llvm::MachineFunction MF; llvm::MachineRegisterInfo& MRI = MF.getRegInfo(); const TargetRegisterClass *TRC = MRI.getRegClass(X86::GR32RegClassID);
llvm::MachineFunction MF; llvm::MachineRegisterInfo& MRI = MF.getRegInfo(); const TargetRegisterClass *TRC = MRI.getRegClass(X86::VR128RegClassID);This example is similar to the first one, but it uses a different register class ID (X86::VR128RegClassID) to obtain a pointer to a different register class. Package library: LLVM-C++-API (part of LLVM)