Daniel Berlin
3625ac77e4
Rewrite of andersen's to be about 100x faster, cleaner, and begin to support field sensitivity
...
llvm-svn: 42016
2007-09-16 21:45:02 +00:00
Dan Gohman
5f29ab68e1
Change "tmp." to "tmp" for temporaries created by ScalarEvolutionExpander
...
for consistency with many other transforms.
llvm-svn: 41957
2007-09-14 20:11:40 +00:00
Owen Anderson
3a7df6cf67
Fix a typo in memdep, which was causing PR1648.
...
llvm-svn: 41833
2007-09-11 04:31:00 +00:00
Owen Anderson
ab8a978ed7
Remove an un-needed dependence query. This improves compile time marginally on 401.bzip2.
...
llvm-svn: 41792
2007-09-09 21:43:49 +00:00
Owen Anderson
4b71e55287
Add lengthof and endof templates that hide a lot of sizeof computations.
...
Patch by Sterling Stein!
llvm-svn: 41758
2007-09-07 04:06:50 +00:00
Dale Johannesen
86f367a6b7
Next round of APFloat changes.
...
Use APFloat in UpgradeParser and AsmParser.
Change all references to ConstantFP to use the
APFloat interface rather than double. Remove
the ConstantFP double interfaces.
Use APFloat functions for constant folding arithmetic
and comparisons.
(There are still way too many places APFloat is
just a wrapper around host float/double, but we're
getting there.)
llvm-svn: 41747
2007-09-06 18:13:44 +00:00
Evan Cheng
804e104123
Missing break. Patch by Wojciech Matyjewicz.
...
llvm-svn: 41727
2007-09-05 21:36:14 +00:00
Devang Patel
b86f1fdb3f
Use SmallVector.
...
llvm-svn: 41230
2007-08-21 16:54:51 +00:00
Devang Patel
e92ff0baef
No need to hardcode SmallVector size.
...
llvm-svn: 41228
2007-08-21 16:39:43 +00:00
Devang Patel
f06e667e9c
Use SmallVector instead of std::vector.
...
llvm-svn: 41207
2007-08-21 00:31:24 +00:00
Anton Korobeynikov
4e15adaf04
- Use correct header for SCEV inside LoopPass.cpp
...
- Move SCEVExpander::expand() out-of-line workarounding possible toolchain bug
llvm-svn: 41197
2007-08-20 21:17:26 +00:00
Owen Anderson
03cbda804e
Cache non-local memory dependence analysis. This is a significant compile
...
time performance win in most cases.
llvm-svn: 41126
2007-08-16 21:27:05 +00:00
Chris Lattner
afb3c33c2a
constant fold ptrtoint(inttoptr) with target data when available. This allows
...
us to fold the entry block of PR1602 to false instead of:
br i1 icmp eq (i32 and (i32 ptrtoint (void (%struct.S*)* inttoptr (i64
1 to void (%struct.S*)*) to i32), i32 1), i32 0), label %cond_next, label
%cond_true
llvm-svn: 41023
2007-08-11 23:49:01 +00:00
Devang Patel
fa7277dd34
Do not overuse std::string. Pass around char * directly.
...
llvm-svn: 41001
2007-08-10 18:29:32 +00:00
Owen Anderson
3eba1e8f5c
Make NonLocal and None const in the right way. :-)
...
llvm-svn: 40961
2007-08-09 04:42:44 +00:00
Owen Anderson
3db807751b
Add more comments to memdep.
...
llvm-svn: 40953
2007-08-08 22:26:03 +00:00
Owen Anderson
d791c9f667
Make memdep fit in 80 cols.
...
llvm-svn: 40950
2007-08-08 22:01:54 +00:00
Owen Anderson
f988c3ee5c
Change the None and NonLocal markers in memdep to be const.
...
llvm-svn: 40946
2007-08-08 21:39:39 +00:00
Chris Lattner
3e94308eb7
Handle functions with no name better.
...
llvm-svn: 40926
2007-08-08 16:07:23 +00:00
Chris Lattner
606d5bced1
significantly speed up constant folding of calls (and thus all clients that use
...
ConstantFoldInstruction on calls) by avoiding Value::getName(). getName() constructs
and returns an std::string, which does heap allocation stuff. This slightly speeds up
instcombine.
llvm-svn: 40924
2007-08-08 06:55:43 +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
Owen Anderson
22d94da65b
Clean up a bunch of caching stuff in memdep. This reduces the time to run GVN
...
on 403.gcc from ~15s to ~10s.
llvm-svn: 40884
2007-08-07 00:33:45 +00:00
Owen Anderson
da58c95cd3
Improve the accuracy of memdep for determining the dependencies of loads.
