#include "llvm/IR/AutoUpgrade.h"
#include "llvm/IR/CallingConv.h"
#include "llvm/IR/Constants.h"
+#include "llvm/IR/DebugInfo.h"
#include "llvm/IR/DebugInfoMetadata.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/InlineAsm.h"
return true;
}
- if (Ty->isFunctionTy() || Ty->isLabelTy())
+ if (Ty->isFunctionTy() || !PointerType::isValidElementType(Ty))
return Error(TyLoc, "invalid type for global variable");
GlobalValue *GVal = nullptr;
while (EatIfPresent(lltok::comma)) {
if (Lex.getKind() == lltok::MetadataVar) {
+ if (Indices.empty()) return TokError("expected index");
AteExtraComma = true;
return false;
}
/// forward reference record if needed.
BasicBlock *LLParser::PerFunctionState::GetBB(const std::string &Name,
LocTy Loc) {
- return cast_or_null<BasicBlock>(GetVal(Name,
- Type::getLabelTy(F.getContext()), Loc));
+ return dyn_cast_or_null<BasicBlock>(GetVal(Name,
+ Type::getLabelTy(F.getContext()), Loc));
}
BasicBlock *LLParser::PerFunctionState::GetBB(unsigned ID, LocTy Loc) {
- return cast_or_null<BasicBlock>(GetVal(ID,
- Type::getLabelTy(F.getContext()), Loc));
+ return dyn_cast_or_null<BasicBlock>(GetVal(ID,
+ Type::getLabelTy(F.getContext()), Loc));
}
/// DefineBB - Define the specified basic block, which is either named or
if (!F) {
// Make a global variable as a placeholder for this reference.
- GlobalValue *&FwdRef = ForwardRefBlockAddresses[Fn][Label];
+ GlobalValue *&FwdRef =
+ ForwardRefBlockAddresses.insert(std::make_pair(
+ std::move(Fn),
+ std::map<ValID, GlobalValue *>()))
+ .first->second.insert(std::make_pair(std::move(Label), nullptr))
+ .first->second;
if (!FwdRef)
FwdRef = new GlobalVariable(*M, Type::getInt8Ty(Context), false,
GlobalValue::InternalLinkage, nullptr, "");
return true;
if (!Val0->getType()->isAggregateType())
return Error(ID.Loc, "insertvalue operand must be aggregate type");
- if (!ExtractValueInst::getIndexedType(Val0->getType(), Indices))
+ Type *IndexedType =
+ ExtractValueInst::getIndexedType(Val0->getType(), Indices);
+ if (!IndexedType)
return Error(ID.Loc, "invalid indices for insertvalue");
+ if (IndexedType != Val1->getType())
+ return Error(ID.Loc, "insertvalue operand and field disagree in type: '" +
+ getTypeString(Val1->getType()) +
+ "' instead of '" + getTypeString(IndexedType) +
+ "'");
ID.ConstantVal = ConstantExpr::getInsertValue(Val0, Val1, Indices);
ID.Kind = ValID::t_Constant;
return false;
if (Opc == Instruction::GetElementPtr) {
if (Elts.size() == 0 ||
!Elts[0]->getType()->getScalarType()->isPointerTy())
- return Error(ID.Loc, "getelementptr requires pointer operand");
+ return Error(ID.Loc, "base of getelementptr must be a pointer");
+
+ Type *BaseType = Elts[0]->getType();
+ auto *BasePointerType = cast<PointerType>(BaseType->getScalarType());
ArrayRef<Constant *> Indices(Elts.begin() + 1, Elts.end());
+ for (Constant *Val : Indices) {
+ Type *ValTy = Val->getType();
+ if (!ValTy->getScalarType()->isIntegerTy())
+ return Error(ID.Loc, "getelementptr index must be an integer");
+ if (ValTy->isVectorTy() != BaseType->isVectorTy())
+ return Error(ID.Loc, "getelementptr index type missmatch");
+ if (ValTy->isVectorTy()) {
+ unsigned ValNumEl = cast<VectorType>(ValTy)->getNumElements();
+ unsigned PtrNumEl = cast<VectorType>(BaseType)->getNumElements();
