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Chen Li 78bde83003 [SplitLandingPadPredecessors] Create a PHINode for the original landingpad only if it has some uses 
Summary: This patch adds a check in SplitLandingPadPredecessors to see if the original landingpad instruction has any uses. If not, we don't need to create a PHINode for it in the joint block since it's gonna be a dead code anyway. The motivation for this patch is that we found a bug that SplitLandingPadPredecessors created a PHINode of token type landingpad, which failed the verifier since PHINode can not be token type. However, the created PHINode will never be used in our code pattern. This patch will workaround this bug, and we might add supports in SplitLandingPadPredecessors to handle token type landingpad with uses in the future.

Reviewers: reames

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D15835

llvm-svn: 256972
 		2016-01-06 20:32:05 +00:00
..
ADCE [PM] Port ADCE to the new pass manager 2015-10-30 23:13:18 +00:00
AddDiscriminators Reimplement discriminator assignment algorithm. 2015-11-19 19:53:05 +00:00
AlignmentFromAssumptions Revert "Change memcpy/memset/memmove to have dest and source alignments." 2015-11-19 05:56:52 +00:00
ArgumentPromotion DI: Reverse direction of subprogram -> function edge. 2015-11-05 22:03:56 +00:00
AtomicExpand [IR] Add support for floating pointer atomic loads and stores 2015-12-16 00:49:36 +00:00
BBVectorize Have a single way for creating unique value names. 2015-11-22 00:16:24 +00:00
BDCE
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BranchFolding Move branch folding test to a better location. 2015-12-03 19:41:25 +00:00
CodeExtractor
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CodeGenPrepare [gc.statepoint] Change gc.statepoint intrinsic's return type to token type instead of i32 type 2015-12-26 07:54:32 +00:00
ConstProp IR: Make ConstantDataArray::getFP actually return a ConstantDataArray 2015-12-09 21:21:07 +00:00
ConstantHoisting
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ConstantMerge [opaque pointer type] Add textual IR support for explicit type parameter for global aliases 2015-09-11 03:22:04 +00:00
CorrelatedValuePropagation Revert "Change memcpy/memset/memmove to have dest and source alignments." 2015-11-19 05:56:52 +00:00
CrossDSOCFI Cross-DSO control flow integrity (LLVM part). 2015-12-15 23:00:08 +00:00
DeadArgElim [OperandBundles] Have DeadArgElim play nice with operand bundles 2015-12-23 09:58:36 +00:00
DeadStoreElimination Revert r255247, r255265, and r255286 due to serious compile-time regressions. 2015-12-11 18:39:41 +00:00
EarlyCSE Fix several accidental DOS line endings in source files 2016-01-03 17:22:03 +00:00
EliminateAvailableExternally Don't change the visibility when converting a definition to a declaration. 2015-07-13 14:18:22 +00:00
Float2Int [Float2Int] Don't operate on vector instructions 2015-12-09 21:08:18 +00:00
ForcedFunctionAttrs [attrs] Split off the forced attributes utility into its own pass that 2015-12-27 08:13:45 +00:00
FunctionAttrs [attrs] Extract the pure inference of function attributes into 2015-12-27 08:41:34 +00:00
FunctionImport [ThinLTO] Metadata linking for imported functions 2015-12-17 17:14:09 +00:00
GCOVProfiling DI: Reverse direction of subprogram -> function edge. 2015-11-05 22:03:56 +00:00
GVN [IR] Reformulate LLVM's EH funclet IR 2015-12-12 05:38:55 +00:00
GlobalDCE [opaque pointer type] Add textual IR support for explicit type parameter for global aliases 2015-09-11 03:22:04 +00:00
GlobalOpt Also add unnamed_addr to functions. 2015-12-22 20:43:30 +00:00
IPConstantProp
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IRCE
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IndVarSimplify [IndVars] Have getInsertPointForUses preserve LCSSA 2015-12-08 00:13:21 +00:00
InferFunctionAttrs [BasicAA] Remove special casing of memset_pattern16 in favor of generic attribute inference 2016-01-06 04:53:16 +00:00
Inline Determine callee's hotness and adjust threshold based on that. NFC. 2015-12-22 00:32:35 +00:00
InstCombine [LibCallSimplifier] use instruction-level fast-math-flags for tan/atan transform 2016-01-06 19:23:35 +00:00
InstMerge
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InstSimplify [MemoryBuiltins] Remove isOperatorNewLike by consolidating non-null inference handling 2016-01-04 22:49:23 +00:00
Internalize [opaque pointer type] Add textual IR support for explicit type parameter for global aliases 2015-09-11 03:22:04 +00:00
JumpThreading [JumpThreading] Fix opcode bonus in getJumpThreadDuplicationCost() 2015-12-29 18:10:16 +00:00
LCSSA [WinEH] Update LCSSA to handle catchswitch with handlers inside and outside a loop 2015-12-18 18:12:35 +00:00