...
This brings GVN to parity with GCSE+LoadVN.
llvm-svn: 40882
2007-08-06 23:26:03 +00:00
Chandler Carruth
67d3119773
This resolves a regression of BasicAA which failed to find any memory information for overloaded intrinsics (PR1600). This resolves that issue, and improves the matching scheme to use a BitVector rather than a binary search.
...
llvm-svn: 40872
2007-08-06 20:57:16 +00:00
Nick Lewycky
04447caa7b
Let scalar-evolution analyze loops with an unsigned comparison for the exit
...
condition. Fixes 1597.
llvm-svn: 40867
2007-08-06 19:21:00 +00:00
Nick Lewycky
071a2c6a5e
Don't assume it's safe to transform a loop just because it's dominated by any
...
comparison. Fixes bug 1598.
llvm-svn: 40866
2007-08-06 18:33:46 +00:00
Chris Lattner
428a773f45
Upgrade BasicAliasAnalysis::getModRefBehavior to not call Value::getName,
...
which dynamically allocates the string result. This speeds up dse on the
testcase from PR1432 from 0.3781s to 0.1804s (2.1x).
llvm-svn: 40838
2007-08-05 07:50:06 +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
Chandler Carruth
00e56b0e81
This is the patch to provide clean intrinsic function overloading support in LLVM. It cleans up the intrinsic definitions and generally smooths the process for more complicated intrinsic writing. It will be used by the upcoming atomic intrinsics as well as vector and float intrinsics in the future.
...
This also changes the syntax for llvm.bswap, llvm.part.set, llvm.part.select, and llvm.ct* intrinsics. They are automatically upgraded by both the LLVM ASM reader and the bitcode reader. The test cases have been updated, with special tests added to ensure the automatic upgrading is supported.
llvm-svn: 40807
2007-08-04 01:51:18 +00:00
Owen Anderson
d617e4c963
Fix a bug that was causing several miscompilations on SPEC.
...
llvm-svn: 40746
2007-08-02 17:56:05 +00:00
Christopher Lamb
f27d856acd
Implement review feedback.
...
llvm-svn: 40745
2007-08-02 17:52:00 +00:00
Christopher Lamb
9a2a58c818
Teach BasicAA about noalias parameter attributes, but do it correctly this time.
...
llvm-svn: 40711
2007-08-02 01:18:14 +00:00
Owen Anderson
7028dfaf9d
Make non-local memdep not be recursive, and fix a bug on 403.gcc that this exposed.
...
llvm-svn: 40692
2007-08-01 22:01:54 +00:00
Dan Gohman
7dd04fb91c
More explicit keywords.
...
llvm-svn: 40673
2007-08-01 15:32:29 +00:00
David Greene
4251f42689
Fix GLIBCXX_DEBUG error owing to dereference of end iterator. There's
...
no guarantee that an instruction returned by getDependency exists in
the maps.
llvm-svn: 40647
2007-07-31 20:01:27 +00:00
Christopher Lamb
5487dd14b4
Revert overly aggressive interpretation of noalias
...
llvm-svn: 40635
2007-07-31 16:18:07 +00:00
Devang Patel
6dd3a5f747
Introduce Simple Analysis interface for loop passes.
...
Right now, this interface provides hooks for only to operations, 1) clone basic block 2) delete value.
llvm-svn: 40625
2007-07-31 08:00:57 +00:00
Christopher Lamb
907892e47a
Teach BasicAA about noalias function parameters. Passes all of DejaGNU and test-suite.
...
llvm-svn: 40624
2007-07-31 07:04:51 +00:00
Owen Anderson
fff534d147
Use more caching when computing non-local dependence. This makes bzip2 not
...
use up the entire 32-bit address space.
llvm-svn: 40596
2007-07-30 17:29:24 +00:00
Owen Anderson
ed3e63a203
Fix a bug introduced in my last commit.
...
llvm-svn: 40542
2007-07-26 18:57:04 +00:00
Owen Anderson
f2b10d3de3
Fix a couple more bugs in the phi construction by pulling in code that does
...
almost the same things from LCSSA.
llvm-svn: 40540
2007-07-26 18:26:51 +00:00
Owen Anderson
b215074820
Fix a bug in non-local memdep that was causing an infinite loop on 175.vpr.
