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1b8af6a8f0aee8772df8a8e1551c0097d2558fc7
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142 Commits

Author SHA1 Message Date
Dale Johannesen
bd8e650876 When sinking an insn in InstCombine bring its debug 
info with it.
Don't count debug info insns against the scan maximum
in FindAvailableLoadedValue (lest they affect codegen).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65910 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-03 01:09:07 +00:00
Devang Patel
5622f07a21 While folding unconditional return move DbgRegionEndInst into the predecessor, instead of removing it. This fixes following tests from llvmgcc42 testsuite. 
gcc.c-torture/execute/20000605-3.c
gcc.c-torture/execute/20020619-1.c
gcc.c-torture/execute/20030920-1.c
gcc.c-torture/execute/loop-ivopts-1.c



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65353 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-24 00:05:16 +00:00
Devang Patel
bd75b8345f If llvm.dbg.region.end is disappearing then remove corresponding llvm.dbg.func.start also. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64278 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-11 01:29:06 +00:00
Duncan Sands
1465d61bdd Rename getAnalysisToUpdate to getAnalysisIfAvailable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63198 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-28 13:14:17 +00:00
Chris Lattner
29874e0dc6 Factor some code into a new FoldSingleEntryPHINodes method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60501 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 19:44:02 +00:00
Chris Lattner
2973a25dbc third time is the charm. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60469 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 07:45:15 +00:00
Chris Lattner
15efa1a1fd fix assertion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60468 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 07:43:05 +00:00
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