Owen Anderson 6bb0bd52ec Improve the return slot optimization to be both more aggressive (not limited to sret parameters), and ...

safer (when the passed pointer might be invalid).  Thanks to Duncan and Chris for the idea behind this, 
and extra thanks to Duncan for helping me work out the trap-safety.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48280 91177308-0d34-0410-b5e6-96231b3b80d8

2008-03-12 07:37:44 +00:00

..

ADCE

Remove llvm-upgrade and update test cases.

2008-03-01 09:15:35 +00:00

ArgumentPromotion

Remove llvm-upgrade and update test cases.

2008-03-01 09:15:35 +00:00

BlockPlacement

Remove llvm-upgrade and update test cases.

2008-03-01 09:15:35 +00:00

BranchFolding

Don't branch fold inline asm statements.

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

CodeExtractor

Remove llvm-upgrade and update test cases.

2008-03-01 09:15:35 +00:00

CondProp

Remove llvm-upgrade and update test cases.

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ConstantMerge

Remove llvm-upgrade and update test cases.

2008-03-01 09:15:35 +00:00

ConstProp

Remove llvm-upgrade and update test cases.

2008-03-01 09:15:35 +00:00

DeadArgElim

Remove llvm-upgrade and update test cases.

2008-03-01 09:15:35 +00:00

DeadStoreElimination

Remove llvm-upgrade and update test cases.

2008-03-01 09:15:35 +00:00

DecomposeMultiDimRefs

Convert .cvsignore files

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

GCSE

Remove llvm-upgrade and update test cases.

2008-03-01 09:15:35 +00:00

GlobalDCE

Remove llvm-upgrade and update test cases.

2008-03-01 09:15:35 +00:00

GlobalOpt

Remove llvm-upgrade and update test cases.

2008-03-01 09:15:35 +00:00

GVN

Improve the return slot optimization to be both more aggressive (not limited to sret parameters), and

2008-03-12 07:37:44 +00:00

GVNPRE

For PR1553:

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

IndVarsSimplify

Remove llvm-upgrade and update tests.

2008-03-09 08:16:40 +00:00

Inline

Turn unwind_to into "unwinds to".

2008-03-10 02:20:00 +00:00

InstCombine

Remove llvm-upgrade and update tests.

2008-03-09 08:16:40 +00:00

IPConstantProp

Handle multiple ret values.

2008-03-11 22:24:29 +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

Turn unwind_to into "unwinds to".

2008-03-10 02:20:00 +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 Anders ran into where scalarrepl would crash when promoting

2008-02-29 07:12:06 +00:00

SCCP

Initial multiple return values support.

2008-03-11 05:46:42 +00:00

SimplifyCFG

Check to see if a two-entry PHI block can be simplified

2008-03-11 21:53:06 +00:00

SimplifyLibCalls

Remove llvm-upgrade and update tests.

2008-03-10 07:21:50 +00:00

SRETPromotion

Fix attribute handling.

2008-03-12 00:07:03 +00:00

StripSymbols

Do not strip llvm.used values.

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

TailCallElim

Remove llvm-upgrade and update tests.

2008-03-10 07:21:50 +00:00

TailDup

Remove llvm-upgrade and update tests.

2008-03-10 07:21:50 +00:00