Evan Cheng 9c777a4844 Teach CodeGenPrep to look past bitcast when it's duplicating return instruction
into predecessor blocks to enable tail call optimization.

rdar://11958338


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160894 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-27 21:21:26 +00:00
..
2012-07-25 17:18:59 +00:00
2012-06-22 14:53:30 +00:00
2012-07-23 08:51:15 +00:00