Uday Bondhugula 02af8c22df Change Pass:getFunction() to return pointer instead of ref - NFC ...

- change this for consistency - everything else similar takes/returns a
  Function pointer - the FuncBuilder ctor,
  Block/Value/Instruction::getFunction(), etc.
- saves a whole bunch of &s everywhere

PiperOrigin-RevId: 236928761

2019-03-29 16:58:35 -07:00

91 KiB

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