AMDGPU : Add a function to enable and disable IEEEBit for SC and shader
respectively.

Differential Revision: http://reviews.llvm.org/D25789

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@284655 91177308-0d34-0410-b5e6-96231b3b80d8
4 files changed