Rafael Espindola d4bcefc7d9 Don't ever call materializeAllPermanently during LTO. ...

To do this, change the representation of lazy loaded functions.

The previous representation cannot differentiate between a function whose body
has been removed and one whose body hasn't been read from the .bc file. That
means that in order to drop a function, the entire body had to be read.

llvm-svn: 220580

2014-10-24 18:13:04 +00:00

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