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[LiveDebugValues] Remove unused static function #7826

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Merged
merged 1 commit into from
Nov 28, 2023
Merged

[LiveDebugValues] Remove unused static function #7826

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27 changes: 0 additions & 27 deletions llvm/lib/CodeGen/LiveDebugValues/VarLocBasedImpl.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2203,33 +2203,6 @@ void VarLocBasedLDV::recordEntryValue(const MachineInstr &MI,
OpenRanges.insert(EntryValLocIDs, EntryValLocAsBackup);
}

static bool isSwiftAsyncContext(const MachineInstr &MI) {
const llvm::MachineFunction *MF = MI.getParent()->getParent();
const llvm::Function &F = MF->getFunction();
// FIXME: Missing patch.
//if (F.getCallingConv() != CallingConv::SwiftTail)
// return false;
for (const MachineOperand &Op : MI.debug_operands()) {
if (!Op.isReg())
return false;
bool found = false;
unsigned Reg = Op.getReg();
unsigned I = 0;
if (MF->getProperties().hasProperty(
MachineFunctionProperties::Property::TracksLiveness))
for (auto R : MF->getRegInfo().liveins()) {
if (R.first == Reg && F.hasParamAttribute(I, Attribute::SwiftAsync)) {
found = true;
break;
}
++I;
}
if (!found)
return false;
}
return true;
}

/// Calculate the liveness information for the given machine function and
/// extend ranges across basic blocks.
bool VarLocBasedLDV::ExtendRanges(MachineFunction &MF,
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