In response to dblaikie's comment on r186035, replacing the
(reduced LLVM IR) + (full source in comment)
with the
(full LLVM IR) + (reduced src in comment)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186119 91177308-0d34-0410-b5e6-96231b3b80d8