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0613516b16
Scan the MachineFunction for DBG_VALUE instructions, and replace them with a data structure similar to LiveIntervals. The live range of a DBG_VALUE is determined by propagating it down the dominator tree until a new DBG_VALUE is found. When a DBG_VALUE lives in a register, its live range is confined to the live range of the register's value. LiveDebugVariables runs before coalescing, so DBG_VALUEs are not artificially extended when registers are joined. The missing half will recreate DBG_VALUE instructions from the intervals when register allocation is complete. The pass is disabled by default. It can be enabled with the temporary command line option -live-debug-variables. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120636 91177308-0d34-0410-b5e6-96231b3b80d8 |
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| .. | ||
| PBQP | ||
| Analysis.h | ||
| AsmPrinter.h | ||
| BinaryObject.h | ||
| CalcSpillWeights.h | ||
| CallingConvLower.h | ||
| FastISel.h | ||
| FunctionLoweringInfo.h | ||
| GCMetadata.h | ||
| GCMetadataPrinter.h | ||
| GCs.h | ||
| GCStrategy.h | ||
| IntrinsicLowering.h | ||
| ISDOpcodes.h | ||
| JITCodeEmitter.h | ||
| LatencyPriorityQueue.h | ||
| LinkAllAsmWriterComponents.h | ||
| LinkAllCodegenComponents.h | ||
| LiveInterval.h | ||
| LiveIntervalAnalysis.h | ||
| LiveStackAnalysis.h | ||
| LiveVariables.h | ||
| MachineBasicBlock.h | ||
| MachineCodeEmitter.h | ||
| MachineCodeInfo.h | ||
| MachineConstantPool.h | ||
| MachineDominators.h | ||
| MachineFrameInfo.h | ||
| MachineFunction.h | ||
| MachineFunctionAnalysis.h | ||
| MachineFunctionPass.h | ||
| MachineInstr.h | ||
| MachineInstrBuilder.h | ||
| MachineJumpTableInfo.h | ||
| MachineLocation.h | ||
| MachineLoopInfo.h | ||
| MachineMemOperand.h | ||
| MachineModuleInfo.h | ||
| MachineModuleInfoImpls.h | ||
| MachineOperand.h | ||
| MachinePassRegistry.h | ||
| MachineRegisterInfo.h | ||
| MachineRelocation.h | ||
| MachineSSAUpdater.h | ||
| MachORelocation.h | ||
| ObjectCodeEmitter.h | ||
| Passes.h | ||
| PostRAHazardRecognizer.h | ||
| ProcessImplicitDefs.h | ||
| PseudoSourceValue.h | ||
| RegAllocPBQP.h | ||
| RegAllocRegistry.h | ||
| RegisterCoalescer.h | ||
| RegisterScavenging.h | ||
| RuntimeLibcalls.h | ||
| ScheduleDAG.h | ||
| ScheduleHazardRecognizer.h | ||
| SchedulerRegistry.h | ||
| SelectionDAG.h | ||
| SelectionDAGISel.h | ||
| SelectionDAGNodes.h | ||
| SlotIndexes.h | ||
| TargetLoweringObjectFileImpl.h | ||
| ValueTypes.h | ||
| ValueTypes.td | ||