Frederic Riss 6eb7964b7d Totally forget deallocated SDNodes in SDDbgInfo. ... What would happen before that commit is that the SDDbgValues associated with a deallocated SDNode would be marked Invalidated, but SDDbgInfo would keep a map entry keyed by the SDNode pointer pointing to this list of invalidated SDDbgNodes. As the memory gets reused, the list might get wrongly associated with another new SDNode. As the SDDbgValues are cloned when they are transfered, this can lead to an exponential number of SDDbgValues being produced during DAGCombine like in http://llvm.org/bugs/show_bug.cgi?id=20893 Note that the previous behavior wasn't really buggy as the invalidation made sure that the SDDbgValues won't be used. This commit can be considered a memory optimization and as such is really hard to validate in a unit-test. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221709 91177308-0d34-0410-b5e6-96231b3b80d8		2014-11-11 21:21:08 +00:00
..
PBQP	[PBQP] Unique allowed-sets for nodes in the PBQP graph and use pairs of these	2014-10-27 17:44:25 +00:00
Analysis.h	Refactor duplicated code.	2014-07-30 19:42:16 +00:00
AsmPrinter.h	Make AsmPrinter::EmitLabelOffsetDifference a static helper and simplify.	2014-10-21 00:25:49 +00:00
CalcSpillWeights.h	[PBQP] Tweak spill costs and coalescing benefits	2014-11-04 20:51:24 +00:00
CallingConvLower.h	Renamed CCState members that appear to misspell 'Processed' as 'Proceed'. NFC.	2014-11-01 19:32:23 +00:00
CommandFlags.h	Add Forward Control-Flow Integrity.	2014-11-11 21:08:02 +00:00
DAGCombine.h
DFAPacketizer.h	Remove the TargetMachine from DFAPacketizer since it was only	2014-10-14 01:03:16 +00:00
EdgeBundles.h
FastISel.h	[FastISel][AArch64] Add lowering support for frem.	2014-09-15 22:07:49 +00:00
ForwardControlFlowIntegrity.h	Add Forward Control-Flow Integrity.	2014-11-11 21:08:02 +00:00
FunctionLoweringInfo.h	Remove uses of the TargetMachine from FunctionLoweringInfo	2014-10-09 00:57:31 +00:00
GCMetadata.h
GCMetadataPrinter.h
GCs.h
GCStrategy.h
IntrinsicLowering.h
ISDOpcodes.h	Add minnum / maxnum codegen	2014-10-21 23:01:01 +00:00
JumpInstrTables.h	Add Forward Control-Flow Integrity.	2014-11-11 21:08:02 +00:00
LatencyPriorityQueue.h
LexicalScopes.h	[DebugInfo] Remove LexicalScopes::isCurrentFunctionScope and CSE a use of LexicalScopes::getCurrentFunctionScope	2014-10-23 00:06:27 +00:00
LinkAllAsmWriterComponents.h
LinkAllCodegenComponents.h
LiveInterval.h
LiveIntervalAnalysis.h	Access the subtarget off of the MachineFunction rather than	2014-10-14 06:26:53 +00:00
LiveIntervalUnion.h
LivePhysRegs.h	Canonicalize header guards into a common format.	2014-08-13 16:26:38 +00:00
LiveRangeEdit.h	Remove unnecessary getTarget call now that the subtarget is cached	2014-09-03 20:36:26 +00:00
LiveRegMatrix.h
LiveStackAnalysis.h
LiveVariables.h	CodeGen/LiveVariables: hoist out code in nested loops	2014-08-25 01:59:49 +00:00
MachineBasicBlock.h	Fix missing const	2014-07-02 06:45:26 +00:00
MachineBlockFrequencyInfo.h
MachineBranchProbabilityInfo.h
MachineCombinerPattern.h	MachineCombiner Pass for selecting faster instruction	2014-08-03 21:35:39 +00:00
MachineConstantPool.h	CodeGen: Add a getSectionKind method to MachineConstantPoolEntry	2014-07-14 22:06:29 +00:00
MachineDominanceFrontier.h	Try to fix MSVC build	2014-07-12 23:09:02 +00:00
MachineDominators.h	[MachineDominatorTree] Provide a method to inform a MachineDominatorTree that a	2014-08-13 21:00:07 +00:00
