[Hexagon] Pick the right branch opcode depending on branch probabilities

Specifically, pick the opcode with the correct branch prediction, i.e.
jump:t or jump:nt.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@296821 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed