65     "overlap",
66     "Computes and displays the overlap between two profiles. See detailed "
68     "https://llvm.org/docs/CommandGuide/llvm-profdata.html#profdata-overlap");
321 // Options specific to overlap subcommand.
344         "Function level overlap information for every function (with calling "
624 /// Computer the overlap b/w profile BaseFilename and TestFileName,
625 /// and store the program level result to Overlap.
628                          OverlapStats &Overlap,  in overlapInput()  argument
647     WC->Writer.overlapRecord(std::move(I), Overlap, FuncOverlap, FuncFilter);  in overlapInput()
1718 /// Computer the overlap b/w profile BaseFilename and profile TestFilename.
1727   OverlapStats Overlap;  in overlapInstrProfile()  local
1728   Error E = Overlap.accumulateCounts(BaseFilename, TestFilename, IsCS);  in overlapInstrProfile()
1731   if (Overlap.Base.CountSum < 1.0f) {  in overlapInstrProfile()
1735   if (Overlap.Test.CountSum < 1.0f) {  in overlapInstrProfile()
1740   overlapInput(BaseFilename, TestFilename, &Context, Overlap, FuncFilter, OS,  in overlapInstrProfile()
1742   Overlap.dump(OS);  in overlapInstrProfile()
1749   // Number of overlap units
1751   // Total samples of overlap units
1914   /// Write out program-level similarity and overlap statistics.
1918   /// test_profile, and their overlap. For both cases, the overlap HO is
1935   ///     meaning no-overlap.
1993   ///    BT(i)/ST), ranging in [0.0f to 1.0f] with 0.0 meaning no-overlap.
2021   /// This function updates sample overlap statistics of an overlap function in
2027   ///    0.0 meaning no overlap.
2045   ///     ranging in [0.0f to 1.0f] with 0.0 meaning no overlap.
2135          "Match status should be updated before updating overlap statistics");  in updateOverlapStatsForFunction()
2306   // has no overlap.  in computeSampleFunctionOverlap()
2311   // If BaseFunc or TestFunc is nullptr, it means the functions do not overlap.  in computeSampleFunctionOverlap()
2374       // Two functions match with each other. Compute function-level overlap and  in computeSampleProfileOverlap()
2375       // aggregate them into profile-level overlap.  in computeSampleProfileOverlap()
2489   FOS << "Overlap";  in dumpFuncSimilarity()
2537   OS << "Profile overlap infomation for base_profile: "  in dumpProgramSummary()
2558   OS << "  Whole program sample overlap: "  in dumpProgramSummary()
2571   OS << "  Function overlap: " << format("%.3f%%", FuncOverlapPercent * 100)  in dumpProgramSummary()
2573   OS << "    overlap functions: " << ProfOverlap.OverlapCount << "\n";  in dumpProgramSummary()
2584   OS << "  Hot-function overlap: "  in dumpHotFuncAndBlockOverlap()
2588   OS << "    overlap hot functions: " << HotFuncOverlap.OverlapCount << "\n";  in dumpHotFuncAndBlockOverlap()
2596   OS << "  Hot-block overlap: "  in dumpHotFuncAndBlockOverlap()
2600   OS << "    overlap hot blocks: " << HotBlockOverlap.OverlapCount << "\n";  in dumpHotFuncAndBlockOverlap()