...
llvm-svn: 40495
2007-07-25 21:26:36 +00:00
Owen Anderson
6a1a8d05b8
Add basic support for performing whole-function RLE.
...
Note: This has not yet been thoroughly tested. Use at your own risk.
llvm-svn: 40489
2007-07-25 19:57:03 +00:00
Owen Anderson
b9ad251288
Add initial support for non-local memory dependence analysis.
...
NOTE: This has only been cursorily tested. Expected improvements soon.
llvm-svn: 40476
2007-07-24 21:52:37 +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
Owen Anderson
3a92d35e62
When removing instructions from the analysis, be sure to check the confirmed
...
flag when determining what to do with dependencies.
llvm-svn: 40079
2007-07-20 06:16:07 +00:00
Devang Patel
45675e56ad
Verify loop info.
...
llvm-svn: 40062
2007-07-19 18:02:32 +00:00
Duncan Sands
8c6657894f
Replace mysterious code causing a g++-4.2 warning
...
with hopefully correct code that pleases g++-4.2.
llvm-svn: 40051
2007-07-19 09:42:01 +00:00
Owen Anderson
efc00e35cf
Add support for walking up memory def chains, which enables finding many more
...
dead stores on 400.perlbench.
llvm-svn: 39929
2007-07-16 21:52:50 +00:00
Dan Gohman
ef7c87f4d8
Use ConstantFoldFP for folding all unary floating-point operations which may
...
have an error, and refector out the code for binary operators into
ConstantFoldBinaryFP and use it for all binary floating-point operations
which may have an error. These functions still rely exclusively on errno
to detect errors though.
llvm-svn: 39923
2007-07-16 15:26:22 +00:00
Dan Gohman
0ba554c0c8
Fix comments about vectors to use the current wording.
...
llvm-svn: 39921
2007-07-16 14:29:03 +00:00
Nick Lewycky
43e5fd5be7
Handle decrementing loops properly. Fixes PR1533.
...
Always pass the constant as the second parameter to HowManyLessThans.
Remove obsolete "isSigned" parameter.
llvm-svn: 39893
2007-07-16 02:08:00 +00:00
Owen Anderson
b6211f5b50
Let MemoryDependenceAnalysis take care of updating AliasAnalysis.
...
llvm-svn: 39769
2007-07-12 00:06:21 +00:00
Owen Anderson
bb0f7c00ab
Calculate the size of a array allocation correctly.
...
llvm-svn: 38511
2007-07-10 20:48:38 +00:00
Owen Anderson
04b3497eb7
Fix a crasher when finding the dependency of a call.
...
llvm-svn: 38510
2007-07-10 20:39:07 +00:00
Owen Anderson
b11a2f3a32
Make this pass registration static as well.
...
llvm-svn: 38509
2007-07-10 20:21:08 +00:00
Owen Anderson
6c92149ce5
Handle vaarg instructions correctly.
...
llvm-svn: 38504
2007-07-10 18:43:15 +00:00
Owen Anderson
f4bea94dbd
Volatile loads and stores depend on each other.
...
llvm-svn: 38502
2007-07-10 18:11:42 +00:00
Owen Anderson
1f5fb875b6
Add support for finding the dependencies of call and invoke instructions.
...
llvm-svn: 38497
2007-07-10 17:59:22 +00:00
Owen Anderson
1bd416b823
Fix the build, and fix the handling of pointer sizes.
...
llvm-svn: 38494
2007-07-10 17:25:03 +00:00
Owen Anderson
1fabbda503
Fix a bunch of things from Chris' feedback
...
llvm-svn: 38493
2007-07-10 17:08:11 +00:00
Dan Gohman
4e45063081
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.
llvm-svn: 38457
2007-07-09 15:25:17 +00:00
Owen Anderson
23d5d3add4
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.
llvm-svn: 37958
2007-07-06 23:14:35 +00:00
Dan Gohman
048c6f805b
Add explicit keywords.
...
llvm-svn: 37839
2007-07-02 14:53:37 +00:00
Devang Patel
593a23252d
Add loop info verification mechanism.
...
llvm-svn: 37822
2007-06-29 23:13:42 +00:00
Devang Patel
0b2cb3ec61
CallGraphSCCPass manager may require other passes.
...
