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Bitcode: Add abbreviation for METADATA_NAME

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@225715 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan P. N. Exon Smith 2015-01-12 22:34:10 +00:00
parent 442539c468
commit 0c3289e0bb
1 changed files with 12 additions and 3 deletions
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15
lib/Bitcode/Writer/BitcodeWriter.cpp
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@ -798,6 +798,16 @@ static void WriteModuleMetadata(const Module *M,
MDSAbbrev = Stream.EmitAbbrev(Abbv);
}
unsigned NameAbbrev = 0;
if (!M->named_metadata_empty()) {
// Abbrev for METADATA_NAME.
BitCodeAbbrev *Abbv = new BitCodeAbbrev();
Abbv->Add(BitCodeAbbrevOp(bitc::METADATA_NAME));
Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array));
Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 8));
NameAbbrev = Stream.EmitAbbrev(Abbv);
}
SmallVector<uint64_t, 64> Record;
for (const Metadata *MD : MDs) {
if (const MDNode *N = dyn_cast<MDNode>(MD)) {
@ -821,9 +831,8 @@ static void WriteModuleMetadata(const Module *M,
for (const NamedMDNode &NMD : M->named_metadata()) {
// 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.append(Str.bytes_begin(), Str.bytes_end());
Stream.EmitRecord(bitc::METADATA_NAME, Record, NameAbbrev);
Record.clear();
// Write named metadata operands.