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  • Jakob Stoklund Olesen's avatar
    Fix PR4753. · 972c8fab
    Jakob Stoklund Olesen authored
    When undoing a reuse in ReuseInfo::GetRegForReload, check if it was only a
    sub-register being used. The MachineOperand::getSubReg() method is only valid
    for virtual registers, so we have to recover the sub-register index manually.
    
    llvm-svn: 79855
    972c8fab
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