Chen Li e4ebcc71ab [SimplifyCFG] Extend SimplifyResume to handle phi of trivial landing pad. ...

Summary:
This is a fix of D13718. D13718 was committed but then reverted because of the following bug:
https://llvm.org/bugs/show_bug.cgi?id=25299

This patch fixes the issue shown in the bug.

Reviewers: majnemer, reames

Subscribers: jevinskie, llvm-commits

Differential Revision: http://reviews.llvm.org/D14308

llvm-svn: 257277

2016-01-10 05:48:01 +00:00

..

AArch64

[AArch64] add overrides for isCheapToSpeculateCttz() and isCheapToSpeculateCtlz()

2015-11-10 18:11:37 +00:00

AMDGPU

AMDGPU: Fix some places missed in rename

2015-06-19 17:39:03 +00:00

ARM

[ARM] add overrides for isCheapToSpeculateCttz() and isCheapToSpeculateCtlz()

2015-11-10 19:24:31 +00:00

Mips

[MIPS] add overrides for isCheapToSpeculateCttz() and isCheapToSpeculateCtlz()

2015-11-11 17:24:56 +00:00

PowerPC

[CodeGenPrepare] Removed duplicate logic. SimplifyCFG already knows how to speculate calls to cttz/ctlz.

2015-02-13 14:15:48 +00:00

SPARC

Reduce verbiage of lit.local.cfg files

2014-06-09 22:42:55 +00:00

X86

[SimplifyCFG] allow speculation of exactly one expensive instruction (PR24818)

2015-12-15 17:38:29 +00:00

2002-05-21-PHIElimination.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

Move the personality function from LandingPadInst to Function

2015-06-17 20:52:32 +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

[opaque pointer type] Add textual IR support for explicit type parameter to gep operator

2015-03-13 18:20:45 +00:00

2003-08-17-FoldSwitch.ll

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2004-12-10-SimplifyCFGCrash.ll

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2005-06-16-PHICrash.ll

[opaque pointer type] Add textual IR support for explicit type parameter to load instruction

2015-02-27 21:17:42 +00:00

2005-08-01-PHIUpdateFail.ll

[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction

2015-02-27 19:29:02 +00:00

2005-10-02-InvokeSimplify.ll

Move the personality function from LandingPadInst to Function

2015-06-17 20:52:32 +00:00

2005-12-03-IncorrectPHIFold.ll

[opaque pointer type] Add textual IR support for explicit type parameter to load instruction

2015-02-27 21:17:42 +00:00

2006-02-17-InfiniteUnroll.ll

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2006-06-12-InfLoop.ll

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2006-08-03-Crash.ll

[opaque pointer type] Add textual IR support for explicit type parameter to load instruction

2015-02-27 21:17:42 +00:00

2006-10-19-UncondDiv.ll

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2006-12-08-Ptr-ICmp-Branch.ll

[opaque pointer type] Add textual IR support for explicit type parameter to load instruction

2015-02-27 21:17:42 +00:00

2007-11-22-InvokeNoUnwind.ll

Move the personality function from LandingPadInst to Function

2015-06-17 20:52:32 +00:00

2007-12-21-Crash.ll

[opaque pointer type] Add textual IR support for explicit type parameter to the call instruction

2015-04-16 23:24:18 +00:00

2008-01-02-hoist-fp-add.ll

[opaque pointer type] Add textual IR support for explicit type parameter to load instruction

2015-02-27 21:17:42 +00:00

2008-05-16-PHIBlockMerge.ll

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2008-07-13-InfLoopMiscompile.ll

[opaque pointer type] Add textual IR support for explicit type parameter to the call instruction

2015-04-16 23:24:18 +00:00

2008-09-08-MultiplePred.ll

[opaque pointer type] Add textual IR support for explicit type parameter to load instruction

2015-02-27 21:17:42 +00:00

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

[opaque pointer type] Add textual IR support for explicit type parameter to the call instruction

2015-04-16 23:24:18 +00:00

2009-01-18-PHIPropCrash.ll

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2009-01-19-UnconditionalTrappingConstantExpr.ll

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2009-05-12-externweak.ll

[opaque pointer type] Add textual IR support for explicit type parameter to load instruction

2015-02-27 21:17:42 +00:00

2010-03-30-InvokeCrash.ll

Move the personality function from LandingPadInst to Function

2015-06-17 20:52:32 +00:00

2011-03-08-UnreachableUse.ll

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2011-09-05-TrivialLPad.ll

Move the personality function from LandingPadInst to Function

2015-06-17 20:52:32 +00:00

assume.ll

Add @llvm.assume, lowering, and some basic properties

2014-07-25 21:13:35 +00:00

attr-noduplicate.ll

[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction

2015-02-27 19:29:02 +00:00

basictest.ll

DI: Require subprogram definitions to be distinct

2015-08-28 20:26:49 +00:00

branch-cond-merge.ll

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branch-cond-prop.ll

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branch-fold-dbg.ll

DI: Reverse direction of subprogram -> function edge.

