Dan Gohman 882d87d168 Check to see if a two-entry PHI block can be simplified ...

before trying to merge the block into its predecessors.
This allows two-entry-phi-return.ll to be simplified
into a single basic block.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48252 91177308-0d34-0410-b5e6-96231b3b80d8

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

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

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

Add PR number to testcase.

2008-02-26 23:16:11 +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

Remove llvm-upgrade and update test cases.

2008-03-01 09:15:35 +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

Simplify

2008-03-10 18:38:30 +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