+ if (ValNumEl != PtrNumEl)
+ return Error(
+ ID.Loc,
+ "getelementptr vector index has a wrong number of elements");
+ }
+ }
+
+ if (!Indices.empty() && !BasePointerType->getElementType()->isSized())
+ return Error(ID.Loc, "base element of getelementptr must be sized");
+
if (!GetElementPtrInst::getIndexedType(Elts[0]->getType(), Indices))
- return Error(ID.Loc, "invalid indices for getelementptr");
+ return Error(ID.Loc, "invalid getelementptr indices");
ID.ConstantVal = ConstantExpr::getGetElementPtr(Elts[0], Indices,
InBounds);
} else if (Opc == Instruction::Select) {
};
struct DwarfTagField : public MDUnsignedField {
DwarfTagField() : MDUnsignedField(0, dwarf::DW_TAG_hi_user) {}
+ DwarfTagField(dwarf::Tag DefaultTag)
+ : MDUnsignedField(DefaultTag, dwarf::DW_TAG_hi_user) {}
};
struct DwarfAttEncodingField : public MDUnsignedField {
DwarfAttEncodingField() : MDUnsignedField(0, dwarf::DW_ATE_hi_user) {}
};
+struct DwarfVirtualityField : public MDUnsignedField {
+ DwarfVirtualityField() : MDUnsignedField(0, dwarf::DW_VIRTUALITY_max) {}
+};
struct DwarfLangField : public MDUnsignedField {
DwarfLangField() : MDUnsignedField(0, dwarf::DW_LANG_hi_user) {}
};
+struct DIFlagField : public MDUnsignedField {
+ DIFlagField() : MDUnsignedField(0, UINT32_MAX) {}
+};
+
struct MDSignedField : public MDFieldImpl<int64_t> {
int64_t Min;
int64_t Max;
struct MDField : public MDFieldImpl<Metadata *> {
MDField() : ImplTy(nullptr) {}
};
+struct MDConstant : public MDFieldImpl<ConstantAsMetadata *> {
+ MDConstant() : ImplTy(nullptr) {}
+};
struct MDStringField : public MDFieldImpl<std::string> {
MDStringField() : ImplTy(std::string()) {}
};
return false;
}
+template <>
+bool LLParser::ParseMDField(LocTy Loc, StringRef Name,
+ DwarfVirtualityField &Result) {
+ if (Lex.getKind() == lltok::APSInt)
+ return ParseMDField(Loc, Name, static_cast<MDUnsignedField &>(Result));
+
+ if (Lex.getKind() != lltok::DwarfVirtuality)
+ return TokError("expected DWARF virtuality code");
+
+ unsigned Virtuality = dwarf::getVirtuality(Lex.getStrVal());
+ if (!Virtuality)
+ return TokError("invalid DWARF virtuality code" + Twine(" '") +
+ Lex.getStrVal() + "'");
+ assert(Virtuality <= Result.Max && "Expected valid DWARF virtuality code");
+ Result.assign(Virtuality);
+ Lex.Lex();
+ return false;
+}
+
template <>
bool LLParser::ParseMDField(LocTy Loc, StringRef Name, DwarfLangField &Result) {
if (Lex.getKind() == lltok::APSInt)
return false;
}
+/// DIFlagField
+/// ::= uint32
+/// ::= DIFlagVector
+/// ::= DIFlagVector '|' DIFlagFwdDecl '|' uint32 '|' DIFlagPublic
+template <>
+bool LLParser::ParseMDField(LocTy Loc, StringRef Name, DIFlagField &Result) {
+ assert(Result.Max == UINT32_MAX && "Expected only 32-bits");
+
+ // Parser for a single flag.
+ auto parseFlag = [&](unsigned &Val) {
+ if (Lex.getKind() == lltok::APSInt && !Lex.getAPSIntVal().isSigned())
+ return ParseUInt32(Val);
+
+ if (Lex.getKind() != lltok::DIFlag)
+ return TokError("expected debug info flag");
+
+ Val = DIDescriptor::getFlag(Lex.getStrVal());
+ if (!Val)
+ return TokError(Twine("invalid debug info flag flag '") +
+ Lex.getStrVal() + "'");
+ Lex.Lex();
+ return false;
+ };
+
+ // Parse the flags and combine them together.
