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[C++] Use 'nullptr'.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207083 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Craig Topper
2014-04-24 06:44:33 +00:00
parent 2c0470e781
commit e703fcb975
52 changed files with 299 additions and 291 deletions
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27
lib/CodeGen/AsmPrinter/DwarfUnit.cpp
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@@ -44,7 +44,8 @@ GenerateDwarfTypeUnits("generate-type-units", cl::Hidden,
DwarfUnit::DwarfUnit(unsigned UID, DIE *D, DICompileUnit Node, AsmPrinter *A,
DwarfDebug *DW, DwarfFile *DWU)
: UniqueID(UID), CUNode(Node), UnitDie(D), DebugInfoOffset(0), Asm(A),
DD(DW), DU(DWU), IndexTyDie(0), Section(0), Skeleton(0) {
DD(DW), DU(DWU), IndexTyDie(nullptr), Section(nullptr),
Skeleton(nullptr) {
DIEIntegerOne = new (DIEValueAllocator) DIEInteger(1);
}
@@ -979,7 +980,7 @@ DIE *DwarfUnit::createTypeDIE(DICompositeType Ty) {
/// given DIType.
DIE *DwarfUnit::getOrCreateTypeDIE(const MDNode *TyNode) {
if (!TyNode)
return NULL;
return nullptr;
DIType Ty(TyNode);
assert(Ty.isType());
@@ -1226,7 +1227,7 @@ void DwarfUnit::constructTypeDIE(DIE &Buffer, DICompositeType CTy) {
DIArray Elements = CTy.getTypeArray();
for (unsigned i = 0, N = Elements.getNumElements(); i < N; ++i) {
DIDescriptor Element = Elements.getElement(i);
DIE *ElemDie = NULL;
DIE *ElemDie = nullptr;
if (Element.isSubprogram())
ElemDie = getOrCreateSubprogramDIE(DISubprogram(Element));
else if (Element.isDerivedType()) {
@@ -1430,7 +1431,7 @@ DIE *DwarfUnit::getOrCreateSubprogramDIE(DISubprogram SP) {
// DW_TAG_inlined_subroutine may refer to this DIE.
SPDie = createAndAddDIE(dwarf::DW_TAG_subprogram, *ContextDIE, SP);
DIE *DeclDie = NULL;
DIE *DeclDie = nullptr;
if (SPDecl.isSubprogram())
DeclDie = getOrCreateSubprogramDIE(SPDecl);
@@ -1542,22 +1543,22 @@ static const ConstantExpr *getMergedGlobalExpr(const Value *V) {
const ConstantExpr *CE = dyn_cast_or_null<ConstantExpr>(V);
if (!CE || CE->getNumOperands() != 3 ||
CE->getOpcode() != Instruction::GetElementPtr)
return NULL;
return nullptr;
// First operand points to a global struct.
Value *Ptr = CE->getOperand(0);
if (!isa<GlobalValue>(Ptr) ||
!isa<StructType>(cast<PointerType>(Ptr->getType())->getElementType()))
return NULL;
return nullptr;
// Second operand is zero.
const ConstantInt *CI = dyn_cast_or_null<ConstantInt>(CE->getOperand(1));
if (!CI || !CI->isZero())
return NULL;
return nullptr;
// Third operand is offset.
if (!isa<ConstantInt>(CE->getOperand(2)))
return NULL;
return nullptr;
return CE;
}
@@ -1575,7 +1576,7 @@ void DwarfCompileUnit::createGlobalVariableDIE(DIGlobalVariable GV) {
// If this is a static data member definition, some attributes belong
// to the declaration DIE.
DIE *VariableDIE = NULL;
DIE *VariableDIE = nullptr;
bool IsStaticMember = false;
DIDerivedType SDMDecl = GV.getStaticDataMemberDeclaration();
if (SDMDecl.Verify()) {
@@ -1609,8 +1610,8 @@ void DwarfCompileUnit::createGlobalVariableDIE(DIGlobalVariable GV) {
// Add location.
bool addToAccelTable = false;
DIE *VariableSpecDIE = NULL;
bool isGlobalVariable = GV.getGlobal() != NULL;
DIE *VariableSpecDIE = nullptr;
bool isGlobalVariable = GV.getGlobal() != nullptr;
if (isGlobalVariable) {
addToAccelTable = true;
DIELoc *Loc = new (DIEValueAllocator) DIELoc();
@@ -1806,7 +1807,7 @@ DIE *DwarfUnit::constructVariableDIE(DbgVariable &DV, bool isScopeAbstract) {
// Define variable debug information entry.
DIE *VariableDie = new DIE(DV.getTag());
DbgVariable *AbsVar = DV.getAbstractVariable();
DIE *AbsDIE = AbsVar ? AbsVar->getDIE() : NULL;
DIE *AbsDIE = AbsVar ? AbsVar->getDIE() : nullptr;
if (AbsDIE)
addDIEEntry(VariableDie, dwarf::DW_AT_abstract_origin, AbsDIE);
else {
@@ -1963,7 +1964,7 @@ void DwarfUnit::constructMemberDIE(DIE &Buffer, DIDerivedType DT) {
/// getOrCreateStaticMemberDIE - Create new DIE for C++ static member.
DIE *DwarfUnit::getOrCreateStaticMemberDIE(DIDerivedType DT) {
if (!DT.Verify())
return NULL;
return nullptr;
// Construct the context before querying for the existence of the DIE in case
// such construction creates the DIE.