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908 Commits

Author SHA1 Message Date
Owen Anderson
1ef14f6e76 VAArgInst does, in fact, read memory. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43633 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-02 04:01:21 +00:00
Owen Anderson
5d32ec4cb0 Some fixes to get MachineDomTree working better. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43541 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-31 03:30:14 +00:00
Dan Gohman
9962054775 Add explicit keywords. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43464 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-29 19:52:04 +00:00
Owen Anderson
08895f8866 Add a first attempt at dominator information for MBB's. Use with caution: this has been tested to compile. It has not yet been confirmed to generate correct analysis. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43438 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-29 04:50:50 +00:00
Owen Anderson
4d6d5783d8 Make it possible for DomTreeBase to be constructed from MachineFunction's as well as just Function's. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43321 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-25 00:16:57 +00:00
Owen Anderson
7feb3be0b7 Make DomTreeBase not a FunctionPass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43263 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-23 21:42:49 +00:00
Owen Anderson
78daec973e Unbreak the build. Forgot to commit this file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43260 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-23 21:04:37 +00:00
Owen Anderson
d20cc14dbf Make DomTree and PostDomTree thin wrappers around DomTreeBase, rather than inheriting from it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43259 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-23 20:58:37 +00:00
Dan Gohman
246b2564d3 Move the SCEV object factors from being static members of the individual 
SCEV subclasses to being non-static member functions of the ScalarEvolution
class.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43224 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-22 18:31:58 +00:00
Owen Anderson
7b714321df Move Split<...>() into DomTreeBase. This should make the #include's of DominatorInternals.h 
in CodeExtractor and LoopSimplify unnecessary.

Hartmut, could you confirm that this fixes the issues you were seeing?


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43115 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-18 05:13:52 +00:00
Hartmut Kaiser
efd4a5144b Updated VC++ build system. 
Silenced some VC warnings.

I'm getting linker errors, though: unresolved externals:

llvm::Split<class llvm::BasicBlock *,struct llvm::GraphTraits<class llvm::BasicBlock *> >(class llvm::DominatorTreeBase<class llvm::BasicBlock> &,class llvm::BasicBlock *)

and

llvm::Split<struct llvm::Inverse<class llvm::BasicBlock *>,struct llvm::GraphTraits<struct llvm::Inverse<class llvm::BasicBlock *> > >(class llvm::DominatorTreeBase<class llvm::BasicBlock> &,class llvm::BasicBlock *)

Where are these defined?

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43073 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-17 14:56:40 +00:00
Owen Anderson
05d2318fbd Move splitBlock into DomTreeBase from DomTree. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43059 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-17 02:03:17 +00:00
Owen Anderson
280f8a2ece Fix some formatting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43049 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-16 22:59:15 +00:00
Owen Anderson
49b653aa6a Template DominatorTreeBase by node type. This is the next major step towards 
having dominator information on MBB's.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43036 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-16 19:59:25 +00:00
Owen Anderson
1aad74c9e8 Begin the process of allowing DomTree on MBB's. Step One: template DomTreeNode by making it a typedef of a templated DomTreeNodeBase. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42743 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-08 07:44:39 +00:00
Owen Anderson
9cb7f49ee9 Completely merge the implementation details of DomTree and PostDomTree. 
Also, add a FIXME for a bug in PostDomTree calculation I noticed while writing this,


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42593 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-03 21:25:45 +00:00
Owen Anderson
471ab54df7 Factor some code from the DomTree and PostDomTree calculate methods up into 
each one's runOnFunction method.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42563 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-03 03:20:17 +00:00
Dan Gohman
21c276d2fa Add empty() member functions to a few container-like classes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42487 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-01 16:01:23 +00:00
Owen Anderson
ab528fe0fb Template-ize more of the DomTree internal implementation details. Only the calculate() methods for DomTree and PostDomTree remain to be merged/template-ized. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42476 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-30 04:17:16 +00:00
Duncan Sands
3c5f0233e0 Add newline at end of file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42470 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-29 16:38:37 +00:00
Owen Anderson
303f47b1dd Have PostDomTree use the newly templated DFSPass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42427 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-28 01:23:47 +00:00
Owen Anderson
58ec8825d4 Convert DFSPass into a templated friend function, in preparation for making it common to DomTree and PostDomTree. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42420 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-27 23:23:00 +00:00
Owen Anderson
68099d58cb Merge significant portions of the DomTree and PostDomTree implementations. 
The two remaining unmerged parts are DFSPass, and the Calculate().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42255 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-24 02:29:29 +00:00
Owen Anderson
04fa569320 Factor the calculation details for PostDomTree out of PostDominators.cpp and 
into a separate header file.

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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42251 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-23 22:21:00 +00:00
Owen Anderson
eefb31094f Move DFSPass back down into DominatorTree. I need to figure out what the difference is between it 
and the PostDomTree version first.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42250 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-23 22:16:38 +00:00
Owen Anderson
d20c824b20 Factor the dominator tree calculation details out into DominatorCalculation.h. This 
change is not useful in and of itself, but it lays the groundwork for combining
the dominator and postdominator implementations.

Also, factor a few methods that are common to DominatorTree and PostDominatorTree
into DominatorTreeBase.  Again, this will make merging the two calculation methods
simpler in the future.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42248 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-23 21:31:44 +00:00
Owen Anderson
742f9b6682 Add a flag to mark a dirty cache entry. This is not yet used, but will eventually 
help non-local memdep caching.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42137 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-19 16:13:57 +00:00
Devang Patel
7c6c55db4d No need to hardcode SmallVector size. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41228 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-21 16:39:43 +00:00
Devang Patel
b7211a2ce1 Use SmallVector instead of std::vector. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41207 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-21 00:31:24 +00:00
Anton Korobeynikov
96fea337d2 - Use correct header for SCEV inside LoopPass.cpp 
- Move SCEVExpander::expand() out-of-line workarounding possible toolchain bug


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41197 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-20 21:17:26 +00:00
Nick Lewycky
ab3c9b1f95 Simplify. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41167 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-18 14:46:55 +00:00
Devang Patel
96bf524b53 When one branch of condition is eliminated then head of the other 
branch is not necessary immediate dominators of merge blcok in all cases.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41144 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-17 21:59:16 +00:00
Owen Anderson
4d13de4e3b Cache non-local memory dependence analysis. This is a significant compile 
time performance win in most cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41126 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-16 21:27:05 +00:00
Devang Patel
4d29ddfa06 No need to use iterator to erase basic block. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41074 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-14 16:53:24 +00:00
Devang Patel
441c5ee6cf Add methods to erase basic block entry. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41052 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-13 22:10:29 +00:00
Reid Spencer
276222a5ae Change casts from old style to new style. This helps document the details 
better, gives the compiler a chance to validate the cast and reduces warnings
if the user turns on -Wold-style-cast option.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41033 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-12 08:12:35 +00:00
Owen Anderson
9528f11481 Make NonLocal and None const in the right way. :-) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40961 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-09 04:42:44 +00:00
Owen Anderson
49609a5ddf Add one more comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40949 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-08 21:54:33 +00:00
Owen Anderson
179463c0d4 Cleanup and comment-ize the memdep header. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40948 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-08 21:53:20 +00:00
Owen Anderson
8cad423d94 Change the None and NonLocal markers in memdep to be const. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40946 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-08 21:39:39 +00:00
Chris Lattner
3e089ae0b8 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40920 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-08 05:51:24 +00:00
Owen Anderson
371d68958f Get rid of unnecessary #include. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40885 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-07 00:38:16 +00:00
Owen Anderson
dbbe816757 Clean up a bunch of caching stuff in memdep. This reduces the time to run GVN 
on 403.gcc from ~15s to ~10s.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40884 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-07 00:33:45 +00:00
Chris Lattner
c385ae6ff5 Various random cleanups, add two accessors to DomTreeNode: getDFSNumIn/getDFSNumOut 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40856 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-06 06:15:43 +00:00
Chris Lattner
e93e311981 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40827 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-05 00:02:00 +00:00
Chris Lattner
0a5f83c22c 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%.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40826 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-04 23:48:07 +00:00
Owen Anderson
9066020993 Make non-local memdep not be recursive, and fix a bug on 403.gcc that this exposed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40692 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 22:01:54 +00:00
Dan Gohman
c2bbfc18e9 More explicit keywords. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40673 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 15:32:29 +00:00
David Greene
df464195fe Fix GLIBCXX_DEBUG error owing to dereference of end iterator. There's 
no guarantee that an instruction returned by getDependency exists in
the maps.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40647 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-31 20:01:27 +00:00
Devang Patel
c7e49c08c2 Introduce Simple Analysis interface for loop passes. 
Right now, this interface provides hooks for only to operations, 1) clone basic block 2) delete value.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40625 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-31 08:00:57 +00:00
Owen Anderson
02d6852a1c Forgot to include this file in my last commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40496 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-25 21:30:15 +00:00
Owen Anderson
0cd320362e Add basic support for performing whole-function RLE. 
Note: This has not yet been thoroughly tested.  Use at your own risk.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40489 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-25 19:57:03 +00:00
Owen Anderson
4beedbd006 Add initial support for non-local memory dependence analysis. 
NOTE: This has only been cursorily tested.  Expected improvements soon.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40476 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-24 21:52:37 +00:00
Devang Patel
58e0ef1e90 Verify loop info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40062 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-19 18:02:32 +00:00
Owen Anderson
faac518ce0 Add support for walking up memory def chains, which enables finding many more 
dead stores on 400.perlbench.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@39929 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-16 21:52:50 +00:00
Nick Lewycky
eefdebe002 Handle decrementing loops properly. Fixes PR1533. 
Always pass the constant as the second parameter to HowManyLessThans.

Remove obsolete "isSigned" parameter.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@39893 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-16 02:08:00 +00:00
Owen Anderson
5f32320797 Add support for finding the dependencies of call and invoke instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@38497 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-10 17:59:22 +00:00
Owen Anderson
6b278fc786 Fix a bunch of things from Chris' feedback 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@38493 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-10 17:08:11 +00:00
Dan Gohman
9a6ae965d6 Move the APInt form of SCEVUnknown::getIntegerSCEV to SCEVConstant::get, and 
use SCEVConstant::get instead of SCEVUnknown::get when constructing a SCEV
for a ConstantInt.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@38457 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-09 15:25:17 +00:00
Owen Anderson
78e02f78ce A first stab at memory dependence analysis. This is an interface on top of 
alias analysis, adding caching and lazy computation of queries.  This will
be used in planned improvements to memory access optimizations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37958 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-06 23:14:35 +00:00
Gabor Greif
a99be51bf5 Here is the bulk of the sanitizing. 
Almost all occurrences of "bytecode" in the sources have been eliminated.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37913 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-05 17:07:56 +00:00
Devang Patel
bef204db6f Remove unused method - getIDomBlock(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37865 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-04 01:11:19 +00:00
Devang Patel
dc42bc3baf Fix typo in assertion check. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37864 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-04 01:05:22 +00:00
Dan Gohman
a6900c7ad9 Add explicit keywords. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37839 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-02 14:53:37 +00:00
Devang Patel
1a957d563f Add loop info verification mechanism. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37822 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-29 23:13:42 +00:00
Devang Patel
ef6ba18a4c Remove unnecessary comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37774 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-28 02:11:54 +00:00
Devang Patel
dc3a207e78 Handle the case when block dominates itself. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37773 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-28 02:07:08 +00:00
Devang Patel
1ceda1d63e Remove ETForest. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37765 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-27 20:53:52 +00:00
Devang Patel
0e7f728ad1 Move code to update dominator information after basic block is split 
from LoopSimplify.cpp to Dominator.cpp


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37689 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-21 17:23:45 +00:00
Dan Gohman
5cec4db6ae Rename ScalarEvolution::deleteInstructionFromRecords to 
deleteValueFromRecords and loosen the types to all it to accept
Value* instead of just Instruction*, since this is what
ScalarEvolution uses internally anyway. This allows more flexibility
for future uses.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37657 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-19 14:28:31 +00:00
Dan Gohman
d19534add9 Add a SCEV class and supporting code for sign-extend expressions. 
This created an ambiguity for expandInTy to decide when to use
sign-extension or zero-extension, but it turns out that most of its callers
don't actually need a type conversion, now that LLVM types don't have
explicit signedness. Drop expandInTy in favor of plain expand, and change
the few places that actually need a type conversion to do it themselves.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37591 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-15 14:38:12 +00:00
Devang Patel
6857e366f5 Protect updateDFSNumbers() 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37560 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-12 17:30:56 +00:00
Devang Patel
9c7ee6b19f Make DFS number manipulation methods private. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37553 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-12 05:49:31 +00:00
Devang Patel
4d42dea253 Break DominatorTree from ETNode. 
Remove unused PostETForest.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37551 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-12 00:54:38 +00:00
Devang Patel
3726b82a55 Maintain DFS number in DomTreeNode itself. 
This means now ETNodes are not useful anymore.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37546 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-12 00:14:41 +00:00
Devang Patel
fe7d4e50b8 Add and use DominatorTreeBase::findNearestCommonDominator(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37545 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-11 23:31:22 +00:00
Devang Patel
b5ef06c509 Fix spelling. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37522 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-08 17:59:02 +00:00
Devang Patel
dba2413b2e Update LoopSimplify to require and preserve DominatorTree only. 
Now LoopSimplify does not require nor preserve ETForest.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37512 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-08 01:50:32 +00:00
Devang Patel
0ab301c5fa Add new method - nearestCommonDominator(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37508 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-08 00:21:17 +00:00
Devang Patel
53c279b194 Use DominatorTree instead of ETForest. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37507 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-08 00:17:13 +00:00
Devang Patel
e029b2c369 Add instruction level dominates(A,B) interface. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37504 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-07 23:52:40 +00:00
Devang Patel
4b90e3a276 Do not use ETForest as well as DomiantorTree. DominatorTree is sufficient. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37501 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-07 22:17:16 +00:00
Devang Patel
f11cc5c298 Add basic block level properlyDominates(A,B) interface. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37497 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-07 21:34:22 +00:00
Devang Patel
259e6cf191 Add BasicBlock level dominates(A,B) interface. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37493 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-07 18:39:40 +00:00
Devang Patel
9a51157db5 Maintain ETNode as part of DomTreeNode. 
This adds redundancy for now.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37492 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-07 17:47:21 +00:00
Chris Lattner
76ea084489 add accessor 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37453 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-06 01:22:09 +00:00
Devang Patel
4cd950f61b Break friendship. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37450 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-06 00:59:48 +00:00
Devang Patel
f082a9ae6b Simplify class hierarchy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37447 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-06 00:46:36 +00:00
Devang Patel
170f2b9bef s/ETNode::getChildren/ETNode::getETNodeChildren/g 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37426 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-04 23:45:02 +00:00
Devang Patel
055756bf52 Add FIXMEs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37417 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-04 17:38:00 +00:00
Devang Patel
bbf8c8e71f Remove unused method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37416 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-04 16:49:36 +00:00
Devang Patel
83beaee227 s/DominatorTree::createNewNode/DominatorTree::addNewBlock/g 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37415 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-04 16:43:25 +00:00
Devang Patel
26a6908768 Add basic block level interface to change immediate dominator 
and create new node.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37414 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-04 16:22:33 +00:00
Devang Patel
26042420d6 s/llvm::DominatorTreeBase::DomTreeNode/llvm::DomTreeNode/g 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37407 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-04 00:32:22 +00:00
Devang Patel
bec7647f98 s/DominatorTreeBase::Node/DominatorTreeBase:DomTreeNode/g 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37403 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-03 06:26:14 +00:00
Devang Patel
79b48b8bc0 Add dump() routines for debugging assistance. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37314 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-23 19:55:36 +00:00
Chris Lattner
d82dc66944 update comments 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37027 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-14 01:54:16 +00:00
Nick Lewycky
ecd94c804a Fix typo in comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36873 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-06 13:37:16 +00:00
Devang Patel
99c282453a Use iterative while loop instead of recursive function call. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36694 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-03 20:55:18 +00:00
Dan Gohman
4998264403 Use the explicit keyword for the SCEV class' constructor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36686 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-03 18:45:06 +00:00
Devang Patel
1997473cf7 Drop 'const' 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36662 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-03 01:11:54 +00:00
Devang Patel
3e15bf33e0 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36652 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-02 21:39:20 +00:00
Devang Patel
794fd75c67 Do not use typeinfo to identify pass in pass manager. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36632 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-01 21:15:47 +00:00
Owen Anderson
95b745a52e Fix some null checks to actually test the part that needs checking. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36298 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-21 07:04:45 +00:00
