Benjamin Kramer 264ac878b2 InstCombine: Merge "(trunc x) == C1 & (and x, CA) == C2" into a single and+icmp. ...

This happens when GVN widens loads. Part of PR6627.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130405 91177308-0d34-0410-b5e6-96231b3b80d8

2011-04-28 16:58:40 +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

Roll r127459 back in:

2011-03-11 21:52:04 +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

Fix a ton of comment typos found by codespell. Patch by

2011-04-15 05:18:47 +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

* The DSE code that tested for overlapping needed to take into account the fact

2011-03-30 21:37:19 +00:00

EarlyCSE

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FunctionAttrs

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GlobalDCE

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GlobalOpt

Add back a couple checks removed by r129128; the fact that an intitializer

2011-04-09 09:11:09 +00:00

GVN

teach GVN to widen integer loads when they are overaligned, when doing an

2011-04-28 07:29:08 +00:00

IndVarSimplify

Fixes PR9730: indvars: An asserting value handle still pointed to this value

2011-04-27 23:00:03 +00:00

Inline

relax testcase a bit.

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

InstCombine

InstCombine: Merge "(trunc x) == C1 & (and x, CA) == C2" into a single and+icmp.

2011-04-28 16:58:40 +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 an infinite alternation in JumpThreading where two transforms would repeatedly undo each other. The solution is to perform more aggressive constant folding to make one of the edges just folded away rather than trying to thread it.

2011-04-14 21:35:50 +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

PR9604; try to deal with RAUW updates correctly in the AST. I'm not convinced

2011-04-09 06:55:46 +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

fix PR9523, a crash in looprotate on a non-canonical loop made out of indirectbr.

2011-04-09 07:25:58 +00:00

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

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

PhaseOrdering

make a couple of changes to the standard pass pipeline:

2011-04-26 20:45:33 +00:00

PruneEH

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Reassociate

Fix reassociate to use a worklist instead of recursing when new

2011-04-12 00:11:56 +00:00

ScalarRepl

make a couple of changes to the standard pass pipeline:

2011-04-26 20:45:33 +00:00

SCCP

Fix a ton of comment typos found by codespell. Patch by

2011-04-15 05:18:47 +00:00

SimplifyCFG

Simplify cfg inserts a call to trap when unreachable code is detected. Assign DebugLoc to this new trap instruction.

2011-04-27 17:59:27 +00:00

SimplifyLibCalls

Preserve line number information while simplifying libcalls.

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

Sink

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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

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