tree a7ed86dc7f4a7ce01e872a6ad38c43306f7f67b4
parent 6102549737d2a56031d8f9f0468d3a1a627e181f
author Bill Wendling <isanbard@gmail.com> 1276645591 +0000
committer Bill Wendling <isanbard@gmail.com> 1276645591 +0000

Create a more targeted fix for not sinking instructions into a range where it
will conflict with another live range. The place which creates this scenerio is
the code in X86 that lowers a select instruction by splitting the MBBs. This
eliminates the need to check from the bottom up in an MBB for live pregs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106066 91177308-0d34-0410-b5e6-96231b3b80d8