Jakob Stoklund Olesen 3c2a1dea71 Enforce stricter rules in machine code verifier. ...

Implicit operands no longer get a free pass: Imp-use requires a live register
and imp-def requires a dead register.

There is also no special rule allowing redefinition of a sub-register when the
super-register is live. The super register must have imp-kill+imp-def operands
instead.

llvm-svn: 78090

2009-08-04 19:18:01 +00:00

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