#include "LLParser.h"
#include "llvm/ADT/SmallPtrSet.h"
-#include "llvm/AutoUpgrade.h"
-#include "llvm/CallingConv.h"
-#include "llvm/Constants.h"
-#include "llvm/DerivedTypes.h"
-#include "llvm/InlineAsm.h"
-#include "llvm/Instructions.h"
-#include "llvm/Module.h"
-#include "llvm/Operator.h"
+#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"
+#include "llvm/IR/Instructions.h"
+#include "llvm/IR/LLVMContext.h"
+#include "llvm/IR/Module.h"
+#include "llvm/IR/Operator.h"
+#include "llvm/IR/ValueSymbolTable.h"
+#include "llvm/Support/Dwarf.h"
#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/SaveAndRestore.h"
#include "llvm/Support/raw_ostream.h"
-#include "llvm/ValueSymbolTable.h"
using namespace llvm;
static std::string getTypeString(Type *T) {
/// ValidateEndOfModule - Do final validity and sanity checks at the end of the
/// module.
bool LLParser::ValidateEndOfModule() {
- // Handle any instruction metadata forward references.
- if (!ForwardRefInstMetadata.empty()) {
- for (DenseMap<Instruction*, std::vector<MDRef> >::iterator
- I = ForwardRefInstMetadata.begin(), E = ForwardRefInstMetadata.end();
- I != E; ++I) {
- Instruction *Inst = I->first;
- const std::vector<MDRef> &MDList = I->second;
-
- for (unsigned i = 0, e = MDList.size(); i != e; ++i) {
- unsigned SlotNo = MDList[i].MDSlot;
+ for (unsigned I = 0, E = InstsWithTBAATag.size(); I < E; I++)
+ UpgradeInstWithTBAATag(InstsWithTBAATag[I]);
- if (SlotNo >= NumberedMetadata.size() || NumberedMetadata[SlotNo] == 0)
- return Error(MDList[i].Loc, "use of undefined metadata '!" +
- Twine(SlotNo) + "'");
- Inst->setMetadata(MDList[i].MDKind, NumberedMetadata[SlotNo]);
+ // Handle any function attribute group forward references.
+ for (std::map<Value*, std::vector<unsigned> >::iterator
+ I = ForwardRefAttrGroups.begin(), E = ForwardRefAttrGroups.end();
+ I != E; ++I) {
+ Value *V = I->first;
+ std::vector<unsigned> &Vec = I->second;
+ AttrBuilder B;
+
+ for (std::vector<unsigned>::iterator VI = Vec.begin(), VE = Vec.end();
+ VI != VE; ++VI)
+ B.merge(NumberedAttrBuilders[*VI]);
+
+ if (Function *Fn = dyn_cast<Function>(V)) {
+ AttributeSet AS = Fn->getAttributes();
+ AttrBuilder FnAttrs(AS.getFnAttributes(), AttributeSet::FunctionIndex);
+ AS = AS.removeAttributes(Context, AttributeSet::FunctionIndex,
+ AS.getFnAttributes());
+
+ FnAttrs.merge(B);
+
+ // If the alignment was parsed as an attribute, move to the alignment
+ // field.
+ if (FnAttrs.hasAlignmentAttr()) {
+ Fn->setAlignment(FnAttrs.getAlignment());
+ FnAttrs.removeAttribute(Attribute::Alignment);
}
+
+ AS = AS.addAttributes(Context, AttributeSet::FunctionIndex,
+ AttributeSet::get(Context,
+ AttributeSet::FunctionIndex,
+ FnAttrs));
+ Fn->setAttributes(AS);
+ } else if (CallInst *CI = dyn_cast<CallInst>(V)) {
+ AttributeSet AS = CI->getAttributes();
+ AttrBuilder FnAttrs(AS.getFnAttributes(), AttributeSet::FunctionIndex);
+ AS = AS.removeAttributes(Context, AttributeSet::FunctionIndex,
+ AS.getFnAttributes());
+ FnAttrs.merge(B);
+ AS = AS.addAttributes(Context, AttributeSet::FunctionIndex,
+ AttributeSet::get(Context,
+ AttributeSet::FunctionIndex,
+ FnAttrs));
+ CI->setAttributes(AS);
+ } else if (InvokeInst *II = dyn_cast<InvokeInst>(V)) {
+ AttributeSet AS = II->getAttributes();
+ AttrBuilder FnAttrs(AS.getFnAttributes(), AttributeSet::FunctionIndex);
+ AS = AS.removeAttributes(Context, AttributeSet::FunctionIndex,
+ AS.getFnAttributes());
+ FnAttrs.merge(B);
+ AS = AS.addAttributes(Context, AttributeSet::FunctionIndex,
+ AttributeSet::get(Context,
+ AttributeSet::FunctionIndex,
+ FnAttrs));
+ II->setAttributes(AS);
+ } else {
+ llvm_unreachable("invalid object with forward attribute group reference");
}
- ForwardRefInstMetadata.clear();
}
+ // If there are entries in ForwardRefBlockAddresses at this point, the
+ // function was never defined.
+ if (!ForwardRefBlockAddresses.empty())
+ return Error(ForwardRefBlockAddresses.begin()->first.Loc,
+ "expected function name in blockaddress");
- // If there are entries in ForwardRefBlockAddresses at this point, they are
- // references after the function was defined. Resolve those now.
- while (!ForwardRefBlockAddresses.empty()) {
- // Okay, we are referencing an already-parsed function, resolve them now.
- Function *TheFn = 0;
- const ValID &Fn = ForwardRefBlockAddresses.begin()->first;
- if (Fn.Kind == ValID::t_GlobalName)
- TheFn = M->getFunction(Fn.StrVal);
- else if (Fn.UIntVal < NumberedVals.size())
- TheFn = dyn_cast<Function>(NumberedVals[Fn.UIntVal]);
-
- if (TheFn == 0)
- return Error(Fn.Loc, "unknown function referenced by blockaddress");
-
- // Resolve all these references.
- if (ResolveForwardRefBlockAddresses(TheFn,
- ForwardRefBlockAddresses.begin()->second,
- 0))
- return true;
-
- ForwardRefBlockAddresses.erase(ForwardRefBlockAddresses.begin());
- }
-
- for (unsigned i = 0, e = NumberedTypes.size(); i != e; ++i)
- if (NumberedTypes[i].second.isValid())
- return Error(NumberedTypes[i].second,
- "use of undefined type '%" + Twine(i) + "'");
+ for (const auto &NT : NumberedTypes)
+ if (NT.second.second.isValid())
+ return Error(NT.second.second,
+ "use of undefined type '%" + Twine(NT.first) + "'");
for (StringMap<std::pair<Type*, LocTy> >::iterator I =
NamedTypes.begin(), E = NamedTypes.end(); I != E; ++I)
return Error(I->second.second,
"use of undefined type named '" + I->getKey() + "'");
+ if (!ForwardRefComdats.empty())
+ return Error(ForwardRefComdats.begin()->second,
+ "use of undefined comdat '$" +
+ ForwardRefComdats.begin()->first + "'");
+
if (!ForwardRefVals.empty())
return Error(ForwardRefVals.begin()->second.second,
"use of undefined value '@" + ForwardRefVals.begin()->first +
"use of undefined metadata '!" +
Twine(ForwardRefMDNodes.begin()->first) + "'");
+ // Resolve metadata cycles.
+ for (auto &N : NumberedMetadata) {
+ if (N.second && !N.second->isResolved())
+ N.second->resolveCycles();
+ }
// Look for intrinsic functions and CallInst that need to be upgraded
for (Module::iterator FI = M->begin(), FE = M->end(); FI != FE; )
UpgradeCallsToIntrinsic(FI++); // must be post-increment, as we remove
- return false;
-}
-
-bool LLParser::ResolveForwardRefBlockAddresses(Function *TheFn,
- std::vector<std::pair<ValID, GlobalValue*> > &Refs,
- PerFunctionState *PFS) {
- // Loop over all the references, resolving them.
- for (unsigned i = 0, e = Refs.size(); i != e; ++i) {
- BasicBlock *Res;
- if (PFS) {
- if (Refs[i].first.Kind == ValID::t_LocalName)
- Res = PFS->GetBB(Refs[i].first.StrVal, Refs[i].first.Loc);
- else
- Res = PFS->GetBB(Refs[i].first.UIntVal, Refs[i].first.Loc);
- } else if (Refs[i].first.Kind == ValID::t_LocalID) {
- return Error(Refs[i].first.Loc,
- "cannot take address of numeric label after the function is defined");
- } else {
- Res = dyn_cast_or_null<BasicBlock>(
- TheFn->getValueSymbolTable().lookup(Refs[i].first.StrVal));
- }
-
- if (Res == 0)
- return Error(Refs[i].first.Loc,
- "referenced value is not a basic block");
+ UpgradeDebugInfo(*M);
- // Get the BlockAddress for this and update references to use it.
- BlockAddress *BA = BlockAddress::get(TheFn, Res);
- Refs[i].second->replaceAllUsesWith(BA);
- Refs[i].second->eraseFromParent();
- }
return false;
}
-
//===----------------------------------------------------------------------===//
// Top-Level Entities
//===----------------------------------------------------------------------===//
case lltok::LocalVar: if (ParseNamedType()) return true; break;
case lltok::GlobalID: if (ParseUnnamedGlobal()) return true; break;
case lltok::GlobalVar: if (ParseNamedGlobal()) return true; break;
+ case lltok::ComdatVar: if (parseComdat()) return true; break;
case lltok::exclaim: if (ParseStandaloneMetadata()) return true; break;
- case lltok::MetadataVar: if (ParseNamedMetadata()) return true; break;
+ case lltok::MetadataVar:if (ParseNamedMetadata()) return true; break;
// The Global variable production with no name can have many different
// optional leading prefixes, the production is:
- // GlobalVar ::= OptionalLinkage OptionalVisibility OptionalThreadLocal
- // OptionalAddrSpace OptionalUnNammedAddr
+ // GlobalVar ::= OptionalLinkage OptionalVisibility OptionalDLLStorageClass
+ // OptionalThreadLocal OptionalAddrSpace OptionalUnNammedAddr
// ('constant'|'global') ...
case lltok::kw_private: // OptionalLinkage
- case lltok::kw_linker_private: // OptionalLinkage
- case lltok::kw_linker_private_weak: // OptionalLinkage
- case lltok::kw_linker_private_weak_def_auto: // FIXME: backwards compat.
case lltok::kw_internal: // OptionalLinkage
case lltok::kw_weak: // OptionalLinkage
case lltok::kw_weak_odr: // OptionalLinkage
case lltok::kw_linkonce: // OptionalLinkage
case lltok::kw_linkonce_odr: // OptionalLinkage
- case lltok::kw_linkonce_odr_auto_hide: // OptionalLinkage
case lltok::kw_appending: // OptionalLinkage
- case lltok::kw_dllexport: // OptionalLinkage
case lltok::kw_common: // OptionalLinkage
- case lltok::kw_dllimport: // OptionalLinkage
case lltok::kw_extern_weak: // OptionalLinkage
- case lltok::kw_external: { // OptionalLinkage
- unsigned Linkage, Visibility;
- if (ParseOptionalLinkage(Linkage) ||
+ case lltok::kw_external: // OptionalLinkage
+ case lltok::kw_default: // OptionalVisibility
+ case lltok::kw_hidden: // OptionalVisibility
+ case lltok::kw_protected: // OptionalVisibility
+ case lltok::kw_dllimport: // OptionalDLLStorageClass
+ case lltok::kw_dllexport: // OptionalDLLStorageClass
+ case lltok::kw_thread_local: // OptionalThreadLocal
+ case lltok::kw_addrspace: // OptionalAddrSpace
+ case lltok::kw_constant: // GlobalType
+ case lltok::kw_global: { // GlobalType
+ unsigned Linkage, Visibility, DLLStorageClass;
+ bool UnnamedAddr;
+ GlobalVariable::ThreadLocalMode TLM;
+ bool HasLinkage;
+ if (ParseOptionalLinkage(Linkage, HasLinkage) ||
ParseOptionalVisibility(Visibility) ||
- ParseGlobal("", SMLoc(), Linkage, true, Visibility))
- return true;
- break;
- }
- case lltok::kw_default: // OptionalVisibility
- case lltok::kw_hidden: // OptionalVisibility
- case lltok::kw_protected: { // OptionalVisibility
- unsigned Visibility;
- if (ParseOptionalVisibility(Visibility) ||
- ParseGlobal("", SMLoc(), 0, false, Visibility))
+ ParseOptionalDLLStorageClass(DLLStorageClass) ||
+ ParseOptionalThreadLocal(TLM) ||
+ parseOptionalUnnamedAddr(UnnamedAddr) ||
+ ParseGlobal("", SMLoc(), Linkage, HasLinkage, Visibility,
+ DLLStorageClass, TLM, UnnamedAddr))
return true;
break;
}
- case lltok::kw_thread_local: // OptionalThreadLocal
- case lltok::kw_addrspace: // OptionalAddrSpace
- case lltok::kw_constant: // GlobalType
- case lltok::kw_global: // GlobalType
- if (ParseGlobal("", SMLoc(), 0, false, 0)) return true;
- break;
+ case lltok::kw_attributes: if (ParseUnnamedAttrGrp()) return true; break;
+ case lltok::kw_uselistorder: if (ParseUseListOrder()) return true; break;
+ case lltok::kw_uselistorder_bb:
+ if (ParseUseListOrderBB()) return true; break;
}
}
}
ParseToken(lltok::kw_type, "expected 'type' after '='"))
return true;
- if (TypeID >= NumberedTypes.size())
- NumberedTypes.resize(TypeID+1);
-
- Type *Result = 0;
+ Type *Result = nullptr;
if (ParseStructDefinition(TypeLoc, "",
NumberedTypes[TypeID], Result)) return true;
ParseToken(lltok::kw_type, "expected 'type' after name"))
return true;
- Type *Result = 0;
+ Type *Result = nullptr;
if (ParseStructDefinition(NameLoc, Name,
NamedTypes[Name], Result)) return true;
/// ParseUnnamedGlobal:
/// OptionalVisibility ALIAS ...
-/// OptionalLinkage OptionalVisibility ... -> global variable
+/// OptionalLinkage OptionalVisibility OptionalDLLStorageClass
+/// ... -> global variable
/// GlobalID '=' OptionalVisibility ALIAS ...
-/// GlobalID '=' OptionalLinkage OptionalVisibility ... -> global variable
+/// GlobalID '=' OptionalLinkage OptionalVisibility OptionalDLLStorageClass
+/// ... -> global variable
bool LLParser::ParseUnnamedGlobal() {
unsigned VarID = NumberedVals.size();
std::string Name;
}
bool HasLinkage;
- unsigned Linkage, Visibility;
+ unsigned Linkage, Visibility, DLLStorageClass;
+ GlobalVariable::ThreadLocalMode TLM;
+ bool UnnamedAddr;
if (ParseOptionalLinkage(Linkage, HasLinkage) ||
- ParseOptionalVisibility(Visibility))
+ ParseOptionalVisibility(Visibility) ||
+ ParseOptionalDLLStorageClass(DLLStorageClass) ||
+ ParseOptionalThreadLocal(TLM) ||
+ parseOptionalUnnamedAddr(UnnamedAddr))
return true;
- if (HasLinkage || Lex.getKind() != lltok::kw_alias)
- return ParseGlobal(Name, NameLoc, Linkage, HasLinkage, Visibility);
- return ParseAlias(Name, NameLoc, Visibility);
+ if (Lex.getKind() != lltok::kw_alias)
+ return ParseGlobal(Name, NameLoc, Linkage, HasLinkage, Visibility,
+ DLLStorageClass, TLM, UnnamedAddr);
+ return ParseAlias(Name, NameLoc, Linkage, Visibility, DLLStorageClass, TLM,
+ UnnamedAddr);
}
/// ParseNamedGlobal:
/// GlobalVar '=' OptionalVisibility ALIAS ...
