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c29db84419592e98e71a08d1a9fb04a3d6b51a0c
llvm-project/llvm/test/Transforms/LoopUnswitch
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Owen Anderson 2c9978b12b Teach LoopUnswitch not to perform non-trivial unswitching on loops containing convergent operations. 
Doing so could cause the post-unswitching convergent ops to be
control-dependent on the unswitch condition where they were not before.
This check could be refined to allow unswitching where the convergent
operation was already control-dependent on the unswitch condition.

llvm-svn: 249874
2015-10-09 18:40:20 +00:00
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2006-06-13-SingleEntryPHI.ll
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2006-06-27-DeadSwitchCase.ll
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2007-05-09-tl.ll
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2007-05-09-Unreachable.ll
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2007-07-12-ExitDomInfo.ll
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2007-07-13-DomInfo.ll
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2007-07-18-DomInfo.ll
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2007-08-01-Dom.ll
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2007-08-01-LCSSA.ll
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2007-10-04-DomFrontier.ll
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2008-06-02-DomInfo.ll
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2008-06-17-DomFrontier.ll
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2008-11-03-Invariant.ll
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2010-11-18-LCSSA.ll
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2011-06-02-CritSwitch.ll
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2011-09-26-EHCrash.ll
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2011-11-18-SimpleSwitch.ll
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2011-11-18-TwoSwitches-Threshold.ll
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2011-11-18-TwoSwitches.ll
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2012-04-02-IndirectBr.ll
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2012-04-30-LoopUnswitch-LPad-Crash.ll
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2012-05-20-Phi.ll
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2015-06-17-Metadata.ll
Fix PR13851: Preserve metadata for the unswitched branch
2015-06-23 05:31:09 +00:00
2015-09-18-Addrspace.ll
Remove handling of AddrSpaceCast in stripAndAccumulateInBoundsConstantOffsets
2015-09-23 19:48:43 +00:00
basictest.ll
Teach LoopUnswitch not to perform non-trivial unswitching on loops containing convergent operations.
2015-10-09 18:40:20 +00:00
cold-loop.ll
[LoopUnswitch] Add block frequency analysis to recognize hot/cold regions
2015-09-29 05:03:32 +00:00
copy-metadata.ll
[LoopUnswitch] Preserve make.implicit metadata for unswitched conditions
2015-08-05 21:13:26 +00:00
crash.ll
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infinite-loop.ll
[LoopUnswitch] Improve loop unswitch pass to find trivial unswitch conditions more effectively
2015-07-25 03:21:06 +00:00
LIV-loop-condtion.ll
[LoopUnswitch] Code refactoring to separate trivial loop unswitch and non-trivial loop unswitch in processCurrentLoop()
2015-07-22 05:26:29 +00:00
preserve-analyses.ll
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trivial-unswitch.ll
[LoopUnswitch] Improve loop unswitch pass to find trivial unswitch conditions more effectively
2015-07-25 03:21:06 +00:00