+ unsigned Combined = 0;
+ do {
+ unsigned Val;
+ if (parseFlag(Val))
+ return true;
+ Combined |= Val;
+ } while (EatIfPresent(lltok::bar));
+
+ Result.assign(Combined);
+ return false;
+}
+
template <>
bool LLParser::ParseMDField(LocTy Loc, StringRef Name,
MDSignedField &Result) {
template <>
bool LLParser::ParseMDField(LocTy Loc, StringRef Name, MDField &Result) {
+ if (Lex.getKind() == lltok::kw_null) {
+ Lex.Lex();
+ Result.assign(nullptr);
+ return false;
+ }
+
Metadata *MD;
if (ParseMetadata(MD, nullptr))
return true;
return false;
}
+template <>
+bool LLParser::ParseMDField(LocTy Loc, StringRef Name, MDConstant &Result) {
+ Metadata *MD;
+ if (ParseValueAsMetadata(MD, "expected constant", nullptr))
+ return true;
+
+ Result.assign(cast<ConstantAsMetadata>(MD));
+ return false;
+}
+
template <>
bool LLParser::ParseMDField(LocTy Loc, StringRef Name, MDStringField &Result) {
std::string S;
/// ::= !MDSubrange(count: 30, lowerBound: 2)
bool LLParser::ParseMDSubrange(MDNode *&Result, bool IsDistinct) {
#define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \
- REQUIRED(count, MDUnsignedField, (0, UINT64_MAX >> 1)); \
+ REQUIRED(count, MDSignedField, (-1, -1, INT64_MAX)); \
OPTIONAL(lowerBound, MDSignedField, );
PARSE_MD_FIELDS();
#undef VISIT_MD_FIELDS
/// ::= !MDEnumerator(value: 30, name: "SomeKind")
bool LLParser::ParseMDEnumerator(MDNode *&Result, bool IsDistinct) {
#define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \
- REQUIRED(value, MDSignedField, ); \
- REQUIRED(name, MDStringField, );
+ REQUIRED(name, MDStringField, ); \
+ REQUIRED(value, MDSignedField, );
PARSE_MD_FIELDS();
#undef VISIT_MD_FIELDS
/// ::= !MDBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32)
bool LLParser::ParseMDBasicType(MDNode *&Result, bool IsDistinct) {
#define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \
- REQUIRED(tag, DwarfTagField, ); \
+ OPTIONAL(tag, DwarfTagField, (dwarf::DW_TAG_base_type)); \
OPTIONAL(name, MDStringField, ); \
- OPTIONAL(size, MDUnsignedField, (0, UINT32_MAX)); \
- OPTIONAL(align, MDUnsignedField, (0, UINT32_MAX)); \
+ OPTIONAL(size, MDUnsignedField, (0, UINT64_MAX)); \
+ OPTIONAL(align, MDUnsignedField, (0, UINT64_MAX)); \
OPTIONAL(encoding, DwarfAttEncodingField, );
PARSE_MD_FIELDS();
#undef VISIT_MD_FIELDS
OPTIONAL(line, LineField, ); \
OPTIONAL(scope, MDField, ); \
REQUIRED(baseType, MDField, ); \
- OPTIONAL(size, MDUnsignedField, (0, UINT32_MAX)); \
- OPTIONAL(align, MDUnsignedField, (0, UINT32_MAX)); \
- OPTIONAL(offset, MDUnsignedField, (0, UINT32_MAX)); \
- OPTIONAL(flags, MDUnsignedField, (0, UINT32_MAX)); \
+ OPTIONAL(size, MDUnsignedField, (0, UINT64_MAX)); \
+ OPTIONAL(align, MDUnsignedField, (0, UINT64_MAX)); \
+ OPTIONAL(offset, MDUnsignedField, (0, UINT64_MAX)); \
+ OPTIONAL(flags, DIFlagField, ); \
OPTIONAL(extraData, MDField, );
PARSE_MD_FIELDS();
#undef VISIT_MD_FIELDS
OPTIONAL(line, LineField, ); \
OPTIONAL(scope, MDField, ); \
OPTIONAL(baseType, MDField, ); \
- OPTIONAL(size, MDUnsignedField, (0, UINT32_MAX)); \
- OPTIONAL(align, MDUnsignedField, (0, UINT32_MAX)); \
- OPTIONAL(offset, MDUnsignedField, (0, UINT32_MAX)); \
- OPTIONAL(flags, MDUnsignedField, (0, UINT32_MAX)); \
+ OPTIONAL(size, MDUnsignedField, (0, UINT64_MAX)); \
