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1480 Commits

Author SHA1 Message Date
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. 
llvm-svn: 34968
 2007-03-06 16:59:03 +00:00
Devang Patel
e4da6fa801 Use std::deque to manage loop queue inside LPPassManager. 
llvm-svn: 34943
 2007-03-06 02:30:46 +00:00
Devang Patel
6668a341ae Avoid constructing std::strings unless pass debugging is ON. 
llvm-svn: 34933
 2007-03-05 20:01:30 +00:00
Jeff Cohen
98c99a3a02 Unbreak VC++ build. 
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. 
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. 
llvm-svn: 34897
 2007-03-04 01:25:35 +00:00
Reid Spencer
89154fbfff Fix an unequal bitwidth issue. 
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 
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. 
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. 
llvm-svn: 34798
 2007-03-01 19:45:00 +00:00
Reid Spencer
288f1db60d Construct ConstantInt with simpler constructor. 
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 
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 
llvm-svn: 34780
 2007-03-01 07:25:48 +00:00
Reid Spencer
67eedb21b7 For PR1205: 
Make GetConstantFactor compute its result using an APInt.

llvm-svn: 34765
 2007-02-28 23:31:17 +00:00
Reid Spencer
19e5279a38 For PR1205: 
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 
interface not depend on Type or ICmpInst.

llvm-svn: 34761
 2007-02-28 22:02:48 +00:00
Reid Spencer
965067a054 For PR1205: 
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: 
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: 
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. 
llvm-svn: 34669
 2007-02-27 15:00:39 +00:00
Devang Patel
e0c0b3bea6 Fix thinko. 
llvm-svn: 34528
 2007-02-23 18:05:55 +00:00
Devang Patel
06b8983669 Loop passes are set up to accept pointer. 
llvm-svn: 34527
 2007-02-23 17:53:17 +00:00
Devang Patel
46cad14ab8 Teach LoopPass to assign itself one Loop Pass Manager. 
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 
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 
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. 
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. 
llvm-svn: 34504
 2007-02-22 23:30:07 +00:00
Devang Patel
aabb87cffe Add Loop Pass Manager. 
llvm-svn: 34487
 2007-02-22 08:56:17 +00:00
Reid Spencer
55e4e98a2a For PR1195: 
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. 
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 
by 6% on tramp3d.

llvm-svn: 34167
 2007-02-10 22:15:31 +00:00
Chris Lattner
8dbca590f4 modify CheckGEPInstructions to take a pointer and size instead of a vector. 
llvm-svn: 34166
 2007-02-10 22:12:53 +00:00
Chris Lattner
d47f00d794 eliminate use of TargetData::getIndexedOffset that takes a vector 
llvm-svn: 34163
 2007-02-10 20:35:22 +00:00
Chris Lattner
fd0d12756d completely eliminate a temporary vector 
llvm-svn: 34162
 2007-02-10 20:33:15 +00:00
Chris Lattner
9dafd9fe90 Privatize StructLayout::MemberOffsets, adding an accessor 
llvm-svn: 34156
 2007-02-10 19:55:17 +00:00
Reid Spencer
598f6d293b Make classes in anonymous namespaces use VISIBILITY_HIDDEN to help reduce 
LLVM's footprint and speed up linking.

llvm-svn: 33941
 2007-02-05 23:42:17 +00:00
Reid Spencer
591bfa1e0b Changes to support making the shift instructions be true BinaryOperators. 
This feature is needed in order to support shifts of more than 255 bits
on large integer types.  This changes the syntax for llvm assembly to
make shl, ashr and lshr instructions look like a binary operator:
   shl i32 %X, 1
instead of
   shl i32 %X, i8 1
Additionally, this should help a few passes perform additional optimizations.

llvm-svn: 33776
 2007-02-02 02:16:23 +00:00
Devang Patel
e5e4a44cca Dump function names when debug-pass=Executions is used. 
llvm-svn: 33772
 2007-02-01 22:38:33 +00:00
Devang Patel
015a474023 Pretty print pass manager 
llvm-svn: 33766
 2007-02-01 22:09:37 +00:00
Chris Lattner
46ce2a4cca Fix a minor bug in my patch yesterday that broken ConstProp/bswap.ll 
llvm-svn: 33704
 2007-01-31 18:04:55 +00:00
Chris Lattner
9888e0a048 elimiante a temporary vector 
llvm-svn: 33694
 2007-01-31 04:42:05 +00:00
Chris Lattner
be153e31f3 Move some symbolic constant folding code out of instcombine into a place 
it can be used by multiple clients.  This specifically allows the inliner
to constant fold symbolically.

llvm-svn: 33687
 2007-01-31 00:51:48 +00:00
Chris Lattner
937bf05f43 The local "ConstantFold" method is now just a watered down version of 
ConstantFoldInstOperands.  Switch to ConstantFoldInstOperands and remove
ConstantFold.

llvm-svn: 33683
 2007-01-30 23:52:44 +00:00