Evan Cheng d190b8216f Fix PR5410: LiveVariables lost subreg def: ...

D0<def,dead> = ...
...
             = S0<use, kill>
S0<def>      = ...
...
D0<def>      = 

The first D0 def is correctly marked dead, however, livevariables should have
added an implicit def of S0 or we end up with a use without a def.

llvm-svn: 88690

2009-11-13 20:36:40 +00:00

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