+ OPTIONAL(align, MDUnsignedField, (0, UINT64_MAX)); \
+ OPTIONAL(offset, MDUnsignedField, (0, UINT64_MAX)); \
+ OPTIONAL(flags, DIFlagField, ); \
OPTIONAL(elements, MDField, ); \
OPTIONAL(runtimeLang, DwarfLangField, ); \
OPTIONAL(vtableHolder, MDField, ); \
}
bool LLParser::ParseMDSubroutineType(MDNode *&Result, bool IsDistinct) {
- return TokError("unimplemented parser");
+#define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \
+ OPTIONAL(flags, DIFlagField, ); \
+ REQUIRED(types, MDField, );
+ PARSE_MD_FIELDS();
+#undef VISIT_MD_FIELDS
+
+ Result = GET_OR_DISTINCT(MDSubroutineType, (Context, flags.Val, types.Val));
+ return false;
}
/// ParseMDFileType:
return false;
}
+/// ParseMDCompileUnit:
+/// ::= !MDCompileUnit(language: DW_LANG_C99, file: !0, producer: "clang",
+/// isOptimized: true, flags: "-O2", runtimeVersion: 1,
+/// splitDebugFilename: "abc.debug", emissionKind: 1,
+/// enums: !1, retainedTypes: !2, subprograms: !3,
+/// globals: !4, imports: !5)
bool LLParser::ParseMDCompileUnit(MDNode *&Result, bool IsDistinct) {
- return TokError("unimplemented parser");
+#define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \
+ REQUIRED(language, DwarfLangField, ); \
+ REQUIRED(file, MDField, ); \
+ OPTIONAL(producer, MDStringField, ); \
+ OPTIONAL(isOptimized, MDBoolField, ); \
+ OPTIONAL(flags, MDStringField, ); \
+ OPTIONAL(runtimeVersion, MDUnsignedField, (0, UINT32_MAX)); \
+ OPTIONAL(splitDebugFilename, MDStringField, ); \
+ OPTIONAL(emissionKind, MDUnsignedField, (0, UINT32_MAX)); \
+ OPTIONAL(enums, MDField, ); \
+ OPTIONAL(retainedTypes, MDField, ); \
+ OPTIONAL(subprograms, MDField, ); \
+ OPTIONAL(globals, MDField, ); \
+ OPTIONAL(imports, MDField, );
+ PARSE_MD_FIELDS();
+#undef VISIT_MD_FIELDS
+
+ Result = GET_OR_DISTINCT(MDCompileUnit,
+ (Context, language.Val, file.Val, producer.Val,
+ isOptimized.Val, flags.Val, runtimeVersion.Val,
+ splitDebugFilename.Val, emissionKind.Val, enums.Val,
+ retainedTypes.Val, subprograms.Val, globals.Val,
+ imports.Val));
+ return false;
}
+
+/// ParseMDSubprogram:
+/// ::= !MDSubprogram(scope: !0, name: "foo", linkageName: "_Zfoo",
+/// file: !1, line: 7, type: !2, isLocal: false,
+/// isDefinition: true, scopeLine: 8, containingType: !3,
+/// virtuality: DW_VIRTUALTIY_pure_virtual,
+/// virtualIndex: 10, flags: 11,
+/// isOptimized: false, function: void ()* @_Z3foov,
+/// templateParams: !4, declaration: !5, variables: !6)
bool LLParser::ParseMDSubprogram(MDNode *&Result, bool IsDistinct) {
- return TokError("unimplemented parser");
+#define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \
+ OPTIONAL(scope, MDField, ); \
+ REQUIRED(name, MDStringField, ); \
+ OPTIONAL(linkageName, MDStringField, ); \
+ OPTIONAL(file, MDField, ); \
+ OPTIONAL(line, LineField, ); \
+ OPTIONAL(type, MDField, ); \
+ OPTIONAL(isLocal, MDBoolField, ); \
+ OPTIONAL(isDefinition, MDBoolField, (true)); \
+ OPTIONAL(scopeLine, LineField, ); \
+ OPTIONAL(containingType, MDField, ); \
+ OPTIONAL(virtuality, DwarfVirtualityField, ); \
+ OPTIONAL(virtualIndex, MDUnsignedField, (0, UINT32_MAX)); \
+ OPTIONAL(flags, DIFlagField, ); \
+ OPTIONAL(isOptimized, MDBoolField, ); \
+ OPTIONAL(function, MDConstant, ); \
+ OPTIONAL(templateParams, MDField, ); \
+ OPTIONAL(declaration, MDField, ); \
