Jakob Stoklund Olesen 676a15bdf5 Add a new target independent COPY instruction and code to lower it. ...

The COPY instruction is intended to replace the target specific copy
instructions for virtual registers as well as the EXTRACT_SUBREG and
INSERT_SUBREG instructions in MachineFunctions. It won't we used in a selection
DAG.

COPY is lowered to native register copies by LowerSubregs.

llvm-svn: 107529

2010-07-02 22:29:50 +00:00

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