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llvm-6502/test/Transforms
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Shuxin Yang c811976b04 rdar://12329730 (2nd part) 
This change tries to simmplify E1 = " X >> C1 << C2" into :
  - E2 = "X << (C2 - C1)" if C2 > C1, or
  - E2 = "X >> (C1 - C2)" if C1 > C2, or
  - E2 = X if C1 == C2.

 Reviewed by Nadav. Thanks!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169182 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04 00:04:54 +00:00
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ADCE
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ArgumentPromotion
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BBVectorize
BBVectorize: Correctly merge SubclassOptionalData
2012-11-28 03:04:10 +00:00
BlockPlacement
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BranchFolding
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CodeExtractor
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CodeGenPrepare
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ConstantMerge
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ConstProp
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CorrelatedValuePropagation
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DeadArgElim
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DeadStoreElimination
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EarlyCSE
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FunctionAttrs
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GlobalDCE
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GlobalOpt
Revert previous check in r168581, r169079 as they are still in code review status.
2012-12-01 10:54:28 +00:00
GVN
Add error handling in getInt.
2012-11-28 12:13:12 +00:00
IndVarSimplify
Follow up to 168711: It's safe to base this analysis on the found compare, just return the value for the right predicate.
2012-11-29 19:07:57 +00:00
Inline
Remove the dependent libraries feature.
2012-11-27 09:55:56 +00:00
InstCombine
rdar://12329730 (2nd part)
2012-12-04 00:04:54 +00:00
InstSimplify
Fast-math test for SimplifyInstruction: fold multiply by 0
2012-11-27 01:00:22 +00:00
Internalize
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IPConstantProp
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JumpThreading
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LCSSA
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LICM
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LoopDeletion
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LoopIdiom
rdar://12100355 (part 1)
2012-11-29 19:38:54 +00:00
LoopRotate
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LoopSimplify
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LoopStrengthReduce
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LoopUnroll
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LoopUnswitch
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LoopVectorize
Add support for pointer induction variables even when there is no integer induction variable.
2012-11-25 08:41:35 +00:00
LowerAtomic
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LowerExpectIntrinsic
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LowerInvoke
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LowerSwitch
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Mem2Reg
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MemCpyOpt
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MergeFunc
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MetaRenamer
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ObjCARC
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PhaseOrdering
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PruneEH
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Reassociate
Fix PR14060, an infinite loop in reassociate. The problem was that one of the
2012-11-18 19:27:01 +00:00
ScalarRepl
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SCCP
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SimplifyCFG
Fix logic to determine whether to turn a switch into a lookup table. When
2012-11-30 02:02:42 +00:00
SimplifyLibCalls
instcombine: Migrate puts optimizations
2012-11-29 19:15:17 +00:00
Sink
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SROA
SROA: Avoid struct and array types early to avoid creating an overly large integer type.
2012-12-01 11:53:32 +00:00
StripSymbols
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TailCallElim
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TailDup
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