-/// GlobalVar '=' OptionalLinkage OptionalVisibility ... -> global variable
+/// GlobalVar '=' OptionalLinkage OptionalVisibility OptionalDLLStorageClass
+/// ... -> global variable
bool LLParser::ParseNamedGlobal() {
assert(Lex.getKind() == lltok::GlobalVar);
LocTy NameLoc = Lex.getLoc();
Lex.Lex();
bool HasLinkage;
- unsigned Linkage, Visibility;
+ unsigned Linkage, Visibility, DLLStorageClass;
+ GlobalVariable::ThreadLocalMode TLM;
+ bool UnnamedAddr;
if (ParseToken(lltok::equal, "expected '=' in global variable") ||
ParseOptionalLinkage(Linkage, HasLinkage) ||
- ParseOptionalVisibility(Visibility))
+ ParseOptionalVisibility(Visibility) ||
+ ParseOptionalDLLStorageClass(DLLStorageClass) ||
+ ParseOptionalThreadLocal(TLM) ||
+ parseOptionalUnnamedAddr(UnnamedAddr))
+ return true;
+
+ if (Lex.getKind() != lltok::kw_alias)
+ return ParseGlobal(Name, NameLoc, Linkage, HasLinkage, Visibility,
+ DLLStorageClass, TLM, UnnamedAddr);
+
+ return ParseAlias(Name, NameLoc, Linkage, Visibility, DLLStorageClass, TLM,
+ UnnamedAddr);
+}
+
+bool LLParser::parseComdat() {
+ assert(Lex.getKind() == lltok::ComdatVar);
+ std::string Name = Lex.getStrVal();
+ LocTy NameLoc = Lex.getLoc();
+ Lex.Lex();
+
+ if (ParseToken(lltok::equal, "expected '=' here"))
return true;
- if (HasLinkage || Lex.getKind() != lltok::kw_alias)
- return ParseGlobal(Name, NameLoc, Linkage, HasLinkage, Visibility);
- return ParseAlias(Name, NameLoc, Visibility);
+ if (ParseToken(lltok::kw_comdat, "expected comdat keyword"))
+ return TokError("expected comdat type");
+
+ Comdat::SelectionKind SK;
+ switch (Lex.getKind()) {
+ default:
+ return TokError("unknown selection kind");
+ case lltok::kw_any:
+ SK = Comdat::Any;
+ break;
+ case lltok::kw_exactmatch:
+ SK = Comdat::ExactMatch;
+ break;
+ case lltok::kw_largest:
+ SK = Comdat::Largest;
+ break;
+ case lltok::kw_noduplicates:
+ SK = Comdat::NoDuplicates;
+ break;
+ case lltok::kw_samesize:
+ SK = Comdat::SameSize;
+ break;
+ }
+ Lex.Lex();
+
+ // See if the comdat was forward referenced, if so, use the comdat.
+ Module::ComdatSymTabType &ComdatSymTab = M->getComdatSymbolTable();
+ Module::ComdatSymTabType::iterator I = ComdatSymTab.find(Name);
+ if (I != ComdatSymTab.end() && !ForwardRefComdats.erase(Name))
+ return Error(NameLoc, "redefinition of comdat '$" + Name + "'");
+
+ Comdat *C;
+ if (I != ComdatSymTab.end())
+ C = &I->second;
+ else
+ C = M->getOrInsertComdat(Name);
+ C->setSelectionKind(SK);
+
+ return false;
}
// MDString:
bool LLParser::ParseMDString(MDString *&Result) {
std::string Str;
if (ParseStringConstant(Str)) return true;
+ llvm::UpgradeMDStringConstant(Str);
Result = MDString::get(Context, Str);
return false;
}
// MDNode:
// ::= '!' MDNodeNumber
-//
-/// This version of ParseMDNodeID returns the slot number and null in the case
-/// of a forward reference.
-bool LLParser::ParseMDNodeID(MDNode *&Result, unsigned &SlotNo) {
- // !{ ..., !42, ... }
- if (ParseUInt32(SlotNo)) return true;
-
- // Check existing MDNode.
- if (SlotNo < NumberedMetadata.size() && NumberedMetadata[SlotNo] != 0)
- Result = NumberedMetadata[SlotNo];
- else
- Result = 0;
- return false;
-}
-
bool LLParser::ParseMDNodeID(MDNode *&Result) {
// !{ ..., !42, ... }
unsigned MID = 0;
- if (ParseMDNodeID(Result, MID)) return true;
+ if (ParseUInt32(MID))
+ return true;
// If not a forward reference, just return it now.
- if (Result) return false;
+ if (NumberedMetadata.count(MID)) {
+ Result = NumberedMetadata[MID];
+ return false;
+ }
// Otherwise, create MDNode forward reference.
- MDNode *FwdNode = MDNode::getTemporary(Context, ArrayRef<Value*>());
- ForwardRefMDNodes[MID] = std::make_pair(FwdNode, Lex.getLoc());
+ auto &FwdRef = ForwardRefMDNodes[MID];
+ FwdRef = std::make_pair(MDTuple::getTemporary(Context, None), Lex.getLoc());
- if (NumberedMetadata.size() <= MID)
- NumberedMetadata.resize(MID+1);
- NumberedMetadata[MID] = FwdNode;
- Result = FwdNode;
+ Result = FwdRef.first.get();
+ NumberedMetadata[MID].reset(Result);
return false;
}
if (ParseToken(lltok::exclaim, "Expected '!' here"))
return true;
- MDNode *N = 0;
+ MDNode *N = nullptr;
if (ParseMDNodeID(N)) return true;
NMD->addOperand(N);
} while (EatIfPresent(lltok::comma));
Lex.Lex();
unsigned MetadataID = 0;
- LocTy TyLoc;
- Type *Ty = 0;
- SmallVector<Value *, 16> Elts;
+ MDNode *Init;
if (ParseUInt32(MetadataID) ||
- ParseToken(lltok::equal, "expected '=' here") ||
- ParseType(Ty, TyLoc) ||
- ParseToken(lltok::exclaim, "Expected '!' here") ||
- ParseToken(lltok::lbrace, "Expected '{' here") ||
- ParseMDNodeVector(Elts, NULL) ||
- ParseToken(lltok::rbrace, "expected end of metadata node"))
+ ParseToken(lltok::equal, "expected '=' here"))
return true;
- MDNode *Init = MDNode::get(Context, Elts);
+ // Detect common error, from old metadata syntax.
+ if (Lex.getKind() == lltok::Type)
+ return TokError("unexpected type in metadata definition");
+
+ bool IsDistinct = EatIfPresent(lltok::kw_distinct);
+ if (Lex.getKind() == lltok::MetadataVar) {
+ if (ParseSpecializedMDNode(Init, IsDistinct))
+ return true;
+ } else if (ParseToken(lltok::exclaim, "Expected '!' here") ||
+ ParseMDTuple(Init, IsDistinct))
+ return true;
// See if this was forward referenced, if so, handle it.
- std::map<unsigned, std::pair<TrackingVH<MDNode>, LocTy> >::iterator
- FI = ForwardRefMDNodes.find(MetadataID);
+ auto FI = ForwardRefMDNodes.find(MetadataID);
if (FI != ForwardRefMDNodes.end()) {
- MDNode *Temp = FI->second.first;
- Temp->replaceAllUsesWith(Init);
- MDNode::deleteTemporary(Temp);
+ FI->second.first->replaceAllUsesWith(Init);
ForwardRefMDNodes.erase(FI);
assert(NumberedMetadata[MetadataID] == Init && "Tracking VH didn't work");
} else {
- if (MetadataID >= NumberedMetadata.size())
- NumberedMetadata.resize(MetadataID+1);
-
- if (NumberedMetadata[MetadataID] != 0)
+ if (NumberedMetadata.count(MetadataID))
return TokError("Metadata id is already used");
- NumberedMetadata[MetadataID] = Init;
+ NumberedMetadata[MetadataID].reset(Init);
}
return false;
}
+static bool isValidVisibilityForLinkage(unsigned V, unsigned L) {
+ return !GlobalValue::isLocalLinkage((GlobalValue::LinkageTypes)L) ||
+ (GlobalValue::VisibilityTypes)V == GlobalValue::DefaultVisibility;
+}
+
/// ParseAlias:
-/// ::= GlobalVar '=' OptionalVisibility 'alias' OptionalLinkage Aliasee
+/// ::= GlobalVar '=' OptionalLinkage OptionalVisibility
+/// OptionalDLLStorageClass OptionalThreadLocal
+/// OptionalUnNammedAddr 'alias' Aliasee
+///
/// Aliasee
/// ::= TypeAndValue
-/// ::= 'bitcast' '(' TypeAndValue 'to' Type ')'
-/// ::= 'getelementptr' 'inbounds'? '(' ... ')'
///
-/// Everything through visibility has already been parsed.
+/// Everything through OptionalUnNammedAddr has already been parsed.
///
-bool LLParser::ParseAlias(const std::string &Name, LocTy NameLoc,
- unsigned Visibility) {
+bool LLParser::ParseAlias(const std::string &Name, LocTy NameLoc, unsigned L,
+ unsigned Visibility, unsigned DLLStorageClass,
+ GlobalVariable::ThreadLocalMode TLM,
+ bool UnnamedAddr) {
assert(Lex.getKind() == lltok::kw_alias);
Lex.Lex();
- unsigned Linkage;
- LocTy LinkageLoc = Lex.getLoc();
- if (ParseOptionalLinkage(Linkage))
- return true;
- if (Linkage != GlobalValue::ExternalLinkage &&
- Linkage != GlobalValue::WeakAnyLinkage &&
- Linkage != GlobalValue::WeakODRLinkage &&
- Linkage != GlobalValue::InternalLinkage &&
- Linkage != GlobalValue::PrivateLinkage &&
- Linkage != GlobalValue::LinkerPrivateLinkage &&
- Linkage != GlobalValue::LinkerPrivateWeakLinkage)
- return Error(LinkageLoc, "invalid linkage type for alias");
+ GlobalValue::LinkageTypes Linkage = (GlobalValue::LinkageTypes) L;
+
+ if(!GlobalAlias::isValidLinkage(Linkage))
+ return Error(NameLoc, "invalid linkage type for alias");
+
+ if (!isValidVisibilityForLinkage(Visibility, L))
+ return Error(NameLoc,
+ "symbol with local linkage must have default visibility");
Constant *Aliasee;
LocTy AliaseeLoc = Lex.getLoc();
if (Lex.getKind() != lltok::kw_bitcast &&
- Lex.getKind() != lltok::kw_getelementptr) {
- if (ParseGlobalTypeAndValue(Aliasee)) return true;
+ Lex.getKind() != lltok::kw_getelementptr &&
+ Lex.getKind() != lltok::kw_addrspacecast &&
+ Lex.getKind() != lltok::kw_inttoptr) {
+ if (ParseGlobalTypeAndValue(Aliasee))
+ return true;
} else {
// The bitcast dest type is not present, it is implied by the dest type.
ValID ID;
- if (ParseValID(ID)) return true;
+ if (ParseValID(ID))
+ return true;
if (ID.Kind != ValID::t_Constant)
return Error(AliaseeLoc, "invalid aliasee");
Aliasee = ID.ConstantVal;
}
- if (!Aliasee->getType()->isPointerTy())
- return Error(AliaseeLoc, "alias must have pointer type");
+ Type *AliaseeType = Aliasee->getType();
+ auto *PTy = dyn_cast<PointerType>(AliaseeType);
+ if (!PTy)
+ return Error(AliaseeLoc, "An alias must have pointer type");
+ Type *Ty = PTy->getElementType();
+ unsigned AddrSpace = PTy->getAddressSpace();
// Okay, create the alias but do not insert it into the module yet.
- GlobalAlias* GA = new GlobalAlias(Aliasee->getType(),
- (GlobalValue::LinkageTypes)Linkage, Name,
- Aliasee);
+ std::unique_ptr<GlobalAlias> GA(
+ GlobalAlias::create(Ty, AddrSpace, (GlobalValue::LinkageTypes)Linkage,
+ Name, Aliasee, /*Parent*/ nullptr));
+ GA->setThreadLocalMode(TLM);
GA->setVisibility((GlobalValue::VisibilityTypes)Visibility);
+ GA->setDLLStorageClass((GlobalValue::DLLStorageClassTypes)DLLStorageClass);
+ GA->setUnnamedAddr(UnnamedAddr);
// See if this value already exists in the symbol table. If so, it is either
// a redefinition or a definition of a forward reference.
// If they agree, just RAUW the old value with the alias and remove the
// forward ref info.
- Val->replaceAllUsesWith(GA);
+ Val->replaceAllUsesWith(GA.get());
Val->eraseFromParent();
ForwardRefVals.erase(I);
}
// Insert into the module, we know its name won't collide now.
- M->getAliasList().push_back(GA);
+ M->getAliasList().push_back(GA.get());
assert(GA->getName() == Name && "Should not be a name conflict!");
+ // The module owns this now
+ GA.release();
+
return false;
}
/// ParseGlobal
-/// ::= GlobalVar '=' OptionalLinkage OptionalVisibility OptionalThreadLocal
-/// OptionalAddrSpace OptionalUnNammedAddr GlobalType Type Const
-/// ::= OptionalLinkage OptionalVisibility OptionalThreadLocal
-/// OptionalAddrSpace OptionalUnNammedAddr GlobalType Type Const
+/// ::= GlobalVar '=' OptionalLinkage OptionalVisibility OptionalDLLStorageClass
+/// OptionalThreadLocal OptionalUnNammedAddr OptionalAddrSpace
+/// OptionalExternallyInitialized GlobalType Type Const
+/// ::= OptionalLinkage OptionalVisibility OptionalDLLStorageClass
+/// OptionalThreadLocal OptionalUnNammedAddr OptionalAddrSpace
+/// OptionalExternallyInitialized GlobalType Type Const
///
-/// Everything through visibility has been parsed already.
+/// Everything up to and including OptionalUnNammedAddr has been parsed
+/// already.
///
bool LLParser::ParseGlobal(const std::string &Name, LocTy NameLoc,
unsigned Linkage, bool HasLinkage,
- unsigned Visibility) {
+ unsigned Visibility, unsigned DLLStorageClass,
+ GlobalVariable::ThreadLocalMode TLM,
+ bool UnnamedAddr) {
+ if (!isValidVisibilityForLinkage(Visibility, Linkage))
+ return Error(NameLoc,
+ "symbol with local linkage must have default visibility");
+
unsigned AddrSpace;
- bool IsConstant, UnnamedAddr;
- GlobalVariable::ThreadLocalMode TLM;
- LocTy UnnamedAddrLoc;
+ bool IsConstant, IsExternallyInitialized;
+ LocTy IsExternallyInitializedLoc;
LocTy TyLoc;
- Type *Ty = 0;
- if (ParseOptionalThreadLocal(TLM) ||
- ParseOptionalAddrSpace(AddrSpace) ||
- ParseOptionalToken(lltok::kw_unnamed_addr, UnnamedAddr,
- &UnnamedAddrLoc) ||
+ Type *Ty = nullptr;
+ if (ParseOptionalAddrSpace(AddrSpace) ||
+ ParseOptionalToken(lltok::kw_externally_initialized,
+ IsExternallyInitialized,
+ &IsExternallyInitializedLoc) ||
ParseGlobalType(IsConstant) ||
ParseType(Ty, TyLoc))
return true;
// If the linkage is specified and is external, then no initializer is
// present.
