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[smlnj] View of /sml/trunk/src/MLRISC/scheduling/regionBuilder.sig
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View of /sml/trunk/src/MLRISC/scheduling/regionBuilder.sig

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Revision 695 - (download) (as text) (annotate)
Mon Aug 7 23:57:38 2000 UTC (18 years, 11 months ago) by leunga
File size: 868 byte(s)

   Stuff related to scheduling, SSA, x86, C-- and Moby.
   Tag: leunga-20000807-a-whole-bunch-of-stuff
(*
 * This module partitions the IR according to some partitioning criteria
 * and frequency.  This is used mainly for global scheduling.
 *
 * -- Allen
 *)

signature REGION_BUILDER =
sig
    structure IR : MLRISC_IR

    val regionBuilder : 
        { maxBlocks         : int,
          maxInstrs         : int,
          minFreqRatio      : real,
          sideEntries       : bool,  (* can the region has side entries *)
          traceOnly         : bool,  (* no splits or merges? *)
          internalBackEdges : bool,  (* can the region has internal back edges*)
          insertDummyBlocks : bool
        } ->
        IR.IR -> 
        ({ir     : IR.IR,   (* The entire program *)
          region : IR.cfg,  (* The subregion in question *)
          numberOfInstructions : int,
          blockIdTbl : int Array.array
         } -> unit
        ) -> unit

end

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