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-rw-r--r--lib/VMCore/Metadata.cpp143
1 files changed, 75 insertions, 68 deletions
diff --git a/lib/VMCore/Metadata.cpp b/lib/VMCore/Metadata.cpp
index 06d4fd4..73e6091 100644
--- a/lib/VMCore/Metadata.cpp
+++ b/lib/VMCore/Metadata.cpp
@@ -182,19 +182,6 @@ MDNode *MDNode::getMDNode(LLVMContext &Context, Value *const *Vals,
unsigned NumVals, FunctionLocalness FL,
bool Insert) {
LLVMContextImpl *pImpl = Context.pImpl;
- FoldingSetNodeID ID;
- for (unsigned i = 0; i != NumVals; ++i)
- ID.AddPointer(Vals[i]);
-
- void *InsertPoint;
- MDNode *N = NULL;
-
- if ((N = pImpl->MDNodeSet.FindNodeOrInsertPos(ID, InsertPoint)))
- return N;
-
- if (!Insert)
- return NULL;
-
bool isFunctionLocal = false;
switch (FL) {
case FL_Unknown:
@@ -216,6 +203,20 @@ MDNode *MDNode::getMDNode(LLVMContext &Context, Value *const *Vals,
break;
}
+ FoldingSetNodeID ID;
+ for (unsigned i = 0; i != NumVals; ++i)
+ ID.AddPointer(Vals[i]);
+ ID.AddBoolean(isFunctionLocal);
+
+ void *InsertPoint;
+ MDNode *N = NULL;
+
+ if ((N = pImpl->MDNodeSet.FindNodeOrInsertPos(ID, InsertPoint)))
+ return N;
+
+ if (!Insert)
+ return NULL;
+
// Coallocate space for the node and Operands together, then placement new.
void *Ptr = malloc(sizeof(MDNode)+NumVals*sizeof(MDNodeOperand));
N = new (Ptr) MDNode(Context, Vals, NumVals, isFunctionLocal);
@@ -248,6 +249,7 @@ Value *MDNode::getOperand(unsigned i) const {
void MDNode::Profile(FoldingSetNodeID &ID) const {
for (unsigned i = 0, e = getNumOperands(); i != e; ++i)
ID.AddPointer(getOperand(i));
+ ID.AddBoolean(isFunctionLocal());
}
void MDNode::setIsNotUniqued() {
@@ -410,50 +412,6 @@ StringRef NamedMDNode::getName() const {
}
//===----------------------------------------------------------------------===//
-// LLVMContext MDKind naming implementation.
-//
-
-#ifndef NDEBUG
-/// isValidName - Return true if Name is a valid custom metadata handler name.
-static bool isValidName(StringRef MDName) {
- if (MDName.empty())
- return false;
-
- if (!isalpha(MDName[0]))
- return false;
-
- for (StringRef::iterator I = MDName.begin() + 1, E = MDName.end(); I != E;
- ++I) {
- if (!isalnum(*I) && *I != '_' && *I != '-' && *I != '.')
- return false;
- }
- return true;
-}
-#endif
-
-/// getMDKindID - Return a unique non-zero ID for the specified metadata kind.
-unsigned LLVMContext::getMDKindID(StringRef Name) const {
- assert(isValidName(Name) && "Invalid MDNode name");
-
- unsigned &Entry = pImpl->CustomMDKindNames[Name];
-
- // If this is new, assign it its ID.
- if (Entry == 0) Entry = pImpl->CustomMDKindNames.size();
- return Entry;
-}
-
-/// getHandlerNames - Populate client supplied smallvector using custome
-/// metadata name and ID.
-void LLVMContext::getMDKindNames(SmallVectorImpl<StringRef> &Names) const {
- Names.resize(pImpl->CustomMDKindNames.size()+1);
- Names[0] = "";
- for (StringMap<unsigned>::const_iterator I = pImpl->CustomMDKindNames.begin(),
- E = pImpl->CustomMDKindNames.end(); I != E; ++I)
- // MD Handlers are numbered from 1.
- Names[I->second] = I->first();
-}
-
-//===----------------------------------------------------------------------===//
// Instruction Metadata method implementations.
//
@@ -466,18 +424,29 @@ MDNode *Instruction::getMetadataImpl(const char *Kind) const {
return getMetadataImpl(getContext().getMDKindID(Kind));
}
+void Instruction::setDbgMetadata(MDNode *Node) {
+ DbgLoc = NewDebugLoc::getFromDILocation(Node);
+}
+
/// setMetadata - Set the metadata of of the specified kind to the specified
/// node. This updates/replaces metadata if already present, or removes it if
/// Node is null.
void Instruction::setMetadata(unsigned KindID, MDNode *Node) {
if (Node == 0 && !hasMetadata()) return;
+ // Handle 'dbg' as a special case since it is not stored in the hash table.
