private:
const TargetInstrInfo *TII; // Machine instruction info.
- MachineBasicBlock *MBB; // Current basic block
// Any YMM register live-in to this function?
bool FnHasLiveInYmm;
}
static bool hasYmmReg(MachineInstr *MI) {
- for (int i = 0, e = MI->getNumOperands(); i != e; ++i) {
+ for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) {
const MachineOperand &MO = MI->getOperand(i);
if (!MO.isReg())
continue;
const TargetRegisterClass *RC = &X86::VR256RegClass;
for (TargetRegisterClass::iterator i = RC->begin(), e = RC->end();
i != e; i++) {
- if (MRI.isPhysRegUsed(*i)) {
+ if (!MRI.reg_nodbg_empty(*i)) {
YMMUsed = true;
break;
}
MachineBasicBlock &BB) {
bool Changed = false;
unsigned BBNum = BB.getNumber();
- MBB = &BB;
// Don't process already solved BBs
if (BBSolved[BBNum])
// The entry MBB for the function may set the initial state to dirty if
// the function receives any YMM incoming arguments
- if (MBB == MF.begin()) {
+ if (&BB == MF.begin()) {
EntryState = ST_CLEAN;
if (FnHasLiveInYmm)
EntryState = ST_DIRTY;
// When unknown, only compute the information within the block to have
// it available in the exit if possible, but don't change the block.
if (EntryState != ST_UNKNOWN) {
- BuildMI(*MBB, I, dl, TII->get(X86::VZEROUPPER));
+ BuildMI(BB, I, dl, TII->get(X86::VZEROUPPER));
++NumVZU;
}