Use schedulePass() to accomodate these requirement instead of directly
assigning a manager to new CallGraph PassManager.
llvm-svn: 37695
2007-06-21 22:29:02 +00:00
Dan Gohman
bb705e230a
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.
llvm-svn: 37657
2007-06-19 14:28:31 +00:00
Dan Gohman
5db3ad4b32
In SCEVAddExpr::get, skip over any cast operands before looking for nested
...
add operands after constant operands. The recent change to recognize
sign-extend expressions caused this to be exposed more often.
llvm-svn: 37628
2007-06-18 19:30:09 +00:00
Anton Korobeynikov
76361958e8
Make BasicAliasAnalysis correctly register itself. Patch by Devang
...
llvm-svn: 37627
2007-06-18 17:13:29 +00:00
Dan Gohman
1c73ccb4d3
Fold a binary operator with constant operands when expanding code for a SCEV.
...
llvm-svn: 37602
2007-06-15 19:21:55 +00:00
Dan Gohman
838ba27094
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.
llvm-svn: 37591
2007-06-15 14:38:12 +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
d544f5262e
Use DominatorTree instead of ETForest.
...
llvm-svn: 37507
2007-06-08 00:17:13 +00:00
Devang Patel
67ede3d635
Use DominatorTree instead of ETForest.
...
llvm-svn: 37505
2007-06-07 23:53:38 +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
Nick Lewycky
2897eb89d0
Optimize this test. Firstly, only Instructions may use other Instructions.
...
Secondly, checking whether removal succeeded tells you whether it was in
the map to begin with.
llvm-svn: 37469
2007-06-06 11:26:20 +00:00
Nick Lewycky
c667323382
Fix PR1487 and Transforms/IndVar/2007-06-06-DeleteDanglesPtr.ll
...
llvm-svn: 37459
2007-06-06 04:12:20 +00:00
Devang Patel
606fb412b0
Fix PR 1497
...
Use separate pass id for CFGOnlyPrinter.
llvm-svn: 37439
2007-06-05 20:24:36 +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
Chris Lattner
d339f51afd
when merging two alias sets together, be sure to propagate the volatility of
...
the inner set. This fixes PR1435 and Transforms/LICM/2007-05-22-VolatileSink.ll
llvm-svn: 37305
2007-05-23 06:36:35 +00:00
Dan Gohman
f704d8f166
Add passes -view-cfg and -view-cfg-only that are like -print-cfg and
...
-print-cfg-only except they use the ViewCFG function, which displays the
CFG rendered with graphviz with gv.
llvm-svn: 37033
2007-05-14 14:25:08 +00:00
Nick Lewycky
c2306ff5b4
Fix typo in comment.
...
llvm-svn: 36873
2007-05-06 13:37:16 +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
Lauro Ramos Venancio
57d03e112b
Fix build error.
...
llvm-svn: 36648
2007-05-02 20:37:47 +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
Zhou Sheng
9339daf407
Make use of ConstantInt::isZero instead of ConstantInt::isNullValue.
...
llvm-svn: 36261
2007-04-19 05:39:12 +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
Chris Lattner
af290edea7
Be more careful when inserting reused instructions. This fixes CodeGen/Generic/2007-04-17-lsr-crash.ll
...
llvm-svn: 36231
2007-04-17 23:43:50 +00:00
Chris Lattner
e4323f863a
Remove use of Instruction::getNext
...
llvm-svn: 36201
2007-04-17 17:52:45 +00:00
Anton Korobeynikov
f3e62a428a
Removed tabs everywhere except autogenerated & external files. Add make
...
target for tabs checking.
llvm-svn: 36146
2007-04-16 18:10:23 +00:00
Reid Spencer
85f055a567
Revert last patch. It was already fixed.
...
llvm-svn: 36102
2007-04-16 02:24:41 +00:00
Reid Spencer
e411fd1f10
For PR1336:
...
Fix a div-by-zero bug noticed by APInt. This fixes:
test/Transforms/IndVarsSimplify/exit_value_tests.llx
llvm-svn: 36099
2007-04-16 01:48:37 +00:00
Owen Anderson
b371956400
Tabs -> Spaces
...
llvm-svn: 36094
2007-04-15 23:14:18 +00:00
Chris Lattner
c2762b5d83
Fix a nasty bug introduced when apint'ified. This fixes
...
Transforms/IndVarsSimplify/exit_value_tests.llx
llvm-svn: 36081
2007-04-15 19:52:49 +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
Chris Lattner
335f1cb1f8
CSE simple binary expressions when they are inserted. This makes LSR produce
...
less huge code that needs to be cleaned up by sdisel.
llvm-svn: 35959
2007-04-13 05:04:18 +00:00
Zhou Sheng
c2cfa6111d
Eliminate unnecessary APInt construction.
