break;
case lltok::kw_byval:
case lltok::kw_dereferenceable:
+ case lltok::kw_dereferenceable_or_null:
case lltok::kw_inalloca:
case lltok::kw_nest:
case lltok::kw_noalias:
case lltok::kw_byval: B.addAttribute(Attribute::ByVal); break;
case lltok::kw_dereferenceable: {
uint64_t Bytes;
- if (ParseOptionalDereferenceableBytes(Bytes))
+ if (ParseOptionalDerefAttrBytes(lltok::kw_dereferenceable, Bytes))
return true;
B.addDereferenceableAttr(Bytes);
continue;
}
+ case lltok::kw_dereferenceable_or_null: {
+ uint64_t Bytes;
+ if (ParseOptionalDerefAttrBytes(lltok::kw_dereferenceable_or_null, Bytes))
+ return true;
+ B.addDereferenceableOrNullAttr(Bytes);
+ continue;
+ }
case lltok::kw_inalloca: B.addAttribute(Attribute::InAlloca); break;
case lltok::kw_inreg: B.addAttribute(Attribute::InReg); break;
case lltok::kw_nest: B.addAttribute(Attribute::Nest); break;
return HaveError;
case lltok::kw_dereferenceable: {
uint64_t Bytes;
- if (ParseOptionalDereferenceableBytes(Bytes))
+ if (ParseOptionalDerefAttrBytes(lltok::kw_dereferenceable, Bytes))
return true;
B.addDereferenceableAttr(Bytes);
continue;
}
+ case lltok::kw_dereferenceable_or_null: {
+ uint64_t Bytes;
+ if (ParseOptionalDerefAttrBytes(lltok::kw_dereferenceable_or_null, Bytes))
+ return true;
+ B.addDereferenceableOrNullAttr(Bytes);
+ continue;
+ }
case lltok::kw_inreg: B.addAttribute(Attribute::InReg); break;
case lltok::kw_noalias: B.addAttribute(Attribute::NoAlias); break;
case lltok::kw_nonnull: B.addAttribute(Attribute::NonNull); break;
return false;
}
-/// ParseOptionalDereferenceableBytes
+/// ParseOptionalDerefAttrBytes
/// ::= /* empty */
-/// ::= 'dereferenceable' '(' 4 ')'
-bool LLParser::ParseOptionalDereferenceableBytes(uint64_t &Bytes) {
+/// ::= AttrKind '(' 4 ')'
+///
+/// where AttrKind is either 'dereferenceable' or 'dereferenceable_or_null'.
+bool LLParser::ParseOptionalDerefAttrBytes(lltok::Kind AttrKind,
+ uint64_t &Bytes) {
+ assert((AttrKind == lltok::kw_dereferenceable ||
+ AttrKind == lltok::kw_dereferenceable_or_null) &&
+ "contract!");
+
Bytes = 0;
- if (!EatIfPresent(lltok::kw_dereferenceable))
+ if (!EatIfPresent(AttrKind))
return false;
LocTy ParenLoc = Lex.getLoc();
if (!EatIfPresent(lltok::lparen))
/// 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, "");
unsigned Opc = Lex.getUIntVal();
SmallVector<Constant*, 16> Elts;
bool InBounds = false;
+ Type *Ty;
Lex.Lex();
+
if (Opc == Instruction::GetElementPtr)
InBounds = EatIfPresent(lltok::kw_inbounds);
- if (ParseToken(lltok::lparen, "expected '(' in constantexpr") ||
- ParseGlobalValueVector(Elts) ||
+
+ if (ParseToken(lltok::lparen, "expected '(' in constantexpr"))
+ return true;
+
+ LocTy ExplicitTypeLoc = Lex.getLoc();
+ if (Opc == Instruction::GetElementPtr) {
+ if (ParseType(Ty) ||
+ ParseToken(lltok::comma, "expected comma after getelementptr's type"))
+ return true;
+ }
+
+ if (ParseGlobalValueVector(Elts) ||
ParseToken(lltok::rparen, "expected ')' in constantexpr"))
return true;
Type *BaseType = Elts[0]->getType();
auto *BasePointerType = cast<PointerType>(BaseType->getScalarType());
+ if (Ty != BasePointerType->getElementType())
+ return Error(
+ ExplicitTypeLoc,
+ "explicit pointee type doesn't match operand's pointee type");
ArrayRef<Constant *> Indices(Elts.begin() + 1, Elts.end());