+ OPTIONAL(variables, MDField, );
+ PARSE_MD_FIELDS();
+#undef VISIT_MD_FIELDS
+
+ Result = GET_OR_DISTINCT(
+ MDSubprogram, (Context, scope.Val, name.Val, linkageName.Val, file.Val,
+ line.Val, type.Val, isLocal.Val, isDefinition.Val,
+ scopeLine.Val, containingType.Val, virtuality.Val,
+ virtualIndex.Val, flags.Val, isOptimized.Val, function.Val,
+ templateParams.Val, declaration.Val, variables.Val));
+ return false;
}
+
+/// ParseMDLexicalBlock:
+/// ::= !MDLexicalBlock(scope: !0, file: !2, line: 7, column: 9)
bool LLParser::ParseMDLexicalBlock(MDNode *&Result, bool IsDistinct) {
- return TokError("unimplemented parser");
+#define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \
+ REQUIRED(scope, MDField, ); \
+ OPTIONAL(file, MDField, ); \
+ OPTIONAL(line, LineField, ); \
+ OPTIONAL(column, ColumnField, );
+ PARSE_MD_FIELDS();
+#undef VISIT_MD_FIELDS
+
+ Result = GET_OR_DISTINCT(
+ MDLexicalBlock, (Context, scope.Val, file.Val, line.Val, column.Val));
+ return false;
}
+
+/// ParseMDLexicalBlockFile:
+/// ::= !MDLexicalBlockFile(scope: !0, file: !2, discriminator: 9)
bool LLParser::ParseMDLexicalBlockFile(MDNode *&Result, bool IsDistinct) {
- return TokError("unimplemented parser");
+#define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \
+ REQUIRED(scope, MDField, ); \
+ OPTIONAL(file, MDField, ); \
+ REQUIRED(discriminator, MDUnsignedField, (0, UINT32_MAX));
+ PARSE_MD_FIELDS();
+#undef VISIT_MD_FIELDS
+
+ Result = GET_OR_DISTINCT(MDLexicalBlockFile,
+ (Context, scope.Val, file.Val, discriminator.Val));
+ return false;
}
+
+/// ParseMDNamespace:
+/// ::= !MDNamespace(scope: !0, file: !2, name: "SomeNamespace", line: 9)
bool LLParser::ParseMDNamespace(MDNode *&Result, bool IsDistinct) {
- return TokError("unimplemented parser");
+#define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \
+ REQUIRED(scope, MDField, ); \
+ OPTIONAL(file, MDField, ); \
+ OPTIONAL(name, MDStringField, ); \
+ OPTIONAL(line, LineField, );
+ PARSE_MD_FIELDS();
+#undef VISIT_MD_FIELDS
+
+ Result = GET_OR_DISTINCT(MDNamespace,
+ (Context, scope.Val, file.Val, name.Val, line.Val));
+ return false;
}
+
+/// ParseMDTemplateTypeParameter:
+/// ::= !MDTemplateTypeParameter(name: "Ty", type: !1)
bool LLParser::ParseMDTemplateTypeParameter(MDNode *&Result, bool IsDistinct) {
- return TokError("unimplemented parser");
+#define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \
+ OPTIONAL(name, MDStringField, ); \
+ REQUIRED(type, MDField, );
+ PARSE_MD_FIELDS();
+#undef VISIT_MD_FIELDS
+
+ Result =
+ GET_OR_DISTINCT(MDTemplateTypeParameter, (Context, name.Val, type.Val));
+ return false;
}
+
+/// ParseMDTemplateValueParameter:
+/// ::= !MDTemplateValueParameter(tag: DW_TAG_template_value_parameter,
+/// name: "V", type: !1, value: i32 7)
bool LLParser::ParseMDTemplateValueParameter(MDNode *&Result, bool IsDistinct) {
- return TokError("unimplemented parser");
+#define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \
+ OPTIONAL(tag, DwarfTagField, (dwarf::DW_TAG_template_value_parameter)); \
+ OPTIONAL(name, MDStringField, ); \
+ OPTIONAL(type, MDField, ); \
+ REQUIRED(value, MDField, );
+ PARSE_MD_FIELDS();
+#undef VISIT_MD_FIELDS
+
+ Result = GET_OR_DISTINCT(MDTemplateValueParameter,
