ValidateEndOfModule();
}
-bool LLParser::parseStandaloneConstantValue(Constant *&C) {
+bool LLParser::parseStandaloneConstantValue(Constant *&C,
+ const SlotMapping *Slots) {
+ restoreParsingState(Slots);
Lex.Lex();
Type *Ty = nullptr;
return false;
}
+void LLParser::restoreParsingState(const SlotMapping *Slots) {
+ if (!Slots)
+ return;
+ NumberedVals = Slots->GlobalValues;
+ NumberedMetadata = Slots->MetadataNodes;
+ for (const auto &I : Slots->NamedTypes)
+ NamedTypes.insert(
+ std::make_pair(I.getKey(), std::make_pair(I.second, LocTy())));
+ for (const auto &I : Slots->Types)
+ NumberedTypes.insert(
+ std::make_pair(I.first, std::make_pair(I.second, LocTy())));
+}
+
/// ValidateEndOfModule - Do final validity and sanity checks at the end of the
/// module.
bool LLParser::ValidateEndOfModule() {
// the mapping from LLParser as it doesn't need it anymore.
Slots->GlobalValues = std::move(NumberedVals);
Slots->MetadataNodes = std::move(NumberedMetadata);
+ for (const auto &I : NamedTypes)
+ Slots->NamedTypes.insert(std::make_pair(I.getKey(), I.second.first));
+ for (const auto &I : NumberedTypes)
+ Slots->Types.insert(std::make_pair(I.first, I.second.first));
return false;
}
return Error(NameLoc,
"symbol with local linkage must have default visibility");
+ Type *Ty;
+ LocTy ExplicitTypeLoc = Lex.getLoc();
+ if (ParseType(Ty) ||
+ ParseToken(lltok::comma, "expected comma after alias's type"))
+ return true;
+
Constant *Aliasee;
LocTy AliaseeLoc = Lex.getLoc();
if (Lex.getKind() != lltok::kw_bitcast &&
auto *PTy = dyn_cast<PointerType>(AliaseeType);
if (!PTy)
return Error(AliaseeLoc, "An alias must have pointer type");
+ unsigned AddrSpace = PTy->getAddressSpace();
+
+ if (Ty != PTy->getElementType())
+ return Error(
+ ExplicitTypeLoc,
+ "explicit pointee type doesn't match operand's pointee type");
// Okay, create the alias but do not insert it into the module yet.
std::unique_ptr<GlobalAlias> GA(
- GlobalAlias::create(PTy, (GlobalValue::LinkageTypes)Linkage, Name,
- Aliasee, /*Parent*/ nullptr));
+ GlobalAlias::create(Ty, AddrSpace, (GlobalValue::LinkageTypes)Linkage,
+ Name, Aliasee, /*Parent*/ nullptr));
GA->setThreadLocalMode(TLM);
GA->setVisibility((GlobalValue::VisibilityTypes)Visibility);
GA->setDLLStorageClass((GlobalValue::DLLStorageClassTypes)DLLStorageClass);
// GlobalValue Reference/Resolution Routines.
//===----------------------------------------------------------------------===//
+static inline GlobalValue *createGlobalFwdRef(Module *M, PointerType *PTy,
+ const std::string &Name) {
+ if (auto *FT = dyn_cast<FunctionType>(PTy->getElementType()))
+ return Function::Create(FT, GlobalValue::ExternalWeakLinkage, Name, M);
+ else
+ return new GlobalVariable(*M, PTy->getElementType(), false,
+ GlobalValue::ExternalWeakLinkage, nullptr, Name,
+ nullptr, GlobalVariable::NotThreadLocal,
+ PTy->getAddressSpace());
+}
+
/// GetGlobalVal - Get a value with the specified name or ID, creating a
/// forward reference record if needed. This can return null if the value
/// exists but does not have the right type.
}
// Otherwise, create a new forward reference for this value and remember it.
- GlobalValue *FwdVal;
- if (FunctionType *FT = dyn_cast<FunctionType>(PTy->getElementType()))
- FwdVal = Function::Create(FT, GlobalValue::ExternalWeakLinkage, Name, M);
- else
- FwdVal = new GlobalVariable(*M, PTy->getElementType(), false,
- GlobalValue::ExternalWeakLinkage, nullptr, Name,
- nullptr, GlobalVariable::NotThreadLocal,
- PTy->getAddressSpace());
-
+ GlobalValue *FwdVal = createGlobalFwdRef(M, PTy, Name);
ForwardRefVals[Name] = std::make_pair(FwdVal, Loc);
return FwdVal;
}
}
// Otherwise, create a new forward reference for this value and remember it.