- Constant *Init = 0;
- if (!HasLinkage || (Linkage != GlobalValue::DLLImportLinkage &&
- Linkage != GlobalValue::ExternalWeakLinkage &&
+ Constant *Init = nullptr;
+ if (!HasLinkage || (Linkage != GlobalValue::ExternalWeakLinkage &&
Linkage != GlobalValue::ExternalLinkage)) {
if (ParseGlobalValue(Ty, Init))
return true;
}
- if (Ty->isFunctionTy() || Ty->isLabelTy())
+ if (Ty->isFunctionTy() || !PointerType::isValidElementType(Ty))
return Error(TyLoc, "invalid type for global variable");
- GlobalVariable *GV = 0;
+ GlobalValue *GVal = nullptr;
// See if the global was forward referenced, if so, use the global.
if (!Name.empty()) {
- if (GlobalValue *GVal = M->getNamedValue(Name)) {
+ GVal = M->getNamedValue(Name);
+ if (GVal) {
if (!ForwardRefVals.erase(Name) || !isa<GlobalValue>(GVal))
return Error(NameLoc, "redefinition of global '@" + Name + "'");
- GV = cast<GlobalVariable>(GVal);
}
} else {
std::map<unsigned, std::pair<GlobalValue*, LocTy> >::iterator
I = ForwardRefValIDs.find(NumberedVals.size());
if (I != ForwardRefValIDs.end()) {
- GV = cast<GlobalVariable>(I->second.first);
+ GVal = I->second.first;
ForwardRefValIDs.erase(I);
}
}
- if (GV == 0) {
- GV = new GlobalVariable(*M, Ty, false, GlobalValue::ExternalLinkage, 0,
- Name, 0, GlobalVariable::NotThreadLocal,
+ GlobalVariable *GV;
+ if (!GVal) {
+ GV = new GlobalVariable(*M, Ty, false, GlobalValue::ExternalLinkage, nullptr,
+ Name, nullptr, GlobalVariable::NotThreadLocal,
AddrSpace);
} else {
- if (GV->getType()->getElementType() != Ty)
+ if (GVal->getType()->getElementType() != Ty)
return Error(TyLoc,
"forward reference and definition of global have different types");
+ GV = cast<GlobalVariable>(GVal);
+
// Move the forward-reference to the correct spot in the module.
M->getGlobalList().splice(M->global_end(), M->getGlobalList(), GV);
}
GV->setConstant(IsConstant);
GV->setLinkage((GlobalValue::LinkageTypes)Linkage);
GV->setVisibility((GlobalValue::VisibilityTypes)Visibility);
+ GV->setDLLStorageClass((GlobalValue::DLLStorageClassTypes)DLLStorageClass);
+ GV->setExternallyInitialized(IsExternallyInitialized);
GV->setThreadLocalMode(TLM);
GV->setUnnamedAddr(UnnamedAddr);
if (ParseOptionalAlignment(Alignment)) return true;
GV->setAlignment(Alignment);
} else {
- TokError("unknown global variable property!");
+ Comdat *C;
+ if (parseOptionalComdat(Name, C))
+ return true;
+ if (C)
+ GV->setComdat(C);
+ else
+ return TokError("unknown global variable property!");
}
}
return false;
}
+/// ParseUnnamedAttrGrp
+/// ::= 'attributes' AttrGrpID '=' '{' AttrValPair+ '}'
+bool LLParser::ParseUnnamedAttrGrp() {
+ assert(Lex.getKind() == lltok::kw_attributes);
+ LocTy AttrGrpLoc = Lex.getLoc();
+ Lex.Lex();
+
+ if (Lex.getKind() != lltok::AttrGrpID)
+ return TokError("expected attribute group id");
+
+ unsigned VarID = Lex.getUIntVal();
+ std::vector<unsigned> unused;
+ LocTy BuiltinLoc;
+ Lex.Lex();
+
+ if (ParseToken(lltok::equal, "expected '=' here") ||
+ ParseToken(lltok::lbrace, "expected '{' here") ||
+ ParseFnAttributeValuePairs(NumberedAttrBuilders[VarID], unused, true,
+ BuiltinLoc) ||
+ ParseToken(lltok::rbrace, "expected end of attribute group"))
+ return true;
+
+ if (!NumberedAttrBuilders[VarID].hasAttributes())
+ return Error(AttrGrpLoc, "attribute group has no attributes");
+
+ return false;
+}
+
+/// ParseFnAttributeValuePairs
+/// ::= <attr> | <attr> '=' <value>
+bool LLParser::ParseFnAttributeValuePairs(AttrBuilder &B,
+ std::vector<unsigned> &FwdRefAttrGrps,
+ bool inAttrGrp, LocTy &BuiltinLoc) {
+ bool HaveError = false;
+
+ B.clear();
+
+ while (true) {
+ lltok::Kind Token = Lex.getKind();
+ if (Token == lltok::kw_builtin)
+ BuiltinLoc = Lex.getLoc();
+ switch (Token) {
+ default:
+ if (!inAttrGrp) return HaveError;
+ return Error(Lex.getLoc(), "unterminated attribute group");
+ case lltok::rbrace:
+ // Finished.
+ return false;
+
+ case lltok::AttrGrpID: {
+ // Allow a function to reference an attribute group:
+ //
+ // define void @foo() #1 { ... }
+ if (inAttrGrp)
+ HaveError |=
+ Error(Lex.getLoc(),
+ "cannot have an attribute group reference in an attribute group");
+
+ unsigned AttrGrpNum = Lex.getUIntVal();
+ if (inAttrGrp) break;
+
+ // Save the reference to the attribute group. We'll fill it in later.
+ FwdRefAttrGrps.push_back(AttrGrpNum);
+ break;
+ }
+ // Target-dependent attributes:
+ case lltok::StringConstant: {
+ std::string Attr = Lex.getStrVal();
+ Lex.Lex();
+ std::string Val;
+ if (EatIfPresent(lltok::equal) &&
+ ParseStringConstant(Val))
+ return true;
+
+ B.addAttribute(Attr, Val);
+ continue;
+ }
+
+ // Target-independent attributes:
+ case lltok::kw_align: {
+ // As a hack, we allow function alignment to be initially parsed as an
+ // attribute on a function declaration/definition or added to an attribute
+ // group and later moved to the alignment field.
+ unsigned Alignment;
+ if (inAttrGrp) {
+ Lex.Lex();
+ if (ParseToken(lltok::equal, "expected '=' here") ||
+ ParseUInt32(Alignment))
+ return true;
+ } else {
+ if (ParseOptionalAlignment(Alignment))
+ return true;
+ }
+ B.addAlignmentAttr(Alignment);
+ continue;
+ }
+ case lltok::kw_alignstack: {
+ unsigned Alignment;
+ if (inAttrGrp) {
+ Lex.Lex();
+ if (ParseToken(lltok::equal, "expected '=' here") ||
+ ParseUInt32(Alignment))
+ return true;
+ } else {
+ if (ParseOptionalStackAlignment(Alignment))
+ return true;
+ }
+ B.addStackAlignmentAttr(Alignment);
+ continue;
+ }
+ case lltok::kw_alwaysinline: B.addAttribute(Attribute::AlwaysInline); break;
+ case lltok::kw_builtin: B.addAttribute(Attribute::Builtin); break;
+ case lltok::kw_cold: B.addAttribute(Attribute::Cold); break;
+ case lltok::kw_inlinehint: B.addAttribute(Attribute::InlineHint); break;
+ case lltok::kw_jumptable: B.addAttribute(Attribute::JumpTable); break;
+ case lltok::kw_minsize: B.addAttribute(Attribute::MinSize); break;
+ case lltok::kw_naked: B.addAttribute(Attribute::Naked); break;
+ case lltok::kw_nobuiltin: B.addAttribute(Attribute::NoBuiltin); break;
+ case lltok::kw_noduplicate: B.addAttribute(Attribute::NoDuplicate); break;
+ case lltok::kw_noimplicitfloat: B.addAttribute(Attribute::NoImplicitFloat); break;
+ case lltok::kw_noinline: B.addAttribute(Attribute::NoInline); break;
+ case lltok::kw_nonlazybind: B.addAttribute(Attribute::NonLazyBind); break;
+ case lltok::kw_noredzone: B.addAttribute(Attribute::NoRedZone); break;
+ case lltok::kw_noreturn: B.addAttribute(Attribute::NoReturn); break;
+ case lltok::kw_nounwind: B.addAttribute(Attribute::NoUnwind); break;
+ case lltok::kw_optnone: B.addAttribute(Attribute::OptimizeNone); break;
+ case lltok::kw_optsize: B.addAttribute(Attribute::OptimizeForSize); break;
+ case lltok::kw_readnone: B.addAttribute(Attribute::ReadNone); break;
+ case lltok::kw_readonly: B.addAttribute(Attribute::ReadOnly); break;
+ case lltok::kw_returns_twice: B.addAttribute(Attribute::ReturnsTwice); break;
+ case lltok::kw_ssp: B.addAttribute(Attribute::StackProtect); break;
+ case lltok::kw_sspreq: B.addAttribute(Attribute::StackProtectReq); break;
+ case lltok::kw_sspstrong: B.addAttribute(Attribute::StackProtectStrong); break;
+ case lltok::kw_sanitize_address: B.addAttribute(Attribute::SanitizeAddress); break;
+ case lltok::kw_sanitize_thread: B.addAttribute(Attribute::SanitizeThread); break;
+ case lltok::kw_sanitize_memory: B.addAttribute(Attribute::SanitizeMemory); break;
+ case lltok::kw_uwtable: B.addAttribute(Attribute::UWTable); break;
+
+ // Error handling.
+ case lltok::kw_inreg:
+ case lltok::kw_signext:
+ case lltok::kw_zeroext:
+ HaveError |=
+ Error(Lex.getLoc(),
+ "invalid use of attribute on a function");
+ break;
+ case lltok::kw_byval:
+ case lltok::kw_dereferenceable:
+ case lltok::kw_inalloca:
+ case lltok::kw_nest:
+ case lltok::kw_noalias:
+ case lltok::kw_nocapture:
+ case lltok::kw_nonnull:
+ case lltok::kw_returned:
+ case lltok::kw_sret:
+ HaveError |=
+ Error(Lex.getLoc(),
+ "invalid use of parameter-only attribute on a function");
+ break;
+ }
+
+ Lex.Lex();
+ }
+}
//===----------------------------------------------------------------------===//
// GlobalValue Reference/Resolution Routines.
GlobalValue *LLParser::GetGlobalVal(const std::string &Name, Type *Ty,
LocTy Loc) {
PointerType *PTy = dyn_cast<PointerType>(Ty);
- if (PTy == 0) {
+ if (!PTy) {
Error(Loc, "global variable reference must have pointer type");
- return 0;
+ return nullptr;
}
// Look this name up in the normal function symbol table.
// If this is a forward reference for the value, see if we already created a
// forward ref record.
- if (Val == 0) {
+ if (!Val) {
std::map<std::string, std::pair<GlobalValue*, LocTy> >::iterator
I = ForwardRefVals.find(Name);
if (I != ForwardRefVals.end())
if (Val->getType() == Ty) return Val;
Error(Loc, "'@" + Name + "' defined with type '" +
getTypeString(Val->getType()) + "'");
- return 0;
+ return nullptr;
}
// Otherwise, create a new forward reference for this value and remember it.
FwdVal = Function::Create(FT, GlobalValue::ExternalWeakLinkage, Name, M);
else
FwdVal = new GlobalVariable(*M, PTy->getElementType(), false,
- GlobalValue::ExternalWeakLinkage, 0, Name,
- 0, GlobalVariable::NotThreadLocal,
+ GlobalValue::ExternalWeakLinkage, nullptr, Name,
+ nullptr, GlobalVariable::NotThreadLocal,
PTy->getAddressSpace());
ForwardRefVals[Name] = std::make_pair(FwdVal, Loc);
GlobalValue *LLParser::GetGlobalVal(unsigned ID, Type *Ty, LocTy Loc) {
PointerType *PTy = dyn_cast<PointerType>(Ty);
- if (PTy == 0) {
+ if (!PTy) {
Error(Loc, "global variable reference must have pointer type");
- return 0;
+ return nullptr;
}
- GlobalValue *Val = ID < NumberedVals.size() ? NumberedVals[ID] : 0;
+ GlobalValue *Val = ID < NumberedVals.size() ? NumberedVals[ID] : nullptr;
// If this is a forward reference for the value, see if we already created a
// forward ref record.
- if (Val == 0) {
+ if (!Val) {
std::map<unsigned, std::pair<GlobalValue*, LocTy> >::iterator
I = ForwardRefValIDs.find(ID);
if (I != ForwardRefValIDs.end())
if (Val->getType() == Ty) return Val;
Error(Loc, "'@" + Twine(ID) + "' defined with type '" +
getTypeString(Val->getType()) + "'");
- return 0;
+ return nullptr;
}
// Otherwise, create a new forward reference for this value and remember it.
FwdVal = Function::Create(FT, GlobalValue::ExternalWeakLinkage, "", M);
else
FwdVal = new GlobalVariable(*M, PTy->getElementType(), false,
- GlobalValue::ExternalWeakLinkage, 0, "");
+ GlobalValue::ExternalWeakLinkage, nullptr, "");
ForwardRefValIDs[ID] = std::make_pair(FwdVal, Loc);
return FwdVal;
}
+//===----------------------------------------------------------------------===//
+// Comdat Reference/Resolution Routines.
+//===----------------------------------------------------------------------===//
+
+Comdat *LLParser::getComdat(const std::string &Name, LocTy Loc) {
+ // Look this name up in the comdat symbol table.
+ Module::ComdatSymTabType &ComdatSymTab = M->getComdatSymbolTable();
+ Module::ComdatSymTabType::iterator I = ComdatSymTab.find(Name);
+ if (I != ComdatSymTab.end())
+ return &I->second;
+
+ // Otherwise, create a new forward reference for this value and remember it.
+ Comdat *C = M->getOrInsertComdat(Name);
+ ForwardRefComdats[Name] = Loc;
+ return C;
+}
+
+
//===----------------------------------------------------------------------===//
// Helper Routines.
//===----------------------------------------------------------------------===//
return false;
}
+/// ParseUInt64
+/// ::= uint64
+bool LLParser::ParseUInt64(uint64_t &Val) {
+ if (Lex.getKind() != lltok::APSInt || Lex.getAPSIntVal().isSigned())
+ return TokError("expected integer");
+ Val = Lex.getAPSIntVal().getLimitedValue();
+ Lex.Lex();
+ return false;
+}
+
/// ParseTLSModel
/// := 'localdynamic'
/// := 'initialexec'
ParseToken(lltok::rparen, "expected ')' in address space");
}
-/// ParseOptionalAttrs - Parse a potentially empty attribute list. AttrKind
-/// indicates what kind of attribute list this is: 0: function arg, 1: result,
-/// 2: function attr.
-bool LLParser::ParseOptionalAttrs(AttrBuilder &B, unsigned AttrKind) {
- LocTy AttrLoc = Lex.getLoc();
+/// ParseOptionalParamAttrs - Parse a potentially empty list of parameter attributes.