Owen Anderson
13e3a292c5 Add null checks and const-ify these accessors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36270 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-20 05:44:16 +00:00
Owen Anderson
9e7919785e Add accessor to get the blocks immediately dominated by a given block to ETForest. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36251 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-18 05:25:09 +00:00
Owen Anderson
1c2b862be0 Add an accessor to make ETForest more useful. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36246 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-18 04:38:39 +00:00
Chris Lattner
2f15254d77 what's an & between friends? 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36234 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-18 00:43:05 +00:00
Devang Patel
8f93b7fc36 Add getPotentialPassManagerType(). No functionality change, yet. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36149 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-16 18:51:25 +00:00
Anton Korobeynikov
bed2946a96 Removed tabs everywhere except autogenerated & external files. Add make 
target for tabs checking.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36146 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-16 18:10:23 +00:00
Owen Anderson
e934fefd6b Tabs -> Spaces 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36094 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-15 23:14:18 +00:00
Owen Anderson
3dc6776b33 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36063 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-15 08:47:27 +00:00
Owen Anderson
690c684fc6 Make ETForest depend on DomTree rather than IDom. This is the first step 
in the long process that will be fixing PR 217.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36034 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-14 23:49:24 +00:00
Chris Lattner
7fec90ebf4 CSE simple binary expressions when they are inserted. This makes LSR produce 
less huge code that needs to be cleaned up by sdisel.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35959 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-13 05:04:18 +00:00
Owen Anderson
8ea325730c Move isReachableFromEntry out of line to avoid an unnecessary #include 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35797 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-09 04:07:36 +00:00
Owen Anderson
558fc740da Cleanup some from my DomSet-removal changes. Add a new 
isReachableFromEntry
test to ETForest to factor a common test out of code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35786 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-09 00:52:49 +00:00
Owen Anderson
cd4abb7e6d Remove DomSet completely. This concludes work on PR1171. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35775 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-08 21:30:05 +00:00
Owen Anderson
e9ed4452bc 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35741 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-07 18:23:27 +00:00
Owen Anderson
ba43963e96 Completely purge DomSet. This is the (hopefully) final patch for PR1171. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35731 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-07 07:17:27 +00:00
Devang Patel
58efcd3bcd LoopSimplify::FindPHIToPartitionLoops() 
Use ETForest instead of DominatorSet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35222 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-20 20:19:48 +00:00
Devang Patel
c37177eb72 Use schedulePass() instead of assignPassManager() to add new LPPassManager. 
This ensures that require analysis info is available.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34980 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-06 19:11:25 +00:00
Devang Patel
a885c06bdf Add LPPassManager::insertLoop(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34979 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-06 19:00:02 +00:00
Devang Patel
7a9a0695f2 LPPassManager::deleteLoopFromQueue() add meat. Cut-n-paste code from 
LoopUnswitch pass.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34977 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-06 18:38:33 +00:00
Devang Patel
22033be445 LPPassManager. Implement preparePassManager() hook. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34975 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-06 17:59:37 +00:00
Devang Patel
a5057d02c0 LPPassManager : Add initialization and finalizatino hooks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34968 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-06 16:59:03 +00:00
Devang Patel
30159729ad Use std::deque to manage loop queue inside LPPassManager. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34943 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-06 02:30:46 +00:00
Jeff Cohen
ca5183d445 Unbreak VC++ build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34917 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-05 00:00:42 +00:00
Reid Spencer
35fa43907e Make it possible to create an SCEVUnknown from an APInt as well as an int. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34816 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-01 22:28:51 +00:00
Reid Spencer
581b0d453a For PR1205: 
Remove ConstantInt from ConstantRange interface and adjust its users to
compensate.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34758 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 19:57:34 +00:00
Devang Patel
84da80d10b Make getPassManagerType() const. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34669 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 15:00:39 +00:00
Devang Patel
4b2646326b Loop passes are set up to accept pointer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34527 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-23 17:53:17 +00:00
Devang Patel
bfd5905584 Teach LoopPass to assign itself one Loop Pass Manager. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34510 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-23 00:36:57 +00:00
Devang Patel
8ded5852fe Add facility that allows LoopPass to re-insert a loop into 
Loop Pass Manager's queue.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34509 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-23 00:16:44 +00:00
Devang Patel
5afdc7d785 Add LPPassManager interface that LoopPass can use to skip 
rest of the passes in the queue for a loop.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34508 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-23 00:10:16 +00:00
Devang Patel
d0e6e33043 Add LoopQueue. This is used by loop pass manager to manage loop nest. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34504 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-22 23:30:07 +00:00
Devang Patel
16a31c4ebf Add Loop Pass Manager. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34487 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-22 08:56:17 +00:00
Devang Patel
07d49acbf9 Simplify 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34469 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-21 19:57:33 +00:00
Devang Patel
ffee0d4dfe Fix memory leak (PR 775). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34462 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-21 02:36:31 +00:00
Chris Lattner
36f78c8935 add #include 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34190 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-12 05:00:35 +00:00
Chris Lattner
c3ce689374 Make this a *real* header: 
1. Remove using namespace llvm;
  2. Remove unneeded #includes.
  3. Add #include guard.

