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Use a reference rather than a pointer as we don't expect a NULL

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DbgVariable.

No functional change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194761 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher
2013-11-15 01:43:19 +00:00
parent 59d3ae6cdc
commit 7b64181529
3 changed files with 23 additions and 23 deletions
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38
lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
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@@ -1742,42 +1742,42 @@ void CompileUnit::constructContainingTypeDIEs() {
}
/// constructVariableDIE - Construct a DIE for the given DbgVariable.
DIE *CompileUnit::constructVariableDIE(DbgVariable *DV, bool isScopeAbstract) {
StringRef Name = DV->getName();
DIE *CompileUnit::constructVariableDIE(DbgVariable &DV, bool isScopeAbstract) {
StringRef Name = DV.getName();
// Define variable debug information entry.
DIE *VariableDie = new DIE(DV->getTag());
DbgVariable *AbsVar = DV->getAbstractVariable();
DIE *VariableDie = new DIE(DV.getTag());
DbgVariable *AbsVar = DV.getAbstractVariable();
DIE *AbsDIE = AbsVar ? AbsVar->getDIE() : NULL;
if (AbsDIE)
addDIEEntry(VariableDie, dwarf::DW_AT_abstract_origin, AbsDIE);
else {
if (!Name.empty())
addString(VariableDie, dwarf::DW_AT_name, Name);
addSourceLine(VariableDie, DV->getVariable());
addType(VariableDie, DV->getType());
addSourceLine(VariableDie, DV.getVariable());
addType(VariableDie, DV.getType());
}
if (DV->isArtificial())
if (DV.isArtificial())
addFlag(VariableDie, dwarf::DW_AT_artificial);
if (isScopeAbstract) {
DV->setDIE(VariableDie);
DV.setDIE(VariableDie);
return VariableDie;
}
// Add variable address.
unsigned Offset = DV->getDotDebugLocOffset();
unsigned Offset = DV.getDotDebugLocOffset();
if (Offset != ~0U) {
addLabel(VariableDie, dwarf::DW_AT_location, dwarf::DW_FORM_data4,
Asm->GetTempSymbol("debug_loc", Offset));
DV->setDIE(VariableDie);
DV.setDIE(VariableDie);
return VariableDie;
}
// Check if variable is described by a DBG_VALUE instruction.
if (const MachineInstr *DVInsn = DV->getMInsn()) {
if (const MachineInstr *DVInsn = DV.getMInsn()) {
assert(DVInsn->getNumOperands() == 3);
if (DVInsn->getOperand(0).isReg()) {
const MachineOperand RegOp = DVInsn->getOperand(0);
@@ -1785,32 +1785,32 @@ DIE *CompileUnit::constructVariableDIE(DbgVariable *DV, bool isScopeAbstract) {
if (DVInsn->getOperand(1).isImm()) {
MachineLocation Location(RegOp.getReg(),
DVInsn->getOperand(1).getImm());
addVariableAddress(*DV, VariableDie, Location);
addVariableAddress(DV, VariableDie, Location);
} else if (RegOp.getReg())
addVariableAddress(*DV, VariableDie, MachineLocation(RegOp.getReg()));
addVariableAddress(DV, VariableDie, MachineLocation(RegOp.getReg()));
} else if (DVInsn->getOperand(0).isImm())
addConstantValue(VariableDie, DVInsn->getOperand(0), DV->getType());
addConstantValue(VariableDie, DVInsn->getOperand(0), DV.getType());
else if (DVInsn->getOperand(0).isFPImm())
addConstantFPValue(VariableDie, DVInsn->getOperand(0));
else if (DVInsn->getOperand(0).isCImm())
addConstantValue(VariableDie, DVInsn->getOperand(0).getCImm(),
isUnsignedDIType(DD, DV->getType()));
isUnsignedDIType(DD, DV.getType()));
DV->setDIE(VariableDie);
DV.setDIE(VariableDie);
return VariableDie;
} else {
// .. else use frame index.
int FI = DV->getFrameIndex();
int FI = DV.getFrameIndex();
if (FI != ~0) {
unsigned FrameReg = 0;
const TargetFrameLowering *TFI = Asm->TM.getFrameLowering();
int Offset = TFI->getFrameIndexReference(*Asm->MF, FI, FrameReg);
MachineLocation Location(FrameReg, Offset);
addVariableAddress(*DV, VariableDie, Location);
addVariableAddress(DV, VariableDie, Location);
}
}
DV->setDIE(VariableDie);
DV.setDIE(VariableDie);
return VariableDie;
}