+bool LLParser::ParseOptionalParamAttrs(AttrBuilder &B) {
bool HaveError = false;
B.clear();
switch (Token) {
default: // End of attributes.
return HaveError;
- case lltok::kw_zeroext: B.addAttribute(Attributes::ZExt); break;
- case lltok::kw_signext: B.addAttribute(Attributes::SExt); break;
- case lltok::kw_inreg: B.addAttribute(Attributes::InReg); break;
- case lltok::kw_sret: B.addAttribute(Attributes::StructRet); break;
- case lltok::kw_noalias: B.addAttribute(Attributes::NoAlias); break;
- case lltok::kw_nocapture: B.addAttribute(Attributes::NoCapture); break;
- case lltok::kw_byval: B.addAttribute(Attributes::ByVal); break;
- case lltok::kw_nest: B.addAttribute(Attributes::Nest); break;
-
- case lltok::kw_noreturn: B.addAttribute(Attributes::NoReturn); break;
- case lltok::kw_nounwind: B.addAttribute(Attributes::NoUnwind); break;
- case lltok::kw_uwtable: B.addAttribute(Attributes::UWTable); break;
- case lltok::kw_returns_twice: B.addAttribute(Attributes::ReturnsTwice); break;
- case lltok::kw_noinline: B.addAttribute(Attributes::NoInline); break;
- case lltok::kw_readnone: B.addAttribute(Attributes::ReadNone); break;
- case lltok::kw_readonly: B.addAttribute(Attributes::ReadOnly); break;
- case lltok::kw_inlinehint: B.addAttribute(Attributes::InlineHint); break;
- case lltok::kw_alwaysinline: B.addAttribute(Attributes::AlwaysInline); break;
- case lltok::kw_optsize: B.addAttribute(Attributes::OptimizeForSize); break;
- case lltok::kw_ssp: B.addAttribute(Attributes::StackProtect); break;
- case lltok::kw_sspreq: B.addAttribute(Attributes::StackProtectReq); break;
- case lltok::kw_noredzone: B.addAttribute(Attributes::NoRedZone); break;
- case lltok::kw_noimplicitfloat: B.addAttribute(Attributes::NoImplicitFloat); break;
- case lltok::kw_naked: B.addAttribute(Attributes::Naked); break;
- case lltok::kw_nonlazybind: B.addAttribute(Attributes::NonLazyBind); break;
- case lltok::kw_address_safety: B.addAttribute(Attributes::AddressSafety); break;
- case lltok::kw_minsize: B.addAttribute(Attributes::MinSize); break;
-
- case lltok::kw_alignstack: {
- unsigned Alignment;
- if (ParseOptionalStackAlignment(Alignment))
- return true;
- B.addStackAlignmentAttr(Alignment);
- continue;
- }
-
case lltok::kw_align: {
unsigned Alignment;
if (ParseOptionalAlignment(Alignment))
B.addAlignmentAttr(Alignment);
continue;
}
+ case lltok::kw_byval: B.addAttribute(Attribute::ByVal); break;
+ case lltok::kw_dereferenceable: {
+ uint64_t Bytes;
+ if (ParseOptionalDereferenceableBytes(Bytes))
+ return true;
+ B.addDereferenceableAttr(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;
+ case lltok::kw_noalias: B.addAttribute(Attribute::NoAlias); break;
+ case lltok::kw_nocapture: B.addAttribute(Attribute::NoCapture); break;
+ case lltok::kw_nonnull: B.addAttribute(Attribute::NonNull); break;
+ case lltok::kw_readnone: B.addAttribute(Attribute::ReadNone); break;
+ case lltok::kw_readonly: B.addAttribute(Attribute::ReadOnly); break;
+ case lltok::kw_returned: B.addAttribute(Attribute::Returned); break;
+ case lltok::kw_signext: B.addAttribute(Attribute::SExt); break;
+ case lltok::kw_sret: B.addAttribute(Attribute::StructRet); break;
+ case lltok::kw_zeroext: B.addAttribute(Attribute::ZExt); break;
+ case lltok::kw_alignstack:
+ case lltok::kw_alwaysinline:
+ case lltok::kw_builtin:
+ case lltok::kw_inlinehint:
+ case lltok::kw_jumptable:
+ case lltok::kw_minsize:
+ case lltok::kw_naked:
+ case lltok::kw_nobuiltin:
+ case lltok::kw_noduplicate:
+ case lltok::kw_noimplicitfloat:
+ case lltok::kw_noinline:
+ case lltok::kw_nonlazybind:
+ case lltok::kw_noredzone:
+ case lltok::kw_noreturn:
+ case lltok::kw_nounwind:
+ case lltok::kw_optnone:
+ case lltok::kw_optsize:
+ case lltok::kw_returns_twice:
+ case lltok::kw_sanitize_address:
+ case lltok::kw_sanitize_memory:
+ case lltok::kw_sanitize_thread:
+ case lltok::kw_ssp:
+ case lltok::kw_sspreq:
+ case lltok::kw_sspstrong:
+ case lltok::kw_uwtable:
+ HaveError |= Error(Lex.getLoc(), "invalid use of function-only attribute");
+ break;
}
- // Perform some error checking.
+ Lex.Lex();
+ }
+}
+
+/// ParseOptionalReturnAttrs - Parse a potentially empty list of return attributes.
+bool LLParser::ParseOptionalReturnAttrs(AttrBuilder &B) {
+ bool HaveError = false;
+
+ B.clear();
+
+ while (1) {
+ lltok::Kind Token = Lex.getKind();
switch (Token) {
- default:
- if (AttrKind == 2)
- HaveError |= Error(AttrLoc, "invalid use of attribute on a function");
- break;
- case lltok::kw_align:
- // As a hack, we allow "align 2" on functions as a synonym for
- // "alignstack 2".
- break;
+ default: // End of attributes.
+ return HaveError;
+ case lltok::kw_dereferenceable: {
+ uint64_t Bytes;
+ if (ParseOptionalDereferenceableBytes(Bytes))
+ return true;
+ B.addDereferenceableAttr(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;
+ case lltok::kw_signext: B.addAttribute(Attribute::SExt); break;
+ case lltok::kw_zeroext: B.addAttribute(Attribute::ZExt); break;
- // Parameter Only:
- case lltok::kw_sret:
- case lltok::kw_nocapture:
+ // Error handling.
+ case lltok::kw_align:
case lltok::kw_byval:
+ case lltok::kw_inalloca:
case lltok::kw_nest:
- if (AttrKind != 0)
- HaveError |= Error(AttrLoc, "invalid use of parameter-only attribute");
+ case lltok::kw_nocapture:
+ case lltok::kw_returned:
+ case lltok::kw_sret:
+ HaveError |= Error(Lex.getLoc(), "invalid use of parameter-only attribute");
break;
- // Function Only:
+ case lltok::kw_alignstack:
+ case lltok::kw_alwaysinline:
+ case lltok::kw_builtin:
+ case lltok::kw_cold:
+ case lltok::kw_inlinehint:
+ case lltok::kw_jumptable:
+ case lltok::kw_minsize:
+ case lltok::kw_naked:
+ case lltok::kw_nobuiltin:
+ case lltok::kw_noduplicate:
+ case lltok::kw_noimplicitfloat:
+ case lltok::kw_noinline:
+ case lltok::kw_nonlazybind:
+ case lltok::kw_noredzone:
case lltok::kw_noreturn:
case lltok::kw_nounwind:
- case lltok::kw_readnone:
- case lltok::kw_readonly:
- case lltok::kw_noinline:
- case lltok::kw_alwaysinline:
+ case lltok::kw_optnone:
case lltok::kw_optsize:
+ case lltok::kw_returns_twice:
+ case lltok::kw_sanitize_address:
+ case lltok::kw_sanitize_memory:
+ case lltok::kw_sanitize_thread:
case lltok::kw_ssp:
case lltok::kw_sspreq:
- case lltok::kw_noredzone:
- case lltok::kw_noimplicitfloat:
- case lltok::kw_naked:
- case lltok::kw_inlinehint:
- case lltok::kw_alignstack:
+ case lltok::kw_sspstrong:
case lltok::kw_uwtable:
- case lltok::kw_nonlazybind:
- case lltok::kw_returns_twice:
- case lltok::kw_address_safety:
- case lltok::kw_minsize:
- if (AttrKind != 2)
- HaveError |= Error(AttrLoc, "invalid use of function-only attribute");
+ HaveError |= Error(Lex.getLoc(), "invalid use of function-only attribute");
break;
+
+ case lltok::kw_readnone:
+ case lltok::kw_readonly:
+ HaveError |= Error(Lex.getLoc(), "invalid use of attribute on return type");
}
Lex.Lex();
/// ParseOptionalLinkage
/// ::= /*empty*/
/// ::= 'private'
-/// ::= 'linker_private'
-/// ::= 'linker_private_weak'
/// ::= 'internal'
/// ::= 'weak'
/// ::= 'weak_odr'
/// ::= 'linkonce'
/// ::= 'linkonce_odr'
-/// ::= 'linkonce_odr_auto_hide'
/// ::= 'available_externally'
/// ::= 'appending'
-/// ::= 'dllexport'
/// ::= 'common'
-/// ::= 'dllimport'
/// ::= 'extern_weak'
/// ::= 'external'
bool LLParser::ParseOptionalLinkage(unsigned &Res, bool &HasLinkage) {
switch (Lex.getKind()) {
default: Res=GlobalValue::ExternalLinkage; return false;
case lltok::kw_private: Res = GlobalValue::PrivateLinkage; break;
- case lltok::kw_linker_private: Res = GlobalValue::LinkerPrivateLinkage; break;
- case lltok::kw_linker_private_weak:
- Res = GlobalValue::LinkerPrivateWeakLinkage;
- break;
case lltok::kw_internal: Res = GlobalValue::InternalLinkage; break;
case lltok::kw_weak: Res = GlobalValue::WeakAnyLinkage; break;
case lltok::kw_weak_odr: Res = GlobalValue::WeakODRLinkage; break;
case lltok::kw_linkonce: Res = GlobalValue::LinkOnceAnyLinkage; break;
case lltok::kw_linkonce_odr: Res = GlobalValue::LinkOnceODRLinkage; break;
- case lltok::kw_linkonce_odr_auto_hide:
- case lltok::kw_linker_private_weak_def_auto: // FIXME: For backwards compat.
- Res = GlobalValue::LinkOnceODRAutoHideLinkage;
- break;
case lltok::kw_available_externally:
Res = GlobalValue::AvailableExternallyLinkage;
break;
case lltok::kw_appending: Res = GlobalValue::AppendingLinkage; break;
- case lltok::kw_dllexport: Res = GlobalValue::DLLExportLinkage; break;
case lltok::kw_common: Res = GlobalValue::CommonLinkage; break;
- case lltok::kw_dllimport: Res = GlobalValue::DLLImportLinkage; break;
case lltok::kw_extern_weak: Res = GlobalValue::ExternalWeakLinkage; break;
case lltok::kw_external: Res = GlobalValue::ExternalLinkage; break;
}
return false;
}
-/// ParseOptionalCallingConv
+/// ParseOptionalDLLStorageClass
/// ::= /*empty*/
-/// ::= 'ccc'
-/// ::= 'fastcc'
-/// ::= 'kw_intel_ocl_bicc'
-/// ::= 'coldcc'
-/// ::= 'x86_stdcallcc'
+/// ::= 'dllimport'
+/// ::= 'dllexport'
+///
+bool LLParser::ParseOptionalDLLStorageClass(unsigned &Res) {
+ switch (Lex.getKind()) {
+ default: Res = GlobalValue::DefaultStorageClass; return false;
+ case lltok::kw_dllimport: Res = GlobalValue::DLLImportStorageClass; break;
+ case lltok::kw_dllexport: Res = GlobalValue::DLLExportStorageClass; break;
+ }
+ Lex.Lex();
+ return false;
+}
+
+/// ParseOptionalCallingConv
+/// ::= /*empty*/
+/// ::= 'ccc'
+/// ::= 'fastcc'
+/// ::= 'intel_ocl_bicc'
+/// ::= 'coldcc'
+/// ::= 'x86_stdcallcc'
/// ::= 'x86_fastcallcc'
/// ::= 'x86_thiscallcc'
+/// ::= 'x86_vectorcallcc'
/// ::= 'arm_apcscc'
/// ::= 'arm_aapcscc'
/// ::= 'arm_aapcs_vfpcc'
/// ::= 'ptx_device'
/// ::= 'spir_func'
/// ::= 'spir_kernel'
+/// ::= 'x86_64_sysvcc'
+/// ::= 'x86_64_win64cc'
+/// ::= 'webkit_jscc'
+/// ::= 'anyregcc'
+/// ::= 'preserve_mostcc'
+/// ::= 'preserve_allcc'
+/// ::= 'ghccc'
/// ::= 'cc' UINT
///
-bool LLParser::ParseOptionalCallingConv(CallingConv::ID &CC) {
+bool LLParser::ParseOptionalCallingConv(unsigned &CC) {
switch (Lex.getKind()) {
default: CC = CallingConv::C; return false;
case lltok::kw_ccc: CC = CallingConv::C; break;
case lltok::kw_x86_stdcallcc: CC = CallingConv::X86_StdCall; break;
case lltok::kw_x86_fastcallcc: CC = CallingConv::X86_FastCall; break;
case lltok::kw_x86_thiscallcc: CC = CallingConv::X86_ThisCall; break;
+ case lltok::kw_x86_vectorcallcc:CC = CallingConv::X86_VectorCall; break;
case lltok::kw_arm_apcscc: CC = CallingConv::ARM_APCS; break;
case lltok::kw_arm_aapcscc: CC = CallingConv::ARM_AAPCS; break;
case lltok::kw_arm_aapcs_vfpcc:CC = CallingConv::ARM_AAPCS_VFP; break;
case lltok::kw_spir_kernel: CC = CallingConv::SPIR_KERNEL; break;
case lltok::kw_spir_func: CC = CallingConv::SPIR_FUNC; break;
case lltok::kw_intel_ocl_bicc: CC = CallingConv::Intel_OCL_BI; break;
+ case lltok::kw_x86_64_sysvcc: CC = CallingConv::X86_64_SysV; break;
+ case lltok::kw_x86_64_win64cc: CC = CallingConv::X86_64_Win64; break;
+ case lltok::kw_webkit_jscc: CC = CallingConv::WebKit_JS; break;
+ case lltok::kw_anyregcc: CC = CallingConv::AnyReg; break;
+ case lltok::kw_preserve_mostcc:CC = CallingConv::PreserveMost; break;
+ case lltok::kw_preserve_allcc: CC = CallingConv::PreserveAll; break;
+ case lltok::kw_ghccc: CC = CallingConv::GHC; break;
case lltok::kw_cc: {
- unsigned ArbitraryCC;
Lex.Lex();
- if (ParseUInt32(ArbitraryCC))
- return true;
- CC = static_cast<CallingConv::ID>(ArbitraryCC);
- return false;
+ return ParseUInt32(CC);
}
}
unsigned MDK = M->getMDKindID(Name);
Lex.Lex();
- MDNode *Node;
- SMLoc Loc = Lex.getLoc();
-
- if (ParseToken(lltok::exclaim, "expected '!' here"))
+ MDNode *N;
+ if (ParseMDNode(N))
return true;
- // This code is similar to that of ParseMetadataValue, however it needs to
- // have special-case code for a forward reference; see the comments on
- // ForwardRefInstMetadata for details. Also, MDStrings are not supported
- // at the top level here.
- if (Lex.getKind() == lltok::lbrace) {
- ValID ID;
- if (ParseMetadataListValue(ID, PFS))
- return true;
- assert(ID.Kind == ValID::t_MDNode);
- Inst->setMetadata(MDK, ID.MDNodeVal);
- } else {
- unsigned NodeID = 0;
- if (ParseMDNodeID(Node, NodeID))
- return true;
- if (Node) {
- // If we got the node, add it to the instruction.
- Inst->setMetadata(MDK, Node);
- } else {
- MDRef R = { Loc, MDK, NodeID };
- // Otherwise, remember that this should be resolved later.
- ForwardRefInstMetadata[Inst].push_back(R);
- }
- }
+ Inst->setMetadata(MDK, N);
+ if (MDK == LLVMContext::MD_tbaa)
+ InstsWithTBAATag.push_back(Inst);
// If this is the end of the list, we're done.
} while (EatIfPresent(lltok::comma));
return false;
}
+/// ParseOptionalDereferenceableBytes
+/// ::= /* empty */
+/// ::= 'dereferenceable' '(' 4 ')'
+bool LLParser::ParseOptionalDereferenceableBytes(uint64_t &Bytes) {
+ Bytes = 0;
+ if (!EatIfPresent(lltok::kw_dereferenceable))
+ return false;
+ LocTy ParenLoc = Lex.getLoc();
+ if (!EatIfPresent(lltok::lparen))
+ return Error(ParenLoc, "expected '('");
+ LocTy DerefLoc = Lex.getLoc();
+ if (ParseUInt64(Bytes)) return true;
+ ParenLoc = Lex.getLoc();
+ if (!EatIfPresent(lltok::rparen))
+ return Error(ParenLoc, "expected ')'");
+ if (!Bytes)
+ return Error(DerefLoc, "dereferenceable bytes must be non-zero");
+ return false;
+}
+
/// ParseOptionalCommaAlign
/// ::=
/// ::= ',' align 4
Scope = CrossThread;
if (EatIfPresent(lltok::kw_singlethread))
Scope = SingleThread;
+
+ return ParseOrdering(Ordering);
+}
+
+/// ParseOrdering
+/// ::= AtomicOrdering
+///
+/// This sets Ordering to the parsed value.
+bool LLParser::ParseOrdering(AtomicOrdering &Ordering) {
switch (Lex.getKind()) {
default: return TokError("Expected ordering on atomic instruction");
case lltok::kw_unordered: Ordering = Unordered; break;
while (EatIfPresent(lltok::comma)) {
if (Lex.getKind() == lltok::MetadataVar) {
+ if (Indices.empty()) return TokError("expected index");
AteExtraComma = true;
return false;
}
//===----------------------------------------------------------------------===//
/// ParseType - Parse a type.
