diff options
Diffstat (limited to 'lib/Bitcode/Writer/BitcodeWriter.cpp')
| -rw-r--r-- | lib/Bitcode/Writer/BitcodeWriter.cpp | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/lib/Bitcode/Writer/BitcodeWriter.cpp b/lib/Bitcode/Writer/BitcodeWriter.cpp index d4d3443ee0..c836d39d25 100644 --- a/lib/Bitcode/Writer/BitcodeWriter.cpp +++ b/lib/Bitcode/Writer/BitcodeWriter.cpp @@ -458,6 +458,8 @@ static void WriteConstants(unsigned FirstVal, unsigned LastVal, unsigned String8Abbrev = 0; unsigned CString7Abbrev = 0; unsigned CString6Abbrev = 0; + unsigned MDString8Abbrev = 0; + unsigned MDString6Abbrev = 0; // If this is a constant pool for the module, emit module-specific abbrevs. if (isGlobal) { // Abbrev for CST_CODE_AGGREGATE. @@ -485,6 +487,19 @@ static void WriteConstants(unsigned FirstVal, unsigned LastVal, Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Char6)); CString6Abbrev = Stream.EmitAbbrev(Abbv); + + // Abbrev for CST_CODE_MDSTRING. + Abbv = new BitCodeAbbrev(); + Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_MDSTRING)); + Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); + Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 8)); + MDString8Abbrev = Stream.EmitAbbrev(Abbv); + // Abbrev for CST_CODE_MDSTRING. + Abbv = new BitCodeAbbrev(); + Abbv->Add(BitCodeAbbrevOp(bitc::CST_CODE_MDSTRING)); + Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); + Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Char6)); + MDString6Abbrev = Stream.EmitAbbrev(Abbv); } SmallVector<uint64_t, 64> Record; @@ -678,6 +693,22 @@ static void WriteConstants(unsigned FirstVal, unsigned LastVal, Record.push_back(CE->getPredicate()); break; } + } else if (const MDString *S = dyn_cast<MDString>(C)) { + Code = bitc::CST_CODE_MDSTRING; + AbbrevToUse = MDString6Abbrev; + for (unsigned i = 0, e = S->size(); i != e; ++i) { + char V = S->begin()[i]; + Record.push_back(V); + + if (!BitCodeAbbrevOp::isChar6(V)) + AbbrevToUse = MDString8Abbrev; + } + } else if (const MDNode *N = dyn_cast<MDNode>(C)) { + Code = bitc::CST_CODE_MDNODE; + for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) { + Record.push_back(VE.getTypeID(N->getOperand(i)->getType())); + Record.push_back(VE.getValueID(N->getOperand(i))); + } } else { assert(0 && "Unknown constant!"); } |