Duncan Sands 8140ad32ce Add variations on: max(x,y) >= min(x,z) folds to true. This isn't that common, ...

but according to my super-optimizer there are only two missed simplifications
of -instsimplify kind when compiling bzip2, and this is one of them.  It amuses
me to have bzip2 be perfectly optimized as far as instsimplify goes!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130840 91177308-0d34-0410-b5e6-96231b3b80d8

2011-05-04 16:05:05 +00:00

..

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

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

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

GVN

final step needed to resolve PR6627, which allows us to flatten the code down to

2011-04-28 18:15:47 +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

Fix PR9579: when simplifying a compare to "true" or "false", and it was

2011-05-02 18:51:41 +00:00

InstSimplify

Add variations on: max(x,y) >= min(x,z) folds to true. This isn't that common,

2011-05-04 16:05:05 +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 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

Factor code for testing whether replacing one value with another

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

LowerAtomic

Add an atomic lowering pass

2010-08-03 16:19:16 +00:00

LowerInvoke

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LowerSetJmp

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LowerSwitch

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Mem2Reg

Copy location info for current function argument from dbg.declare if respective store instruction does not have any location info.

2010-06-04 22:27:30 +00:00

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

final step needed to resolve PR6627, which allows us to flatten the code down to

2011-04-28 18:15:47 +00:00

PruneEH

fix some failures my callgraph dump format change broke.

2010-04-23 18:38:40 +00:00

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

SimplifyCFG: Expose phi node folding cost threshold as command line parameter

2011-04-29 18:47:38 +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

StripSymbols

DIGlobalVariable can be used to encode debug info for globals that are directly folded into a constant by FE.

2010-08-25 18:52:02 +00:00

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