}
SystemZShortenInst::SystemZShortenInst(const SystemZTargetMachine &tm)
- : MachineFunctionPass(ID), TII(0), LowGPRs(), HighGPRs() {
+ : MachineFunctionPass(ID), TII(nullptr), LowGPRs(), HighGPRs() {
// Set up LowGPRs and HighGPRs.
for (unsigned I = 0; I < 16; ++I) {
LowGPRs[SystemZMC::GR32Regs[I]] |= 1 << I;