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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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46
lib/Bitcode/Writer/BitcodeWriter.cpp
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@ -509,7 +509,8 @@ static void WriteMDNode(const MDNode *N,
Record.clear();
}
static void WriteModuleMetadata(const ValueEnumerator &VE,
static void WriteModuleMetadata(const Module *M,
const ValueEnumerator &VE,
BitstreamWriter &Stream) {
const ValueEnumerator::ValueList &Vals = VE.getMDValues();
bool StartedMetadataBlock = false;
@ -544,27 +545,32 @@ static void WriteModuleMetadata(const ValueEnumerator &VE,
// Emit the finished record.
Stream.EmitRecord(bitc::METADATA_STRING, Record, MDSAbbrev);
Record.clear();
} else if (const NamedMDNode *NMD = dyn_cast<NamedMDNode>(Vals[i].first)) {
if (!StartedMetadataBlock) {
Stream.EnterSubblock(bitc::METADATA_BLOCK_ID, 3);
StartedMetadataBlock = true;
}
// Write name.
StringRef Str = NMD->getName();
for (unsigned i = 0, e = Str.size(); i != e; ++i)
Record.push_back(Str[i]);
Stream.EmitRecord(bitc::METADATA_NAME, Record, 0/*TODO*/);
Record.clear();
// Write named metadata operands.
for (unsigned i = 0, e = NMD->getNumOperands(); i != e; ++i)
Record.push_back(VE.getValueID(NMD->getOperand(i)));
Stream.EmitRecord(bitc::METADATA_NAMED_NODE, Record, 0);
Record.clear();
}
}
// Write named metadata.
for (Module::const_named_metadata_iterator I = M->named_metadata_begin(),
E = M->named_metadata_end(); I != E; ++I) {
const NamedMDNode *NMD = I;
if (!StartedMetadataBlock) {
Stream.EnterSubblock(bitc::METADATA_BLOCK_ID, 3);
StartedMetadataBlock = true;
}
// Write name.
StringRef Str = NMD->getName();
for (unsigned i = 0, e = Str.size(); i != e; ++i)
Record.push_back(Str[i]);
Stream.EmitRecord(bitc::METADATA_NAME, Record, 0/*TODO*/);
Record.clear();
// Write named metadata operands.
for (unsigned i = 0, e = NMD->getNumOperands(); i != e; ++i)
Record.push_back(VE.getValueID(NMD->getOperand(i)));
Stream.EmitRecord(bitc::METADATA_NAMED_NODE, Record, 0);
Record.clear();
}
if (StartedMetadataBlock)
Stream.ExitBlock();
}
@ -1530,7 +1536,7 @@ static void WriteModule(const Module *M, BitstreamWriter &Stream) {
WriteModuleConstants(VE, Stream);
// Emit metadata.
WriteModuleMetadata(VE, Stream);
WriteModuleMetadata(M, VE, Stream);
// Emit function bodies.
for (Module::const_iterator I = M->begin(), E = M->end(); I != E; ++I)