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+open Maps
+open Registers
+open Camlcoq
+
+type superblock = {
+ mutable instructions: P.t array; (* pointers to code instructions *)
+ (* each predicted Pcb has its attached liveins *)
+ (* This is indexed by the pc value *)
+ liveins: Regset.t PTree.t;
+ (* Union of the input_regs of the last successors *)
+ s_output_regs: Regset.t;
+ typing: RTLtyping.regenv
+}
+