tree e336a4878c6a1a184c04f0791b82d193ee628ff8
parent 5cf338ad60c626886e92ae8fb3c0209d124a4153
author John McCall <rjmccall@apple.com> 1248742858 +0000
committer John McCall <rjmccall@apple.com> 1248742858 +0000

Allow functions to be marked "implicit return zero" and so mark main().
Codegen by initializing the return value with its LLVM type's null value.

llvm-svn: 77288