102 enum class Color { Even, Odd };  enum
140   bool colorChain(Chain *G, Color C, MachineBasicBlock &MBB);
141   int scavengeRegister(Chain *G, Color C, MachineBasicBlock &MBB);
147   Color getColor(unsigned Register);
148   Chain *getAndEraseNext(Color PreferredColor, std::vector<Chain*> &L);
201   Color LastColor;
203   Chain(MachineInstr *MI, unsigned Idx, Color C)  in Chain()
212   void add(MachineInstr *MI, unsigned Idx, Color C) {  in add()
259   Color getPreferredColor() {  in getPreferredColor()
261       return OverrideBalance == 1 ? Color::Even : Color::Odd;  in getPreferredColor()
403 Chain *AArch64A57FPLoadBalancing::getAndEraseNext(Color PreferredColor,  in getAndEraseNext()
465   Color PreferredColor = Parity < 0 ? Color::Even : Color::Odd;  in colorChainSet()
468     Color C = PreferredColor;  in colorChainSet()
489     Parity += (C == Color::Even) ? G->size() : -G->size();  in colorChainSet()
490     PreferredColor = Parity < 0 ? Color::Even : Color::Odd;  in colorChainSet()
496 int AArch64A57FPLoadBalancing::scavengeRegister(Chain *G, Color C,  in scavengeRegister()
530 bool AArch64A57FPLoadBalancing::colorChain(Chain *G, Color C,  in colorChain()
713 Color AArch64A57FPLoadBalancing::getColor(unsigned Reg) {  in getColor()
715     return Color::Even;  in getColor()
717     return Color::Odd;  in getColor()