+ (Context, tag.Val, name.Val, type.Val, value.Val));
+ return false;
}
+
+/// ParseMDGlobalVariable:
+/// ::= !MDGlobalVariable(scope: !0, name: "foo", linkageName: "foo",
+/// file: !1, line: 7, type: !2, isLocal: false,
+/// isDefinition: true, variable: i32* @foo,
+/// declaration: !3)
bool LLParser::ParseMDGlobalVariable(MDNode *&Result, bool IsDistinct) {
- return TokError("unimplemented parser");
+#define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \
+ OPTIONAL(scope, MDField, ); \
+ REQUIRED(name, MDStringField, ); \
+ OPTIONAL(linkageName, MDStringField, ); \
+ OPTIONAL(file, MDField, ); \
+ OPTIONAL(line, LineField, ); \
+ OPTIONAL(type, MDField, ); \
+ OPTIONAL(isLocal, MDBoolField, ); \
+ OPTIONAL(isDefinition, MDBoolField, (true)); \
+ OPTIONAL(variable, MDConstant, ); \
+ OPTIONAL(declaration, MDField, );
+ PARSE_MD_FIELDS();
+#undef VISIT_MD_FIELDS
+
+ Result = GET_OR_DISTINCT(MDGlobalVariable,
+ (Context, scope.Val, name.Val, linkageName.Val,
+ file.Val, line.Val, type.Val, isLocal.Val,
+ isDefinition.Val, variable.Val, declaration.Val));
+ return false;
}
+
+/// ParseMDLocalVariable:
+/// ::= !MDLocalVariable(tag: DW_TAG_arg_variable, scope: !0, name: "foo",
+/// file: !1, line: 7, type: !2, arg: 2, flags: 7,
+/// inlinedAt: !3)
bool LLParser::ParseMDLocalVariable(MDNode *&Result, bool IsDistinct) {
- return TokError("unimplemented parser");
+#define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \
+ REQUIRED(tag, DwarfTagField, ); \
+ OPTIONAL(scope, MDField, ); \
+ OPTIONAL(name, MDStringField, ); \
+ OPTIONAL(file, MDField, ); \
+ OPTIONAL(line, LineField, ); \
+ OPTIONAL(type, MDField, ); \
+ OPTIONAL(arg, MDUnsignedField, (0, UINT8_MAX)); \
+ OPTIONAL(flags, DIFlagField, ); \
+ OPTIONAL(inlinedAt, MDField, );
+ PARSE_MD_FIELDS();
+#undef VISIT_MD_FIELDS
+
+ Result = GET_OR_DISTINCT(
+ MDLocalVariable, (Context, tag.Val, scope.Val, name.Val, file.Val,
+ line.Val, type.Val, arg.Val, flags.Val, inlinedAt.Val));
+ return false;
}
+
+/// ParseMDExpression:
+/// ::= !MDExpression(0, 7, -1)
bool LLParser::ParseMDExpression(MDNode *&Result, bool IsDistinct) {
- return TokError("unimplemented parser");
+ assert(Lex.getKind() == lltok::MetadataVar && "Expected metadata type name");
+ Lex.Lex();
+
+ if (ParseToken(lltok::lparen, "expected '(' here"))
+ return true;
+
+ SmallVector<uint64_t, 8> Elements;
+ if (Lex.getKind() != lltok::rparen)
+ do {
+ if (Lex.getKind() == lltok::DwarfOp) {
+ if (unsigned Op = dwarf::getOperationEncoding(Lex.getStrVal())) {
+ Lex.Lex();
+ Elements.push_back(Op);
+ continue;
+ }
+ return TokError(Twine("invalid DWARF op '") + Lex.getStrVal() + "'");
+ }
+
+ if (Lex.getKind() != lltok::APSInt || Lex.getAPSIntVal().isSigned())
+ return TokError("expected unsigned integer");
+
+ auto &U = Lex.getAPSIntVal();
+ if (U.ugt(UINT64_MAX))
+ return TokError("element too large, limit is " + Twine(UINT64_MAX));
+ Elements.push_back(U.getZExtValue());
+ Lex.Lex();
+ } while (EatIfPresent(lltok::comma));
+
+ if (ParseToken(lltok::rparen, "expected ')' here"))
+ return true;
+
+ Result = GET_OR_DISTINCT(MDExpression, (Context, Elements));
+ return false;
}
+
+/// ParseMDObjCProperty:
+/// ::= !MDObjCProperty(name: "foo", file: !1, line: 7, setter: "setFoo",
+/// getter: "getFoo", attributes: 7, type: !2)
