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llvm-capstone/llvm/test/Transforms/SimpleLoopUnswitch
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Daniil Suchkov 706b22e3e4 [SimpleLoopUnswitch] Drop uses of instructions before block deletion 
Currently if instructions defined in a block are used in unreachable
blocks and SimpleLoopUnswitch attempts deleting the block, it triggers
assertion "Uses remain when a value is destroyed!".
This patch fixes it by replacing all uses of instructions from BB with
undefs before BB deletion.

Reviewed By: asbirlea

Differential Revision: https://reviews.llvm.org/D80551
2020-05-27 18:25:18 +07:00
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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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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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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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2015-09-18-Addrspace.ll
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basictest-profmd.ll
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basictest.ll
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cleanuppad.ll
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copy-metadata.ll
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crash.ll
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dead-blocks-uses-in-unreachablel-blocks.ll
[SimpleLoopUnswitch] Drop uses of instructions before block deletion
2020-05-27 18:25:18 +07:00
delete-dead-blocks.ll
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exponential-behavior.ll
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exponential-nontrivial-unswitch2.ll
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exponential-nontrivial-unswitch-nested2.ll
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exponential-nontrivial-unswitch-nested.ll
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exponential-nontrivial-unswitch.ll
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exponential-switch-unswitch.ll
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formDedicatedAfterTrivial1.ll
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formDedicatedAfterTrivial2.ll
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formDedicatedAfterTrivial3.ll
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guards.ll
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infinite-loop.ll
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LIV-loop-condtion.ll
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msan.ll
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nontrivial-unswitch-cost.ll
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nontrivial-unswitch-redundant-switch.ll
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nontrivial-unswitch.ll
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pr37888.ll
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preserve-analyses.ll
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preserve-scev-exiting-multiple-loops.ll
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trivial-unswitch-iteration.ll
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trivial-unswitch-profmd.ll
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trivial-unswitch.ll
[SimpleLoopUnswitch] Add non-empty unreachable block check to exit cases removed.
2020-05-13 12:38:37 -07:00
update-scev.ll
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