Benjamin Kramer 6b4972518c InstCombine: Fix a thinko where transform an icmp under the assumption that it's a zero comparison when it's not. ...

Fixes PR9454.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127464 91177308-0d34-0410-b5e6-96231b3b80d8

2011-03-11 11:37:40 +00:00

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ADCE

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ArgumentPromotion

fix PR8932, a case where arg promotion could infinitely promote.

2011-01-16 08:09:24 +00:00

BlockPlacement

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BranchFolding

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CodeExtractor

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CodeGenPrepare

Optimize trivial branches in CodeGenPrepare, which often get created from the

2011-03-11 04:54:27 +00:00

ConstantMerge

Don't merge two constants if we care about the address of both.

2011-01-16 17:05:09 +00:00

ConstProp

When loading from a constant, fold inttoptr if the integer type and the resulting pointer type both have the same size.

2011-02-06 20:11:56 +00:00

CorrelatedValuePropagation

Test for lazy value info's ability to prove the absense of NULLs in pointers.

2011-01-16 21:57:20 +00:00

DeadArgElim

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

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

DeadStoreElimination

Fix PR8728, a miscompilation I recently introduced. When optimizing

2010-12-06 01:48:06 +00:00

EarlyCSE

Duncan deftly points out that readnone functions aren't

2011-01-03 23:38:13 +00:00

FunctionAttrs

Make ModRefBehavior a lattice. Use this to clean up AliasAnalysis

2010-11-10 01:02:18 +00:00

GlobalDCE

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GlobalOpt

Add unnamed_addr when we can show that address of a global is not used.

2011-01-19 16:32:21 +00:00

GVN

Give GVN back the ability to perform simple conditional propagation on conditional branch values.

2010-12-21 23:54:34 +00:00

IndVarSimplify

Remove LoopIndexSplit pass. It is neither maintained nor used by anyone.

2010-10-07 23:29:37 +00:00

Inline

relax testcase a bit.

2011-01-14 07:46:33 +00:00

InstCombine

InstCombine: Fix a thinko where transform an icmp under the assumption that it's a zero comparison when it's not.

2011-03-11 11:37:40 +00:00

InstSimplify

Teach ComputeMaskedBits about nsw on add. I don't think there's anything we can

2011-03-11 09:00:19 +00:00

Internalize

Add test for r127138.

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

IPConstantProp

more test cleanup

2010-09-02 22:38:56 +00:00

JumpThreading

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

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

LCSSA

Rename 'loopsimplify' to 'loop-simplify'.

2011-02-10 23:38:10 +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

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

Factor code for testing whether replacing one value with another

2010-11-18 19:59:41 +00:00

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

Actually check memcpy lengths, instead of just commenting about

2011-01-21 22:07:57 +00:00

MergeFunc

When removing a function from the function set and adding it to deferred, we

2011-02-09 06:32:02 +00:00

PruneEH

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Reassociate

Fix reassociate to postpone certain instruction deletions until

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

ScalarRepl

Add a test case for r127320.

2011-03-09 08:11:02 +00:00

SCCP

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SimplifyCFG

Fix mistyped CHECK lines.

2011-03-09 22:07:31 +00:00

SimplifyLibCalls

Preserve line number information while simplifying libcalls.

2011-03-09 21:27:52 +00:00

Sink

Make BasicAliasAnalysis a normal AliasAnalysis implementation which

2010-10-18 18:04:47 +00:00

SRETPromotion

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StripSymbols

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TailCallElim

Add a test for TCE return duplication.

2011-01-29 04:53:35 +00:00

TailDup

The output of opt -stats must be sent to stderr. Patch by NAKAMURA Takumi!

2010-09-01 18:32:56 +00:00