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35 Commits

Author SHA1 Message Date
Chris Lattner
71af9b07a5 Rename DeleteBlockIfDead to DeleteDeadBlock and make it 
unconditionally delete the block.  All likely clients will
do the checking anyway.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60464 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 06:40:52 +00:00
Chris Lattner
2b1ba24fb7 Factor some code out of SimplifyCFG, forming a new 
DeleteBlockIfDead method.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60463 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 06:37:44 +00:00
Chris Lattner
4aebaee0e4 switch InstCombine::visitLoadInst to use 
FindAvailableLoadedValue


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60169 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-27 08:56:30 +00:00
Chris Lattner
ee6e10bc8e enhance FindAvailableLoadedValue to make use of AliasAnalysis 
if it has it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60167 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-27 08:18:12 +00:00
Chris Lattner
52c95856b4 move FindAvailableLoadedValue from JumpThreading to Transforms/Utils. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60166 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-27 08:10:05 +00:00
Devang Patel
8a88a14462 Fix unused variable warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58651 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-03 23:14:09 +00:00
Owen Anderson
a90793b431 SplitBlock should only attempt to update LoopInfo if it is actually being used. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56994 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-03 06:55:35 +00:00
Devang Patel
e435a5d937 Fix simplifycfg crash in handing block merge. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55971 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-09 01:06:56 +00:00
Owen Anderson
3ecaf1b339 Add some checks that got lost in the shuffle. This fixes 464.h264ref. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53760 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-18 17:46:41 +00:00
Owen Anderson
11f2ec8eb5 Make MergeBlockIntoPredecessor more aggressive when the same successor appears 
more than once.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53731 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-17 19:42:29 +00:00
Owen Anderson
b31b06d04b Factor MergeBlockIntoPredecessor out into BasicBlockUtils. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53705 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-17 00:01:40 +00:00
Nick Lewycky
280a6e607d Remove 'unwinds to' support from mainline. This patch undoes r47802 r47989 
r48047 r48084 r48085 r48086 r48088 r48096 r48099 r48109 and r48123.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50265 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-25 16:53:59 +00:00
Chris Lattner
54b9c3ba2a 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50020 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-21 01:28:02 +00:00
Gabor Greif
051a950000 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49277 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-06 20:25:17 +00:00
Nick Lewycky
c6694228fa 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48085 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-09 05:04:48 +00:00
Chris Lattner
4ee451de36 Remove attribution from file headers, per discussion on llvmdev. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45418 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-29 20:36:04 +00:00
Owen Anderson
d735ee85db Make LoopInfoBase more generic, in preparation for having MachineLoopInfo. This involves a small interface change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44348 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-27 03:43:35 +00:00
Devang Patel
a8a8a36629 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40035 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-19 02:29:24 +00:00
Devang Patel
8019893c3f Add SplitEdge and SplitBlock utility routines. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37952 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-06 21:39:20 +00:00
Chris Lattner
86cc423555 simplify code by using Value::takeName 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34177 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-11 01:37:51 +00:00
Reid Spencer
bc2eba1ca2 Fix a doxygen problem and break lines at 80 columns 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28395 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-19 19:09:46 +00:00
Misha Brukman
fd93908ae8 Remove trailing whitespace 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21427 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-21 23:48:37 +00:00
Chris Lattner
0f67dd6237 Improve doxygen documentation, patch contributed by Evan Jones! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21393 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-21 16:04:49 +00:00
Chris Lattner
7acff25f7f second argument to Value::setName is now gone. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20463 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-05 19:05:20 +00:00
Misha Brukman
47b14a4a6a Fix #includes of i*.h => Instructions.h as per PR403. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15334 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-29 17:30:56 +00:00
Chris Lattner
f7703df496 Finegrainify namespacification 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10727 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-09 06:12:26 +00:00
Brian Gaeke
d0fde30ce8 Put all LLVM code into the llvm namespace, as per bug 109. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9903 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-11-11 22:41:34 +00:00
John Criswell
b576c94c15 Added LLVM project notice to the top of every C++ source file. 
Header files will be on the way.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9298 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-20 19:43:21 +00:00
Misha Brukman
cf00c4ab3b Fix spelling. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9027 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-10 17:57:28 +00:00
Misha Brukman
5560c9d49c Spell `necessary' correctly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7944 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-08-18 14:43:39 +00:00
Chris Lattner
6e6026b465 - Eliminated the deferred symbol table stuff in Module & Function, it really 
wasn't an optimization and it was causing lots of bugs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4779 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-11-20 18:36:02 +00:00
Misha Brukman
a3bbcb5b66 Fix spelling of `propagate'. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4423 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-29 23:06:16 +00:00
Chris Lattner
b0f0ef8f26 Implement a new RemoveSuccessor function 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3131 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-07-29 22:32:08 +00:00
Chris Lattner
18961504fc *** empty log message *** 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2777 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-06-25 16:12:52 +00:00
Chris Lattner
4d1e46e7b0 Add code pulled out of TransformInternals.cpp, ConstProp.cpp, and DCE.cpp 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2513 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-07 18:07:59 +00:00