diff options
| -rw-r--r-- | include/llvm/CodeGen/MachineRegisterInfo.h | 17 | ||||
| -rw-r--r-- | lib/CodeGen/MachineRegisterInfo.cpp | 20 |
2 files changed, 21 insertions, 16 deletions
diff --git a/include/llvm/CodeGen/MachineRegisterInfo.h b/include/llvm/CodeGen/MachineRegisterInfo.h index b313fce182..02f9b7c686 100644 --- a/include/llvm/CodeGen/MachineRegisterInfo.h +++ b/include/llvm/CodeGen/MachineRegisterInfo.h @@ -152,23 +152,8 @@ public: /// setRegClass - Set the register class of the specified virtual register. /// - void setRegClass(unsigned Reg, const TargetRegisterClass *RC) { - unsigned VR = Reg; - Reg -= TargetRegisterInfo::FirstVirtualRegister; - assert(Reg < VRegInfo.size() && "Invalid vreg!"); - const TargetRegisterClass *OldRC = VRegInfo[Reg].first; - VRegInfo[Reg].first = RC; - - // Remove from old register class's vregs list. This may be slow but - // fortunately this operation is rarely needed. - std::vector<unsigned> &VRegs = RegClass2VRegMap[OldRC->getID()]; - std::vector<unsigned>::iterator I=std::find(VRegs.begin(), VRegs.end(), VR); - VRegs.erase(I); + void setRegClass(unsigned Reg, const TargetRegisterClass *RC); - // Add to new register class's vregs list. - RegClass2VRegMap[RC->getID()].push_back(VR); - } - /// createVirtualRegister - Create and return a new virtual register in the /// function with the specified register class. /// diff --git a/lib/CodeGen/MachineRegisterInfo.cpp b/lib/CodeGen/MachineRegisterInfo.cpp index e5148e74be..4f5ab1f586 100644 --- a/lib/CodeGen/MachineRegisterInfo.cpp +++ b/lib/CodeGen/MachineRegisterInfo.cpp @@ -35,6 +35,26 @@ MachineRegisterInfo::~MachineRegisterInfo() { delete [] PhysRegUseDefLists; } +/// setRegClass - Set the register class of the specified virtual register. +/// +void +MachineRegisterInfo::setRegClass(unsigned Reg, const TargetRegisterClass *RC) { + unsigned VR = Reg; + Reg -= TargetRegisterInfo::FirstVirtualRegister; + assert(Reg < VRegInfo.size() && "Invalid vreg!"); + const TargetRegisterClass *OldRC = VRegInfo[Reg].first; + VRegInfo[Reg].first = RC; + + // Remove from old register class's vregs list. This may be slow but + // fortunately this operation is rarely needed. + std::vector<unsigned> &VRegs = RegClass2VRegMap[OldRC->getID()]; + std::vector<unsigned>::iterator I=std::find(VRegs.begin(), VRegs.end(), VR); + VRegs.erase(I); + + // Add to new register class's vregs list. + RegClass2VRegMap[RC->getID()].push_back(VR); +} + /// createVirtualRegister - Create and return a new virtual register in the /// function with the specified register class. /// |