...
llvm-svn: 35740
2007-04-07 17:48:27 +00:00
Zhou Sheng
7bcd47dbc1
Make APInt variables do the computation stuffs instead of
...
ConstantExpr::getXX if possible.
llvm-svn: 35738
2007-04-07 17:40:57 +00:00
Zhou Sheng
21dfc2107a
Eliminate unnecessary zext/trunc stuffs.
...
llvm-svn: 35737
2007-04-07 17:12:38 +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
Owen Anderson
5403a248af
Expunge DomSet from LoadValueNumbering. This is part of the continuing
...
work on PR1171.
llvm-svn: 35723
2007-04-07 04:43:07 +00:00
Chris Lattner
6668db1331
Treat xor of signbit like an add.
...
llvm-svn: 35586
2007-04-02 05:41:38 +00:00
Reid Spencer
34b5a64f15
The bit counting intrinsics return i32 not the operand type. This fixes
...
last night's regression in SingleSource/UnitTests/2005-05-11-Popcount-ffs-fls
llvm-svn: 35556
2007-04-01 18:42:20 +00:00
Reid Spencer
88fb617695
For PR1297:
...
Support overloaded intrinsics bswap, ctpop, cttz, ctlz.
llvm-svn: 35547
2007-04-01 07:35:23 +00:00
Dan Gohman
d0a0ea9916
Change uses of Function::front to Function::getEntryBlock for readability.
...
llvm-svn: 35265
2007-03-22 16:38:57 +00:00
Devang Patel
6a56e3c1a0
Now IndVarSimplify is a LoopPass.
...
llvm-svn: 35003
2007-03-07 06:39:01 +00:00
Devang Patel
c35610b9f9
Now LoopUnswitch is a LoopPass.
...
llvm-svn: 34992
2007-03-07 00:26:10 +00:00
Devang Patel
bee9c51214
Insert loop into LQ before visiting children.
...
llvm-svn: 34982
2007-03-06 19:50:49 +00:00
Devang Patel
57322d0462
Use schedulePass() instead of assignPassManager() to add new LPPassManager.
...
This ensures that require analysis info is available.
llvm-svn: 34980
2007-03-06 19:11:25 +00:00
Devang Patel
b44e86318e
Add LPPassManager::insertLoop().
...
llvm-svn: 34979
2007-03-06 19:00:02 +00:00
Devang Patel
8490ffbcdc
LPPassManager::deleteLoopFromQueue() add meat. Cut-n-paste code from
...
LoopUnswitch pass.
llvm-svn: 34977
2007-03-06 18:38:33 +00:00
Devang Patel
d3cf506865
LPPassManager. Implement preparePassManager() hook.
...
llvm-svn: 34975
2007-03-06 17:59:37 +00:00
Devang Patel
e3abf559e5
LPPassManager : Add initialization and finalizatino hooks.
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llvm-svn: 34968
2007-03-06 16:59:03 +00:00
Devang Patel
e4da6fa801
Use std::deque to manage loop queue inside LPPassManager.
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llvm-svn: 34943
2007-03-06 02:30:46 +00:00
Devang Patel
6668a341ae
Avoid constructing std::strings unless pass debugging is ON.
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llvm-svn: 34933
2007-03-05 20:01:30 +00:00
Jeff Cohen
98c99a3a02
Unbreak VC++ build.
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llvm-svn: 34917
2007-03-05 00:00:42 +00:00
Chris Lattner
dec6a90a00
Speed up Loop::isLCSSAForm by using a hash table instead of a sorted vector.
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llvm-svn: 34900
2007-03-04 04:06:39 +00:00
Reid Spencer
17000a40e2
Guard further against APInt operations with operands of unequal bit width.
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llvm-svn: 34897
2007-03-04 01:25:35 +00:00
Reid Spencer
89154fbfff
Fix an unequal bitwidth issue.
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llvm-svn: 34831
2007-03-02 02:59:25 +00:00
Reid Spencer
1f970769e8
Prefer non-virtual calls to ConstantInt::isZero over virtual calls to
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Constant::isNullValue() in situations where it is possible.
llvm-svn: 34821
2007-03-02 00:28:52 +00:00
Reid Spencer
ee77d22f26
Make it possible to create an SCEVUnknown from an APInt as well as an int.