Also add prototypes for new code moved from transformutils to libanalysis.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33682 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-30 23:47:35 +00:00
Chris Lattner
73259caa44 Change constant folding APIs to take an optional TargetData, and change 
ConstantFoldInstOperands/ConstantFoldCall to take a pointer to an array
of operands + size, instead of an std::vector.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33669 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-30 23:12:47 +00:00
Reid Spencer
24d6da5fed For PR970: 
Clean up handling of isFloatingPoint() and dealing with PackedType.
Patch by Gordon Henriksen!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33415 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-21 00:29:26 +00:00
Chris Lattner
42a7551725 rename Type::isIntegral to Type::isInteger, eliminating the old Type::isInteger. 
rename Type::getIntegralTypeMask to Type::getIntegerTypeMask.

This makes naming much more consistent.  For example, there are now no longer any
instances of IntegerType that are not considered isInteger! :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33225 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-15 02:27:26 +00:00
Chris Lattner
b2f3e703bc Update code to eliminate calls to isInteger, calling isIntegral instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33220 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-15 01:58:56 +00:00
Reid Spencer
e4d87aa2de 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32751 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-23 06:05:41 +00:00
Bill Wendling
5c7e326585 Added an automatic cast to "std::ostream*" etc. from OStream. We then can 
rework the hacks that had us passing OStream in. We pass in std::ostream*
instead, check for null, and then dispatch to the correct print() method.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32636 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-17 05:15:13 +00:00
John Criswell
f92b25ed4a Remove DSA. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32553 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-13 19:56:15 +00:00
Reid Spencer
3ba68b9eef Change the interface to SCEVExpander::InsertCastOfTo to take a cast opcode 
so the decision of which opcode to use is pushed upward to the caller.
Adjust the callers to pass the expected opcode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32535 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-13 08:06:42 +00:00
Bill Wendling
e81561909d Changed llvm_ostream et all to OStream. llvm_cerr, llvm_cout, llvm_null, are 
now cerr, cout, and NullStream resp.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32298 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-07 01:30:32 +00:00
Reid Spencer
8955e3b755 Unclutter this by using new cast creation functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32192 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-04 20:18:26 +00:00