Add a MachineOperand iterator class.

The MIOperands iterator can visit operands on a single instruction, or
all operands in a bundle.  This simplifies code like the register
allocator that treats bundles as a set of operands.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151529 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed