Benjamin Kramer 6b7603962a TRE: Just erase dead BBs and tweak the iteration loop not to increment the deleted BB iterator.
Leaving empty blocks around just opens up a can of bugs like PR22704. Deleting
them early also slightly simplifies code.

Thanks to Sanjay for the IR test case.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230856 91177308-0d34-0410-b5e6-96231b3b80d8
2015-02-28 16:47:27 +00:00
..