[PATCH] D13120: [Function] Clean up {prefix, prologue} data routines (NFC)

[Vedant Kumar via llvm-commits]

vsk accepted this revision.
vsk added a reviewer: vsk.
vsk added a comment.
This revision is now accepted and ready to land.

- Removed unrelated comment update about calling convention bits.
- Added doc comment to setFunctionData().
- Annotated calls to setFunctionData() with /*Bit=*/ comments.

Reviewed by bogner and closed by ec871634e.


http://reviews.llvm.org/D13120