for (Constant *Val : Indices) {
}
}
- if (!Indices.empty() && !BasePointerType->getElementType()->isSized())
+ SmallPtrSet<const Type*, 4> Visited;
+ if (!Indices.empty() &&
+ !BasePointerType->getElementType()->isSized(&Visited))
return Error(ID.Loc, "base element of getelementptr must be sized");
- if (!GetElementPtrInst::getIndexedType(Elts[0]->getType(), Indices))
+ if (!GetElementPtrInst::getIndexedType(Ty, Indices))
return Error(ID.Loc, "invalid getelementptr indices");
- ID.ConstantVal = ConstantExpr::getGetElementPtr(Elts[0], Indices,
- InBounds);
+ ID.ConstantVal =
+ ConstantExpr::getGetElementPtr(Ty, Elts[0], Indices, InBounds);
} else if (Opc == Instruction::Select) {
if (Elts.size() != 3)
return Error(ID.Loc, "expected three operands to select");
MDBoolField(bool Default = false) : ImplTy(Default) {}
};
struct MDField : public MDFieldImpl<Metadata *> {
- MDField() : ImplTy(nullptr) {}
+ bool AllowNull;
+
+ MDField(bool AllowNull = true) : ImplTy(nullptr), AllowNull(AllowNull) {}
};
struct MDConstant : public MDFieldImpl<ConstantAsMetadata *> {
MDConstant() : ImplTy(nullptr) {}
};
-struct MDStringField : public MDFieldImpl<std::string> {
- MDStringField() : ImplTy(std::string()) {}
+struct MDStringField : public MDFieldImpl<MDString *> {
+ bool AllowEmpty;
+ MDStringField(bool AllowEmpty = true)
+ : ImplTy(nullptr), AllowEmpty(AllowEmpty) {}
};
struct MDFieldList : public MDFieldImpl<SmallVector<Metadata *, 4>> {
MDFieldList() : ImplTy(SmallVector<Metadata *, 4>()) {}
if (Lex.getKind() != lltok::DIFlag)
return TokError("expected debug info flag");
- Val = DIDescriptor::getFlag(Lex.getStrVal());
+ Val = DebugNode::getFlag(Lex.getStrVal());
if (!Val)
return TokError(Twine("invalid debug info flag flag '") +
Lex.getStrVal() + "'");
template <>
bool LLParser::ParseMDField(LocTy Loc, StringRef Name, MDField &Result) {
if (Lex.getKind() == lltok::kw_null) {
+ if (!Result.AllowNull)
+ return TokError("'" + Name + "' cannot be null");
Lex.Lex();
Result.assign(nullptr);
return false;
template <>
bool LLParser::ParseMDField(LocTy Loc, StringRef Name, MDStringField &Result) {
+ LocTy ValueLoc = Lex.getLoc();
std::string S;
if (ParseStringConstant(S))
return true;
- Result.assign(std::move(S));
+ if (!Result.AllowEmpty && S.empty())
+ return Error(ValueLoc, "'" + Name + "' cannot be empty");
+
+ Result.assign(S.empty() ? nullptr : MDString::get(Context, S));
return false;
}
#define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \
OPTIONAL(line, LineField, ); \
OPTIONAL(column, ColumnField, ); \
- REQUIRED(scope, MDField, ); \
+ REQUIRED(scope, MDField, (/* AllowNull */ false)); \
OPTIONAL(inlinedAt, MDField, );
PARSE_MD_FIELDS();
#undef VISIT_MD_FIELDS
- auto get = (IsDistinct ? MDLocation::getDistinct : MDLocation::get);
- Result = get(Context, line.Val, column.Val, scope.Val, inlinedAt.Val);
+ Result = GET_OR_DISTINCT(
+ MDLocation, (Context, line.Val, column.Val, scope.Val, inlinedAt.Val));
return false;
}
bool LLParser::ParseMDCompileUnit(MDNode *&Result, bool IsDistinct) {
#define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \
REQUIRED(language, DwarfLangField, ); \
- REQUIRED(file, MDField, ); \
+ REQUIRED(file, MDField, (/* AllowNull */ false)); \
OPTIONAL(producer, MDStringField, ); \
OPTIONAL(isOptimized, MDBoolField, ); \
