Arnaud A. de Grandmaison beeec3231e Fix tail recursion elimination ... When the BasicBlock containing the return instrution has a PHI with 2 incoming values, FoldReturnIntoUncondBranch will remove the no longer used incoming value and remove the no longer needed phi as well. This leaves us with a BB that no longer has a PHI, but the subsequent call to FoldReturnIntoUncondBranch from FoldReturnAndProcessPred will not remove the return instruction (which still uses the result of the call instruction). This prevents EliminateRecursiveTailCall to remove the value, as it is still being used in a basicblock which has no predecessors. The basicblock can not be erased on the spot, because its iterator is still being used in runTRE. This issue was exposed when removing the threshold on size for lifetime marker insertion for named temporaries in clang. The testcase is a much reduced version of peelOffOuterExpr(const Expr*, const ExplodedNode *) from clang/lib/StaticAnalyzer/Core/BugReporterVisitors.cpp. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@222354 91177308-0d34-0410-b5e6-96231b3b80d8		2014-11-19 13:32:51 +00:00
..
ADCE.cpp	Update SetVector to rely on the underlying set's insert to return a pair<iterator, bool>	2014-11-19 07:49:26 +00:00
AlignmentFromAssumptions.cpp	[AlignmentFromAssumptions] Don't crash just because the target is 32-bit	2014-09-11 08:40:17 +00:00
CMakeLists.txt	Add an AlignmentFromAssumptions Pass	2014-09-07 20:05:11 +00:00
ConstantHoisting.cpp	Remove unnecessary copying or replace it with moves in a bunch of places.	2014-10-04 16:55:56 +00:00
ConstantProp.cpp	[C++] Use 'nullptr'. Transforms edition.	2014-04-25 05:29:35 +00:00
CorrelatedValuePropagation.cpp	Make use of @llvm.assume from LazyValueInfo	2014-09-07 20:29:59 +00:00
DCE.cpp	[Modules] Fix potential ODR violations by sinking the DEBUG_TYPE	2014-04-22 02:55:47 +00:00
DeadStoreElimination.cpp	[DSE] Remove no-data-layout-only type-based overlap checking	2014-10-17 11:56:00 +00:00
EarlyCSE.cpp	Tweak EarlyCSE to recognize series of dead stores	2014-11-18 17:46:32 +00:00
FlattenCFGPass.cpp	[Modules] Fix potential ODR violations by sinking the DEBUG_TYPE	2014-04-22 02:55:47 +00:00
GVN.cpp	Revert r222039 because of bot failure.	2014-11-19 00:13:26 +00:00
IndVarSimplify.cpp	Update SetVector to rely on the underlying set's insert to return a pair<iterator, bool>	2014-11-19 07:49:26 +00:00
JumpThreading.cpp	Update SetVector to rely on the underlying set's insert to return a pair<iterator, bool>	2014-11-19 07:49:26 +00:00
LICM.cpp	Introduce enum values for previously defined metadata types. (NFC)	2014-10-21 00:13:20 +00:00
LLVMBuild.txt	ScalarOpts/LLVMBuild.txt: Prune unused dependency to IPA.	2014-09-09 15:00:38 +00:00
LoadCombine.cpp	Use AA in LoadCombine	2014-11-03 23:19:16 +00:00
LoopDeletion.cpp	Use range based for loops to avoid needing to re-mention SmallPtrSet size.	2014-08-24 23:23:06 +00:00
LoopIdiomRecognize.cpp	Remove extra whitespace in function declaration. No functionality change.	2014-06-14 03:48:29 +00:00
LoopInstSimplify.cpp	Update SetVector to rely on the underlying set's insert to return a pair<iterator, bool>	2014-11-19 07:49:26 +00:00
LoopRerollPass.cpp	Reformat partially, where I touched for whitespace changes.	2014-10-28 11:54:52 +00:00
LoopRotation.cpp	Do not simplifyLatch for loops where hoisting increments couldresult in extra live range interferance	2014-10-29 20:19:47 +00:00
LoopStrengthReduce.cpp	Update SetVector to rely on the underlying set's insert to return a pair<iterator, bool>	2014-11-19 07:49:26 +00:00
LoopUnrollPass.cpp	[SCEV] Add some asserts to the recently improved trip count computation	2014-10-11 00:12:11 +00:00
LoopUnswitch.cpp	Add functions for finding ephemeral values	2014-09-07 13:49:57 +00:00
LowerAtomic.cpp	IR: add "cmpxchg weak" variant to support permitted failure.	2014-06-13 14:24:07 +00:00
Makefile
MemCpyOptimizer.cpp	Allow call-slop optzn for destinations with a suitable dereferenceable attribute	2014-10-16 19:43:08 +00:00
MergedLoadStoreMotion.cpp	Use Alias Analysis to hoist 2 loads from diamond to the common predecessor basic block.	2014-11-02 08:03:05 +00:00
PartiallyInlineLibCalls.cpp	PartiallyInlineLibCalls: Check sqrt result type before transforming it.	2014-08-01 23:21:21 +00:00
Reassociate.cpp	Update SetVector to rely on the underlying set's insert to return a pair<iterator, bool>	2014-11-19 07:49:26 +00:00
Reg2Mem.cpp	[Modules] Fix potential ODR violations by sinking the DEBUG_TYPE	2014-04-22 02:55:47 +00:00
SampleProfile.cpp	Update SetVector to rely on the underlying set's insert to return a pair<iterator, bool>	2014-11-19 07:49:26 +00:00
Scalar.cpp	[C API] Make the 'lower switch' pass available via the C API.	2014-09-11 21:32:32 +00:00
Scalarizer.cpp	Revert "IR: MDNode => Value"	2014-11-11 21:30:22 +00:00
ScalarReplAggregates.cpp	Update SetVector to rely on the underlying set's insert to return a pair<iterator, bool>	2014-11-19 07:49:26 +00:00
SCCP.cpp	Update SetVector to rely on the underlying set's insert to return a pair<iterator, bool>	2014-11-19 07:49:26 +00:00
SeparateConstOffsetFromGEP.cpp	[SeparateConstOffsetFromGEP] Allow SeparateConstOffsetFromGEP pass to lower GEPs.	2014-11-19 06:24:44 +00:00
SimplifyCFGPass.cpp	[SimplifyCFG] threshold for folding branches with common destination	2014-09-30 22:23:38 +00:00
Sink.cpp	Use range based for loops to avoid needing to re-mention SmallPtrSet size.	2014-08-24 23:23:06 +00:00
SROA.cpp	Update SetVector to rely on the underlying set's insert to return a pair<iterator, bool>	2014-11-19 07:49:26 +00:00
StructurizeCFG.cpp	Revert "[C++11] Add predecessors(BasicBlock *) / successors(BasicBlock *) iterator ranges."	2014-07-21 17:06:51 +00:00
TailRecursionElimination.cpp	Fix tail recursion elimination	2014-11-19 13:32:51 +00:00