Chris Lattner 4a34461d64 Split up subtracts into add+negate if they have a reassociable use or operand ...

that is also a subtract.  This implements PR2047 and Transforms/Reassociate/subtest2.ll 

llvm-svn: 47241

2008-02-17 20:51:26 +00:00

..

ADCE

Ding dong, the DoesntAccessMemoryFns and

2007-11-23 19:30:27 +00:00

ArgumentPromotion

Don't drop function/call return attributes like 'nounwind'.

2008-02-01 20:37:16 +00:00

BlockPlacement

Convert .cvsignore files

2007-06-29 16:35:07 +00:00

BranchFolding

Don't branch fold inline asm statements.

2007-10-19 21:09:55 +00:00

CodeExtractor

Convert .cvsignore files

2007-06-29 16:35:07 +00:00

CondProp

Fix PR1575 and test/Transforms/CondProp/2007-08-01-InvalidRead.ll

2007-08-02 04:47:05 +00:00

ConstantMerge

Convert .cvsignore files

2007-06-29 16:35:07 +00:00

ConstProp

Fix PR1816, by correcting the broken definition of APInt::countTrailingZeros.

2007-11-23 22:42:31 +00:00

DeadArgElim

Test case for varargs parameter attribute issue I just fixed.

2008-01-17 07:26:31 +00:00

DeadStoreElimination

Make DSE much more aggressive by performing DCE earlier. Update a testcase to reflect this increased aggressiveness.

2008-01-30 01:24:47 +00:00

DecomposeMultiDimRefs

Convert .cvsignore files

2007-06-29 16:35:07 +00:00

GCSE

Convert .cvsignore files

2007-06-29 16:35:07 +00:00

GlobalDCE

Convert .cvsignore files

2007-06-29 16:35:07 +00:00

GlobalOpt

Remove any 'nest' parameter attributes if the function

2008-02-16 20:56:04 +00:00

GVN

Testcase for PR2032.

2008-02-14 07:15:11 +00:00

GVNPRE

For PR1553:

2007-07-19 23:13:04 +00:00

IndVarsSimplify

Add new SCEV, SCEVSMax. This allows LLVM to analyze do-while loops.

2007-11-25 22:41:31 +00:00

Inline

Revert r46393: readonly/readnone functions are no

2008-01-27 18:12:58 +00:00

InstCombine

Fix a bug compiling PR1978 (perhaps not the only one though) which

2008-02-05 04:45:32 +00:00

IPConstantProp

Convert .cvsignore files

2007-06-29 16:35:07 +00:00

LCSSA

Bunch of tests to check loop passes.

2007-07-31 08:04:17 +00:00

LICM

Update this testcase. The output needs to be disabled to pass.

2008-01-01 01:34:36 +00:00

LoopIndexSplit

If loop header is also loop exiting block then OrigPN is incoming value for B loop header.

2008-02-14 23:18:47 +00:00

LoopRotate

Ding dong, the DoesntAccessMemoryFns and

2007-11-23 19:30:27 +00:00

LoopSimplify

Fix PR1752 and LoopSimplify/2007-10-28-InvokeCrash.ll: terminators

2007-10-29 02:30:37 +00:00

LoopStrengthReduce

Convert tests using "| wc -l | grep ..." to use the count script.

2007-08-15 13:36:28 +00:00

LoopUnroll

Be more careful modifying the use_list while also iterating through it.

2008-01-27 18:35:00 +00:00

LoopUnswitch

Fix bug in updating dominance frontier after loop

2007-10-05 22:29:34 +00:00

LowerInvoke

Fix PR2029

2008-02-14 19:18:13 +00:00

LowerSetJmp

Convert .cvsignore files

2007-06-29 16:35:07 +00:00

LowerSwitch

Convert tests using "| wc -l | grep ..." to use the count script.

2007-08-15 13:36:28 +00:00

Mem2Reg

Don't promote volatile loads/stores. This is needed (for example) to handle setjmp/longjmp properly.

2007-08-26 21:43:30 +00:00

PredicateSimplifier

Excuse me.

2007-09-20 00:57:00 +00:00

PruneEH

Make PruneEH update the nounwind/noreturn attributes

2007-12-10 19:09:40 +00:00

RaiseAllocations

Do not raise free() call that is called through invoke instruction.

2007-10-17 20:12:58 +00:00

Reassociate

Split up subtracts into add+negate if they have a reassociable use or operand

2008-02-17 20:51:26 +00:00

ScalarRepl

Fix a bug where scalarrepl would discard offset if type would match.

2008-01-30 00:39:15 +00:00

SCCP

Fix PR1938 by forcing the code that uses an undefined value to branch one

2008-01-28 00:32:30 +00:00

SimplifyCFG

don't hoist FP additions into unconditional adds + selects. This

2008-01-03 07:25:26 +00:00

SimplifyLibCalls

Convert tests using "grep -c ... | grep ..." to use the count script.

2007-08-15 13:49:33 +00:00

StripSymbols

Do not strip llvm.used values.

2008-01-16 03:33:05 +00:00

TailCallElim

remove obsolete testcase

2007-09-10 23:51:41 +00:00

TailDup

Change the x86 assembly output to use tab characters to separate the

2007-07-31 20:11:57 +00:00