/// Find the next valid DebugLoc starting at MBBI, skipping any DBG_VALUE
/// instructions. Return UnknownLoc if there is none.
DebugLoc
MachineBasicBlock::findDebugLoc(instr_iterator MBBI) {
// Skip debug declarations, we don't want a DebugLoc from them.
MBBI = skipDebugInstructionsForward(MBBI, instr_end());
if (MBBI != instr_end())
return MBBI->getDebugLoc();
return {};
}
/// findDebugLoc - find the next valid DebugLoc starting at MBBI, skipping
/// any DBG_VALUE instructions. Return UnknownLoc if there is none.
DebugLoc
MachineBasicBlock::findDebugLoc(instr_iterator MBBI) {
DebugLoc DL;
instr_iterator E = instr_end();
if (MBBI == E)
return DL;
// Skip debug declarations, we don't want a DebugLoc from them.
while (MBBI != E && MBBI->isDebugValue())
MBBI++;
if (MBBI != E)
DL = MBBI->getDebugLoc();
return DL;
}