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38 Commits

Author SHA1 Message Date
Chris Lattner
420385f8c3 Factor some code into a new FoldSingleEntryPHINodes method. 
llvm-svn: 60501
 2008-12-03 19:44:02 +00:00
Chris Lattner
29326a6d1f third time is the charm. 
llvm-svn: 60469
 2008-12-03 07:45:15 +00:00
Chris Lattner
d03c1b5440 fix assertion. 
llvm-svn: 60468
 2008-12-03 07:43:05 +00:00
Chris Lattner
7a00825f57 Rename DeleteBlockIfDead to DeleteDeadBlock and make it 
unconditionally delete the block.  All likely clients will
do the checking anyway.

llvm-svn: 60464
 2008-12-03 06:40:52 +00:00
Chris Lattner
12c3938837 Factor some code out of SimplifyCFG, forming a new 
DeleteBlockIfDead method.

llvm-svn: 60463
 2008-12-03 06:37:44 +00:00
Chris Lattner
2959f6224e switch InstCombine::visitLoadInst to use 
FindAvailableLoadedValue

llvm-svn: 60169
 2008-11-27 08:56:30 +00:00
Chris Lattner
0bd942ecb5 enhance FindAvailableLoadedValue to make use of AliasAnalysis 
if it has it.

llvm-svn: 60167
 2008-11-27 08:18:12 +00:00
Chris Lattner
577096bcaa move FindAvailableLoadedValue from JumpThreading to Transforms/Utils. 
llvm-svn: 60166
 2008-11-27 08:10:05 +00:00
Devang Patel
40cfcf7ce2 Fix unused variable warnings. 
llvm-svn: 58651
 2008-11-03 23:14:09 +00:00
Owen Anderson
e98ca283b0 SplitBlock should only attempt to update LoopInfo if it is actually being used. 
llvm-svn: 56994
 2008-10-03 06:55:35 +00:00
Devang Patel
b6380f607d Fix simplifycfg crash in handing block merge. 
llvm-svn: 55971
 2008-09-09 01:06:56 +00:00
Owen Anderson
736e4b3a3f Add some checks that got lost in the shuffle. This fixes 464.h264ref. 
llvm-svn: 53760
 2008-07-18 17:46:41 +00:00
Owen Anderson
cb787a2004 Make MergeBlockIntoPredecessor more aggressive when the same successor appears 
more than once.

llvm-svn: 53731
 2008-07-17 19:42:29 +00:00
Owen Anderson
7fb36c8bba Factor MergeBlockIntoPredecessor out into BasicBlockUtils. 
llvm-svn: 53705
 2008-07-17 00:01:40 +00:00
Nick Lewycky
1f831c0f57 Remove 'unwinds to' support from mainline. This patch undoes r47802 r47989 
r48047 r48084 r48085 r48086 r48088 r48096 r48099 r48109 and r48123.

llvm-svn: 50265
 2008-04-25 16:53:59 +00:00
Chris Lattner
57e11a167d Move SplitBlockPredecessors out of loopsimplify into BasicBlockUtils.h 
as a global helper function.  At the same type, switch it from taking
a vector of predecessors to an arbitrary sequential input.  This allows
us to switch LoopSimplify to use a SmallVector for various temporary
vectors that it passed into SplitBlockPredecessors.

llvm-svn: 50020
 2008-04-21 01:28:02 +00:00
Gabor Greif
6c6b8a57f3 API changes for class Use size reduction, wave 1. 
Specifically, introduction of XXX::Create methods
for Users that have a potentially variable number of
Uses.

llvm-svn: 49277
 2008-04-06 20:25:17 +00:00
Nick Lewycky
c64eb33c52 Two things. Preserve the unwind_to when splitting a BB. 
Add the ability to remove just one instance of a BB from a phi node. This fixes
the compile error in the tree now.

llvm-svn: 48085
 2008-03-09 05:04:48 +00:00
Chris Lattner
ad9a6ccb83 Remove attribution from file headers, per discussion on llvmdev. 
llvm-svn: 45418
 2007-12-29 20:36:04 +00:00
Owen Anderson
43d4a82d4b 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
Devang Patel
fe0ef94227 After a basic block is split into two parts, 
second part dominates all the blocks dominated
by original basic block. And first part dominates
second part.

llvm-svn: 40035
 2007-07-19 02:29:24 +00:00
Devang Patel
d9043c7501 Add SplitEdge and SplitBlock utility routines. 
llvm-svn: 37952
 2007-07-06 21:39:20 +00:00
Chris Lattner
bbd6f81f3d simplify code by using Value::takeName 
llvm-svn: 34177
 2007-02-11 01:37:51 +00:00
Reid Spencer
8d035f492c Fix a doxygen problem and break lines at 80 columns 
llvm-svn: 28395
 2006-05-19 19:09:46 +00:00
Misha Brukman
53e199440e Remove trailing whitespace 
llvm-svn: 21427
 2005-04-21 23:48:37 +00:00
Chris Lattner
472c891d23 Improve doxygen documentation, patch contributed by Evan Jones! 
llvm-svn: 21393
 2005-04-21 16:04:49 +00:00
Chris Lattner
1ccff5c8c7 second argument to Value::setName is now gone. 
llvm-svn: 20463
 2005-03-05 19:05:20 +00:00
Misha Brukman
58104df77b Fix #includes of i*.h => Instructions.h as per PR403. 
llvm-svn: 15334
 2004-07-29 17:30:56 +00:00
Chris Lattner
031bd7e9f3 Finegrainify namespacification 
llvm-svn: 10727
 2004-01-09 06:12:26 +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
Misha Brukman
868eac95dd Fix spelling. 
llvm-svn: 9027
 2003-10-10 17:57:28 +00:00
Misha Brukman
56f7db4178 Spell `necessary' correctly. 
llvm-svn: 7944
 2003-08-18 14:43:39 +00:00
Chris Lattner
b5027095e5 - Eliminated the deferred symbol table stuff in Module & Function, it really 
wasn't an optimization and it was causing lots of bugs.

llvm-svn: 4779
 2002-11-20 18:36:02 +00:00
Misha Brukman
c9c721edf0 Fix spelling of `propagate'. 
llvm-svn: 4423
 2002-10-29 23:06:16 +00:00
Chris Lattner
078c1024c0 Implement a new RemoveSuccessor function 
llvm-svn: 3131
 2002-07-29 22:32:08 +00:00
Chris Lattner
cee706572b *** empty log message *** 
llvm-svn: 2777
 2002-06-25 16:12:52 +00:00
Chris Lattner
d5477af051 Add code pulled out of TransformInternals.cpp, ConstProp.cpp, and DCE.cpp 
llvm-svn: 2513
 2002-05-07 18:07:59 +00:00