LICM [LICM] Fix a small oversight introduced in r256763 2016-01-04 23:16:22 +00:00
LoadCombine
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LoopDeletion
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LoopDistribute Allow LLE/LD and the loop versioning infrastructure to use SCEV predicates 2015-11-09 13:26:09 +00:00
LoopIdiom Revert "Change memcpy/memset/memmove to have dest and source alignments." 2015-11-19 05:56:52 +00:00
LoopInterchange
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LoopLoadElim Allow LLE/LD and the loop versioning infrastructure to use SCEV predicates 2015-11-09 13:26:09 +00:00
LoopReroll DI: Reverse direction of subprogram -> function edge. 2015-11-05 22:03:56 +00:00
LoopRotate DI: Reverse direction of subprogram -> function edge. 2015-11-05 22:03:56 +00:00
LoopSimplify DI: Reverse direction of subprogram -> function edge. 2015-11-05 22:03:56 +00:00
LoopStrengthReduce [IR] Remove terminatepad 2015-12-14 18:34:23 +00:00
LoopUnroll AMDGPU: Switch barrier intrinsics to using convergent 2015-12-19 01:46:41 +00:00
LoopUnswitch [IR] Reformulate LLVM's EH funclet IR 2015-12-12 05:38:55 +00:00
LoopVectorize [LoopVectorizer] Refine loop vectorizer's register usage calculator by ignoring specific instructions. 2015-12-15 22:45:09 +00:00
LowerAtomic
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LowerBitSets [cfi] Fix LowerBitSets on 32-bit targets. 2015-12-21 22:14:04 +00:00
LowerExpectIntrinsic [PM] Port StripDeadPrototypes to the new pass manager 2015-10-30 23:28:12 +00:00
LowerInvoke
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LowerSwitch Have a single way for creating unique value names. 2015-11-22 00:16:24 +00:00
Mem2Reg [Mem2Reg] Respect optnone 2015-12-11 13:36:59 +00:00
MemCpyOpt Promote aggregate store to memset when possible 2016-01-06 19:47:24 +00:00
MergeFunc [IR] Remove terminatepad 2015-12-14 18:34:23 +00:00
MetaRenamer Revert "Change memcpy/memset/memmove to have dest and source alignments." 2015-11-19 05:56:52 +00:00
NaryReassociate [NaryReassociate] allow candidate to have a different type 2015-12-18 21:36:30 +00:00
ObjCARC Revert "Change memcpy/memset/memmove to have dest and source alignments." 2015-11-19 05:56:52 +00:00
PGOProfile [PGO] make profile prefix even shorter and more readable 2015-12-15 00:32:56 +00:00
PartiallyInlineLibCalls
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PhaseOrdering
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PlaceSafepoints [Statepoints] Check for the "gc-leaf-function" attribute on call sites as well. 2016-01-05 23:59:08 +00:00
PruneEH [OperandBundles] Have PruneEH work correct with operand bundles. 2015-12-08 23:16:52 +00:00
Reassociate Remove dead instructions before Redoing 2016-01-04 19:48:14 +00:00
Reg2Mem
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RewriteStatepointsForGC [SplitLandingPadPredecessors] Create a PHINode for the original landingpad only if it has some uses 2016-01-06 20:32:05 +00:00
SCCP [opaque pointer type] Add textual IR support for explicit type parameter for global aliases 2015-09-11 03:22:04 +00:00
SLPVectorizer [NFC] Update horizontal reduction test cases. 2015-12-16 17:22:24 +00:00
SROA Revert "Change memcpy/memset/memmove to have dest and source alignments." 2015-11-19 05:56:52 +00:00
SafeStack [safestack] Add option for non-TLS unsafe stack pointer. 2015-12-22 00:13:11 +00:00
SampleProfile SamplePGO - Add initial support for inliner annotations. 2015-11-27 23:14:51 +00:00
ScalarRepl Revert "Change memcpy/memset/memmove to have dest and source alignments." 2015-11-19 05:56:52 +00:00
Scalarizer DI: Reverse direction of subprogram -> function edge. 2015-11-05 22:03:56 +00:00
SeparateConstOffsetFromGEP [SeparateConstOffsetFromGEP] sext(a)+sext(b) => sext(a+b) when a+b can't sign-overflow. 2015-08-14 02:02:05 +00:00
SimplifyCFG [SimplifyCFG] Further improve our ability to remove redundant catchpads 2016-01-05 07:42:17 +00:00
Sink [IR] Reformulate LLVM's EH funclet IR 2015-12-12 05:38:55 +00:00
SpeculativeExecution
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StraightLineStrengthReduce [SeparateConstOffsetFromGEP] strengthen the inbounds attribute 2015-08-13 18:48:49 +00:00
StripDeadPrototypes [PM] Port StripDeadPrototypes to the new pass manager 2015-10-30 23:28:12 +00:00
StripSymbols DI: Reverse direction of subprogram -> function edge. 2015-11-05 22:03:56 +00:00
StructurizeCFG Fix CHECK directives that weren't checking. 2015-08-31 21:10:35 +00:00
TailCallElim [OperandBundles] Have TailCallElim play nice with operand bundles 2015-12-23 09:58:43 +00:00
TailDup
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Util Clean up the processing of dbg.value in various places 2015-12-19 02:02:44 +00:00