Nick Lewycky 58bfcdbcf6 Thread comparisons over udiv/sdiv/ashr/lshr exact and lshr nuw/nsw whenever ...

possible. This goes into instcombine and instsimplify because instsimplify
doesn't need to check hasOneUse since it returns (almost exclusively) constants.

This fixes PR9343 #4 #5 and #8!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127064 91177308-0d34-0410-b5e6-96231b3b80d8

2011-03-05 05:19:11 +00:00

..

ADCE

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ArgumentPromotion

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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

Add an obvious missing safety check to DAE::RemoveDeadArgumentsFromCallers.

2011-03-01 00:33:47 +00:00

DeadStoreElimination

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EarlyCSE

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FunctionAttrs

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GlobalDCE

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GlobalOpt

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GVN

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IndVarSimplify

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Inline

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InstCombine

Thread comparisons over udiv/sdiv/ashr/lshr exact and lshr nuw/nsw whenever

2011-03-05 05:19:11 +00:00

InstSimplify

Thread comparisons over udiv/sdiv/ashr/lshr exact and lshr nuw/nsw whenever

2011-03-05 05:19:11 +00:00

Internalize

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IPConstantProp

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JumpThreading

prevent jump threading from merging blocks when their address is

2011-02-18 04:43:06 +00:00

LCSSA

Rename 'loopsimplify' to 'loop-simplify'.

2011-02-10 23:38:10 +00:00

LICM

Rename 'loopsimplify' to 'loop-simplify'.

2011-02-10 23:38:10 +00:00

LoopDeletion

Make LoopDeletion work on loops with multiple edges, as long as the incoming

2011-02-22 22:25:39 +00:00

LoopIdiom

rewrite the memset_pattern pattern generation stuff to accept any 2/4/8/16-byte

2011-02-19 19:56:44 +00:00

LoopRotate

Do not hoist @llvm.dbg.value. Here, @llvm.dbg.value is "referring" a value that is modified inside loop.

2011-02-14 23:03:23 +00:00

LoopSimplify

Rename 'loopsimplify' to 'loop-simplify'.

2011-02-10 23:38:10 +00:00

LoopStrengthReduce

Teach RecursivelyDeleteDeadPHINodes to handle multiple self-references. Patch

2011-02-20 08:38:20 +00:00

LoopUnroll

add a testcase for r125827

2011-02-18 05:05:01 +00:00

LoopUnswitch

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LowerAtomic

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LowerInvoke

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LowerSetJmp

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LowerSwitch

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Mem2Reg

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MemCpyOpt

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MergeFunc

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PruneEH

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Reassociate

fix PR9215, preventing -reassociate from clearing nsw/nuw when

2011-02-17 01:29:24 +00:00

ScalarRepl

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SCCP

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SimplifyCFG

Teach SimplifyCFG that (switch (select cond, X, Y)) is better expressed as a branch.

2011-02-28 09:44:07 +00:00

SimplifyLibCalls

Optimize fprintf -> iprintf if there are no floating point arguments

2011-03-03 14:20:22 +00:00

Sink

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SRETPromotion

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StripSymbols

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TailCallElim

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TailDup

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