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llvm-mirror/test/Transforms/SimplifyCFG
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Manman Ren d462a5158d SimplifyCFG: fold unconditional branch to its predecessor if profitable. 
This patch extends FoldBranchToCommonDest to fold unconditional branches.
For unconditional branches, we fold them if it is easy to update the phi nodes 
in the common successors.

rdar://10554090

llvm-svn: 158392
2012-06-13 05:43:29 +00:00
..
2002-05-05-EmptyBlockMerge.ll
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2002-05-21-PHIElimination.ll
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2002-06-24-PHINode.ll
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2002-09-24-PHIAssertion.ll
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2003-03-07-DominateProblem.ll
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2003-08-05-InvokeCrash.ll
Update tests to new EH model. Add landingpad instructions to landing pads.
2011-08-29 20:39:23 +00:00
2003-08-05-MishandleInvoke.ll
Update tests to new EH model. Add landingpad instructions to landing pads.
2011-08-29 20:39:23 +00:00
2003-08-17-BranchFold.ll
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2003-08-17-BranchFoldOrdering.ll
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2003-08-17-FoldSwitch-dbg.ll
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2003-08-17-FoldSwitch.ll
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2004-12-10-SimplifyCFGCrash.ll
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2005-06-16-PHICrash.ll
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2005-08-01-PHIUpdateFail.ll
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2005-10-02-InvokeSimplify.ll
Update tests to new EH model. Add landingpad instructions to landing pads.
2011-08-29 20:39:23 +00:00
2005-12-03-IncorrectPHIFold.ll
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2006-02-17-InfiniteUnroll.ll
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2006-06-12-InfLoop.ll
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2006-08-03-Crash.ll
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2006-10-19-UncondDiv.ll
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2006-10-29-InvokeCrash.ll
Try to eliminate the use of the 'unwind' instruction.
2011-09-02 22:41:11 +00:00
2006-12-08-Ptr-ICmp-Branch.ll
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2007-11-22-InvokeNoUnwind.ll
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2007-12-21-Crash.ll
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2008-01-02-hoist-fp-add.ll
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2008-05-16-PHIBlockMerge.ll
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2008-07-13-InfLoopMiscompile.ll
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2008-09-08-MultiplePred.ll
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2008-09-17-SpeculativeHoist.ll
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2008-10-03-SpeculativelyExecuteBeforePHI.ll
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2008-12-06-SingleEntryPhi.ll
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2008-12-16-DCECond.ll
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2009-01-18-PHIPropCrash.ll
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2009-01-19-UnconditionalTrappingConstantExpr.ll
Fix SpeculativelyExecuteBB to either speculate all or none of the phis
2012-01-05 23:58:56 +00:00
2009-05-12-externweak.ll
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2009-06-15-InvokeCrash.ll
Try to eliminate the use of the 'unwind' instruction.
2011-09-02 22:41:11 +00:00
2010-03-30-InvokeCrash.ll
Try to eliminate the use of the 'unwind' instruction.
2011-09-02 22:41:11 +00:00
2011-03-08-UnreachableUse.ll
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2011-09-05-TrivialLPad.ll
Delete trivial landing pads that just continue unwinding the caught
2011-09-05 12:57:57 +00:00
basictest.ll
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branch-cond-merge.ll
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branch-cond-prop.ll
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branch-fold-dbg.ll
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branch-fold-test.ll
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branch-fold.ll
SimplifyCFG: fold unconditional branch to its predecessor if profitable.
2012-06-13 05:43:29 +00:00
branch-phi-thread.ll
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BrUnwind.ll
Try to eliminate the use of the 'unwind' instruction.
2011-09-02 22:41:11 +00:00
dbginfo.ll
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dce-cond-after-folding-terminator.ll
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DeadSetCC.ll
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duplicate-phis.ll
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EqualPHIEdgeBlockMerge.ll
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ForwardSwitchConditionToPHI.ll
Fix PR10103: Less code for enum type translation.
2011-06-18 10:28:47 +00:00
hoist-common-code.ll
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hoist-dbgvalue.ll
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HoistCode.ll
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indirectbr.ll
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invoke_unwind.ll
Replace more uses of 'unwind' in the tests with calls to landingpad and
2011-09-19 22:11:35 +00:00
iterative-simplify.ll
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lifetime.ll
Add r134057 back, but splice the predecessor after the successors phi
2011-06-30 20:14:24 +00:00
lit.local.cfg
Replace all instances of dg.exp file with lit.local.cfg, since all tests are run with LIT now and now Dejagnu. dg.exp is no longer needed.
2012-02-16 06:28:33 +00:00
MagicPointer.ll
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multiple-phis.ll
Fix SpeculativelyExecuteBB to either speculate all or none of the phis
2012-01-05 23:58:56 +00:00
noreturn-call.ll
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phi-undef-loadstore.ll
SimplifyCFG: If we have a PHI node that can evaluate to NULL and do a load or store to the address returned by the PHI node then we can consider this incoming value as dead and remove the edge pointing there, unless there are instructions that can affect control flow executed in between.
2011-08-26 01:22:29 +00:00
PhiBlockMerge2.ll
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PhiBlockMerge.ll
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PhiEliminate2.ll
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PhiEliminate3.ll
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PhiEliminate.ll
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PhiNoEliminate.ll
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PR9946.ll
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preserve-branchweights.ll
FileCheck hygiene.
2012-01-05 00:43:34 +00:00
return-merge.ll
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select-gep.ll
Fix SpeculativelyExecuteBB to either speculate all or none of the phis
2012-01-05 23:58:56 +00:00
speculate-with-offset.ll
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SpeculativeExec.ll
Revert r56315. When the instruction to speculate is a load, this
2012-01-05 22:54:35 +00:00
switch_create.ll
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switch_switch_fold.ll
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switch_thread.ll
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switch-masked-bits.ll
Fix SpeculativelyExecuteBB to either speculate all or none of the phis
2012-01-05 23:58:56 +00:00
switch-on-const-select.ll
Fix SpeculativelyExecuteBB to either speculate all or none of the phis
2012-01-05 23:58:56 +00:00
switch-simplify-crash.ll
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switch-to-icmp.ll
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trap-debugloc.ll
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trapping-load-unreachable.ll
Update SimplifyCFG for atomic operations.
2011-08-15 23:59:28 +00:00
two-entry-phi-return.ll
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UncondBranchToReturn.ll
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unreachable-blocks.ll
Make Value::isDereferenceablePointer() handle unreachable code blocks. (This
2012-01-23 00:05:17 +00:00
UnreachableEliminate.ll
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