261 // Check if height resources for MBB are valid and return the TBI.
401     unsigned Height = SuccTBI->InstrHeight;  in pickTraceSucc()  local
402     if (!Best || Height < BestHeight) {  in pickTraceSucc()
404       BestHeight = Height;  in pickTraceSucc()
563     // The trace leaving I is now known, compute the height resources.  in computeTrace()
574   // Invalidate height resources of blocks above MBB.  in invalidate()
581                         << getName() << " height.\n");  in invalidate()
651              "Trace is broken, height should have been invalidated.");  in verify()
665 // Compute the depth and height of each instruction based on data dependencies
795 /// 1. The maximum height+depth over all instructions in the trace center block.
806   assert(TBI.HasValidInstrHeights && "Missing height info");  in computeCrossBlockCriticalPath()
816     unsigned Len = LIR.Height + Cycles[DefMI].Depth;  in computeCrossBlockCriticalPath()
854     TBI.CriticalPath = std::max(TBI.CriticalPath, Cycle + MICycles.Height);  in updateDepth()
931 // Return the issue height of MI after considering any live regunits.
932 // Height is the issue height computed from virtual register dependencies alone.
933 static unsigned updatePhysDepsUpwards(const MachineInstr &MI, unsigned Height,  in updatePhysDepsUpwards()  argument
951     // update MI Height to consider the physreg dependencies.  in updatePhysDepsUpwards()
963       Height = std::max(Height, DepHeight);  in updatePhysDepsUpwards()
969   // Now we know the height of MI. Update any regunits read.  in updatePhysDepsUpwards()
974       // Set the height to the highest reader of the unit.  in updatePhysDepsUpwards()
975       if (LRU.Cycle <= Height && LRU.MI != &MI) {  in updatePhysDepsUpwards()
976         LRU.Cycle = Height;  in updatePhysDepsUpwards()
983   return Height;  in updatePhysDepsUpwards()
988 // Push the height of DefMI upwards if required to match UseMI.
994   // Adjust height by Dep.DefMI latency.  in pushDepHeight()
999   // Update Heights[DefMI] to be the maximum height seen.  in pushDepHeight()
1006   // DefMI has been pushed before. Give it the max height.  in pushDepHeight()
1028     // Just add the register. The height will be updated later.  in addLiveIns()
1052   // required by deeper trace instructions. Map MI -> height required so far.  in computeInstrHeights()
1068         unsigned &Height = Heights[MTM.MRI->getVRegDef(LI.Reg)];  in computeInstrHeights()  local
1069         if (Height < LI.Height)  in computeInstrHeights()
1070           Height = LI.Height;  in computeInstrHeights()
1074         RegUnits[LI.Reg.id()].Cycle = LI.Height;  in computeInstrHeights()
1104     // that purpose, pretend that all the loop header PHIs have height 0.  in computeInstrHeights()
1118           unsigned Height = TBI.Succ ? Cycles.lookup(&PHI).Height : 0;  in computeInstrHeights()  local
1119           LLVM_DEBUG(dbgs() << "pred\t" << Height << '\t' << PHI);  in computeInstrHeights()
1120           if (pushDepHeight(Deps.front(), PHI, Height, Heights, MTM.SchedModel,  in computeInstrHeights()
1129       // Find the MI height as determined by virtual register uses in the  in computeInstrHeights()
1144       // There may also be regunit dependencies to include in the height.  in computeInstrHeights()
1149       // Update the required height of any virtual registers read by MI.  in computeInstrHeights()
1155       MICycles.Height = Cycle;  in computeInstrHeights()
1166     // height because the final height isn't known until now.  in computeInstrHeights()
1170       LIR.Height = Heights.lookup(DefMI);  in computeInstrHeights()
1171       LLVM_DEBUG(dbgs() << ' ' << printReg(LIR.Reg) << '@' << LIR.Height);  in computeInstrHeights()
1210   return getCriticalPath() - (Cyc.Depth + Cyc.Height);  in getInstrSlack()
1344     OS << "height=" << InstrHeight;  in print()
1353     OS << "height invalid";  in print()