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llvm-svn: 34816
2007-03-01 22:28:51 +00:00
Reid Spencer
30758bbe85
Avoid a potential assert out if the loop increment is > 64 bits.
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llvm-svn: 34798
2007-03-01 19:45:00 +00:00
Reid Spencer
288f1db60d
Construct ConstantInt with simpler constructor.
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llvm-svn: 34795
2007-03-01 19:32:33 +00:00
Reid Spencer
18d663b62c
Fix last night's 445.gobmk breakage which was caused by comparison of
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APInt's of unequal bitwidth.
llvm-svn: 34790
2007-03-01 17:17:21 +00:00
Reid Spencer
3f3487918c
Remove the "isSigned" parameters from ConstantRange. It turns out they
...
are not needed as the results are the same with or without it.
Patch by Nicholas Lewycky.
llvm-svn: 34782
2007-03-01 07:54:15 +00:00
Reid Spencer
036051c002
APIntify various computations in ScalarEvolution
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llvm-svn: 34780
2007-03-01 07:25:48 +00:00
Reid Spencer
67eedb21b7
For PR1205:
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Make GetConstantFactor compute its result using an APInt.
llvm-svn: 34765
2007-02-28 23:31:17 +00:00
Reid Spencer
19e5279a38
For PR1205:
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Adjust to changes in ConstantRange interface.
llvm-svn: 34762
2007-02-28 22:03:51 +00:00
Reid Spencer
f119927a6f
Move ConstantRange class to lib/Support from lib/Analysis and make its
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interface not depend on Type or ICmpInst.
llvm-svn: 34761
2007-02-28 22:02:48 +00:00
Reid Spencer
965067a054
For PR1205:
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Remove ConstantInt from ConstantRange interface and adjust its users to
compensate.
llvm-svn: 34758
2007-02-28 19:57:34 +00:00
Reid Spencer
e2b4631435
For PR1205:
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First round of ConstantRange changes. This makes all CR constructors use
only APInt and not use ConstantInt. Clients are adjusted accordingly.
llvm-svn: 34756
2007-02-28 18:57:32 +00:00
Reid Spencer
2b933467ad
For PR1205:
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Convert ConstantRange class to use APInt internally as its value type for
the constant range, instead of ConstantInt.
llvm-svn: 34745
2007-02-28 17:36:23 +00:00
Devang Patel
89791371ce
Make getPassManagerType() const.
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llvm-svn: 34669
2007-02-27 15:00:39 +00:00
Devang Patel
e0c0b3bea6
Fix thinko.
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llvm-svn: 34528
2007-02-23 18:05:55 +00:00
Devang Patel
06b8983669
Loop passes are set up to accept pointer.
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llvm-svn: 34527
2007-02-23 17:53:17 +00:00
Devang Patel
46cad14ab8
Teach LoopPass to assign itself one Loop Pass Manager.
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llvm-svn: 34510
2007-02-23 00:36:57 +00:00
Devang Patel
9a7b18fa3d
Add facility that allows LoopPass to re-insert a loop into
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Loop Pass Manager's queue.
llvm-svn: 34509
2007-02-23 00:16:44 +00:00
Devang Patel
bbfd00e658
Add LPPassManager interface that LoopPass can use to skip
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rest of the passes in the queue for a loop.
llvm-svn: 34508
2007-02-23 00:10:16 +00:00
Devang Patel
d7448faaed
Populate and walk loop queue.
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llvm-svn: 34505
2007-02-22 23:45:15 +00:00
Devang Patel
b170ebf833
Add LoopQueue. This is used by loop pass manager to manage loop nest.
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llvm-svn: 34504
2007-02-22 23:30:07 +00:00
Devang Patel
aabb87cffe
Add Loop Pass Manager.
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llvm-svn: 34487
2007-02-22 08:56:17 +00:00
Reid Spencer
55e4e98a2a
For PR1195:
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Rename PackedType -> VectorType, ConstantPacked -> ConstantVector, and
PackedTyID -> VectorTyID. No functional changes.
llvm-svn: 34293
2007-02-15 02:26:10 +00:00
Nick Lewycky
b994bafc0f
Fix comments to match names of functions.
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llvm-svn: 34173
2007-02-11 00:58:49 +00:00
Chris Lattner
058257bdd2
Switch some std::vector's to SmallVectors. This speeds up -load-vn -gcse
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by 6% on tramp3d.
llvm-svn: 34167
2007-02-10 22:15:31 +00:00