-bool LLParser::ParseType(Type *&Result, bool AllowVoid) {
+bool LLParser::ParseType(Type *&Result, const Twine &Msg, bool AllowVoid) {
SMLoc TypeLoc = Lex.getLoc();
switch (Lex.getKind()) {
default:
- return TokError("expected type");
+ return TokError(Msg);
case lltok::Type:
// Type ::= 'float' | 'void' (etc)
Result = Lex.getTyVal();
// If the type hasn't been defined yet, create a forward definition and
// remember where that forward def'n was seen (in case it never is defined).
- if (Entry.first == 0) {
+ if (!Entry.first) {
Entry.first = StructType::create(Context, Lex.getStrVal());
Entry.second = Lex.getLoc();
}
case lltok::LocalVarID: {
// Type ::= %4
- if (Lex.getUIntVal() >= NumberedTypes.size())
- NumberedTypes.resize(Lex.getUIntVal()+1);
std::pair<Type*, LocTy> &Entry = NumberedTypes[Lex.getUIntVal()];
// If the type hasn't been defined yet, create a forward definition and
// remember where that forward def'n was seen (in case it never is defined).
- if (Entry.first == 0) {
+ if (!Entry.first) {
Entry.first = StructType::create(Context);
Entry.second = Lex.getLoc();
}
/// Arg
/// ::= Type OptionalAttributes Value OptionalAttributes
bool LLParser::ParseParameterList(SmallVectorImpl<ParamInfo> &ArgList,
- PerFunctionState &PFS) {
+ PerFunctionState &PFS, bool IsMustTailCall,
+ bool InVarArgsFunc) {
if (ParseToken(lltok::lparen, "expected '(' in call"))
return true;
+ unsigned AttrIndex = 1;
while (Lex.getKind() != lltok::rparen) {
// If this isn't the first argument, we need a comma.
if (!ArgList.empty() &&
ParseToken(lltok::comma, "expected ',' in argument list"))
return true;
+ // Parse an ellipsis if this is a musttail call in a variadic function.
+ if (Lex.getKind() == lltok::dotdotdot) {
+ const char *Msg = "unexpected ellipsis in argument list for ";
+ if (!IsMustTailCall)
+ return TokError(Twine(Msg) + "non-musttail call");
+ if (!InVarArgsFunc)
+ return TokError(Twine(Msg) + "musttail call in non-varargs function");
+ Lex.Lex(); // Lex the '...', it is purely for readability.
+ return ParseToken(lltok::rparen, "expected ')' at end of argument list");
+ }
+
// Parse the argument.
LocTy ArgLoc;
- Type *ArgTy = 0;
+ Type *ArgTy = nullptr;
AttrBuilder ArgAttrs;
Value *V;
if (ParseType(ArgTy, ArgLoc))
return true;
- // Otherwise, handle normal operands.
- if (ParseOptionalAttrs(ArgAttrs, 0) || ParseValue(ArgTy, V, PFS))
- return true;
- ArgList.push_back(ParamInfo(ArgLoc, V, Attributes::get(V->getContext(),
- ArgAttrs)));
+ if (ArgTy->isMetadataTy()) {
+ if (ParseMetadataAsValue(V, PFS))
+ return true;
+ } else {
+ // Otherwise, handle normal operands.
+ if (ParseOptionalParamAttrs(ArgAttrs) || ParseValue(ArgTy, V, PFS))
+ return true;
+ }
+ ArgList.push_back(ParamInfo(ArgLoc, V, AttributeSet::get(V->getContext(),
+ AttrIndex++,
+ ArgAttrs)));
}
+ if (IsMustTailCall && InVarArgsFunc)
+ return TokError("expected '...' at end of argument list for musttail call "
+ "in varargs function");
+
Lex.Lex(); // Lex the ')'.
return false;
}
Lex.Lex();
} else {
LocTy TypeLoc = Lex.getLoc();
- Type *ArgTy = 0;
+ Type *ArgTy = nullptr;
AttrBuilder Attrs;
std::string Name;
if (ParseType(ArgTy) ||
- ParseOptionalAttrs(Attrs, 0)) return true;
+ ParseOptionalParamAttrs(Attrs)) return true;
if (ArgTy->isVoidTy())
return Error(TypeLoc, "argument can not have void type");
if (!FunctionType::isValidArgumentType(ArgTy))
return Error(TypeLoc, "invalid type for function argument");
+ unsigned AttrIndex = 1;
ArgList.push_back(ArgInfo(TypeLoc, ArgTy,
- Attributes::get(ArgTy->getContext(),
- Attrs), Name));
+ AttributeSet::get(ArgTy->getContext(),
+ AttrIndex++, Attrs), Name));
while (EatIfPresent(lltok::comma)) {
// Handle ... at end of arg list.
// Otherwise must be an argument type.
TypeLoc = Lex.getLoc();
- if (ParseType(ArgTy) || ParseOptionalAttrs(Attrs, 0)) return true;
+ if (ParseType(ArgTy) || ParseOptionalParamAttrs(Attrs)) return true;
if (ArgTy->isVoidTy())
return Error(TypeLoc, "argument can not have void type");
return Error(TypeLoc, "invalid type for function argument");
ArgList.push_back(ArgInfo(TypeLoc, ArgTy,
- Attributes::get(ArgTy->getContext(), Attrs),
+ AttributeSet::get(ArgTy->getContext(),
+ AttrIndex++, Attrs),
Name));
}
}
for (unsigned i = 0, e = ArgList.size(); i != e; ++i) {
if (!ArgList[i].Name.empty())
return Error(ArgList[i].Loc, "argument name invalid in function type");
- if (ArgList[i].Attrs.hasAttributes())
+ if (ArgList[i].Attrs.hasAttributes(i + 1))
return Error(ArgList[i].Loc,
"argument attributes invalid in function type");
}
Entry.second = SMLoc();
// If this type number has never been uttered, create it.
- if (Entry.first == 0)
+ if (!Entry.first)
Entry.first = StructType::create(Context, Name);
ResultTy = Entry.first;
return false;
if (Entry.first)
return Error(TypeLoc, "forward references to non-struct type");
- ResultTy = 0;
+ ResultTy = nullptr;
if (isPacked)
return ParseArrayVectorType(ResultTy, true);
return ParseType(ResultTy);
Entry.second = SMLoc();
// If this type number has never been uttered, create it.
- if (Entry.first == 0)
+ if (!Entry.first)
Entry.first = StructType::create(Context, Name);
StructType *STy = cast<StructType>(Entry.first);
return false;
LocTy EltTyLoc = Lex.getLoc();
- Type *Ty = 0;
+ Type *Ty = nullptr;
if (ParseType(Ty)) return true;
Body.push_back(Ty);
return true;
LocTy TypeLoc = Lex.getLoc();
- Type *EltTy = 0;
+ Type *EltTy = nullptr;
if (ParseType(EltTy)) return true;
if (ParseToken(isVector ? lltok::greater : lltok::rsquare,
I->second.first->replaceAllUsesWith(
UndefValue::get(I->second.first->getType()));
delete I->second.first;
- I->second.first = 0;
+ I->second.first = nullptr;
}
for (std::map<unsigned, std::pair<Value*, LocTy> >::iterator
I->second.first->replaceAllUsesWith(
UndefValue::get(I->second.first->getType()));
delete I->second.first;
- I->second.first = 0;
+ I->second.first = nullptr;
}
}
bool LLParser::PerFunctionState::FinishFunction() {
- // Check to see if someone took the address of labels in this block.
- if (!P.ForwardRefBlockAddresses.empty()) {
- ValID FunctionID;
- if (!F.getName().empty()) {
- FunctionID.Kind = ValID::t_GlobalName;
- FunctionID.StrVal = F.getName();
- } else {
- FunctionID.Kind = ValID::t_GlobalID;
- FunctionID.UIntVal = FunctionNumber;
- }
-
- std::map<ValID, std::vector<std::pair<ValID, GlobalValue*> > >::iterator
- FRBAI = P.ForwardRefBlockAddresses.find(FunctionID);
- if (FRBAI != P.ForwardRefBlockAddresses.end()) {
- // Resolve all these references.
- if (P.ResolveForwardRefBlockAddresses(&F, FRBAI->second, this))
- return true;
-
- P.ForwardRefBlockAddresses.erase(FRBAI);
- }
- }
-
if (!ForwardRefVals.empty())
return P.Error(ForwardRefVals.begin()->second.second,
"use of undefined value '%" + ForwardRefVals.begin()->first +
// If this is a forward reference for the value, see if we already created a
// forward ref record.
- if (Val == 0) {
+ if (!Val) {
std::map<std::string, std::pair<Value*, LocTy> >::iterator
I = ForwardRefVals.find(Name);
if (I != ForwardRefVals.end())
else
P.Error(Loc, "'%" + Name + "' defined with type '" +
getTypeString(Val->getType()) + "'");
- return 0;
+ return nullptr;
}
// Don't make placeholders with invalid type.
- if (!Ty->isFirstClassType() && !Ty->isLabelTy()) {
+ if (!Ty->isFirstClassType()) {
P.Error(Loc, "invalid use of a non-first-class type");
- return 0;
+ return nullptr;
}
// Otherwise, create a new forward reference for this value and remember it.
Value *LLParser::PerFunctionState::GetVal(unsigned ID, Type *Ty,
LocTy Loc) {
// Look this name up in the normal function symbol table.
- Value *Val = ID < NumberedVals.size() ? NumberedVals[ID] : 0;
+ Value *Val = ID < NumberedVals.size() ? NumberedVals[ID] : nullptr;
// If this is a forward reference for the value, see if we already created a
// forward ref record.
- if (Val == 0) {
+ if (!Val) {
std::map<unsigned, std::pair<Value*, LocTy> >::iterator
I = ForwardRefValIDs.find(ID);
if (I != ForwardRefValIDs.end())
else
P.Error(Loc, "'%" + Twine(ID) + "' defined with type '" +
getTypeString(Val->getType()) + "'");
- return 0;
+ return nullptr;
}
- if (!Ty->isFirstClassType() && !Ty->isLabelTy()) {
+ if (!Ty->isFirstClassType()) {
P.Error(Loc, "invalid use of a non-first-class type");
- return 0;
+ return nullptr;
}
// Otherwise, create a new forward reference for this value and remember it.
/// 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
BB = GetBB(NumberedVals.size(), Loc);
else
BB = GetBB(Name, Loc);
- if (BB == 0) return 0; // Already diagnosed error.
+ if (!BB) return nullptr; // Already diagnosed error.
// Move the block to the end of the function. Forward ref'd blocks are
// inserted wherever they happen to be referenced.
ID.StrVal = Lex.getStrVal();
ID.Kind = ValID::t_LocalName;
break;
- case lltok::exclaim: // !42, !{...}, or !"foo"
- return ParseMetadataValue(ID, PFS);
case lltok::APSInt:
ID.APSIntVal = Lex.getAPSIntVal();
ID.Kind = ValID::t_APSInt;
return false;
case lltok::kw_asm: {
- // ValID ::= 'asm' SideEffect? AlignStack? STRINGCONSTANT ',' STRINGCONSTANT
+ // ValID ::= 'asm' SideEffect? AlignStack? IntelDialect? STRINGCONSTANT ','
+ // STRINGCONSTANT
bool HasSideEffect, AlignStack, AsmDialect;
Lex.Lex();
if (ParseOptionalToken(lltok::kw_sideeffect, HasSideEffect) ||
Lex.Lex();
ValID Fn, Label;
- LocTy FnLoc, LabelLoc;
if (ParseToken(lltok::lparen, "expected '(' in block address expression") ||
ParseValID(Fn) ||
if (Label.Kind != ValID::t_LocalID && Label.Kind != ValID::t_LocalName)
return Error(Label.Loc, "expected basic block name in blockaddress");
- // Make a global variable as a placeholder for this reference.
- GlobalVariable *FwdRef = new GlobalVariable(*M, Type::getInt8Ty(Context),
- false, GlobalValue::InternalLinkage,
- 0, "");
- ForwardRefBlockAddresses[Fn].push_back(std::make_pair(Label, FwdRef));
- ID.ConstantVal = FwdRef;
+ // Try to find the function (but skip it if it's forward-referenced).
+ GlobalValue *GV = nullptr;
+ if (Fn.Kind == ValID::t_GlobalID) {
+ if (Fn.UIntVal < NumberedVals.size())
+ GV = NumberedVals[Fn.UIntVal];
+ } else if (!ForwardRefVals.count(Fn.StrVal)) {
+ GV = M->getNamedValue(Fn.StrVal);
+ }
+ Function *F = nullptr;
+ if (GV) {
+ // Confirm that it's actually a function with a definition.
+ if (!isa<Function>(GV))
+ return Error(Fn.Loc, "expected function name in blockaddress");
+ F = cast<Function>(GV);
+ if (F->isDeclaration())
+ return Error(Fn.Loc, "cannot take blockaddress inside a declaration");
+ }
+
+ if (!F) {
+ // Make a global variable as a placeholder for this reference.
+ 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, "");
+ ID.ConstantVal = FwdRef;
+ ID.Kind = ValID::t_Constant;
+ return false;
+ }
+
+ // We found the function; now find the basic block. Don't use PFS, since we
+ // might be inside a constant expression.
+ BasicBlock *BB;
+ if (BlockAddressPFS && F == &BlockAddressPFS->getFunction()) {
+ if (Label.Kind == ValID::t_LocalID)
+ BB = BlockAddressPFS->GetBB(Label.UIntVal, Label.Loc);
+ else
+ BB = BlockAddressPFS->GetBB(Label.StrVal, Label.Loc);
+ if (!BB)
+ return Error(Label.Loc, "referenced value is not a basic block");
+ } else {
+ if (Label.Kind == ValID::t_LocalID)
+ return Error(Label.Loc, "cannot take address of numeric label after "
+ "the function is defined");
+ BB = dyn_cast_or_null<BasicBlock>(
+ F->getValueSymbolTable().lookup(Label.StrVal));
+ if (!BB)
+ return Error(Label.Loc, "referenced value is not a basic block");
+ }
+
+ ID.ConstantVal = BlockAddress::get(F, BB);
ID.Kind = ValID::t_Constant;
return false;
}
case lltok::kw_fptrunc:
case lltok::kw_fpext:
case lltok::kw_bitcast:
+ case lltok::kw_addrspacecast:
case lltok::kw_uitofp:
case lltok::kw_sitofp:
case lltok::kw_fptoui:
case lltok::kw_inttoptr:
case lltok::kw_ptrtoint: {
unsigned Opc = Lex.getUIntVal();
- Type *DestTy = 0;
+ Type *DestTy = nullptr;
Constant *SrcVal;
Lex.Lex();
if (ParseToken(lltok::lparen, "expected '(' after constantexpr cast") ||
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;
return false;
}
- case lltok::kw_getelementptr:
- case lltok::kw_shufflevector:
- case lltok::kw_insertelement:
- case lltok::kw_extractelement:
- case lltok::kw_select: {
- unsigned Opc = Lex.getUIntVal();
- SmallVector<Constant*, 16> Elts;
- bool InBounds = false;
- Lex.Lex();
- if (Opc == Instruction::GetElementPtr)
- InBounds = EatIfPresent(lltok::kw_inbounds);
- if (ParseToken(lltok::lparen, "expected '(' in constantexpr") ||
- ParseGlobalValueVector(Elts) ||
- ParseToken(lltok::rparen, "expected ')' in constantexpr"))
- return true;
+ case lltok::kw_getelementptr:
+ case lltok::kw_shufflevector:
+ case lltok::kw_insertelement:
+ case lltok::kw_extractelement:
+ case lltok::kw_select: {
+ unsigned Opc = Lex.getUIntVal();
+ SmallVector<Constant*, 16> Elts;
+ bool InBounds = false;
+ Lex.Lex();
+ if (Opc == Instruction::GetElementPtr)
+ InBounds = EatIfPresent(lltok::kw_inbounds);
+ if (ParseToken(lltok::lparen, "expected '(' in constantexpr") ||
+ ParseGlobalValueVector(Elts) ||
+ ParseToken(lltok::rparen, "expected ')' in constantexpr"))
+ return true;
+
+ if (Opc == Instruction::GetElementPtr) {
+ if (Elts.size() == 0 ||
+ !Elts[0]->getType()->getScalarType()->isPointerTy())
+ 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 getelementptr indices");
+ ID.ConstantVal = ConstantExpr::getGetElementPtr(Elts[0], Indices,
+ InBounds);
+ } else if (Opc == Instruction::Select) {
+ if (Elts.size() != 3)
+ return Error(ID.Loc, "expected three operands to select");
+ if (const char *Reason = SelectInst::areInvalidOperands(Elts[0], Elts[1],
+ Elts[2]))
+ return Error(ID.Loc, Reason);
+ ID.ConstantVal = ConstantExpr::getSelect(Elts[0], Elts[1], Elts[2]);
+ } else if (Opc == Instruction::ShuffleVector) {
+ if (Elts.size() != 3)
+ return Error(ID.Loc, "expected three operands to shufflevector");
+ if (!ShuffleVectorInst::isValidOperands(Elts[0], Elts[1], Elts[2]))
+ return Error(ID.Loc, "invalid operands to shufflevector");
+ ID.ConstantVal =
+ ConstantExpr::getShuffleVector(Elts[0], Elts[1],Elts[2]);
+ } else if (Opc == Instruction::ExtractElement) {
+ if (Elts.size() != 2)
+ return Error(ID.Loc, "expected two operands to extractelement");
+ if (!ExtractElementInst::isValidOperands(Elts[0], Elts[1]))
+ return Error(ID.Loc, "invalid extractelement operands");
+ ID.ConstantVal = ConstantExpr::getExtractElement(Elts[0], Elts[1]);
+ } else {
+ assert(Opc == Instruction::InsertElement && "Unknown opcode");
+ if (Elts.size() != 3)
+ return Error(ID.Loc, "expected three operands to insertelement");
+ if (!InsertElementInst::isValidOperands(Elts[0], Elts[1], Elts[2]))
+ return Error(ID.Loc, "invalid insertelement operands");
+ ID.ConstantVal =
+ ConstantExpr::getInsertElement(Elts[0], Elts[1],Elts[2]);
+ }
+
+ ID.Kind = ValID::t_Constant;
+ return false;
+ }
+ }
+
+ Lex.Lex();
+ return false;
+}
+
+/// ParseGlobalValue - Parse a global value with the specified type.
