Jakob Stoklund Olesen 0f3e98ce2e Move stack slot assignments into LiveRangeEdit. ...

All registers created during splitting or spilling are assigned to the same
stack slot as the parent register.

When splitting or rematting, we may not spill at all. In that case the stack
slot is still assigned, but it will be dead.

llvm-svn: 116546

2010-10-15 00:16:55 +00:00

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