[C++] Use 'nullptr'.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207394 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 11 insertions, 11 deletions

diff --git a/lib/DebugInfo/DWARFDebugInfoEntry.h b/lib/DebugInfo/DWARFDebugInfoEntry.h
index 6b2aa1a446..2d0e953de3 100644
--- a/lib/DebugInfo/DWARFDebugInfoEntry.h
+++ b/lib/DebugInfo/DWARFDebugInfoEntry.h
@@ -39,7 +39,7 @@ class DWARFDebugInfoEntryMinimal {
   const DWARFAbbreviationDeclaration *AbbrevDecl;
 public:
   DWARFDebugInfoEntryMinimal()
-    : Offset(0), ParentIdx(0), SiblingIdx(0), AbbrevDecl(0) {}
+    : Offset(0), ParentIdx(0), SiblingIdx(0), AbbrevDecl(nullptr) {}
 
   void dump(raw_ostream &OS, const DWARFUnit *u, unsigned recurseDepth,
             unsigned indent = 0) const;
@@ -52,7 +52,7 @@ public:
   bool extractFast(const DWARFUnit *U, uint32_t *OffsetPtr);
 
   uint32_t getTag() const { return AbbrevDecl ? AbbrevDecl->getTag() : 0; }
-  bool isNULL() const { return AbbrevDecl == 0; }
+  bool isNULL() const { return AbbrevDecl == nullptr; }
 
   /// Returns true if DIE represents a subprogram (not inlined).
   bool isSubprogramDIE() const;
@@ -66,27 +66,27 @@ public:
   // We know we are kept in a vector of contiguous entries, so we know
   // our parent will be some index behind "this".
   DWARFDebugInfoEntryMinimal *getParent() {
-    return ParentIdx > 0 ? this - ParentIdx : 0;
+    return ParentIdx > 0 ? this - ParentIdx : nullptr;
   }
   const DWARFDebugInfoEntryMinimal *getParent() const {
-    return ParentIdx > 0 ? this - ParentIdx : 0;
+    return ParentIdx > 0 ? this - ParentIdx : nullptr;
   }
   // We know we are kept in a vector of contiguous entries, so we know
   // our sibling will be some index after "this".
   DWARFDebugInfoEntryMinimal *getSibling() {
-    return SiblingIdx > 0 ? this + SiblingIdx : 0;
+    return SiblingIdx > 0 ? this + SiblingIdx : nullptr;
   }
   const DWARFDebugInfoEntryMinimal *getSibling() const {
-    return SiblingIdx > 0 ? this + SiblingIdx : 0;
+    return SiblingIdx > 0 ? this + SiblingIdx : nullptr;
   }
   // We know we are kept in a vector of contiguous entries, so we know
   // we don't need to store our child pointer, if we have a child it will
   // be the next entry in the list...
   DWARFDebugInfoEntryMinimal *getFirstChild() {
-    return hasChildren() ? this + 1 : 0;
+    return hasChildren() ? this + 1 : nullptr;
   }
   const DWARFDebugInfoEntryMinimal *getFirstChild() const {
-    return hasChildren() ? this + 1 : 0;
+    return hasChildren() ? this + 1 : nullptr;
   }
 
   void setParent(DWARFDebugInfoEntryMinimal *parent) {
@@ -168,7 +168,7 @@ public:
 /// (except the last DIE) in this chain is contained in address
 /// range for next DIE in the chain.
 struct DWARFDebugInfoEntryInlinedChain {
-  DWARFDebugInfoEntryInlinedChain() : U(0) {}
+  DWARFDebugInfoEntryInlinedChain() : U(nullptr) {}
   SmallVector<DWARFDebugInfoEntryMinimal, 4> DIEs;
   const DWARFUnit *U;
 };
diff --git a/lib/DebugInfo/DWARFDebugLine.h b/lib/DebugInfo/DWARFDebugLine.h
index a336f49b29..890eb28c1e 100644
--- a/lib/DebugInfo/DWARFDebugLine.h
+++ b/lib/DebugInfo/DWARFDebugLine.h
@@ -24,7 +24,7 @@ class DWARFDebugLine {
 public:
   DWARFDebugLine(const RelocAddrMap* LineInfoRelocMap) : RelocMap(LineInfoRelocMap) {}
   struct FileNameEntry {
-    FileNameEntry() : Name(0), DirIdx(0), ModTime(0), Length(0) {}
+    FileNameEntry() : Name(nullptr), DirIdx(0), ModTime(0), Length(0) {}
 
     const char *Name;
     uint64_t DirIdx;
diff --git a/lib/DebugInfo/DWARFUnit.h b/lib/DebugInfo/DWARFUnit.h
index 374eceaed2..471da36af1 100644
--- a/lib/DebugInfo/DWARFUnit.h
+++ b/lib/DebugInfo/DWARFUnit.h
@@ -118,7 +118,7 @@ public:
   const DWARFDebugInfoEntryMinimal *
   getCompileUnitDIE(bool extract_cu_die_only = true) {
     extractDIEsIfNeeded(extract_cu_die_only);
-    return DieArray.empty() ? NULL : &DieArray[0];
+    return DieArray.empty() ? nullptr : &DieArray[0];
   }
 
   const char *getCompilationDir();