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is a move between two registers, at least one of the registers is virtual and the two live intervals do not overlap. This results in about 40% reduction in intervals, 30% decrease in the register allocators running time and a 20% increase in peephole optimizations (mainly move eliminations). The option can be enabled by passing -join-liveintervals where appropriate. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10965 91177308-0d34-0410-b5e6-96231b3b80d8 |
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.. | ||
InstrSched | ||
ModuloScheduling | ||
SelectionDAG | ||
IntrinsicLowering.cpp | ||
LiveIntervalAnalysis.cpp | ||
LiveIntervalAnalysis.h | ||
LiveVariables.cpp | ||
MachineCodeEmitter.cpp | ||
MachineCodeForInstruction.cpp | ||
MachineFunction.cpp | ||
MachineInstr.cpp | ||
MachineInstrAnnot.cpp | ||
Makefile | ||
Passes.cpp | ||
PHIElimination.cpp | ||
PrologEpilogInserter.cpp | ||
RegAllocLinearScan.cpp | ||
RegAllocLocal.cpp | ||
RegAllocSimple.cpp | ||
TwoAddressInstructionPass.cpp |