Roman Levenstein a3ee1a38a3 Ongoing work on improving the instruction selection infrastructure: ...

Rename SDOperandImpl back to SDOperand.
Introduce the SDUse class that represents a use of the SDNode referred by
an SDOperand. Now it is more similar to Use/Value classes.

Patch is approved by Dan Gohman.

llvm-svn: 49795

2008-04-16 16:15:27 +00:00

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