OPTIONAL(flags, MDStringField, ); \
bool LLParser::ParseMDSubprogram(MDNode *&Result, bool IsDistinct) {
#define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \
OPTIONAL(scope, MDField, ); \
- REQUIRED(name, MDStringField, ); \
+ OPTIONAL(name, MDStringField, ); \
OPTIONAL(linkageName, MDStringField, ); \
OPTIONAL(file, MDField, ); \
OPTIONAL(line, LineField, ); \
/// ::= !MDLexicalBlock(scope: !0, file: !2, line: 7, column: 9)
bool LLParser::ParseMDLexicalBlock(MDNode *&Result, bool IsDistinct) {
#define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \
- REQUIRED(scope, MDField, ); \
+ REQUIRED(scope, MDField, (/* AllowNull */ false)); \
OPTIONAL(file, MDField, ); \
OPTIONAL(line, LineField, ); \
OPTIONAL(column, ColumnField, );
/// ::= !MDLexicalBlockFile(scope: !0, file: !2, discriminator: 9)
bool LLParser::ParseMDLexicalBlockFile(MDNode *&Result, bool IsDistinct) {
#define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \
- REQUIRED(scope, MDField, ); \
+ REQUIRED(scope, MDField, (/* AllowNull */ false)); \
OPTIONAL(file, MDField, ); \
REQUIRED(discriminator, MDUnsignedField, (0, UINT32_MAX));
PARSE_MD_FIELDS();
/// declaration: !3)
bool LLParser::ParseMDGlobalVariable(MDNode *&Result, bool IsDistinct) {
#define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \
+ REQUIRED(name, MDStringField, (/* AllowEmpty */ false)); \
OPTIONAL(scope, MDField, ); \
- REQUIRED(name, MDStringField, ); \
OPTIONAL(linkageName, MDStringField, ); \
OPTIONAL(file, MDField, ); \
OPTIONAL(line, LineField, ); \
/// ParseMDLocalVariable:
/// ::= !MDLocalVariable(tag: DW_TAG_arg_variable, scope: !0, name: "foo",
-/// file: !1, line: 7, type: !2, arg: 2, flags: 7,
-/// inlinedAt: !3)
+/// file: !1, line: 7, type: !2, arg: 2, flags: 7)
bool LLParser::ParseMDLocalVariable(MDNode *&Result, bool IsDistinct) {
#define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \
REQUIRED(tag, DwarfTagField, ); \
- OPTIONAL(scope, MDField, ); \
+ REQUIRED(scope, MDField, (/* AllowNull */ false)); \
OPTIONAL(name, MDStringField, ); \
OPTIONAL(file, MDField, ); \
OPTIONAL(line, LineField, ); \
OPTIONAL(type, MDField, ); \
OPTIONAL(arg, MDUnsignedField, (0, UINT8_MAX)); \
- OPTIONAL(flags, DIFlagField, ); \
- OPTIONAL(inlinedAt, MDField, );
+ OPTIONAL(flags, DIFlagField, );
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));
+ Result = GET_OR_DISTINCT(MDLocalVariable,
+ (Context, tag.Val, scope.Val, name.Val, file.Val,
+ line.Val, type.Val, arg.Val, flags.Val));
return false;
}
/// getter: "getFoo", attributes: 7, type: !2)
bool LLParser::ParseMDObjCProperty(MDNode *&Result, bool IsDistinct) {
#define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \
- REQUIRED(name, MDStringField, ); \
+ OPTIONAL(name, MDStringField, ); \
OPTIONAL(file, MDField, ); \
OPTIONAL(line, LineField, ); \
OPTIONAL(setter, MDStringField, ); \
}
BasicBlock *BB = PFS.DefineBB(Name, NameLoc);
- if (!BB) return true;
+ if (!BB)
+ return Error(NameLoc,
+ "unable to create block named '" + Name + "'");
std::string NameStr;
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 RetType is a non-function pointer type, then this is the short syntax
// for the call, which means that RetType is just the return type. Infer the
// rest of the function argument types from the arguments that are present.
