4 <:RSSAShrink:> is an optimization pass for the <:RSSA:>
5 <:IntermediateLanguage:>.
9 This pass implements a whole family of compile-time reductions, like:
11 * constant folding, copy propagation
12 * inline the `Goto` to a block with a unique predecessor
16 * <!ViewGitFile(mlton,master,mlton/backend/rssa.fun)>
18 == Details and Notes ==