fix: LLVM 3.5, begin_user() instead of begin_use()

With version 3.5, LLVM introduced a subtle semantic change in the API of
`Value`. With that change, `use_begin()` is renamed to `user_begin()`.
Additionally, a new method `use_begin()` with a different meaning was
introduced. Now, `use_begin()` actually iterates over `Use`s, whereas
before, dereferencing it would give a `User *`. For further details,
please refer to https://reviews.llvm.org/rL203364.

Due to the reintroduction of `use_begin()`, existing code may still
compile, although the semantics have changed.  In the code changed with
this patch, all `dyn_cast`s for `Use` fail and the else branch is
always taken.

0 files changed, 0 insertions, 0 deletions