Bitcode: Simplify MDNode subclass dispatch, NFC
llvm-svn: 226535
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@ -764,7 +764,7 @@ static void WriteValueAsMetadata(const ValueAsMetadata *MD,
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static void WriteMDTuple(const MDTuple *N, const ValueEnumerator &VE,
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BitstreamWriter &Stream,
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SmallVectorImpl<uint64_t> &Record) {
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SmallVectorImpl<uint64_t> &Record, unsigned Abbrev) {
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for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) {
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Metadata *MD = N->getOperand(i);
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assert(!(MD && isa<LocalAsMetadata>(MD)) &&
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@ -773,7 +773,7 @@ static void WriteMDTuple(const MDTuple *N, const ValueEnumerator &VE,
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}
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Stream.EmitRecord(N->isDistinct() ? bitc::METADATA_DISTINCT_NODE
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: bitc::METADATA_NODE,
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Record);
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Record, Abbrev);
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Record.clear();
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}
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@ -791,6 +791,12 @@ static void WriteMDLocation(const MDLocation *N, const ValueEnumerator &VE,
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Record.clear();
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}
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static void WriteGenericDwarfNode(const GenericDwarfNode *,
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const ValueEnumerator &, BitstreamWriter &,
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SmallVectorImpl<uint64_t> &, unsigned) {
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llvm_unreachable("unimplemented");
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}
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static void WriteModuleMetadata(const Module *M,
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const ValueEnumerator &VE,
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BitstreamWriter &Stream) {
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@ -810,7 +816,7 @@ static void WriteModuleMetadata(const Module *M,
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MDSAbbrev = Stream.EmitAbbrev(Abbv);
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}
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unsigned LocAbbrev = 0;
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unsigned MDLocationAbbrev = 0;
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if (VE.hasMDLocation()) {
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// Abbrev for METADATA_LOCATION.
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//
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@ -823,7 +829,7 @@ static void WriteModuleMetadata(const Module *M,
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Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8));
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Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6));
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Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6));
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LocAbbrev = Stream.EmitAbbrev(Abbv);
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MDLocationAbbrev = Stream.EmitAbbrev(Abbv);
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}
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unsigned NameAbbrev = 0;
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@ -836,15 +842,20 @@ static void WriteModuleMetadata(const Module *M,
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NameAbbrev = Stream.EmitAbbrev(Abbv);
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}
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unsigned MDTupleAbbrev = 0;
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unsigned GenericDwarfNodeAbbrev = 0;
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SmallVector<uint64_t, 64> Record;
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for (const Metadata *MD : MDs) {
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if (const MDLocation *Loc = dyn_cast<MDLocation>(MD)) {
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WriteMDLocation(Loc, VE, Stream, Record, LocAbbrev);
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continue;
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}
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if (const MDNode *N = dyn_cast<MDNode>(MD)) {
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WriteMDTuple(cast<MDTuple>(N), VE, Stream, Record);
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continue;
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switch (N->getMetadataID()) {
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default:
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llvm_unreachable("Invalid MDNode subclass");
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#define HANDLE_MDNODE_LEAF(CLASS) \
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case Metadata::CLASS##Kind: \
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Write##CLASS(cast<CLASS>(N), VE, Stream, Record, CLASS##Abbrev); \
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continue;
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#include "llvm/IR/Metadata.def"
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}
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}
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if (const auto *MDC = dyn_cast<ConstantAsMetadata>(MD)) {
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WriteValueAsMetadata(MDC, VE, Stream, Record);
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