+bool LLParser::ParseGlobalValue(Type *Ty, Constant *&C) {
+ C = nullptr;
+ ValID ID;
+ Value *V = nullptr;
+ bool Parsed = ParseValID(ID) ||
+ ConvertValIDToValue(Ty, ID, V, nullptr);
+ if (V && !(C = dyn_cast<Constant>(V)))
+ return Error(ID.Loc, "global values must be constants");
+ return Parsed;
+}
+
+bool LLParser::ParseGlobalTypeAndValue(Constant *&V) {
+ Type *Ty = nullptr;
+ return ParseType(Ty) ||
+ ParseGlobalValue(Ty, V);
+}
+
+bool LLParser::parseOptionalComdat(StringRef GlobalName, Comdat *&C) {
+ C = nullptr;
+
+ LocTy KwLoc = Lex.getLoc();
+ if (!EatIfPresent(lltok::kw_comdat))
+ return false;
+
+ if (EatIfPresent(lltok::lparen)) {
+ if (Lex.getKind() != lltok::ComdatVar)
+ return TokError("expected comdat variable");
+ C = getComdat(Lex.getStrVal(), Lex.getLoc());
+ Lex.Lex();
+ if (ParseToken(lltok::rparen, "expected ')' after comdat var"))
+ return true;
+ } else {
+ if (GlobalName.empty())
+ return TokError("comdat cannot be unnamed");
+ C = getComdat(GlobalName, KwLoc);
+ }
+
+ return false;
+}
+
+/// ParseGlobalValueVector
+/// ::= /*empty*/
+/// ::= TypeAndValue (',' TypeAndValue)*
+bool LLParser::ParseGlobalValueVector(SmallVectorImpl<Constant *> &Elts) {
+ // Empty list.
+ if (Lex.getKind() == lltok::rbrace ||
+ Lex.getKind() == lltok::rsquare ||
+ Lex.getKind() == lltok::greater ||
+ Lex.getKind() == lltok::rparen)
+ return false;
+
+ Constant *C;
+ if (ParseGlobalTypeAndValue(C)) return true;
+ Elts.push_back(C);
+
+ while (EatIfPresent(lltok::comma)) {
+ if (ParseGlobalTypeAndValue(C)) return true;
+ Elts.push_back(C);
+ }
+
+ return false;
+}
+
+bool LLParser::ParseMDTuple(MDNode *&MD, bool IsDistinct) {
+ SmallVector<Metadata *, 16> Elts;
+ if (ParseMDNodeVector(Elts))
+ return true;
+
+ MD = (IsDistinct ? MDTuple::getDistinct : MDTuple::get)(Context, Elts);
+ return false;
+}
+
+/// MDNode:
+/// ::= !{ ... }
+/// ::= !7
+/// ::= !MDLocation(...)
+bool LLParser::ParseMDNode(MDNode *&N) {
+ if (Lex.getKind() == lltok::MetadataVar)
+ return ParseSpecializedMDNode(N);
+
+ return ParseToken(lltok::exclaim, "expected '!' here") ||
+ ParseMDNodeTail(N);
+}
+
+bool LLParser::ParseMDNodeTail(MDNode *&N) {
+ // !{ ... }
+ if (Lex.getKind() == lltok::lbrace)
+ return ParseMDTuple(N);
+
+ // !42
+ return ParseMDNodeID(N);
+}
+
+namespace {
+
+/// Structure to represent an optional metadata field.
+template <class FieldTy> struct MDFieldImpl {
+ typedef MDFieldImpl ImplTy;
+ FieldTy Val;
+ bool Seen;
+
+ void assign(FieldTy Val) {
+ Seen = true;
+ this->Val = std::move(Val);
+ }
+
+ explicit MDFieldImpl(FieldTy Default)
+ : Val(std::move(Default)), Seen(false) {}
+};
+
+struct MDUnsignedField : public MDFieldImpl<uint64_t> {
+ uint64_t Max;
+
+ MDUnsignedField(uint64_t Default = 0, uint64_t Max = UINT64_MAX)
+ : ImplTy(Default), Max(Max) {}
+};
+struct LineField : public MDUnsignedField {
+ LineField() : MDUnsignedField(0, UINT32_MAX) {}
+};
+struct ColumnField : public MDUnsignedField {
+ ColumnField() : MDUnsignedField(0, UINT16_MAX) {}
+};
+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;
+
+ MDSignedField(int64_t Default = 0)
+ : ImplTy(Default), Min(INT64_MIN), Max(INT64_MAX) {}
+ MDSignedField(int64_t Default, int64_t Min, int64_t Max)
+ : ImplTy(Default), Min(Min), Max(Max) {}
+};
+
+struct MDBoolField : public MDFieldImpl<bool> {
+ MDBoolField(bool Default = false) : ImplTy(Default) {}
+};
+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()) {}
+};
+struct MDFieldList : public MDFieldImpl<SmallVector<Metadata *, 4>> {
+ MDFieldList() : ImplTy(SmallVector<Metadata *, 4>()) {}
+};
+
+} // end namespace
+
+namespace llvm {
+
+template <>
+bool LLParser::ParseMDField(LocTy Loc, StringRef Name,
+ MDUnsignedField &Result) {
+ if (Lex.getKind() != lltok::APSInt || Lex.getAPSIntVal().isSigned())
+ return TokError("expected unsigned integer");
+
+ auto &U = Lex.getAPSIntVal();
+ if (U.ugt(Result.Max))
+ return TokError("value for '" + Name + "' too large, limit is " +
+ Twine(Result.Max));
+ Result.assign(U.getZExtValue());
+ assert(Result.Val <= Result.Max && "Expected value in range");
+ Lex.Lex();
+ return false;
+}
+
+template <>
+bool LLParser::ParseMDField(LocTy Loc, StringRef Name, LineField &Result) {
+ return ParseMDField(Loc, Name, static_cast<MDUnsignedField &>(Result));
+}
+template <>
+bool LLParser::ParseMDField(LocTy Loc, StringRef Name, ColumnField &Result) {
+ return ParseMDField(Loc, Name, static_cast<MDUnsignedField &>(Result));
+}
+
+template <>
+bool LLParser::ParseMDField(LocTy Loc, StringRef Name, DwarfTagField &Result) {
+ if (Lex.getKind() == lltok::APSInt)
+ return ParseMDField(Loc, Name, static_cast<MDUnsignedField &>(Result));
+
+ if (Lex.getKind() != lltok::DwarfTag)
+ return TokError("expected DWARF tag");
+
+ unsigned Tag = dwarf::getTag(Lex.getStrVal());
+ if (Tag == dwarf::DW_TAG_invalid)
+ return TokError("invalid DWARF tag" + Twine(" '") + Lex.getStrVal() + "'");
+ assert(Tag <= Result.Max && "Expected valid DWARF tag");
+
+ Result.assign(Tag);
+ Lex.Lex();
+ 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 ParseMDField(Loc, Name, static_cast<MDUnsignedField &>(Result));
+
+ if (Lex.getKind() != lltok::DwarfLang)
+ return TokError("expected DWARF language");
+
+ unsigned Lang = dwarf::getLanguage(Lex.getStrVal());
+ if (!Lang)
+ return TokError("invalid DWARF language" + Twine(" '") + Lex.getStrVal() +
+ "'");
+ assert(Lang <= Result.Max && "Expected valid DWARF language");
+ Result.assign(Lang);
+ Lex.Lex();
+ return false;
+}
+
+template <>
+bool LLParser::ParseMDField(LocTy Loc, StringRef Name,
+ DwarfAttEncodingField &Result) {
+ if (Lex.getKind() == lltok::APSInt)
+ return ParseMDField(Loc, Name, static_cast<MDUnsignedField &>(Result));
+
+ if (Lex.getKind() != lltok::DwarfAttEncoding)
+ return TokError("expected DWARF type attribute encoding");
+
+ unsigned Encoding = dwarf::getAttributeEncoding(Lex.getStrVal());
+ if (!Encoding)
+ return TokError("invalid DWARF type attribute encoding" + Twine(" '") +
+ Lex.getStrVal() + "'");
+ assert(Encoding <= Result.Max && "Expected valid DWARF language");
+ Result.assign(Encoding);
+ Lex.Lex();
+ 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) {
+ if (Lex.getKind() != lltok::APSInt)
+ return TokError("expected signed integer");
+
+ auto &S = Lex.getAPSIntVal();
+ if (S < Result.Min)
+ return TokError("value for '" + Name + "' too small, limit is " +
+ Twine(Result.Min));
+ if (S > Result.Max)
+ return TokError("value for '" + Name + "' too large, limit is " +
+ Twine(Result.Max));
+ Result.assign(S.getExtValue());
+ assert(Result.Val >= Result.Min && "Expected value in range");
+ assert(Result.Val <= Result.Max && "Expected value in range");
+ Lex.Lex();
+ return false;
+}
+
+template <>
+bool LLParser::ParseMDField(LocTy Loc, StringRef Name, MDBoolField &Result) {
+ switch (Lex.getKind()) {
+ default:
+ return TokError("expected 'true' or 'false'");
+ case lltok::kw_true:
+ Result.assign(true);
+ break;
+ case lltok::kw_false:
+ Result.assign(false);
+ break;
+ }
+ Lex.Lex();
+ return false;
+}
+
+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;
+
+ Result.assign(MD);
+ 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;
+ if (ParseStringConstant(S))
+ return true;
+
+ Result.assign(std::move(S));
+ return false;
+}
+
+template <>
+bool LLParser::ParseMDField(LocTy Loc, StringRef Name, MDFieldList &Result) {
+ SmallVector<Metadata *, 4> MDs;
+ if (ParseMDNodeVector(MDs))
+ return true;
+
+ Result.assign(std::move(MDs));
+ return false;
+}
+
+} // end namespace llvm
+
+template <class ParserTy>
+bool LLParser::ParseMDFieldsImplBody(ParserTy parseField) {
+ do {
+ if (Lex.getKind() != lltok::LabelStr)
+ return TokError("expected field label here");
+
+ if (parseField())
+ return true;
+ } while (EatIfPresent(lltok::comma));
+
+ return false;
+}
+
+template <class ParserTy>
+bool LLParser::ParseMDFieldsImpl(ParserTy parseField, LocTy &ClosingLoc) {
+ assert(Lex.getKind() == lltok::MetadataVar && "Expected metadata type name");
+ Lex.Lex();
+
+ if (ParseToken(lltok::lparen, "expected '(' here"))
+ return true;
+ if (Lex.getKind() != lltok::rparen)
+ if (ParseMDFieldsImplBody(parseField))
+ return true;
+
+ ClosingLoc = Lex.getLoc();
+ return ParseToken(lltok::rparen, "expected ')' here");
+}
+
+template <class FieldTy>
+bool LLParser::ParseMDField(StringRef Name, FieldTy &Result) {
+ if (Result.Seen)
+ return TokError("field '" + Name + "' cannot be specified more than once");
+
+ LocTy Loc = Lex.getLoc();
+ Lex.Lex();
+ return ParseMDField(Loc, Name, Result);
+}
+
+bool LLParser::ParseSpecializedMDNode(MDNode *&N, bool IsDistinct) {
+ assert(Lex.getKind() == lltok::MetadataVar && "Expected metadata type name");
+
+#define HANDLE_SPECIALIZED_MDNODE_LEAF(CLASS) \
+ if (Lex.getStrVal() == #CLASS) \
+ return Parse##CLASS(N, IsDistinct);
+#include "llvm/IR/Metadata.def"
+
+ return TokError("expected metadata type");
+}
+
+#define DECLARE_FIELD(NAME, TYPE, INIT) TYPE NAME INIT
+#define NOP_FIELD(NAME, TYPE, INIT)
+#define REQUIRE_FIELD(NAME, TYPE, INIT) \
+ if (!NAME.Seen) \
+ return Error(ClosingLoc, "missing required field '" #NAME "'");
+#define PARSE_MD_FIELD(NAME, TYPE, DEFAULT) \
+ if (Lex.getStrVal() == #NAME) \
+ return ParseMDField(#NAME, NAME);
+#define PARSE_MD_FIELDS() \
+ VISIT_MD_FIELDS(DECLARE_FIELD, DECLARE_FIELD) \
+ do { \
+ LocTy ClosingLoc; \
+ if (ParseMDFieldsImpl([&]() -> bool { \
+ VISIT_MD_FIELDS(PARSE_MD_FIELD, PARSE_MD_FIELD) \
+ return TokError(Twine("invalid field '") + Lex.getStrVal() + "'"); \
+ }, ClosingLoc)) \
+ return true; \
+ VISIT_MD_FIELDS(NOP_FIELD, REQUIRE_FIELD) \
+ } while (false)
+#define GET_OR_DISTINCT(CLASS, ARGS) \
+ (IsDistinct ? CLASS::getDistinct ARGS : CLASS::get ARGS)
+
+/// ParseMDLocationFields:
+/// ::= !MDLocation(line: 43, column: 8, scope: !5, inlinedAt: !6)
+bool LLParser::ParseMDLocation(MDNode *&Result, bool IsDistinct) {
+#define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \
+ OPTIONAL(line, LineField, ); \
+ OPTIONAL(column, ColumnField, ); \
+ REQUIRED(scope, MDField, ); \
+ 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);
+ return false;
+}
+
+/// ParseGenericDebugNode:
+/// ::= !GenericDebugNode(tag: 15, header: "...", operands: {...})
+bool LLParser::ParseGenericDebugNode(MDNode *&Result, bool IsDistinct) {
+#define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \
+ REQUIRED(tag, DwarfTagField, ); \
+ OPTIONAL(header, MDStringField, ); \
+ OPTIONAL(operands, MDFieldList, );
+ PARSE_MD_FIELDS();
+#undef VISIT_MD_FIELDS
+
+ Result = GET_OR_DISTINCT(GenericDebugNode,
+ (Context, tag.Val, header.Val, operands.Val));
+ return false;
+}
+
+/// ParseMDSubrange:
+/// ::= !MDSubrange(count: 30, lowerBound: 2)
+bool LLParser::ParseMDSubrange(MDNode *&Result, bool IsDistinct) {
+#define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \
+ REQUIRED(count, MDSignedField, (-1, -1, INT64_MAX)); \
+ OPTIONAL(lowerBound, MDSignedField, );
+ PARSE_MD_FIELDS();
+#undef VISIT_MD_FIELDS
+
+ Result = GET_OR_DISTINCT(MDSubrange, (Context, count.Val, lowerBound.Val));
+ return false;
+}
+
+/// ParseMDEnumerator:
+/// ::= !MDEnumerator(value: 30, name: "SomeKind")
+bool LLParser::ParseMDEnumerator(MDNode *&Result, bool IsDistinct) {
+#define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \
+ REQUIRED(name, MDStringField, ); \
+ REQUIRED(value, MDSignedField, );
+ PARSE_MD_FIELDS();
+#undef VISIT_MD_FIELDS
+
+ Result = GET_OR_DISTINCT(MDEnumerator, (Context, value.Val, name.Val));
+ return false;
+}
+
+/// ParseMDBasicType:
+/// ::= !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) \
+ OPTIONAL(tag, DwarfTagField, (dwarf::DW_TAG_base_type)); \
+ OPTIONAL(name, MDStringField, ); \
+ OPTIONAL(size, MDUnsignedField, (0, UINT64_MAX)); \
+ OPTIONAL(align, MDUnsignedField, (0, UINT64_MAX)); \
+ OPTIONAL(encoding, DwarfAttEncodingField, );
+ PARSE_MD_FIELDS();
+#undef VISIT_MD_FIELDS
+
+ Result = GET_OR_DISTINCT(MDBasicType, (Context, tag.Val, name.Val, size.Val,
+ align.Val, encoding.Val));
+ return false;
+}
+
+/// ParseMDDerivedType:
+/// ::= !MDDerivedType(tag: DW_TAG_pointer_type, name: "int", file: !0,
+/// line: 7, scope: !1, baseType: !2, size: 32,
+/// align: 32, offset: 0, flags: 0, extraData: !3)
+bool LLParser::ParseMDDerivedType(MDNode *&Result, bool IsDistinct) {
+#define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \
+ REQUIRED(tag, DwarfTagField, ); \
+ OPTIONAL(name, MDStringField, ); \
+ OPTIONAL(file, MDField, ); \
+ OPTIONAL(line, LineField, ); \
+ OPTIONAL(scope, MDField, ); \
+ REQUIRED(baseType, MDField, ); \
+ 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
+
+ Result = GET_OR_DISTINCT(MDDerivedType,
+ (Context, tag.Val, name.Val, file.Val, line.Val,
+ scope.Val, baseType.Val, size.Val, align.Val,
+ offset.Val, flags.Val, extraData.Val));
+ return false;
+}
- if (Opc == Instruction::GetElementPtr) {
- if (Elts.size() == 0 ||
- !Elts[0]->getType()->getScalarType()->isPointerTy())
- return Error(ID.Loc, "getelementptr requires pointer operand");
+bool LLParser::ParseMDCompositeType(MDNode *&Result, bool IsDistinct) {
+#define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \
+ REQUIRED(tag, DwarfTagField, ); \
+ OPTIONAL(name, MDStringField, ); \
+ OPTIONAL(file, MDField, ); \
+ OPTIONAL(line, LineField, ); \
+ OPTIONAL(scope, MDField, ); \
+ OPTIONAL(baseType, MDField, ); \
+ 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, ); \
+ OPTIONAL(templateParams, MDField, ); \
+ OPTIONAL(identifier, MDStringField, );
+ PARSE_MD_FIELDS();
+#undef VISIT_MD_FIELDS
+
+ Result = GET_OR_DISTINCT(
+ MDCompositeType,
+ (Context, tag.Val, name.Val, file.Val, line.Val, scope.Val, baseType.Val,
+ size.Val, align.Val, offset.Val, flags.Val, elements.Val,
+ runtimeLang.Val, vtableHolder.Val, templateParams.Val, identifier.Val));
+ return false;
+}
- ArrayRef<Constant *> Indices(Elts.begin() + 1, Elts.end());
- if (!GetElementPtrInst::getIndexedType(Elts[0]->getType(), Indices))
- return Error(ID.Loc, "invalid indices for getelementptr");
- ID.ConstantVal = ConstantExpr::getGetElementPtr(Elts[0], Indices,
- InBounds);
- } else if (Opc == Instruction::Select) {
- if (Elts.size() != 3)
- return Error(ID.Loc, "expected three operands to select");
- if (const char *Reason = SelectInst::areInvalidOperands(Elts[0], Elts[1],
- Elts[2]))
- return Error(ID.Loc, Reason);
- ID.ConstantVal = ConstantExpr::getSelect(Elts[0], Elts[1], Elts[2]);
- } else if (Opc == Instruction::ShuffleVector) {
- if (Elts.size() != 3)
- return Error(ID.Loc, "expected three operands to shufflevector");
- if (!ShuffleVectorInst::isValidOperands(Elts[0], Elts[1], Elts[2]))
- return Error(ID.Loc, "invalid operands to shufflevector");
- ID.ConstantVal =
- ConstantExpr::getShuffleVector(Elts[0], Elts[1],Elts[2]);
- } else if (Opc == Instruction::ExtractElement) {
- if (Elts.size() != 2)
- return Error(ID.Loc, "expected two operands to extractelement");
- if (!ExtractElementInst::isValidOperands(Elts[0], Elts[1]))
- return Error(ID.Loc, "invalid extractelement operands");
- ID.ConstantVal = ConstantExpr::getExtractElement(Elts[0], Elts[1]);
- } else {
- assert(Opc == Instruction::InsertElement && "Unknown opcode");
- if (Elts.size() != 3)
- return Error(ID.Loc, "expected three operands to insertelement");
- if (!InsertElementInst::isValidOperands(Elts[0], Elts[1], Elts[2]))
- return Error(ID.Loc, "invalid insertelement operands");
- ID.ConstantVal =
- ConstantExpr::getInsertElement(Elts[0], Elts[1],Elts[2]);
- }
+bool LLParser::ParseMDSubroutineType(MDNode *&Result, bool IsDistinct) {
+#define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \
+ OPTIONAL(flags, DIFlagField, ); \
+ REQUIRED(types, MDField, );
+ PARSE_MD_FIELDS();
+#undef VISIT_MD_FIELDS
- ID.Kind = ValID::t_Constant;
- return false;
- }
- }
+ Result = GET_OR_DISTINCT(MDSubroutineType, (Context, flags.Val, types.Val));
+ return false;
+}
- Lex.Lex();
+/// ParseMDFileType:
+/// ::= !MDFileType(filename: "path/to/file", directory: "/path/to/dir")
+bool LLParser::ParseMDFile(MDNode *&Result, bool IsDistinct) {
+#define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \
+ REQUIRED(filename, MDStringField, ); \
+ REQUIRED(directory, MDStringField, );
+ PARSE_MD_FIELDS();
+#undef VISIT_MD_FIELDS
+
+ Result = GET_OR_DISTINCT(MDFile, (Context, filename.Val, directory.Val));
return false;
}
-/// ParseGlobalValue - Parse a global value with the specified type.
-bool LLParser::ParseGlobalValue(Type *Ty, Constant *&C) {
- C = 0;
- ValID ID;
- Value *V = NULL;
- bool Parsed = ParseValID(ID) ||
- ConvertValIDToValue(Ty, ID, V, NULL);
- if (V && !(C = dyn_cast<Constant>(V)))
- return Error(ID.Loc, "global values must be constants");
- return Parsed;
+/// 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) {
+#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;
}
-bool LLParser::ParseGlobalTypeAndValue(Constant *&V) {
- Type *Ty = 0;
- return ParseType(Ty) ||
- ParseGlobalValue(Ty, V);
+/// 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) {
+#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;
}
-/// ParseGlobalValueVector
-/// ::= /*empty*/
-/// ::= TypeAndValue (',' TypeAndValue)*
-bool LLParser::ParseGlobalValueVector(SmallVectorImpl<Constant*> &Elts) {
- // Empty list.
- if (Lex.getKind() == lltok::rbrace ||
- Lex.getKind() == lltok::rsquare ||
- Lex.getKind() == lltok::greater ||
- Lex.getKind() == lltok::rparen)
- return false;
+/// ParseMDLexicalBlock:
+/// ::= !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, ); \
+ 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;
+}
- Constant *C;
- if (ParseGlobalTypeAndValue(C)) return true;
- Elts.push_back(C);
+/// ParseMDLexicalBlockFile:
+/// ::= !MDLexicalBlockFile(scope: !0, file: !2, discriminator: 9)
+bool LLParser::ParseMDLexicalBlockFile(MDNode *&Result, bool IsDistinct) {
+#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;
+}
- while (EatIfPresent(lltok::comma)) {
- if (ParseGlobalTypeAndValue(C)) return true;
- Elts.push_back(C);
- }
+/// ParseMDNamespace:
+/// ::= !MDNamespace(scope: !0, file: !2, name: "SomeNamespace", line: 9)
+bool LLParser::ParseMDNamespace(MDNode *&Result, bool IsDistinct) {
+#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) {
+#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;
}
-bool LLParser::ParseMetadataListValue(ValID &ID, PerFunctionState *PFS) {
- assert(Lex.getKind() == lltok::lbrace);
+/// ParseMDTemplateValueParameter:
+/// ::= !MDTemplateValueParameter(tag: DW_TAG_template_value_parameter,
+/// name: "V", type: !1, value: i32 7)
+bool LLParser::ParseMDTemplateValueParameter(MDNode *&Result, bool IsDistinct) {
+#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) {
+#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) {
+#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) {
+ assert(Lex.getKind() == lltok::MetadataVar && "Expected metadata type name");
Lex.Lex();
- SmallVector<Value*, 16> Elts;
- if (ParseMDNodeVector(Elts, PFS) ||
- ParseToken(lltok::rbrace, "expected end of metadata node"))
+ 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) {
+#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) {
+#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
+#undef DECLARE_FIELD
+
+/// ParseMetadataAsValue
+/// ::= metadata i32 %local
+/// ::= metadata i32 @global
+/// ::= metadata i32 7
+/// ::= metadata !0
+/// ::= metadata !{...}
+/// ::= metadata !"string"
+bool LLParser::ParseMetadataAsValue(Value *&V, PerFunctionState &PFS) {
+ // Note: the type 'metadata' has already been parsed.
+ Metadata *MD;
+ if (ParseMetadata(MD, &PFS))
+ return true;
+
+ V = MetadataAsValue::get(Context, MD);
+ return false;
+}
+
+/// ParseValueAsMetadata
+/// ::= i32 %local
+/// ::= i32 @global
+/// ::= i32 7
+bool LLParser::ParseValueAsMetadata(Metadata *&MD, const Twine &TypeMsg,
+ PerFunctionState *PFS) {
+ Type *Ty;
+ LocTy Loc;
+ if (ParseType(Ty, TypeMsg, Loc))
+ return true;
+ if (Ty->isMetadataTy())
+ return Error(Loc, "invalid metadata-value-metadata roundtrip");
+
+ Value *V;
+ if (ParseValue(Ty, V, PFS))
return true;
- ID.MDNodeVal = MDNode::get(Context, Elts);
- ID.Kind = ValID::t_MDNode;
+ MD = ValueAsMetadata::get(V);
return false;
}
-/// ParseMetadataValue
+/// ParseMetadata
+/// ::= i32 %local
+/// ::= i32 @global
+/// ::= i32 7
/// ::= !42
/// ::= !{...}
/// ::= !"string"
-bool LLParser::ParseMetadataValue(ValID &ID, PerFunctionState *PFS) {
- assert(Lex.getKind() == lltok::exclaim);
- Lex.Lex();
-
- // MDNode:
- // !{ ... }
- if (Lex.getKind() == lltok::lbrace)
- return ParseMetadataListValue(ID, PFS);
-
- // Standalone metadata reference
- // !42
- if (Lex.getKind() == lltok::APSInt) {
- if (ParseMDNodeID(ID.MDNodeVal)) return true;
- ID.Kind = ValID::t_MDNode;
+/// ::= !MDLocation(...)
+bool LLParser::ParseMetadata(Metadata *&MD, PerFunctionState *PFS) {
+ if (Lex.getKind() == lltok::MetadataVar) {
+ MDNode *N;
+ if (ParseSpecializedMDNode(N))
+ return true;
+ MD = N;
return false;
}
+ // ValueAsMetadata:
+ // <type> <value>
+ if (Lex.getKind() != lltok::exclaim)
+ return ParseValueAsMetadata(MD, "expected metadata operand", PFS);
+
+ // '!'.
+ assert(Lex.getKind() == lltok::exclaim && "Expected '!' here");
+ Lex.Lex();
+
// MDString:
// ::= '!' STRINGCONSTANT
- if (ParseMDString(ID.MDStringVal)) return true;
- ID.Kind = ValID::t_MDString;
+ if (Lex.getKind() == lltok::StringConstant) {
+ MDString *S;
+ if (ParseMDString(S))
+ return true;
+ MD = S;
+ return false;
+ }
+
+ // MDNode:
+ // !{ ... }
+ // !7
+ MDNode *N;
+ if (ParseMDNodeTail(N))
+ return true;
+ MD = N;
return false;
}
case ValID::t_LocalID:
if (!PFS) return Error(ID.Loc, "invalid use of function-local name");
V = PFS->GetVal(ID.UIntVal, Ty, ID.Loc);
- return (V == 0);
+ 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);
- return (V == 0);
+ return V == nullptr;
case ValID::t_InlineAsm: {
PointerType *PTy = dyn_cast<PointerType>(Ty);
FunctionType *FTy =
- PTy ? dyn_cast<FunctionType>(PTy->getElementType()) : 0;
+ PTy ? dyn_cast<FunctionType>(PTy->getElementType()) : nullptr;
if (!FTy || !InlineAsm::Verify(FTy, ID.StrVal2))
return Error(ID.Loc, "invalid type for inline asm constraint string");
V = InlineAsm::get(FTy, ID.StrVal, ID.StrVal2, ID.UIntVal&1,
(ID.UIntVal>>1)&1, (InlineAsm::AsmDialect(ID.UIntVal>>2)));
return false;
}
- case ValID::t_MDNode:
- if (!Ty->isMetadataTy())
- return Error(ID.Loc, "metadata value must have metadata type");
- V = ID.MDNodeVal;
- return false;
- case ValID::t_MDString:
- if (!Ty->isMetadataTy())
- return Error(ID.Loc, "metadata value must have metadata type");
- V = ID.MDStringVal;
- return false;
case ValID::t_GlobalName:
V = GetGlobalVal(ID.StrVal, Ty, ID.Loc);
- return V == 0;
+ return V == nullptr;
case ValID::t_GlobalID:
V = GetGlobalVal(ID.UIntVal, Ty, ID.Loc);
- return V == 0;
+ return V == nullptr;
case ValID::t_APSInt:
if (!Ty->isIntegerTy())
return Error(ID.Loc, "integer constant must have integer type");
}
bool LLParser::ParseValue(Type *Ty, Value *&V, PerFunctionState *PFS) {
- V = 0;
+ V = nullptr;
ValID ID;
return ParseValID(ID, PFS) ||
ConvertValIDToValue(Ty, ID, V, PFS);
}
bool LLParser::ParseTypeAndValue(Value *&V, PerFunctionState *PFS) {
- Type *Ty = 0;
+ Type *Ty = nullptr;
return ParseType(Ty) ||
ParseValue(Ty, V, PFS);
}
/// FunctionHeader
/// ::= OptionalLinkage OptionalVisibility OptionalCallingConv OptRetAttrs
/// OptUnnamedAddr Type GlobalName '(' ArgList ')' OptFuncAttrs OptSection
-/// OptionalAlign OptGC
+/// OptionalAlign OptGC OptionalPrefix OptionalPrologue
bool LLParser::ParseFunctionHeader(Function *&Fn, bool isDefine) {
// Parse the linkage.