- GlobalValue *FwdVal;
- if (FunctionType *FT = dyn_cast<FunctionType>(PTy->getElementType()))
- FwdVal = Function::Create(FT, GlobalValue::ExternalWeakLinkage, "", M);
- else
- FwdVal = new GlobalVariable(*M, PTy->getElementType(), false,
- GlobalValue::ExternalWeakLinkage, nullptr, "");
-
+ GlobalValue *FwdVal = createGlobalFwdRef(M, PTy, "");
ForwardRefValIDs[ID] = std::make_pair(FwdVal, Loc);
return FwdVal;
}
/// GetVal - Get a value with the specified name or ID, creating a
/// forward reference record if needed. This can return null if the value
/// exists but does not have the right type.
-Value *LLParser::PerFunctionState::GetVal(const std::string &Name,
- Type *Ty, LocTy Loc) {
+Value *LLParser::PerFunctionState::GetVal(const std::string &Name, Type *Ty,
+ LocTy Loc, OperatorConstraint OC) {
// Look this name up in the normal function symbol table.
Value *Val = F.getValueSymbolTable().lookup(Name);
// If we have the value in the symbol table or fwd-ref table, return it.
if (Val) {
+ // Check operator constraints.
+ switch (OC) {
+ case OC_None:
+ // no constraint
+ break;
+ case OC_CatchPad:
+ if (!isa<CatchPadInst>(Val)) {
+ P.Error(Loc, "'%" + Name + "' is not a catchpad");
+ return nullptr;
+ }
+ break;
+ case OC_CleanupPad:
+ if (!isa<CleanupPadInst>(Val)) {
+ P.Error(Loc, "'%" + Name + "' is not a cleanuppad");
+ return nullptr;
+ }
+ break;
+ }
if (Val->getType() == Ty) return Val;
if (Ty->isLabelTy())
P.Error(Loc, "'%" + Name + "' is not a basic block");
// Otherwise, create a new forward reference for this value and remember it.
Value *FwdVal;
- if (Ty->isLabelTy())
+ if (Ty->isLabelTy()) {
+ assert(!OC);
FwdVal = BasicBlock::Create(F.getContext(), Name, &F);
- else
+ } else if (!OC) {
FwdVal = new Argument(Ty, Name);
+ } else {
+ switch (OC) {
+ case OC_CatchPad:
+ FwdVal = CatchPadInst::Create(&F.getEntryBlock(), &F.getEntryBlock(), {},
+ Name);
+ break;
+ case OC_CleanupPad:
+ FwdVal = CleanupPadInst::Create(F.getContext(), {}, Name);
+ break;
+ default:
+ llvm_unreachable("unexpected constraint");
+ }
+ }
ForwardRefVals[Name] = std::make_pair(FwdVal, Loc);
return FwdVal;
}
-Value *LLParser::PerFunctionState::GetVal(unsigned ID, Type *Ty,
- LocTy Loc) {
+Value *LLParser::PerFunctionState::GetVal(unsigned ID, Type *Ty, LocTy Loc,
+ OperatorConstraint OC) {
// Look this name up in the normal function symbol table.
Value *Val = ID < NumberedVals.size() ? NumberedVals[ID] : nullptr;
// If we have the value in the symbol table or fwd-ref table, return it.
if (Val) {
+ // Check operator constraint.
+ switch (OC) {
+ case OC_None:
+ // no constraint
+ break;
+ case OC_CatchPad:
+ if (!isa<CatchPadInst>(Val)) {
+ P.Error(Loc, "'%" + Twine(ID) + "' is not a catchpad");
+ return nullptr;
+ }
+ break;
+ case OC_CleanupPad:
+ if (!isa<CleanupPadInst>(Val)) {
+ P.Error(Loc, "'%" + Twine(ID) + "' is not a cleanuppad");
+ return nullptr;
+ }
+ break;
+ }
if (Val->getType() == Ty) return Val;
if (Ty->isLabelTy())
P.Error(Loc, "'%" + Twine(ID) + "' is not a basic block");
// Otherwise, create a new forward reference for this value and remember it.
Value *FwdVal;
- if (Ty->isLabelTy())
+ if (Ty->isLabelTy()) {
+ assert(!OC);
FwdVal = BasicBlock::Create(F.getContext(), "", &F);
- else
+ } else if (!OC) {
FwdVal = new Argument(Ty);
+ } else {
+ switch (OC) {
+ case OC_CatchPad:
+ FwdVal = CatchPadInst::Create(&F.getEntryBlock(), &F.getEntryBlock(), {});
+ break;
+ case OC_CleanupPad:
+ FwdVal = CleanupPadInst::Create(F.getContext(), {});
+ break;
+ default:
+ llvm_unreachable("unexpected constraint");
+ }
+ }
ForwardRefValIDs[ID] = std::make_pair(FwdVal, Loc);
return FwdVal;
std::map<unsigned, std::pair<Value*, LocTy> >::iterator FI =
ForwardRefValIDs.find(NameID);
if (FI != ForwardRefValIDs.end()) {
- if (FI->second.first->getType() != Inst->getType())
+ Value *Sentinel = FI->second.first;
+ if (Sentinel->getType() != Inst->getType())
return P.Error(NameLoc, "instruction forward referenced with type '" +
getTypeString(FI->second.first->getType()) + "'");
- FI->second.first->replaceAllUsesWith(Inst);
- delete FI->second.first;
+ // Check operator constraints. We only put cleanuppads or catchpads in
+ // the forward value map if the value is constrained to match.
+ if (isa<CatchPadInst>(Sentinel)) {
+ if (!isa<CatchPadInst>(Inst))
+ return P.Error(FI->second.second,
+ "'%" + Twine(NameID) + "' is not a catchpad");
+ } else if (isa<CleanupPadInst>(Sentinel)) {
+ if (!isa<CleanupPadInst>(Inst))
+ return P.Error(FI->second.second,
+ "'%" + Twine(NameID) + "' is not a cleanuppad");
+ }
+
+ Sentinel->replaceAllUsesWith(Inst);
+ delete Sentinel;
ForwardRefValIDs.erase(FI);
}
std::map<std::string, std::pair<Value*, LocTy> >::iterator
FI = ForwardRefVals.find(NameStr);
if (FI != ForwardRefVals.end()) {
- if (FI->second.first->getType() != Inst->getType())
+ Value *Sentinel = FI->second.first;
+ if (Sentinel->getType() != Inst->getType())
return P.Error(NameLoc, "instruction forward referenced with type '" +
getTypeString(FI->second.first->getType()) + "'");
- FI->second.first->replaceAllUsesWith(Inst);
- delete FI->second.first;
+ // Check operator constraints. We only put cleanuppads or catchpads in
+ // the forward value map if the value is constrained to match.
+ if (isa<CatchPadInst>(Sentinel)) {
+ if (!isa<CatchPadInst>(Inst))
+ return P.Error(FI->second.second,
+ "'%" + NameStr + "' is not a catchpad");
+ } else if (isa<CleanupPadInst>(Sentinel)) {
+ if (!isa<CleanupPadInst>(Inst))
+ return P.Error(FI->second.second,
+ "'%" + NameStr + "' is not a cleanuppad");
+ }
+
+ Sentinel->replaceAllUsesWith(Inst);
+ delete Sentinel;
ForwardRefVals.erase(FI);
}
/// isOptimized: false, function: void ()* @_Z3foov,
/// templateParams: !4, declaration: !5, variables: !6)
bool LLParser::ParseDISubprogram(MDNode *&Result, bool IsDistinct) {
+ auto Loc = Lex.getLoc();