2015-11-05 22:03:56 +00:00

branch-fold-test.ll

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branch-fold-threshold.ll

[opaque pointer type] Add textual IR support for explicit type parameter to load instruction

2015-02-27 21:17:42 +00:00

branch-fold.ll

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branch-phi-thread.ll

[opaque pointer type] Add textual IR support for explicit type parameter to load instruction

2015-02-27 21:17:42 +00:00

BrUnwind.ll

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bug-25299.ll

[SimplifyCFG] Extend SimplifyResume to handle phi of trivial landing pad.

2016-01-10 05:48:01 +00:00

clamp.ll

[SimplifyCFG] Add test for r229099

2015-02-13 11:08:40 +00:00

common-dest-folding.ll

[opaque pointer type] Add textual IR support for explicit type parameter to the call instruction

2015-04-16 23:24:18 +00:00

CoveredLookupTable.ll

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dbginfo.ll

[opaque pointer type] Add textual IR support for explicit type parameter to load instruction

2015-02-27 21:17:42 +00:00

dce-cond-after-folding-terminator.ll

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DeadSetCC.ll

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duplicate-landingpad.ll

Move the personality function from LandingPadInst to Function

2015-06-17 20:52:32 +00:00

duplicate-phis.ll

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empty-catchpad.ll

[WinEH] Simplify unreachable catchpads

2016-01-05 02:37:41 +00:00

empty-cleanuppad.ll

[IR] Remove terminatepad

2015-12-14 18:34:23 +00:00

EmptyBlockMerge.ll

[opaque pointer type] Add textual IR support for explicit type parameter to load instruction

2015-02-27 21:17:42 +00:00

EqualPHIEdgeBlockMerge.ll

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extract-cost.ll

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ForwardSwitchConditionToPHI.ll

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hoist-common-code.ll

[opaque pointer type] Add textual IR support for explicit type parameter to load instruction

2015-02-27 21:17:42 +00:00

hoist-dbgvalue.ll

DI: Reverse direction of subprogram -> function edge.

2015-11-05 22:03:56 +00:00

hoist-with-range.ll

[opaque pointer type] Add textual IR support for explicit type parameter to load instruction

2015-02-27 21:17:42 +00:00

HoistCode.ll

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implied-cond.ll

[SimplifyCFG] Constant fold a branch implied by it's incoming edge

2015-10-29 03:11:49 +00:00

indirectbr.ll

[opaque pointer type] Add textual IR support for explicit type parameter to load instruction

2015-02-27 21:17:42 +00:00

invoke_unwind.ll

[SimplifyCFG] Extend SimplifyResume to handle phi of trivial landing pad.

2016-01-10 05:48:01 +00:00

invoke.ll

Move the personality function from LandingPadInst to Function

2015-06-17 20:52:32 +00:00

iterative-simplify.ll

[opaque pointer type] Add textual IR support for explicit type parameter to load instruction

2015-02-27 21:17:42 +00:00

lifetime.ll

SimplifyCFG: Avoid miscompilations due to removed lifetime intrinsics.

2014-07-30 21:04:00 +00:00

MagicPointer.ll

[opaque pointer type] Add textual IR support for explicit type parameter to gep operator

2015-03-13 18:20:45 +00:00

merge-cond-stores-2.ll

[SimplifyCFG] Don't create unnecessary PHIs

2015-12-16 14:12:44 +00:00

merge-cond-stores.ll

Revert "Don't create unnecessary PHIs"

2015-12-14 22:36:57 +00:00

multiple-phis.ll

[opaque pointer type] Add textual IR support for explicit type parameter to load instruction

2015-02-27 21:17:42 +00:00

no_speculative_loads_with_asan.ll

[asan] Disabling speculative loads under asan. Patch by Mike Aizatsky

2015-10-14 00:21:05 +00:00

no_speculative_loads_with_tsan.ll

[opaque pointer type] Add textual IR support for explicit type parameter to load instruction

2015-02-27 21:17:42 +00:00

noreturn-call.ll

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phi-undef-loadstore.ll

[opaque pointer type] Add textual IR support for explicit type parameter to load instruction