+ if (KindID == LLVMContext::MD_dbg) {
+ DbgLoc = NewDebugLoc::getFromDILocation(Node);
+ return;
+ }
+
// Handle the case when we're adding/updating metadata on an instruction.
if (Node) {
LLVMContextImpl::MDMapTy &Info = getContext().pImpl->MetadataStore[this];
- assert(!Info.empty() == hasMetadata() && "HasMetadata bit is wonked");
+ assert(!Info.empty() == hasMetadataHashEntry() &&
+ "HasMetadata bit is wonked");
if (Info.empty()) {
- setHasMetadata(true);
+ setHasMetadataHashEntry(true);
} else {
// Handle replacement of an existing value.
for (unsigned i = 0, e = Info.size(); i != e; ++i)
@@ -493,18 +462,19 @@ void Instruction::setMetadata(unsigned KindID, MDNode *Node) {
}
// Otherwise, we're removing metadata from an instruction.
- assert(hasMetadata() && getContext().pImpl->MetadataStore.count(this) &&
+ assert(hasMetadataHashEntry() &&
+ getContext().pImpl->MetadataStore.count(this) &&
"HasMetadata bit out of date!");
LLVMContextImpl::MDMapTy &Info = getContext().pImpl->MetadataStore[this];
// Common case is removing the only entry.
if (Info.size() == 1 && Info[0].first == KindID) {
getContext().pImpl->MetadataStore.erase(this);
- setHasMetadata(false);
+ setHasMetadataHashEntry(false);
return;
}
- // Handle replacement of an existing value.
+ // Handle removal of an existing value.
for (unsigned i = 0, e = Info.size(); i != e; ++i)
if (Info[i].first == KindID) {
Info[i] = Info.back();
@@ -516,8 +486,14 @@ void Instruction::setMetadata(unsigned KindID, MDNode *Node) {
}
MDNode *Instruction::getMetadataImpl(unsigned KindID) const {
+ // Handle 'dbg' as a special case since it is not stored in the hash table.
+ if (KindID == LLVMContext::MD_dbg)
+ return DbgLoc.getAsMDNode(getContext());
+
+ if (!hasMetadataHashEntry()) return 0;
+
LLVMContextImpl::MDMapTy &Info = getContext().pImpl->MetadataStore[this];
- assert(hasMetadata() && !Info.empty() && "Shouldn't have called this");
+ assert(!Info.empty() && "bit out of sync with hash table");
for (LLVMContextImpl::MDMapTy::iterator I = Info.begin(), E = Info.end();
I != E; ++I)
@@ -527,14 +503,23 @@ MDNode *Instruction::getMetadataImpl(unsigned KindID) const {
}
void Instruction::getAllMetadataImpl(SmallVectorImpl<std::pair<unsigned,
- MDNode*> > &Result)const {
- assert(hasMetadata() && getContext().pImpl->MetadataStore.count(this) &&
+ MDNode*> > &Result) const {
+ Result.clear();
+
+ // Handle 'dbg' as a special case since it is not stored in the hash table.
+ if (!DbgLoc.isUnknown()) {
+ Result.push_back(std::make_pair((unsigned)LLVMContext::MD_dbg,
+ DbgLoc.getAsMDNode(getContext())));
+ if (!hasMetadataHashEntry()) return;
+ }
+
+ assert(hasMetadataHashEntry() &&
+ getContext().pImpl->MetadataStore.count(this) &&
"Shouldn't have called this");
const LLVMContextImpl::MDMapTy &Info =
getContext().pImpl->MetadataStore.find(this)->second;
assert(!Info.empty() && "Shouldn't have called this");
- Result.clear();
Result.append(Info.begin(), Info.end());
// Sort the resulting array so it is stable.
@@ -542,10 +527,32 @@ void Instruction::getAllMetadataImpl(SmallVectorImpl<std::pair<unsigned,
array_pod_sort(Result.begin(), Result.end());
}
+void Instruction::
+getAllMetadataOtherThanDebugLocImpl(SmallVectorImpl<std::pair<unsigned,
+ MDNode*> > &Result) const {
+ Result.clear();
+ assert(hasMetadataHashEntry() &&
+ getContext().pImpl->MetadataStore.count(this) &&
+ "Shouldn't have called this");
+ const LLVMContextImpl::MDMapTy &Info =
+ getContext().pImpl->MetadataStore.find(this)->second;
+ assert(!Info.empty() && "Shouldn't have called this");
+
+ Result.append(Info.begin(), Info.end());
+
+ // Sort the resulting array so it is stable.
+ if (Result.size() > 1)
+ array_pod_sort(Result.begin(), Result.end());
+}
+
+
/// removeAllMetadata - Remove all metadata from this instruction.
void Instruction::removeAllMetadata() {
assert(hasMetadata() && "Caller should check");
- getContext().pImpl->MetadataStore.erase(this);
- setHasMetadata(false);
+ DbgLoc = NewDebugLoc();
+ if (hasMetadataHashEntry()) {
+ getContext().pImpl->MetadataStore.erase(this);
+ setHasMetadataHashEntry(false);
+ }
}
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