Wei Mi 0488e47901 [LoopUnswitch] Fix a simple bug which disables loop unswitch for select statement ...

This is to fix PR34257. rL309059 takes an early return when FindLIVLoopCondition
fails to find a loop invariant condition. This is wrong and it will disable loop
unswitch for select. The patch fixes the bug.

Differential Revision: https://reviews.llvm.org/D36985


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@312045 91177308-0d34-0410-b5e6-96231b3b80d8

2017-08-29 21:45:11 +00:00

..

AMDGPU

AMDGPU: Mark all unspecified CC functions in tests as amdgpu_kernel

2017-03-21 21:39:51 +00:00

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

Revert "[SCEV] Enable SCEV verification by default in EXPENSIVE_CHECKS builds"

2017-04-24 02:35:19 +00:00

2010-11-18-LCSSA.ll

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2011-06-02-CritSwitch.ll

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2011-09-26-EHCrash.ll

Remove the ScalarReplAggregates pass

2016-06-15 00:19:09 +00:00

2011-11-18-SimpleSwitch.ll

[LoopSimplify] Re-instate r306081 with a bug fix w.r.t. indirectbr.

2017-06-25 22:45:31 +00:00

2011-11-18-TwoSwitches-Threshold.ll

[LoopSimplify] Re-instate r306081 with a bug fix w.r.t. indirectbr.

2017-06-25 22:45:31 +00:00

2011-11-18-TwoSwitches.ll

[LoopSimplify] Re-instate r306081 with a bug fix w.r.t. indirectbr.

2017-06-25 22:45:31 +00:00

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

[SimplifyCFG] Defer folding unconditional branches to LateSimplifyCFG if it can destroy canonical loop structure.

2017-07-19 08:53:34 +00:00

2015-09-18-Addrspace.ll

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basictest.ll

Fix a bug when unswitching on partial LIV for SwitchInst

2017-02-27 18:00:13 +00:00

cleanuppad.ll

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copy-metadata.ll

[LoopUnswitch] Fix a test case

2017-04-11 04:11:47 +00:00

crash.ll

Remove unused arguments. NFCI

2017-03-19 15:31:16 +00:00

elseif-non-exponential-behavior.ll

[Loop Unswitch] Patch to selective unswitch only the reachable branch instructions.

2016-11-25 14:07:44 +00:00

exponential-behavior.ll

[LoopUnswitch] Avoid exponential behavior

2016-06-25 01:14:19 +00:00

guards.ll

[LoopUnswitch] Unswitch on conditions feeding into guards

2016-06-26 05:10:45 +00:00

infinite-loop.ll

[SimplifyCFG] Defer folding unconditional branches to LateSimplifyCFG if it can destroy canonical loop structure.

2017-07-19 08:53:34 +00:00

LIV-loop-condtion.ll

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msan.ll

Add a missing test.

2016-06-14 21:24:13 +00:00

pr32818.ll

[LoopUnswitch] Don't remove instructions with side effects.

2017-04-29 00:12:18 +00:00

preserve-analyses.ll

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simplify-with-nonvalness.ll

LoopUnswitch - Simplify based on known not to a be constant.

2017-02-23 23:42:19 +00:00

trivial-unswitch.ll

Constant fold switch inst when looking for trivial conditions to unswitch on.

2017-01-27 01:42:20 +00:00

unswitch-equality-undef.ll

Add "REQUIRES: asserts" for test unswitch-equality-undef.ll.

2017-07-26 01:34:46 +00:00

unswitch-select.ll

[LoopUnswitch] Fix a simple bug which disables loop unswitch for select statement

2017-08-29 21:45:11 +00:00