diff options
Diffstat (limited to 'llvm/lib/CodeGen/MachineRegisterInfo.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachineRegisterInfo.cpp | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/llvm/lib/CodeGen/MachineRegisterInfo.cpp b/llvm/lib/CodeGen/MachineRegisterInfo.cpp index abf9b4d6769..03c82f46da6 100644 --- a/llvm/lib/CodeGen/MachineRegisterInfo.cpp +++ b/llvm/lib/CodeGen/MachineRegisterInfo.cpp @@ -27,12 +27,11 @@ void MachineRegisterInfo::Delegate::anchor() {} MachineRegisterInfo::MachineRegisterInfo(const MachineFunction *MF) : MF(MF), TheDelegate(nullptr), IsSSA(true), TracksLiveness(true), TracksSubRegLiveness(false) { + unsigned NumRegs = getTargetRegisterInfo()->getNumRegs(); VRegInfo.reserve(256); RegAllocHints.reserve(256); - UsedPhysRegMask.resize(getTargetRegisterInfo()->getNumRegs()); - - // Create the physreg use/def lists. - PhysRegUseDefLists.resize(getTargetRegisterInfo()->getNumRegs(), nullptr); + UsedPhysRegMask.resize(NumRegs); + PhysRegUseDefLists.reset(new MachineOperand*[NumRegs]()); } /// setRegClass - Set the register class of the specified virtual register. |
