Keep names even when inlining. This allows us to realize that ADDI is:

Keep names even when inlining.  This allows us to realize that ADDI is:

(set GPRC:i32:$rD, (add GPRC:i32:$rA, (imm)<<Predicate_immSExt16>>:$imm))

not:

(set GPRC:i32:$rD, (add GPRC:i32:$rA, (imm)<<Predicate_immSExt16>>))

(we keep the ":$imm")

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23269 91177308-0d34-0410-b5e6-96231b3b80d8