- PointerType *PFTy = nullptr;
- FunctionType *Ty = nullptr;
- if (!(PFTy = dyn_cast<PointerType>(RetType)) ||
- !(Ty = dyn_cast<FunctionType>(PFTy->getElementType()))) {
+ FunctionType *Ty = dyn_cast<FunctionType>(RetType);
+ if (!Ty) {
// Pull out the types of all of the arguments...
std::vector<Type*> ParamTypes;
for (unsigned i = 0, e = ArgList.size(); i != e; ++i)
return Error(RetTypeLoc, "Invalid result type for LLVM function");
Ty = FunctionType::get(RetType, ParamTypes, false);
- PFTy = PointerType::getUnqual(Ty);
}
// Look up the callee.
Value *Callee;
- if (ConvertValIDToValue(PFTy, CalleeID, Callee, &PFS)) return true;
+ if (ConvertValIDToValue(PointerType::getUnqual(Ty), CalleeID, Callee, &PFS))
+ return true;
// Set up the Attribute for the function.
SmallVector<AttributeSet, 8> Attrs;
Lex.Lex();
}
- Type *Ty = nullptr;
+ Type *Ty;
LocTy ExplicitTypeLoc = Lex.getLoc();
if (ParseType(Ty) ||
ParseToken(lltok::comma, "expected comma after load's type") ||
ParseOptionalCommaAlign(Alignment, AteExtraComma))
return true;
- if (!Val->getType()->isPointerTy() ||
- !cast<PointerType>(Val->getType())->getElementType()->isFirstClassType())
+ if (!Val->getType()->isPointerTy() || !Ty->isFirstClassType())
return Error(Loc, "load operand must be a pointer to a first class type");
if (isAtomic && !Alignment)
return Error(Loc, "atomic load must have explicit non-zero alignment");
return Error(ExplicitTypeLoc,
"explicit pointee type doesn't match operand's pointee type");
- Inst = new LoadInst(Val, "", isVolatile, Alignment, Ordering, Scope);
+ Inst = new LoadInst(Ty, Val, "", isVolatile, Alignment, Ordering, Scope);
return AteExtraComma ? InstExtraComma : InstNormal;
}
ParseTypeAndValue(Ptr, Loc, PFS))
return true;
- Type *PtrTy = Ptr->getType();
- if (VectorType *VT = dyn_cast<VectorType>(PtrTy))
- PtrTy = VT->getElementType();
- if (Ty != cast<SequentialType>(PtrTy)->getElementType())
- return Error(ExplicitTypeLoc,
- "explicit pointee type doesn't match operand's pointee type");
-
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)) {
Indices.push_back(Val);
}
- if (!Indices.empty() && !BasePointerType->getElementType()->isSized())
+ SmallPtrSet<const Type*, 4> Visited;
+ if (!Indices.empty() && !Ty->isSized(&Visited))
return Error(Loc, "base element of getelementptr must be sized");
- if (!GetElementPtrInst::getIndexedType(BaseType, Indices))
+ if (!GetElementPtrInst::getIndexedType(Ty, Indices))
return Error(Loc, "invalid getelementptr indices");
- Inst = GetElementPtrInst::Create(Ptr, Indices);
+ Inst = GetElementPtrInst::Create(Ty, Ptr, Indices);
if (InBounds)
cast<GetElementPtrInst>(Inst)->setIsInBounds(true);
return AteExtraComma ? InstExtraComma : InstNormal;
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