return false;
}
+static bool clobbersAllYmmRegs(const MachineOperand &MO) {
+ for (unsigned reg = X86::YMM0; reg < X86::YMM15; ++reg) {
+ if (!MO.clobbersPhysReg(reg))
+ return false;
+ }
+ return true;
+}
+
static bool hasYmmReg(MachineInstr *MI) {
for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) {
const MachineOperand &MO = MI->getOperand(i);
+ if (MI->isCall() && MO.isRegMask() && !clobbersAllYmmRegs(MO))
+ return true;
if (!MO.isReg())
continue;
if (MO.isDebug())