Chris Lattner
29874e0dc6
Factor some code into a new FoldSingleEntryPHINodes method.
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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
7c99f49368
fix a really incorrect comment.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60492 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-03 19:18:54 +00:00
Chris Lattner
71af9b07a5
Rename DeleteBlockIfDead to DeleteDeadBlock and make it
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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
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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
52c95856b4
move FindAvailableLoadedValue from JumpThreading to Transforms/Utils.
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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
Owen Anderson
11f2ec8eb5
Make MergeBlockIntoPredecessor more aggressive when the same successor appears
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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.
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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
Chris Lattner
54b9c3ba2a
Move SplitBlockPredecessors out of loopsimplify into BasicBlockUtils.h
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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
Chris Lattner
6110224fa6
prune #includes, fit in 80 cols.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47556 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-25 19:21:38 +00:00
Chris Lattner
7ed47a1335
Don't attribute in file headers anymore. See llvmdev for the
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discussion of this change. Boy are my fingers tired. ;-)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45411 91177308-0d34-0410-b5e6-96231b3b80d8
2007-12-29 19:59:42 +00:00
Devang Patel
8019893c3f
Add SplitEdge and SplitBlock utility routines.
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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
Devang Patel
f86a73cbef
Do not preserve ETForest.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37506 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-08 00:02:08 +00:00
Owen Anderson
ba43963e96
Completely purge DomSet. This is the (hopefully) final patch for PR1171.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35731 91177308-0d34-0410-b5e6-96231b3b80d8
2007-04-07 07:17:27 +00:00
Chris Lattner
b57de3328d
add option to isCriticalEdge
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31258 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 06:58:17 +00:00
Chris Lattner
27e1f90d85
Expose a smarter way to break critical edges.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31256 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 06:44:56 +00:00
Chris Lattner
fd50080fe2
This is a proper fix for the compiler warning. A termination condition is
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not needed, as it can never be reached: an edge must exist.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28282 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-14 02:01:22 +00:00
Reid Spencer
ca960c9946
Fix an infinite loop bug that Vladimir Prus identified.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28281 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-13 18:11:32 +00:00
Chris Lattner
ebccc040e5
Remove a level of indirection.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26109 91177308-0d34-0410-b5e6-96231b3b80d8
2006-02-10 21:32:11 +00:00
Chris Lattner
bb20372e70
add a helper
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22823 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-17 06:34:37 +00:00
Misha Brukman
34695381d6
Remove trailing whitespace
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21412 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-21 20:59:05 +00:00
Brian Gaeke
d0fde30ce8
Put all LLVM code into the llvm namespace, as per bug 109.
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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
Chris Lattner
aeef8c70f0
Include forms of SplitCriticalEdge which work correctly with pred/succ iterators
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9856 91177308-0d34-0410-b5e6-96231b3b80d8
2003-11-10 04:42:13 +00:00
Chris Lattner
d9c5c5e12f
Move isCriticalEdge & SplitCritical into this file. While we're at it, change
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the interface to SplitCriticalEdge so that it splits an edge if it is critical,
otherwise just returns false and noops if not.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9852 91177308-0d34-0410-b5e6-96231b3b80d8
2003-11-10 04:10:27 +00:00
John Criswell
6fbcc26f14
Added LLVM copyright header (for lack of a better term).
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9304 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-20 20:19:47 +00:00
Chris Lattner
48486893f4
Standardize header file comments
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8782 91177308-0d34-0410-b5e6-96231b3b80d8
2003-09-30 18:37:50 +00:00
Chris Lattner
229a3770f6
Implement a new RemoveSuccessor function
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3130 91177308-0d34-0410-b5e6-96231b3b80d8
2002-07-29 22:32:06 +00:00
Chris Lattner
18961504fc
*** empty log message ***
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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
148a0bfcea
Checkin headers for Utils library
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2528 91177308-0d34-0410-b5e6-96231b3b80d8
2002-05-07 18:52:48 +00:00