syntax = "proto2";

package devtools_crosstool_autofdo;

// // Edges.
// // Next Available: 5.
message CFGEdgePb {
  // Symbol ordinal of source bb.
  optional uint64 source = 1;

  // Symbol ordinal of sink bb.
  optional uint64 sink = 2;

  // Frequency count of the jump from profile.
  optional uint64 weight = 3;

  enum Info {
    DEFAULT = 0;
    CALL = 1;
    RETURN = 2;
  }

  // Edge type.
  optional Info info = 4;
}

// Basic blocks.
// Next Available: 9.
message CFGNodePb {
  optional uint64 symbol_ordinal = 1;

  optional uint64 size = 2;

  optional uint64 freq = 3;

  repeated CFGEdgePb intra_outs = 4;
  repeated CFGEdgePb intra_ins = 5;
  repeated CFGEdgePb inter_outs = 6;
  repeated CFGEdgePb inter_ins = 7;

  optional uint32 bb_index = 8;
}
//
// Control flow graph where basic blocks are vertices and jumps are edges.
// Next Available: 3
message ControlFlowGraphPb {
  repeated CFGNodePb node = 1;
  repeated string name = 2;
}

// Next Available: 2.
message PropellerPb {
  repeated ControlFlowGraphPb cfg = 1;
}