Evan Cheng f85a76f477 TiedTo flag can now be placed on implicit operands. isTwoAddrUse() should look ...

at all of the operands. Previously it was skipping over implicit operands which
cause infinite looping when the two-address pass try to reschedule a
two-address instruction below the kill of tied operand.

I'm unable to come up with a reasonably sized test case.
rdar://13747577

llvm-svn: 180906

2013-05-02 02:07:32 +00:00

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