Patch number 2 for mips16/32 floating point interoperability stubs.
This creates stubs that help Mips32 functions call Mips16 
functions which have floating point parameters that are normally passed
in floating point registers.
 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181972 91177308-0d34-0410-b5e6-96231b3b80d8
Fix PBQP graph iterator typedefs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181973 91177308-0d34-0410-b5e6-96231b3b80d8