Benjamin Kramer 8398512f89 Avoid turning a floating point division with a constant power of two into a denormal multiplication. ...

Some platforms may treat denormals as zero, on other platforms multiplication
with a subnormal is slower than dividing by a normal.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128555 91177308-0d34-0410-b5e6-96231b3b80d8

2011-03-30 17:02:54 +00:00

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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

Roll r127459 back in:

2011-03-11 21:52:04 +00:00

ConstantMerge

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ConstProp

Constant folding support for calls to umul.with.overflow(), basically identical to the smul.with.overflow() code.

2011-03-27 14:26:13 +00:00

CorrelatedValuePropagation

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DeadArgElim

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

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

DeadStoreElimination

PR9561: A store with a negative offset (via GEP) could erroniously say that it

2011-03-26 01:20:37 +00:00

EarlyCSE

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FunctionAttrs

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GlobalDCE

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GlobalOpt

Add an optimization to GlobalOpt that eliminates calls to __cxa_atexit, if the function passed is empty.

2011-03-20 17:59:11 +00:00

GVN

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IndVarSimplify

Avoid creating canonical induction variables for non-native types.

2011-03-18 16:50:32 +00:00

Inline

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InstCombine

Avoid turning a floating point division with a constant power of two into a denormal multiplication.

2011-03-30 17:02:54 +00:00

InstSimplify

Teach ComputeMaskedBits about sub nsw.

2011-03-12 17:18:11 +00:00

Internalize

Add test for r127138.

2011-03-07 21:28:14 +00:00

IPConstantProp

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JumpThreading

Fix PR9331. Simplified version of a patch by Jakub Staszak.

2011-03-08 12:39:03 +00:00

LCSSA

Do not add PHIs with no users when creating LCSSA form. Patch by Andrew Clinton.

2011-03-15 07:41:25 +00:00

LICM

While sinking an instruction, do not lose llvm.dbg.value intrinsic.

2011-03-08 03:06:19 +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

Preserve line no. info.

2011-03-07 22:43:45 +00:00

LoopRotate

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LoopSimplify

Avoid creating canonical induction variables for non-native types.

2011-03-18 16:50:32 +00:00

LoopStrengthReduce

Avoid creating canonical induction variables for non-native types.

2011-03-18 16:50:32 +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 reassociate to postpone certain instruction deletions until

2011-03-10 19:51:54 +00:00

ScalarRepl

Do some simple copy propagation through integer loads and stores when promoting

2011-03-29 05:19:52 +00:00

SCCP

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SimplifyCFG

PR9450: Make switch optimization in SimplifyCFG not dependent on the ordering

2011-03-15 02:23:35 +00:00

SimplifyLibCalls

Preserve line number information while simplifying libcalls.

2011-03-09 21:27:52 +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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