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Make NamedMDNode not be a subclass of Value, and simplify the interface

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for creating and populating NamedMDNodes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109061 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2010-07-21 23:38:33 +00:00
parent fcbd1a749f
commit 17aa92c92a
19 changed files with 97 additions and 273 deletions
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29
lib/Bitcode/Writer/ValueEnumerator.cpp
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@ -75,7 +75,7 @@ ValueEnumerator::ValueEnumerator(const Module *M) {
// Insert constants and metadata that are named at module level into the slot
// pool so that the module symbol table can refer to them...
EnumerateValueSymbolTable(M->getValueSymbolTable());
EnumerateMDSymbolTable(M->getMDSymbolTable());
EnumerateNamedMetadata(M);
SmallVector<std::pair<unsigned, MDNode*>, 8> MDs;
@ -207,31 +207,18 @@ void ValueEnumerator::EnumerateValueSymbolTable(const ValueSymbolTable &VST) {
EnumerateValue(VI->getValue());
}
/// EnumerateMDSymbolTable - Insert all of the values in the specified metadata
/// table.
void ValueEnumerator::EnumerateMDSymbolTable(const MDSymbolTable &MST) {
for (MDSymbolTable::const_iterator MI = MST.begin(), ME = MST.end();
MI != ME; ++MI)
EnumerateValue(MI->getValue());
/// EnumerateNamedMetadata - Insert all of the values referenced by
/// named metadata in the specified module.
void ValueEnumerator::EnumerateNamedMetadata(const Module *M) {
for (Module::const_named_metadata_iterator I = M->named_metadata_begin(),
E = M->named_metadata_end(); I != E; ++I)
EnumerateNamedMDNode(I);
}
void ValueEnumerator::EnumerateNamedMDNode(const NamedMDNode *MD) {
// Check to see if it's already in!
unsigned &MDValueID = MDValueMap[MD];
if (MDValueID) {
// Increment use count.
MDValues[MDValueID-1].second++;
return;
}
// Enumerate the type of this value.
EnumerateType(MD->getType());
for (unsigned i = 0, e = MD->getNumOperands(); i != e; ++i)
if (MDNode *E = MD->getOperand(i))
EnumerateValue(E);
MDValues.push_back(std::make_pair(MD, 1U));
MDValueMap[MD] = Values.size();
}
void ValueEnumerator::EnumerateMetadata(const Value *MD) {
@ -272,8 +259,6 @@ void ValueEnumerator::EnumerateValue(const Value *V) {
assert(!V->getType()->isVoidTy() && "Can't insert void values!");
if (isa<MDNode>(V) || isa<MDString>(V))
return EnumerateMetadata(V);
else if (const NamedMDNode *NMD = dyn_cast<NamedMDNode>(V))
return EnumerateNamedMDNode(NMD);
// Check to see if it's already in!
unsigned &ValueID = ValueMap[V];