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[C++11] More 'nullptr' conversion or in some cases just using a boolean check instead of comparing to nullptr.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205831 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Craig Topper
2014-04-09 06:08:46 +00:00
parent 8a0d1c8f06
commit ec0f0bc6af
80 changed files with 763 additions and 735 deletions
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lib/IR/Value.cpp
+9 -9
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@@ -44,7 +44,7 @@ static inline Type *checkType(Type *Ty) {
Value::Value(Type *ty, unsigned scid)
: SubclassID(scid), HasValueHandle(0),
SubclassOptionalData(0), SubclassData(0), VTy((Type*)checkType(ty)),
UseList(0), Name(0) {
UseList(nullptr), Name(nullptr) {
// FIXME: Why isn't this in the subclass gunk??
// Note, we cannot call isa<CallInst> before the CallInst has been
// constructed.
@@ -141,7 +141,7 @@ unsigned Value::getNumUses() const {
}
static bool getSymTab(Value *V, ValueSymbolTable *&ST) {
ST = 0;
ST = nullptr;
if (Instruction *I = dyn_cast<Instruction>(V)) {
if (BasicBlock *P = I->getParent())
if (Function *PP = P->getParent())
@@ -203,7 +203,7 @@ void Value::setName(const Twine &NewName) {
if (NameRef.empty()) {
// Free the name for this value.
Name->Destroy();
Name = 0;
Name = nullptr;
return;
}
@@ -225,7 +225,7 @@ void Value::setName(const Twine &NewName) {
// Remove old name.
ST->removeValueName(Name);
Name->Destroy();
Name = 0;
Name = nullptr;
if (NameRef.empty())
return;
@@ -241,7 +241,7 @@ void Value::setName(const Twine &NewName) {
void Value::takeName(Value *V) {
assert(SubclassID != MDStringVal && "Cannot take the name of an MDString!");
ValueSymbolTable *ST = 0;
ValueSymbolTable *ST = nullptr;
// If this value has a name, drop it.
if (hasName()) {
// Get the symtab this is in.
@@ -256,7 +256,7 @@ void Value::takeName(Value *V) {
if (ST)
ST->removeValueName(Name);
Name->Destroy();
Name = 0;
Name = nullptr;
}
// Now we know that this has no name.
@@ -283,7 +283,7 @@ void Value::takeName(Value *V) {
if (ST == VST) {
// Take the name!
Name = V->Name;
V->Name = 0;
V->Name = nullptr;
Name->setValue(this);
return;
}
@@ -294,7 +294,7 @@ void Value::takeName(Value *V) {
if (VST)
VST->removeValueName(V->Name);
Name = V->Name;
V->Name = 0;
V->Name = nullptr;
Name->setValue(this);
if (ST)
@@ -652,7 +652,7 @@ void ValueHandleBase::ValueIsDeleted(Value *V) {
break;
case Weak:
// Weak just goes to null, which will unlink it from the list.
Entry->operator=(0);
Entry->operator=(nullptr);
break;
case Callback:
// Forward to the subclass's implementation.