bool LLParser::ParseMDObjCProperty(MDNode *&Result, bool IsDistinct) {
- return TokError("unimplemented parser");
+#define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \
+ REQUIRED(name, MDStringField, ); \
+ OPTIONAL(file, MDField, ); \
+ OPTIONAL(line, LineField, ); \
+ OPTIONAL(setter, MDStringField, ); \
+ OPTIONAL(getter, MDStringField, ); \
+ OPTIONAL(attributes, MDUnsignedField, (0, UINT32_MAX)); \
+ OPTIONAL(type, MDField, );
+ PARSE_MD_FIELDS();
+#undef VISIT_MD_FIELDS
+
+ Result = GET_OR_DISTINCT(MDObjCProperty,
+ (Context, name.Val, file.Val, line.Val, setter.Val,
+ getter.Val, attributes.Val, type.Val));
+ return false;
}
+
+/// ParseMDImportedEntity:
+/// ::= !MDImportedEntity(tag: DW_TAG_imported_module, scope: !0, entity: !1,
+/// line: 7, name: "foo")
bool LLParser::ParseMDImportedEntity(MDNode *&Result, bool IsDistinct) {
- return TokError("unimplemented parser");
+#define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \
+ REQUIRED(tag, DwarfTagField, ); \
+ REQUIRED(scope, MDField, ); \
+ OPTIONAL(entity, MDField, ); \
+ OPTIONAL(line, LineField, ); \
+ OPTIONAL(name, MDStringField, );
+ PARSE_MD_FIELDS();
+#undef VISIT_MD_FIELDS
+
+ Result = GET_OR_DISTINCT(MDImportedEntity, (Context, tag.Val, scope.Val,
+ entity.Val, line.Val, name.Val));
+ return false;
}
+
#undef PARSE_MD_FIELD
#undef NOP_FIELD
#undef REQUIRE_FIELD
/// ::= i32 %local
/// ::= i32 @global
/// ::= i32 7
-bool LLParser::ParseValueAsMetadata(Metadata *&MD, PerFunctionState *PFS) {
+bool LLParser::ParseValueAsMetadata(Metadata *&MD, const Twine &TypeMsg,
+ PerFunctionState *PFS) {
Type *Ty;
LocTy Loc;
- if (ParseType(Ty, "expected metadata operand", Loc))
+ if (ParseType(Ty, TypeMsg, Loc))
return true;
if (Ty->isMetadataTy())
return Error(Loc, "invalid metadata-value-metadata roundtrip");
// ValueAsMetadata:
// <type> <value>
if (Lex.getKind() != lltok::exclaim)
- return ParseValueAsMetadata(MD, PFS);
+ return ParseValueAsMetadata(MD, "expected metadata operand", PFS);
// '!'.
assert(Lex.getKind() == lltok::exclaim && "Expected '!' here");
}
BasicBlock *BB = PFS.DefineBB(Name, NameLoc);
- if (!BB) return true;
+ if (!BB)
+ return Error(NameLoc,
+ "unable to create block named '" + Name + "'");
std::string NameStr;
if (I != E)
return Error(CallLoc, "not enough parameters specified for call");
- if (FnAttrs.hasAttributes())
+ if (FnAttrs.hasAttributes()) {
+ if (FnAttrs.hasAlignmentAttr())
+ return Error(CallLoc, "invoke instructions may not have an alignment");
+
Attrs.push_back(AttributeSet::get(RetType->getContext(),
AttributeSet::FunctionIndex,
FnAttrs));
+ }
// Finish off the Attribute and check them
AttributeSet PAL = AttributeSet::get(Context, Attrs);
ParseTypeAndValue(PersFn, PersFnLoc, PFS))
return true;
- LandingPadInst *LP = LandingPadInst::Create(Ty, PersFn, 0);
+ std::unique_ptr<LandingPadInst> LP(LandingPadInst::Create(Ty, PersFn, 0));
LP->setCleanup(EatIfPresent(lltok::kw_cleanup));
while (Lex.getKind() == lltok::kw_catch || Lex.getKind() == lltok::kw_filter){
Value *V;
LocTy VLoc;
- if (ParseTypeAndValue(V, VLoc, PFS)) {
- delete LP;
+ if (ParseTypeAndValue(V, VLoc, PFS))
return true;
- }
// A 'catch' type expects a non-array constant. A filter clause expects an
// array constant.
