1 //===-- MachineRegisterInfo.cpp -------------------------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // Implementation of the MachineRegisterInfo class.
12 //===----------------------------------------------------------------------===//
14 #include "llvm/CodeGen/MachineRegisterInfo.h"
17 MachineRegisterInfo::MachineRegisterInfo(const MRegisterInfo &MRI) {
18 VRegInfo.reserve(256);
19 UsedPhysRegs.resize(MRI.getNumRegs());