Chris Lattner 94f4032448 Make loop-simplify produce better loops by turning PHI nodes like X = phi [X, Y] ...

into just Y.  This often occurs when it seperates loops that have collapsed loop
headers.  This implements LoopSimplify/phi-node-simplify.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22746 91177308-0d34-0410-b5e6-96231b3b80d8

2005-08-10 02:07:32 +00:00

..

BasicBlockUtils.cpp

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BreakCriticalEdges.cpp

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CloneFunction.cpp

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CloneModule.cpp

Eliminate all remaining tabs and trailing spaces.

2005-07-27 06:12:32 +00:00

CloneTrace.cpp

Eliminate tabs and trailing spaces

2005-04-23 21:38:35 +00:00

CodeExtractor.cpp

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DemoteRegToStack.cpp

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InlineFunction.cpp

Eliminate all remaining tabs and trailing spaces.

2005-07-27 06:12:32 +00:00

Local.cpp

Fix a fixme in CondPropagate.cpp by moving a PhiNode optimization into

2005-08-04 23:24:19 +00:00

LoopSimplify.cpp

Make loop-simplify produce better loops by turning PHI nodes like X = phi [X, Y]

2005-08-10 02:07:32 +00:00

LowerAllocations.cpp

Preserve tail marker

2005-05-06 06:48:21 +00:00

LowerInvoke.cpp

The correct fix for PR612, which also fixes

2005-08-03 18:51:44 +00:00

LowerSelect.cpp

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LowerSwitch.cpp

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Makefile

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Mem2Reg.cpp

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PromoteMemoryToRegister.cpp

This code can handle non-dominating instructions

2005-08-05 00:57:45 +00:00

SimplifyCFG.cpp

Fix Transforms/SimplifyCFG/2005-08-03-PHIFactorCrash.ll, a problem that

2005-08-03 17:59:45 +00:00

UnifyFunctionExitNodes.cpp

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ValueMapper.cpp

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ValueMapper.h

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