Represent a label in the current method code.
Pseudo jump: it takes a Label instead of a basic block.
Local variable scopes.
A standard phase template
The global environment; overridden by instantiation in Global.
List of phase names, this phase should run after
Phase name this phase will attach itself to, not allowing any phase to come between it and the phase name declared
SubComponent are added to a HashSet and two phases are the same if they have the same name
Internal flag to tell external from internal phases
The phase factory
The phase corresponding to this subcomponent in the current compiler run
The name of the phase
New flags defined by the phase which are not valid before
New flags defined by the phase which are not valid until immediately after it
List of phase names, this phase should run before