More codegen refactoring with simonpj
Optimise UniqSM
Optimise FuelUniqSM
Snapshot
add missing files
remove unused code
unpack the Label in CmmEntry
A little unpacking and strictness
tiny refactoring
add an SCC
implement RegSet by Set, not UniqSet
snapshot: fastest version so far
strictness annotations
deepBwdRw3 -> mkBRewrite3
strictness annotations
snapshot of latest improvements
make it compile with earlier GHCs
optimise foldExpDeep
Use Set instead of Map for CAFSet
optimise OrdList