05-01 21:15:47 +00:00
16cf9a7686
Speed up Loop::isLCSSAForm by using a hash table instead of a sorted vector.
...
llvm-svn: 34900
2007-03-04 04:06:39 +00:00
266e42b312
For PR950:
...
This patch removes the SetCC instructions and replaces them with the ICmp
and FCmp instructions. The SetCondInst instruction has been removed and
been replaced with ICmpInst and FCmpInst.
llvm-svn: 32751
2006-12-23 06:05:41 +00:00
f3baad3ee1
Changed llvm_ostream et all to OStream. llvm_cerr, llvm_cout, llvm_null, are
...
now cerr, cout, and NullStream resp.
llvm-svn: 32298
2006-12-07 01:30:32 +00:00
597d451fea
Removed some of the iostream #includes. Moved towards converting to using
...
llvm streams
llvm-svn: 31983
2006-11-28 22:46:12 +00:00
23540b142c
add a method
...
llvm-svn: 31249
2006-10-28 01:24:05 +00:00
f489d0f85c
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.
llvm-svn: 29966
2006-08-29 22:29:16 +00:00
3c9b2420df
Eliminate RegisterAnalysis. RegisterPass now does all that is necessary.
...
llvm-svn: 29921
2006-08-27 22:30:17 +00:00
859a138dc4
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.
llvm-svn: 29645
2006-08-12 05:02:03 +00:00
4d074f795a
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.
llvm-svn: 29464
2006-08-02 00:14:16 +00:00
7e428625c9
Update isLCSSAForm to handle PHI nodes specially for live-out detection. This
...
is the same as the recent patch to LCSSA.cpp.
llvm-svn: 28773
2006-06-13 20:45:22 +00:00
b538f14d2a
Re-commit the safe parts of my 6/9 patch. Still working on fixing the unsafe parts.
...
llvm-svn: 28748
2006-06-11 19:22:28 +00:00
1b6e310e6f
Back out Owen's 6/9 changes. They broke MultiSource/Benchmarks/Prolangs-C/bison (and perhaps others).
...
llvm-svn: 28747
2006-06-11 09:32:57 +00:00
505adff3f0
Make Loop able to verify that it is in LCSSA-form, and have the LCSSA pass assert
...
on this.
llvm-svn: 28738
2006-06-09 18:33:30 +00:00
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
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
94f936d8ef
add an assert
...
llvm-svn: 26178
2006-02-14 20:14:17 +00:00
c020bcf850
Change ET-Forest to automatically recalculate its DFSnum's if too many slow
...
queries are made.
Patch by Daniel Berlin!
llvm-svn: 25323
2006-01-14 20:55:09 +00:00
9db9f8a902
Switch loopinfo to using ETForest instead of DominatorSet to compute itself.
...
Patch by Daniel Berlin!
llvm-svn: 25199
2006-01-11 05:08:29 +00:00
b35df5f5bc
Add a new getLoopLatch() method.
...
llvm-svn: 23315
2005-09-12 17:03:55 +00:00
c0aac8e858
Remove extra blank line
...
llvm-svn: 21706
2005-05-05 23:43:47 +00:00
774511633d
Convert tabs to spaces
...
llvm-svn: 21439
2005-04-22 04:01:18 +00:00
01808caded
Remove trailing whitespace
...
llvm-svn: 21416
2005-04-21 21:13:18 +00:00
9083936835
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
6614946443
Convert code to compile with vc7.1.
...
Patch contributed by Paolo Invernizzi. Thanks Paolo!
llvm-svn: 16368
2004-09-15 17:06:42 +00:00
a5c04ee50f
Fixes to make LLVM compile with vc7.1.
...
Patch contributed by Paolo Invernizzi!
llvm-svn: 16152
2004-09-03 18:19:51 +00:00
7c16caa336
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
eb04d9bcb4
Add #include <iostream> since Value.h does not #include it any more.
...
llvm-svn: 14622
2004-07-04 12:19:56 +00:00
4c7a24af44
Don't grab the condition of unconditional branches!
...
This fixes PR363
llvm-svn: 14076
2004-06-08 21:50:30 +00:00
32447c55fe
Remove code to update loop depths
...
llvm-svn: 13058
2004-04-19 03:02:09 +00:00
26ba2f5fe8
Add new method
...
llvm-svn: 13050
2004-04-18 22:45:27 +00:00
d6ce359d3b
Fix computation of exit blocks
...
llvm-svn: 13047
2004-04-18 22:21:41 +00:00
d72c3eb54e
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.
llvm-svn: 13045
2004-04-18 22:14:10 +00:00
e375a4fdc2
Implement method
...
llvm-svn: 13036
2004-04-18 06:54:48 +00:00
1472c63fb9
Add a new method, add a check missing that caused a segfault if a loop didn't
...
have a canonical indvar
llvm-svn: 13032
2004-04-18 05:38:05 +00:00
d9dc425376
add some helpful methods. Rearrange #includes to proper order
...
llvm-svn: 12960
2004-04-15 15:16:02 +00:00
55b7ef5a81
Add some methods that are useful for updating loop information.
...
llvm-svn: 12871
2004-04-12 20:26:17 +00:00
81804b4cb1
Order #includes alphabetically, per style guide.
...
llvm-svn: 11015
2004-01-30 17:26:24 +00:00
59d2d7fc33
Improve encapsulation in the Loop and LoopInfo classes by eliminating the
...
getSubLoops/getTopLevelLoops methods, replacing them with iterator-based
accessors.
llvm-svn: 10714
2004-01-08 00:09:44 +00:00
960707c335
Put all LLVM code into the llvm namespace, as per bug 109.
...
llvm-svn: 9903
2003-11-11 22:41:34 +00:00
ac4238f7bc
Do not add unreachable code to a natural loop!
...
llvm-svn: 9377
2003-10-22 16:41:21 +00:00
482202a601
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
44d2c3514a
Regularize header file comments
...
llvm-svn: 9071
2003-10-13 03:32:08 +00:00
e43629bad6
Make getNumBackEdges more efficient
...
llvm-svn: 9063
2003-10-12 22:14:27 +00:00
fd46711e1a
Remove explicit use of BasicBlock::succ_iterator
...
llvm-svn: 8706
2003-09-24 22:18:35 +00:00
c01f05f4be
Fix the bug that broke the nightly tester in McCat/18-imp last night. :(
...
llvm-svn: 7925
2003-08-17 21:47:33 +00:00
7a991010d6
Fix bug: LoopPreheaders/2003-08-15-PreheadersFail.ll
...
llvm-svn: 7915
2003-08-16 20:57:16 +00:00
0e416df2b2
Fix bug: Analysis/LoopInfo/2003-05-15-NestingProblem.ll
...
llvm-svn: 6230
2003-05-15 18:03:51 +00:00
d021c2d56b
Fix bug: LoopPreheaders/2003-04-25-AssertFail.ll
...
llvm-svn: 5959
2003-04-26 19:34:18 +00:00
a777f7a7ed
Add dump method for Loops
...
llvm-svn: 5671
2003-02-28 16:54:45 +00:00
72f876223f
Simplify a bit by using a new member function
...
llvm-svn: 5662
2003-02-27 22:48:08 +00:00
72a9854584
Change behavior of changeExitBlock function to replace all instances of exit block
...
llvm-svn: 5661
2003-02-27 22:37:44 +00:00
4f3b1d1808
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.
llvm-svn: 5656
2003-02-27 21:51:38 +00:00
b7b58f65c6
- LoopInfo now calculates and tracks loop exit blocks
...
llvm-svn: 5650
2003-02-27 00:38:34 +00:00
ef6ea65807
Dramatically simplify building of natural loops and fix a bug where the BBMap
...
was not correctly computed.
llvm-svn: 5606
2003-02-22 21:33:11 +00:00
1cbe5116ff
Fix the requisite bug that I introduced
...
llvm-svn: 5605
2003-02-20 00:28:00 +00:00
1dc4c29b6d
Fix 80 character formatting
...
llvm-svn: 5604
2003-02-20 00:18:07 +00:00
0049419836
Fix bug: 2003-02-19-LoopInfoNestingBug.ll
...
llvm-svn: 5603
2003-02-20 00:17:17 +00:00
3845be203d
Added helper functions in LoopInfo: isLoopExit and numBackEdges.
...
llvm-svn: 4112
2002-10-11 05:31:10 +00:00
1931788143
Minor tweak
...
llvm-svn: 3985
2002-09-29 22:59:29 +00:00
467a9e84c4
Fix printing of loop information
...
llvm-svn: 3977
2002-09-29 21:43:04 +00:00
3524f58309
Fix printing of loop information
...
llvm-svn: 3941
2002-09-26 16:15:54 +00:00
08373d1c9c
- Add new methods to LoopInfo: getLoopPreheader, addBasicBlockToLoop.
...
These allow extra information to be easily gathered, and loopinfo to be
updated.
llvm-svn: 3936
2002-09-26 05:32:50 +00:00
e87291ef83
Changed so it gets linked properly
...
llvm-svn: 3508
2002-08-26 16:45:19 +00:00
1a386b6a73
- Do not expose ::ID from any of the analyses anymore.
...
llvm-svn: 3417
2002-08-21 17:09:49 +00:00
40eb9dafed
- Cleaned up the interface to AnalysisUsage to take analysis class names
...
instead of ::ID's.
- Pass::getAnalysis<> now no longer takes an optional argument
llvm-svn: 3264
2002-08-08 19:01:28 +00:00
31aa7e72f2
Declare that these passes only depend on the CFG of the function
...
llvm-svn: 3157
2002-07-30 16:27:52 +00:00
f356bcc824
* Eliminate the Provided set. All Passes now finally just automatically
...
provide themselves.
llvm-svn: 3124
2002-07-29 21:03:33 +00:00
2675007573
* 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
a2c0985980
* 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
113f4f4609
MEGAPATCH checkin.
...
For details, See: docs/2002-06-25-MegaPatchInfo.txt
llvm-svn: 2779
2002-06-25 16:13:24 +00:00
2db70cea7c
*** empty log message ***
...
llvm-svn: 2755
2002-06-03 22:10:52 +00:00
86ed92af6d
Mark analyses that only depend on the CFG of a function
...
llvm-svn: 2507
2002-05-06 19:32:07 +00:00
78dd56fe62
Eliminate the cfg namespace, moving LoopInfo, Dominators, Interval* classes
...
to the global namespace
llvm-svn: 2370
2002-04-28 16:21:30 +00:00
99b6f5cac4
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
c8e665431b
* 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
8c7e050576
Don't leak all of the Loop objects created...
...
llvm-svn: 2196
2002-04-09 05:43:19 +00:00
f739fa8541
s/Method/Function
...
llvm-svn: 2180
2002-04-08 22:03:57 +00:00
83d485b310
* 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
60a6591d83
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
ccf571a408
Convert analyses to new pass structure
...
llvm-svn: 1603
2002-01-31 00:42:27 +00:00
7f74a56e24
Changes to build successfully with GCC 3.02
...
llvm-svn: 1503
2002-01-20 22:54:45 +00:00
5de2204fe8
Create a new #include "Support/..." directory structure to move things
...
from "llvm/Support/..." that are not llvm dependant.
Move files and fix #includes
llvm-svn: 1400
2001-11-27 00:03:19 +00:00
6de9942b92
* Implement dominator based loop identification
...
* Implement cleaner induction variable identification
llvm-svn: 1359
2001-11-26 18:41:20 +00:00
Gabor Greif