Dan Gohman dab249b3b7 Enable hoisting of loads from constant memory by default. In cases where ...

they are lowered to instruction sequences more complex than a simple
load, such that CodeGen cannot rematerialize them, a reload from a
spill slot is likely to be cheaper than the complex sequence.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89374 91177308-0d34-0410-b5e6-96231b3b80d8

2009-11-19 19:00:10 +00:00

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ABCD

Revert my previous patch to ABCD and fix things the right way. There are two problems addressed

2009-11-09 00:44:44 +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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DeadArgElim

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DeadStoreElimination

Teach BasicAA that a constant expression can't alias memory provably not

2009-11-14 06:15:14 +00:00

FunctionAttrs

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GlobalDCE

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GlobalOpt

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GVN

Default-addressspace null pointers don't alias anything. This allows

2009-11-09 19:29:11 +00:00

IndVarSimplify

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Inline

implement a nice little efficiency hack in the inliner. Since we're now

2009-11-12 07:56:08 +00:00

InstCombine

Revert r88830 and r88831 which appear to have caused a selfhost buildbot some

2009-11-15 07:47:32 +00:00

Internalize

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IPConstantProp

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JumpThreading

typo

2009-11-12 09:44:17 +00:00

LCSSA

Trim a bunch of unneeded code from this testcase.

2009-11-10 01:33:08 +00:00

LICM

Enable hoisting of loads from constant memory by default. In cases where

2009-11-19 19:00:10 +00:00

LoopDeletion

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LoopIndexSplit

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LoopRotate

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LoopSimplify

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LoopStrengthReduce

Generalize OptimizeLoopTermCond to optimize more loop terminating icmp to use postinc iv.

2009-11-17 18:10:11 +00:00

LoopUnroll

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LoopUnswitch

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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

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ScalarRepl

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SCCP

fix a crash in SCCP handling extractvalue of an array, pointed out and

2009-11-10 22:02:09 +00:00

SimplifyCFG

Optimize test more.

2009-11-10 21:02:18 +00:00

SimplifyLibCalls

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SRETPromotion

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SSI

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StripSymbols

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TailCallElim

Improve tail call elimination to handle the switch statement.

2009-11-07 21:10:15 +00:00

TailDup

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