MachineFrameInfo.h	Replace calls to get the subtarget and TargetFrameLowering with	2014-10-08 08:46:34 +00:00
MachineFunction.h	Remove unused member variable.	2014-10-14 18:53:16 +00:00
MachineFunctionAnalysis.h
MachineFunctionPass.h
MachineInstr.h	Move the complex address expression out of DIVariable and into an extra	2014-10-01 18:55:02 +00:00
MachineInstrBuilder.h	Work around bugs in MSVC "14" CTP 3's conversion logic	2014-10-31 23:19:46 +00:00
MachineInstrBundle.h
MachineJumpTableInfo.h
MachineLoopInfo.h
MachineMemOperand.h	AA metadata refactoring (introduce AAMDNodes)	2014-07-24 12:16:19 +00:00
MachineModuleInfo.h	Move the complex address expression out of DIVariable and into an extra	2014-10-01 18:55:02 +00:00
MachineModuleInfoImpls.h
MachineOperand.h	Add MachineOperand::ChangeToFPImmediate and setFPImm	2014-09-28 19:24:59 +00:00
MachinePassRegistry.h
MachinePostDominators.h	Fix typos in comments, NFC	2014-08-29 21:53:01 +00:00
MachineRegionInfo.h	Templatify RegionInfo so it works on MachineBasicBlocks	2014-07-19 18:29:29 +00:00
MachineRegisterInfo.h	CodeGen: switch raw array to std::vector	2014-08-25 00:28:31 +00:00
MachineScheduler.h	Cleanup: Delete seemingly unused reference to MachineDominatorTree from ScheduleDAGInstrs.	2014-08-20 20:57:26 +00:00
MachineSSAUpdater.h
MachineTraceMetrics.h	Canonicalize header guards into a common format.	2014-08-13 16:26:38 +00:00
MachineValueType.h	Teach the AArch64 backend about v4f16 and v8f16	2014-08-27 16:16:04 +00:00
MachORelocation.h
Passes.h	Add Forward Control-Flow Integrity.	2014-11-11 21:08:02 +00:00
PBQPRAConstraint.h	Add couple of missing 'override' keyword. NFC.	2014-10-10 17:34:30 +00:00
PseudoSourceValue.h
RegAllocPBQP.h	[PBQP] Remove a spurious 'typename' keyword. This was causing an error on MSVC.	2014-10-27 17:59:51 +00:00
RegAllocRegistry.h
RegisterClassInfo.h
RegisterPressure.h	Move remaining LLVM_ENABLE_DUMP conditionals out of the headers	2014-07-01 21:19:13 +00:00
RegisterScavenging.h	Changed the liveness tracking in the RegisterScavenger	2014-08-04 23:07:49 +00:00
ResourcePriorityQueue.h
RuntimeLibcalls.h	Add minnum / maxnum codegen	2014-10-21 23:01:01 +00:00
ScheduleDAG.h
ScheduleDAGInstrs.h	Cleanup: Delete seemingly unused reference to MachineDominatorTree from ScheduleDAGInstrs.	2014-08-20 20:57:26 +00:00
ScheduleDFS.h	Move remaining LLVM_ENABLE_DUMP conditionals out of the headers	2014-07-01 21:19:13 +00:00
ScheduleHazardRecognizer.h
SchedulerRegistry.h
ScoreboardHazardRecognizer.h
SelectionDAG.h	Totally forget deallocated SDNodes in SDDbgInfo.	2014-11-11 21:21:08 +00:00
SelectionDAGISel.h	Cache TargetLowering on SelectionDAGISel and update previous	2014-10-08 07:32:17 +00:00
SelectionDAGNodes.h	SelectionDAG: Assert if we truncate SDNode's NumOperands or NumValues	2014-11-07 22:39:11 +00:00
SlotIndexes.h
StackMapLivenessAnalysis.h	Canonicalize header guards into a common format.	2014-08-13 16:26:38 +00:00
StackMaps.h	The patchpoint lowering logic would crash with live constants equal to	2014-11-04 00:59:21 +00:00
StackProtector.h
TargetLoweringObjectFileImpl.h	CodeGen: Stick constant pool entries in COMDAT sections for WinCOFF	2014-07-14 22:57:27 +00:00
TargetSchedule.h	Change MCSchedModel to be a struct of statically initialized data.	2014-09-02 17:43:54 +00:00
ValueTypes.h
ValueTypes.td
VirtRegMap.h