Jakob Stoklund Olesen 64824ea99f Add a TargetRegisterInfo::composeSubRegIndices hook with a default ...

implementation that is correct for most targets. Tablegen will override where
needed.

Add MachineOperand::subst{Virt,Phys}Reg methods that correctly handle existing
subreg indices when sustituting registers.

llvm-svn: 104985

2010-05-28 18:18:53 +00:00

51 KiB

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