#define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \
OPTIONAL(scope, MDField, ); \
OPTIONAL(name, MDStringField, ); \
PARSE_MD_FIELDS();
#undef VISIT_MD_FIELDS
+ if (isDefinition.Val && !IsDistinct)
+ return Lex.Error(
+ Loc,
+ "missing 'distinct', required for !DISubprogram when 'isDefinition'");
+
Result = GET_OR_DISTINCT(
DISubprogram, (Context, scope.Val, name.Val, linkageName.Val, file.Val,
line.Val, type.Val, isLocal.Val, isDefinition.Val,
//===----------------------------------------------------------------------===//
bool LLParser::ConvertValIDToValue(Type *Ty, ValID &ID, Value *&V,
- PerFunctionState *PFS) {
+ PerFunctionState *PFS,
+ OperatorConstraint OC) {
if (Ty->isFunctionTy())
return Error(ID.Loc, "functions are not values, refer to them as pointers");
+ if (OC && ID.Kind != ValID::t_LocalID && ID.Kind != ValID::t_LocalName) {
+ switch (OC) {
+ case OC_CatchPad:
+ return Error(ID.Loc, "Catchpad value required in this position");
+ case OC_CleanupPad:
+ return Error(ID.Loc, "Cleanuppad value required in this position");
+ default:
+ llvm_unreachable("Unexpected constraint kind");
+ }
+ }
+
switch (ID.Kind) {
case ValID::t_LocalID:
if (!PFS) return Error(ID.Loc, "invalid use of function-local name");
- V = PFS->GetVal(ID.UIntVal, Ty, ID.Loc);
+ V = PFS->GetVal(ID.UIntVal, Ty, ID.Loc, OC);
return V == nullptr;
case ValID::t_LocalName:
if (!PFS) return Error(ID.Loc, "invalid use of function-local name");
- V = PFS->GetVal(ID.StrVal, Ty, ID.Loc);
+ V = PFS->GetVal(ID.StrVal, Ty, ID.Loc, OC);
return V == nullptr;
case ValID::t_InlineAsm: {
- assert(ID.FTy);
- if (!InlineAsm::Verify(ID.FTy, ID.StrVal2))
+ if (!ID.FTy || !InlineAsm::Verify(ID.FTy, ID.StrVal2))
return Error(ID.Loc, "invalid type for inline asm constraint string");
V = InlineAsm::get(ID.FTy, ID.StrVal, ID.StrVal2, ID.UIntVal & 1,
(ID.UIntVal >> 1) & 1,
switch (ID.Kind) {
case ValID::t_APSInt:
case ValID::t_APFloat:
+ case ValID::t_Undef:
case ValID::t_Constant:
case ValID::t_ConstantStruct:
case ValID::t_PackedConstantStruct: {
}
}
-bool LLParser::ParseValue(Type *Ty, Value *&V, PerFunctionState *PFS) {
+bool LLParser::ParseValue(Type *Ty, Value *&V, PerFunctionState *PFS,
+ OperatorConstraint OC) {
V = nullptr;
ValID ID;
- return ParseValID(ID, PFS) ||
- ConvertValIDToValue(Ty, ID, V, PFS);
+ return ParseValID(ID, PFS) || ConvertValIDToValue(Ty, ID, V, PFS, OC);
}
bool LLParser::ParseTypeAndValue(Value *&V, PerFunctionState *PFS) {
case lltok::kw_terminatepad: return ParseTerminatePad(Inst, PFS);
case lltok::kw_cleanuppad: return ParseCleanupPad(Inst, PFS);
case lltok::kw_catchendpad: return ParseCatchEndPad(Inst, PFS);
+ case lltok::kw_cleanupendpad: return ParseCleanupEndPad(Inst, PFS);
// Binary Operators.
case lltok::kw_add:
case lltok::kw_sub:
bool LLParser::ParseExceptionArgs(SmallVectorImpl<Value *> &Args,
PerFunctionState &PFS) {
- if (ParseToken(lltok::lsquare, "expected '[' in cleanuppad"))
+ if (ParseToken(lltok::lsquare, "expected '[' in catchpad/cleanuppad"))
return true;
while (Lex.getKind() != lltok::rsquare) {
}
/// ParseCleanupRet
-/// ::= 'cleanupret' ('void' | TypeAndValue) unwind ('to' 'caller' | TypeAndValue)
+/// ::= 'cleanupret' Value unwind ('to' 'caller' | TypeAndValue)
bool LLParser::ParseCleanupRet(Instruction *&Inst, PerFunctionState &PFS) {
- Type *RetTy = nullptr;
- Value *RetVal = nullptr;
- if (ParseType(RetTy, /*AllowVoid=*/true))
- return true;
+ Value *CleanupPad = nullptr;
- if (!RetTy->isVoidTy())
- if (ParseValue(RetTy, RetVal, PFS))
- return true;
+ if (ParseValue(Type::getTokenTy(Context), CleanupPad, PFS, OC_CleanupPad))
+ return true;
if (ParseToken(lltok::kw_unwind, "expected 'unwind' in cleanupret"))
return true;
}
}
- Inst = CleanupReturnInst::Create(Context, RetVal, UnwindBB);
+ Inst = CleanupReturnInst::Create(cast<CleanupPadInst>(CleanupPad), UnwindBB);
return false;
}
/// ParseCatchRet
-/// ::= 'catchret' ('void' | TypeAndValue) 'to' TypeAndValue
+/// ::= 'catchret' Value 'to' TypeAndValue
bool LLParser::ParseCatchRet(Instruction *&Inst, PerFunctionState &PFS) {
- Type *RetTy = nullptr;
- Value *RetVal = nullptr;
+ Value *CatchPad = nullptr;
- if (ParseType(RetTy, /*AllowVoid=*/true))
+ if (ParseValue(Type::getTokenTy(Context), CatchPad, PFS, OC_CatchPad))
return true;
- if (!RetTy->isVoidTy())
- if (ParseValue(RetTy, RetVal, PFS))
- return true;
-
BasicBlock *BB;
if (ParseToken(lltok::kw_to, "expected 'to' in catchret") ||
ParseTypeAndBasicBlock(BB, PFS))
return true;
- Inst = CatchReturnInst::Create(BB, RetVal);
+ Inst = CatchReturnInst::Create(cast<CatchPadInst>(CatchPad), BB);
return false;
}
/// ParseCatchPad
-/// ::= 'catchpad' Type ParamList 'to' TypeAndValue 'unwind' TypeAndValue
+/// ::= 'catchpad' ParamList 'to' TypeAndValue 'unwind' TypeAndValue
bool LLParser::ParseCatchPad(Instruction *&Inst, PerFunctionState &PFS) {
- Type *RetType = nullptr;
-
SmallVector<Value *, 8> Args;
- if (ParseType(RetType, /*AllowVoid=*/true) || ParseExceptionArgs(Args, PFS))
+ if (ParseExceptionArgs(Args, PFS))
return true;
BasicBlock *NormalBB, *UnwindBB;
ParseTypeAndBasicBlock(UnwindBB, PFS))
return true;
- Inst = CatchPadInst::Create(RetType, NormalBB, UnwindBB, Args);
+ Inst = CatchPadInst::Create(NormalBB, UnwindBB, Args);
return false;
}
/// ParseCleanupPad
/// ::= 'cleanuppad' ParamList
bool LLParser::ParseCleanupPad(Instruction *&Inst, PerFunctionState &PFS) {
- Type *RetType = nullptr;
-
SmallVector<Value *, 8> Args;
- if (ParseType(RetType, /*AllowVoid=*/true) || ParseExceptionArgs(Args, PFS))
+ if (ParseExceptionArgs(Args, PFS))
return true;
- Inst = CleanupPadInst::Create(RetType, Args);
+ Inst = CleanupPadInst::Create(Context, Args);
return false;
}
return false;
}
+/// ParseCatchEndPad
+/// ::= 'cleanupendpad' Value unwind ('to' 'caller' | TypeAndValue)
+bool LLParser::ParseCleanupEndPad(Instruction *&Inst, PerFunctionState &PFS) {
+ Value *CleanupPad = nullptr;
+
+ if (ParseValue(Type::getTokenTy(Context), CleanupPad, PFS, OC_CleanupPad))
+ return true;
+
+ if (ParseToken(lltok::kw_unwind, "expected 'unwind' in catchendpad"))
+ return true;
+
+ BasicBlock *UnwindBB = nullptr;
+ if (Lex.getKind() == lltok::kw_to) {
+ Lex.Lex();
+ if (Lex.getKind() == lltok::kw_caller) {
+ Lex.Lex();
+ } else {
+ return true;
+ }
+ } else {
+ if (ParseTypeAndBasicBlock(UnwindBB, PFS)) {
+ return true;
+ }
+ }
+
+ Inst = CleanupEndPadInst::Create(cast<CleanupPadInst>(CleanupPad), UnwindBB);
+ return false;
+}
+
//===----------------------------------------------------------------------===//
// Binary Operators.
//===----------------------------------------------------------------------===//
projects / oota-llvm.git / blobdiff