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Commit add0c43e authored by Jakob Stoklund Olesen's avatar Jakob Stoklund Olesen
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Give targets a chance to expand even standard pseudos. 

Allow targets to expand COPY and other standard pseudo-instructions
before they are expanded with copyPhysReg().

This allows the target to examine the COPY instruction for extra
operands indicating it can be widened to a preferable super-register
copy.  See the ARM -widen-vmovs option.

llvm-svn: 141578
parent 698f019e
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