81   /// equivalence classes.
83   bool findComponents(IntEqClasses &Classes,
89   void distribute(const IntEqClasses &Classes,
94   void computeMainRangesFixFlags(const IntEqClasses &Classes,
99   void rewriteOperands(const IntEqClasses &Classes,
128   IntEqClasses Classes;  in INITIALIZE_PASS_DEPENDENCY()  local
129   if (!findComponents(Classes, SubRangeInfos, LI))  in INITIALIZE_PASS_DEPENDENCY()
137   LLVM_DEBUG(dbgs() << printReg(Reg) << ": Found " << Classes.getNumClasses()  in INITIALIZE_PASS_DEPENDENCY()
138                     << " equivalence classes.\n");  in INITIALIZE_PASS_DEPENDENCY()
140   for (unsigned I = 1, NumClasses = Classes.getNumClasses(); I < NumClasses;  in INITIALIZE_PASS_DEPENDENCY()
149   rewriteOperands(Classes, SubRangeInfos, Intervals);  in INITIALIZE_PASS_DEPENDENCY()
150   distribute(Classes, SubRangeInfos, Intervals);  in INITIALIZE_PASS_DEPENDENCY()
151   computeMainRangesFixFlags(Classes, SubRangeInfos, Intervals);  in INITIALIZE_PASS_DEPENDENCY()
155 bool RenameIndependentSubregs::findComponents(IntEqClasses &Classes,  in findComponents()  argument
174   // Next step: Build union-find structure over all subranges and merge classes  in findComponents()
177   Classes.grow(NumComponents);  in findComponents()
201       MergedID = MergedID == ~0u ? ID : Classes.join(MergedID, ID);  in findComponents()
206   Classes.compress();  in findComponents()
207   unsigned NumClasses = Classes.getNumClasses();  in findComponents()
211 void RenameIndependentSubregs::rewriteOperands(const IntEqClasses &Classes,  in rewriteOperands()  argument
241       ID = Classes[LocalID + SRInfo.Index];  in rewriteOperands()
260   // TODO: We could attempt to recompute new register classes while visiting  in rewriteOperands()
262   // classes than the original vreg.  in rewriteOperands()
265 void RenameIndependentSubregs::distribute(const IntEqClasses &Classes,  in distribute()  argument
268   unsigned NumClasses = Classes.getNumClasses();  in distribute()
282       unsigned ID = Classes[LocalID + SRInfo.Index];  in distribute()
300     const IntEqClasses &Classes,  in computeMainRangesFixFlags()  argument