llvm_propeller_cfg.proto

syntax = "proto2";

package devtools_crosstool_autofdo;

// // Edges.
// // Next Available: 5.
message CFGEdgePb {
  // Whole-program identifier for a CFGNode.
  // Next Available: 3
  message NodeId {
    optional uint32 function_index = 1;
    optional uint32 bb_index = 2;
  }

  // Id of sink bb.
  optional NodeId sink = 2;

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

  enum Kind {
    BRANCH_OR_FALLTHROUGH = 0;
    CALL = 1;
    RETURN = 2;
  }

  // Edge kind.
  optional Kind kind = 4;
}

// Basic blocks.
// Next Available: 5.
message CFGNodePb {
  // Next available: 5
  message MetadataPb {
    optional bool can_fallthrough = 1;
    optional bool has_return = 2;
    optional bool has_tail_call = 3;
    optional bool is_landing_pad = 4;
  }

  optional uint64 size = 1;

  repeated CFGEdgePb out_edges = 2;

  optional uint32 bb_id = 3;
  optional MetadataPb metadata = 4;
}
//
// Control flow graph where basic blocks are vertices and jumps are edges.
// Next Available: 5
message ControlFlowGraphPb {
  repeated CFGNodePb node = 1;
  repeated string name = 2;
  optional uint32 function_index = 3;
  optional string section_name = 4;
}

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