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AsmWriter/Bitcode: MDBasicType
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@229005 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -149,7 +149,8 @@ namespace bitc {
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METADATA_ATTACHMENT = 11, // [m x [value, [n x [id, mdnode]]]
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METADATA_GENERIC_DEBUG = 12, // [distinct, tag, vers, header, n x md num]
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METADATA_SUBRANGE = 13, // [distinct, count, lo]
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METADATA_ENUMERATOR = 14 // [distinct, value, name?]
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METADATA_ENUMERATOR = 14, // [distinct, value, name?]
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METADATA_BASIC_TYPE = 15 // [distinct, tag, name, size, align, enc]
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};
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// The constants block (CONSTANTS_BLOCK_ID) describes emission for each
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@ -381,6 +381,8 @@ public:
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Metadata *getScope() const { return getOperand(1); }
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StringRef getName() const { return getStringOperand(2); }
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MDString *getRawName() const { return getOperandAs<MDString>(2); }
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static bool classof(const Metadata *MD) {
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switch (MD->getMetadataID()) {
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default:
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@ -3194,9 +3194,23 @@ bool LLParser::ParseMDEnumerator(MDNode *&Result, bool IsDistinct) {
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return false;
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}
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/// ParseMDBasicType:
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/// ::= !MDBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32)
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bool LLParser::ParseMDBasicType(MDNode *&Result, bool IsDistinct) {
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return TokError("unimplemented parser");
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#define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \
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REQUIRED(tag, DwarfTagField, ); \
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OPTIONAL(name, MDStringField, ); \
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OPTIONAL(size, MDUnsignedField, (0, UINT32_MAX)); \
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OPTIONAL(align, MDUnsignedField, (0, UINT32_MAX)); \
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OPTIONAL(encoding, MDUnsignedField, (0, UINT32_MAX));
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PARSE_MD_FIELDS();
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#undef VISIT_MD_FIELDS
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Result = GET_OR_DISTINCT(MDBasicType, (Context, tag.Val, name.Val, size.Val,
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align.Val, encoding.Val));
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return false;
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}
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bool LLParser::ParseMDDerivedType(MDNode *&Result, bool IsDistinct) {
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return TokError("unimplemented parser");
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}
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@ -1371,6 +1371,17 @@ std::error_code BitcodeReader::ParseMetadata() {
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NextMDValueNo++);
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break;
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}
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case bitc::METADATA_BASIC_TYPE: {
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if (Record.size() != 6)
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return Error("Invalid record");
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MDValueList.AssignValue(
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GET_OR_DISTINCT(MDBasicType, Record[0],
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(Context, Record[1], getMDString(Record[2]),
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Record[3], Record[4], Record[5])),
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NextMDValueNo++);
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break;
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}
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case bitc::METADATA_STRING: {
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std::string String(Record.begin(), Record.end());
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llvm::UpgradeMDStringConstant(String);
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@ -838,11 +838,21 @@ static void WriteMDEnumerator(const MDEnumerator *N, const ValueEnumerator &VE,
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Record.clear();
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}
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static void WriteMDBasicType(const MDBasicType *, const ValueEnumerator &,
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BitstreamWriter &, SmallVectorImpl<uint64_t> &,
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unsigned) {
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llvm_unreachable("write not implemented");
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static void WriteMDBasicType(const MDBasicType *N, const ValueEnumerator &VE,
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BitstreamWriter &Stream,
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SmallVectorImpl<uint64_t> &Record,
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unsigned Abbrev) {
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Record.push_back(N->isDistinct());
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Record.push_back(N->getTag());
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Record.push_back(VE.getMetadataOrNullID(N->getRawName()));
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Record.push_back(N->getSizeInBits());
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Record.push_back(N->getAlignInBits());
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Record.push_back(N->getEncoding());
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Stream.EmitRecord(bitc::METADATA_BASIC_TYPE, Record, Abbrev);
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Record.clear();
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}
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static void WriteMDDerivedType(const MDDerivedType *, const ValueEnumerator &,
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BitstreamWriter &, SmallVectorImpl<uint64_t> &,
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unsigned) {
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@ -1366,10 +1366,22 @@ static void writeMDEnumerator(raw_ostream &Out, const MDEnumerator *N,
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Out << ")";
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}
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static void writeMDBasicType(raw_ostream &, const MDBasicType *, TypePrinting *,
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SlotTracker *, const Module *) {
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llvm_unreachable("write not implemented");
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static void writeMDBasicType(raw_ostream &Out, const MDBasicType *N,
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TypePrinting *, SlotTracker *, const Module *) {
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Out << "!MDBasicType(";
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FieldSeparator FS;
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writeTag(Out, FS, N);
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if (!N->getName().empty())
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Out << FS << "name: \"" << N->getName() << "\"";
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if (N->getSizeInBits())
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Out << FS << "size: " << N->getSizeInBits();
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if (N->getAlignInBits())
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Out << FS << "align: " << N->getAlignInBits();
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if (N->getEncoding())
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Out << FS << "encoding: " << N->getEncoding();
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Out << ")";
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}
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static void writeMDDerivedType(raw_ostream &, const MDDerivedType *,
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TypePrinting *, SlotTracker *, const Module *) {
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llvm_unreachable("write not implemented");
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@ -1,8 +1,8 @@
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; RUN: llvm-as < %s | llvm-dis | llvm-as | llvm-dis | FileCheck %s
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; RUN: verify-uselistorder %s
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; CHECK: !named = !{!0, !0, !1, !2, !3, !4, !5}
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!named = !{!0, !1, !2, !3, !4, !5, !6}
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; CHECK: !named = !{!0, !0, !1, !2, !3, !4, !5, !6, !7, !8, !8}
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!named = !{!0, !1, !2, !3, !4, !5, !6, !7, !8, !9, !10}
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; CHECK: !0 = !MDSubrange(count: 3)
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; CHECK-NEXT: !1 = !MDSubrange(count: 3, lowerBound: 4)
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@ -19,3 +19,11 @@
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!4 = !MDEnumerator(value: 7, name: "seven")
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!5 = !MDEnumerator(value: -8, name: "negeight")
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!6 = !MDEnumerator(value: 0, name: "")
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; CHECK-NEXT: !6 = !MDBasicType(tag: DW_TAG_base_type, name: "name", size: 1, align: 2, encoding: 3)
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; CHECK-NEXT: !7 = !MDBasicType(tag: DW_TAG_unspecified_type, name: "decltype(nullptr)")
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; CHECK-NEXT: !8 = !MDBasicType(tag: DW_TAG_base_type)
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!7 = !MDBasicType(tag: DW_TAG_base_type, name: "name", size: 1, align: 2, encoding: 3)
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!8 = !MDBasicType(tag: DW_TAG_unspecified_type, name: "decltype(nullptr)")
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!9 = !MDBasicType(tag: DW_TAG_base_type)
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!10 = !MDBasicType(tag: DW_TAG_base_type, name: "", size: 0, align: 0, encoding: 0)
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4
test/Assembler/invalid-mdbasictype-missing-tag.ll
Normal file
4
test/Assembler/invalid-mdbasictype-missing-tag.ll
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@ -0,0 +1,4 @@
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; RUN: not llvm-as < %s -disable-output 2>&1 | FileCheck %s
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; CHECK: [[@LINE+1]]:31: error: missing required field 'tag'
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!0 = !MDBasicType(name: "name")
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