Error(VLoc, "'filter' clause has an invalid type");
}
- LP->addClause(cast<Constant>(V));
+ Constant *CV = dyn_cast<Constant>(V);
+ if (!CV)
+ return Error(VLoc, "clause argument must be a constant");
+ LP->addClause(CV);
}
- Inst = LP;
+ Inst = LP.release();
return false;
}
if (I != E)
return Error(CallLoc, "not enough parameters specified for call");
- if (FnAttrs.hasAttributes())
+ if (FnAttrs.hasAttributes()) {
+ if (FnAttrs.hasAlignmentAttr())
+ return Error(CallLoc, "call instructions may not have an alignment");
+
Attrs.push_back(AttributeSet::get(RetType->getContext(),
AttributeSet::FunctionIndex,
FnAttrs));
+ }
// Finish off the Attribute and check them
AttributeSet PAL = AttributeSet::get(Context, Attrs);
/// ::= 'alloca' 'inalloca'? Type (',' TypeAndValue)? (',' 'align' i32)?
int LLParser::ParseAlloc(Instruction *&Inst, PerFunctionState &PFS) {
Value *Size = nullptr;
- LocTy SizeLoc;
+ LocTy SizeLoc, TyLoc;
unsigned Alignment = 0;
Type *Ty = nullptr;
bool IsInAlloca = EatIfPresent(lltok::kw_inalloca);
- if (ParseType(Ty)) return true;
+ if (ParseType(Ty, TyLoc)) return true;
- if (!PointerType::isValidElementType(Ty))
- return TokError("pointer to this type is invalid");
+ if (Ty->isFunctionTy() || !PointerType::isValidElementType(Ty))
+ return Error(TyLoc, "invalid type for alloca");
bool AteExtraComma = false;
if (EatIfPresent(lltok::comma)) {
Lex.Lex();
}
- if (ParseTypeAndValue(Val, Loc, PFS) ||
+ Type *Ty = nullptr;
+ LocTy ExplicitTypeLoc = Lex.getLoc();
+ if (ParseType(Ty) ||
+ ParseToken(lltok::comma, "expected comma after load's type") ||
+ ParseTypeAndValue(Val, Loc, PFS) ||
ParseScopeAndOrdering(isAtomic, Scope, Ordering) ||
ParseOptionalCommaAlign(Alignment, AteExtraComma))
return true;
if (Ordering == Release || Ordering == AcquireRelease)
return Error(Loc, "atomic load cannot use Release ordering");
+ if (Ty != cast<PointerType>(Val->getType())->getElementType())
+ return Error(ExplicitTypeLoc,
+ "explicit pointee type doesn't match operand's pointee type");
+
Inst = new LoadInst(Val, "", isVolatile, Alignment, Ordering, Scope);
return AteExtraComma ? InstExtraComma : InstNormal;
}
bool InBounds = EatIfPresent(lltok::kw_inbounds);
- if (ParseTypeAndValue(Ptr, Loc, PFS)) return true;
+ Type *Ty = nullptr;
+ LocTy ExplicitTypeLoc = Lex.getLoc();
+ if (ParseType(Ty) ||
+ ParseToken(lltok::comma, "expected comma after getelementptr's type") ||
+ ParseTypeAndValue(Ptr, Loc, PFS))
+ return true;
Type *BaseType = Ptr->getType();
PointerType *BasePointerType = dyn_cast<PointerType>(BaseType->getScalarType());
if (!BasePointerType)
return Error(Loc, "base of getelementptr must be a pointer");
+ if (Ty != BasePointerType->getElementType())
+ return Error(ExplicitTypeLoc,
+ "explicit pointee type doesn't match operand's pointee type");
+
SmallVector<Value*, 16> Indices;
bool AteExtraComma = false;
while (EatIfPresent(lltok::comma)) {
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