Jakob Stoklund Olesen 4cb7702c4f Remove livein checks from machine code verifier. ...

A phi operand that is implicitly defined in a predecessor becomes an undefined
register after phi elimination. This causes a lot of false positives when the
verifier is checking if live-in registers are live-out from all predecessors.

Removing the verifier checks seems like a better solution than insisting on
IMPLICIT_DEF instructions in predecessor blocks.

llvm-svn: 92769

2010-01-05 20:59:36 +00:00

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