2015-02-27 21:17:42 +00:00

PhiBlockMerge2.ll

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PhiBlockMerge.ll

[SimplifyCFG] Swap to using TargetTransformInfo for cost

2015-02-11 12:15:41 +00:00

PhiEliminate2.ll

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PhiEliminate3.ll

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PhiEliminate.ll

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PHINode.ll

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PhiNoEliminate.ll

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PR9946.ll

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PR16069.ll

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PR17073.ll

[opaque pointer type] Add textual IR support for explicit type parameter to load instruction

2015-02-27 21:17:42 +00:00

PR25267.ll

[SimplifyCFG] Don't use-after-free an SSA value

2015-10-21 18:22:24 +00:00

preserve-branchweights-partial.ll

IR: Make metadata typeless in assembly

2014-12-15 19:07:53 +00:00

preserve-branchweights-switch-create.ll

IR: Make metadata typeless in assembly

2014-12-15 19:07:53 +00:00

preserve-branchweights.ll

[opaque pointer type] Add textual IR support for explicit type parameter to load instruction

2015-02-27 21:17:42 +00:00

preserve-load-metadata-2.ll

Preserve load alignment and dereferenceable metadata during some transformations

2015-11-02 17:53:51 +00:00

preserve-load-metadata-3.ll

Preserve load alignment and dereferenceable metadata during some transformations

2015-11-02 17:53:51 +00:00

preserve-load-metadata.ll

Preserve load alignment and dereferenceable metadata during some transformations

2015-11-02 17:53:51 +00:00

preserve-make-implicit-on-switch-to-br.ll

[ConstantFoldTerminator] Preserve make.implicit metadata when converting SwitchInst to BranchInst

2015-08-07 19:30:12 +00:00

return-merge.ll

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seh-nounwind.ll

Move the personality function from LandingPadInst to Function

2015-06-17 20:52:32 +00:00

select-gep.ll

[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction

2015-02-27 19:29:02 +00:00

sink-common-code.ll

[SimplifyCFG] Revise common code sinking

2014-12-23 08:26:55 +00:00

speculate-math.ll

[SimplifyCFG] allow speculation of exactly one expensive instruction (PR24818)

2015-12-15 17:38:29 +00:00

speculate-store.ll

[opaque pointer type] Add textual IR support for explicit type parameter to load instruction

2015-02-27 21:17:42 +00:00

speculate-vector-ops.ll

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speculate-with-offset.ll

[opaque pointer type] Add textual IR support for explicit type parameter to load instruction

2015-02-27 21:17:42 +00:00

SpeculativeExec.ll

Revert "Revert "Strip metadata when speculatively hoisting instructions (r252604)"

2015-11-18 14:50:18 +00:00

statepoint-invoke-unwind.ll

[gc.statepoint] Change gc.statepoint intrinsic's return type to token type instead of i32 type

2015-12-26 07:54:32 +00:00

switch_create.ll

[opaque pointer type] Add textual IR support for explicit type parameter to load instruction

2015-02-27 21:17:42 +00:00

switch_switch_fold.ll

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switch_thread.ll

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switch-dead-default.ll

[SimplifyCFG] Use known bits to eliminate dead switch defaults

2015-09-10 17:44:47 +00:00

switch-masked-bits.ll

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switch-on-const-select.ll

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switch-range-to-icmp.ll

SimplifyCFG: don't remove unreachable default switch destinations

2015-01-26 19:52:32 +00:00

switch-simplify-crash.ll

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switch-to-br.ll

Add some tests for SimplifyCFG's ConstantFoldTerminator(). NFC.

2014-12-04 22:19:25 +00:00

switch-to-icmp.ll

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switch-to-select-multiple-edge-per-block-phi.ll

[opaque pointer type] Add textual IR support for explicit type parameter to load instruction

2015-02-27 21:17:42 +00:00

switch-to-select-two-case.ll

SimplifyCFG: don't remove unreachable default switch destinations

2015-01-26 19:52:32 +00:00

trap-debugloc.ll

DI: Reverse direction of subprogram -> function edge.

2015-11-05 22:03:56 +00:00

trapping-load-unreachable.ll

[opaque pointer type] Add textual IR support for explicit type parameter to load instruction

2015-02-27 21:17:42 +00:00

two-entry-phi-return.ll

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UncondBranchToReturn.ll

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unreachable-blocks.ll

[opaque pointer type] Add textual IR support for explicit type parameter to load instruction

2015-02-27 21:17:42 +00:00

UnreachableEliminate.ll

Move the personality function from LandingPadInst to Function

2015-06-17 20:52:32 +00:00

volatile-phioper.ll

[opaque pointer type] Add textual IR support for explicit type parameter to the call instruction

2015-04-16 23:24:18 +00:00

wineh-unreachable.ll

[SimplifyCFG] Further improve our ability to remove redundant catchpads

2016-01-05 07:42:17 +00:00