LocTy LinkageLoc = Lex.getLoc();
unsigned Linkage;
unsigned Visibility;
+ unsigned DLLStorageClass;
AttrBuilder RetAttrs;
- CallingConv::ID CC;
- Type *RetType = 0;
+ unsigned CC;
+ Type *RetType = nullptr;
LocTy RetTypeLoc = Lex.getLoc();
if (ParseOptionalLinkage(Linkage) ||
ParseOptionalVisibility(Visibility) ||
+ ParseOptionalDLLStorageClass(DLLStorageClass) ||
ParseOptionalCallingConv(CC) ||
- ParseOptionalAttrs(RetAttrs, 1) ||
+ ParseOptionalReturnAttrs(RetAttrs) ||
ParseType(RetType, RetTypeLoc, true /*void allowed*/))
return true;
switch ((GlobalValue::LinkageTypes)Linkage) {
case GlobalValue::ExternalLinkage:
break; // always ok.
- case GlobalValue::DLLImportLinkage:
case GlobalValue::ExternalWeakLinkage:
if (isDefine)
return Error(LinkageLoc, "invalid linkage for function definition");
break;
case GlobalValue::PrivateLinkage:
- case GlobalValue::LinkerPrivateLinkage:
- case GlobalValue::LinkerPrivateWeakLinkage:
case GlobalValue::InternalLinkage:
case GlobalValue::AvailableExternallyLinkage:
case GlobalValue::LinkOnceAnyLinkage:
case GlobalValue::LinkOnceODRLinkage:
- case GlobalValue::LinkOnceODRAutoHideLinkage:
case GlobalValue::WeakAnyLinkage:
case GlobalValue::WeakODRLinkage:
- case GlobalValue::DLLExportLinkage:
if (!isDefine)
return Error(LinkageLoc, "invalid linkage for function declaration");
break;
return Error(LinkageLoc, "invalid function linkage type");
}
+ if (!isValidVisibilityForLinkage(Visibility, Linkage))
+ return Error(LinkageLoc,
+ "symbol with local linkage must have default visibility");
+
if (!FunctionType::isValidReturnType(RetType))
return Error(RetTypeLoc, "invalid function return type");
SmallVector<ArgInfo, 8> ArgList;
bool isVarArg;
AttrBuilder FuncAttrs;
+ std::vector<unsigned> FwdRefAttrGrps;
+ LocTy BuiltinLoc;
std::string Section;
unsigned Alignment;
std::string GC;
bool UnnamedAddr;
LocTy UnnamedAddrLoc;
+ Constant *Prefix = nullptr;
+ Constant *Prologue = nullptr;
+ Comdat *C;
if (ParseArgumentList(ArgList, isVarArg) ||
ParseOptionalToken(lltok::kw_unnamed_addr, UnnamedAddr,
&UnnamedAddrLoc) ||
- ParseOptionalAttrs(FuncAttrs, 2) ||
+ ParseFnAttributeValuePairs(FuncAttrs, FwdRefAttrGrps, false,
+ BuiltinLoc) ||
(EatIfPresent(lltok::kw_section) &&
ParseStringConstant(Section)) ||
+ parseOptionalComdat(FunctionName, C) ||
ParseOptionalAlignment(Alignment) ||
(EatIfPresent(lltok::kw_gc) &&
- ParseStringConstant(GC)))
+ ParseStringConstant(GC)) ||
+ (EatIfPresent(lltok::kw_prefix) &&
+ ParseGlobalTypeAndValue(Prefix)) ||
+ (EatIfPresent(lltok::kw_prologue) &&
+ ParseGlobalTypeAndValue(Prologue)))
return true;
+ if (FuncAttrs.contains(Attribute::Builtin))
+ return Error(BuiltinLoc, "'builtin' attribute not valid on function");
+
// If the alignment was parsed as an attribute, move to the alignment field.
if (FuncAttrs.hasAlignmentAttr()) {
Alignment = FuncAttrs.getAlignment();
- FuncAttrs.removeAttribute(Attributes::Alignment);
+ FuncAttrs.removeAttribute(Attribute::Alignment);
}
// Okay, if we got here, the function is syntactically valid. Convert types
// and do semantic checks.
std::vector<Type*> ParamTypeList;
- SmallVector<AttributeWithIndex, 8> Attrs;
+ SmallVector<AttributeSet, 8> Attrs;
if (RetAttrs.hasAttributes())
- Attrs.push_back(
- AttributeWithIndex::get(AttrListPtr::ReturnIndex,
- Attributes::get(RetType->getContext(),
- RetAttrs)));
+ Attrs.push_back(AttributeSet::get(RetType->getContext(),
+ AttributeSet::ReturnIndex,
+ RetAttrs));
for (unsigned i = 0, e = ArgList.size(); i != e; ++i) {
ParamTypeList.push_back(ArgList[i].Ty);
- if (ArgList[i].Attrs.hasAttributes())
- Attrs.push_back(AttributeWithIndex::get(i+1, ArgList[i].Attrs));
+ if (ArgList[i].Attrs.hasAttributes(i + 1)) {
+ AttrBuilder B(ArgList[i].Attrs, i + 1);
+ Attrs.push_back(AttributeSet::get(RetType->getContext(), i + 1, B));
+ }
}
if (FuncAttrs.hasAttributes())
- Attrs.push_back(
- AttributeWithIndex::get(AttrListPtr::FunctionIndex,
- Attributes::get(RetType->getContext(),
- FuncAttrs)));
+ Attrs.push_back(AttributeSet::get(RetType->getContext(),
+ AttributeSet::FunctionIndex,
+ FuncAttrs));
- AttrListPtr PAL = AttrListPtr::get(Context, Attrs);
+ AttributeSet PAL = AttributeSet::get(Context, Attrs);
- if (PAL.getParamAttributes(1).hasAttribute(Attributes::StructRet) &&
- !RetType->isVoidTy())
+ if (PAL.hasAttribute(1, Attribute::StructRet) && !RetType->isVoidTy())
return Error(RetTypeLoc, "functions with 'sret' argument must return void");
FunctionType *FT =
FunctionType::get(RetType, ParamTypeList, isVarArg);
PointerType *PFT = PointerType::getUnqual(FT);
- Fn = 0;
+ Fn = nullptr;
if (!FunctionName.empty()) {
// If this was a definition of a forward reference, remove the definition
// from the forward reference table and fill in the forward ref.
}
}
- if (Fn == 0)
+ if (!Fn)
Fn = Function::Create(FT, GlobalValue::ExternalLinkage, FunctionName, M);
else // Move the forward-reference to the correct spot in the module.
M->getFunctionList().splice(M->end(), M->getFunctionList(), Fn);
Fn->setLinkage((GlobalValue::LinkageTypes)Linkage);
Fn->setVisibility((GlobalValue::VisibilityTypes)Visibility);
+ Fn->setDLLStorageClass((GlobalValue::DLLStorageClassTypes)DLLStorageClass);
Fn->setCallingConv(CC);
Fn->setAttributes(PAL);
Fn->setUnnamedAddr(UnnamedAddr);
Fn->setAlignment(Alignment);
Fn->setSection(Section);
+ Fn->setComdat(C);
if (!GC.empty()) Fn->setGC(GC.c_str());
+ Fn->setPrefixData(Prefix);
+ Fn->setPrologueData(Prologue);
+ ForwardRefAttrGroups[Fn] = FwdRefAttrGrps;
// Add all of the arguments we parsed to the function.
Function::arg_iterator ArgIt = Fn->arg_begin();
ArgList[i].Name + "'");
}
+ if (isDefine)
+ return false;
+
+ // Check the declaration has no block address forward references.
+ ValID ID;
+ if (FunctionName.empty()) {
+ ID.Kind = ValID::t_GlobalID;
+ ID.UIntVal = NumberedVals.size() - 1;
+ } else {
+ ID.Kind = ValID::t_GlobalName;
+ ID.StrVal = FunctionName;
+ }
+ auto Blocks = ForwardRefBlockAddresses.find(ID);
+ if (Blocks != ForwardRefBlockAddresses.end())
+ return Error(Blocks->first.Loc,
+ "cannot take blockaddress inside a declaration");
return false;
}
+bool LLParser::PerFunctionState::resolveForwardRefBlockAddresses() {
+ ValID ID;
+ if (FunctionNumber == -1) {
+ ID.Kind = ValID::t_GlobalName;
+ ID.StrVal = F.getName();
+ } else {
+ ID.Kind = ValID::t_GlobalID;
+ ID.UIntVal = FunctionNumber;
+ }
+
+ auto Blocks = P.ForwardRefBlockAddresses.find(ID);
+ if (Blocks == P.ForwardRefBlockAddresses.end())
+ return false;
+
+ for (const auto &I : Blocks->second) {
+ const ValID &BBID = I.first;
+ GlobalValue *GV = I.second;
+
+ assert((BBID.Kind == ValID::t_LocalID || BBID.Kind == ValID::t_LocalName) &&
+ "Expected local id or name");
+ BasicBlock *BB;
+ if (BBID.Kind == ValID::t_LocalName)
+ BB = GetBB(BBID.StrVal, BBID.Loc);
+ else
+ BB = GetBB(BBID.UIntVal, BBID.Loc);
+ if (!BB)
+ return P.Error(BBID.Loc, "referenced value is not a basic block");
+
+ GV->replaceAllUsesWith(BlockAddress::get(&F, BB));
+ GV->eraseFromParent();
+ }
+
+ P.ForwardRefBlockAddresses.erase(Blocks);
+ return false;
+}
/// ParseFunctionBody
-/// ::= '{' BasicBlock+ '}'
-///
+/// ::= '{' BasicBlock+ UseListOrderDirective* '}'
bool LLParser::ParseFunctionBody(Function &Fn) {
if (Lex.getKind() != lltok::lbrace)
return TokError("expected '{' in function body");
PerFunctionState PFS(*this, Fn, FunctionNumber);
+ // Resolve block addresses and allow basic blocks to be forward-declared
+ // within this function.
+ if (PFS.resolveForwardRefBlockAddresses())
+ return true;
+ SaveAndRestore<PerFunctionState *> ScopeExit(BlockAddressPFS, &PFS);
+
// We need at least one basic block.
- if (Lex.getKind() == lltok::rbrace)
+ if (Lex.getKind() == lltok::rbrace || Lex.getKind() == lltok::kw_uselistorder)
return TokError("function body requires at least one basic block");
- while (Lex.getKind() != lltok::rbrace)
+ while (Lex.getKind() != lltok::rbrace &&
+ Lex.getKind() != lltok::kw_uselistorder)
if (ParseBasicBlock(PFS)) return true;
+ while (Lex.getKind() != lltok::rbrace)
+ if (ParseUseListOrder(&PFS))
+ return true;
+
// Eat the }.
Lex.Lex();
}
BasicBlock *BB = PFS.DefineBB(Name, NameLoc);
- if (BB == 0) return true;
+ if (!BB)
+ return Error(NameLoc,
+ "unable to create block named '" + Name + "'");
std::string NameStr;
// Parse the instructions in this block until we get a terminator.
Instruction *Inst;
- SmallVector<std::pair<unsigned, MDNode *>, 4> MetadataOnInst;
do {
// This instruction may have three possibilities for a name: a) none
// specified, b) name specified "%foo =", c) number specified: "%4 =".
case lltok::kw_fptrunc:
case lltok::kw_fpext:
case lltok::kw_bitcast:
+ case lltok::kw_addrspacecast:
case lltok::kw_uitofp:
case lltok::kw_sitofp:
case lltok::kw_fptoui:
case lltok::kw_shufflevector: return ParseShuffleVector(Inst, PFS);
case lltok::kw_phi: return ParsePHI(Inst, PFS);
case lltok::kw_landingpad: return ParseLandingPad(Inst, PFS);
- case lltok::kw_call: return ParseCall(Inst, PFS, false);
- case lltok::kw_tail: return ParseCall(Inst, PFS, true);
+ // Call.
+ case lltok::kw_call: return ParseCall(Inst, PFS, CallInst::TCK_None);
+ case lltok::kw_tail: return ParseCall(Inst, PFS, CallInst::TCK_Tail);
+ case lltok::kw_musttail: return ParseCall(Inst, PFS, CallInst::TCK_MustTail);
// Memory.
case lltok::kw_alloca: return ParseAlloc(Inst, PFS);
case lltok::kw_load: return ParseLoad(Inst, PFS);
bool LLParser::ParseCmpPredicate(unsigned &P, unsigned Opc) {
if (Opc == Instruction::FCmp) {
switch (Lex.getKind()) {
- default: TokError("expected fcmp predicate (e.g. 'oeq')");
+ default: return TokError("expected fcmp predicate (e.g. 'oeq')");
case lltok::kw_oeq: P = CmpInst::FCMP_OEQ; break;
case lltok::kw_one: P = CmpInst::FCMP_ONE; break;
case lltok::kw_olt: P = CmpInst::FCMP_OLT; break;
}
} else {
switch (Lex.getKind()) {
- default: TokError("expected icmp predicate (e.g. 'eq')");
+ default: return TokError("expected icmp predicate (e.g. 'eq')");
case lltok::kw_eq: P = CmpInst::ICMP_EQ; break;
case lltok::kw_ne: P = CmpInst::ICMP_NE; break;
case lltok::kw_slt: P = CmpInst::ICMP_SLT; break;
bool LLParser::ParseRet(Instruction *&Inst, BasicBlock *BB,
PerFunctionState &PFS) {
SMLoc TypeLoc = Lex.getLoc();
- Type *Ty = 0;
+ Type *Ty = nullptr;
if (ParseType(Ty, true /*void allowed*/)) return true;
Type *ResType = PFS.getFunction().getReturnType();
ParseTypeAndBasicBlock(DestBB, PFS))
return true;
- if (!SeenCases.insert(Constant))
+ if (!SeenCases.insert(Constant).second)
return Error(CondLoc, "duplicate case value in switch");
if (!isa<ConstantInt>(Constant))
return Error(CondLoc, "case value is not a constant integer");
bool LLParser::ParseInvoke(Instruction *&Inst, PerFunctionState &PFS) {
LocTy CallLoc = Lex.getLoc();
AttrBuilder RetAttrs, FnAttrs;
- CallingConv::ID CC;
- Type *RetType = 0;
+ std::vector<unsigned> FwdRefAttrGrps;
+ LocTy NoBuiltinLoc;
+ unsigned CC;
+ Type *RetType = nullptr;
LocTy RetTypeLoc;
ValID CalleeID;
SmallVector<ParamInfo, 16> ArgList;
BasicBlock *NormalBB, *UnwindBB;
if (ParseOptionalCallingConv(CC) ||
- ParseOptionalAttrs(RetAttrs, 1) ||
+ ParseOptionalReturnAttrs(RetAttrs) ||
ParseType(RetType, RetTypeLoc, true /*void allowed*/) ||
ParseValID(CalleeID) ||
ParseParameterList(ArgList, PFS) ||
- ParseOptionalAttrs(FnAttrs, 2) ||
+ ParseFnAttributeValuePairs(FnAttrs, FwdRefAttrGrps, false,
+ NoBuiltinLoc) ||
ParseToken(lltok::kw_to, "expected 'to' in invoke") ||
ParseTypeAndBasicBlock(NormalBB, PFS) ||
ParseToken(lltok::kw_unwind, "expected 'unwind' in invoke") ||
// 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 = 0;
- FunctionType *Ty = 0;
+ PointerType *PFTy = nullptr;
+ FunctionType *Ty = nullptr;
if (!(PFTy = dyn_cast<PointerType>(RetType)) ||
!(Ty = dyn_cast<FunctionType>(PFTy->getElementType()))) {
// Pull out the types of all of the arguments...
Value *Callee;
if (ConvertValIDToValue(PFTy, CalleeID, Callee, &PFS)) return true;
- // Set up the Attributes for the function.
- SmallVector<AttributeWithIndex, 8> Attrs;
+ // Set up the Attribute for the function.
+ SmallVector<AttributeSet, 8> Attrs;
if (RetAttrs.hasAttributes())
- Attrs.push_back(
- AttributeWithIndex::get(AttrListPtr::ReturnIndex,
- Attributes::get(Callee->getContext(),
- RetAttrs)));
+ Attrs.push_back(AttributeSet::get(RetType->getContext(),
+ AttributeSet::ReturnIndex,
+ RetAttrs));
SmallVector<Value*, 8> Args;
FunctionType::param_iterator I = Ty->param_begin();
FunctionType::param_iterator E = Ty->param_end();
for (unsigned i = 0, e = ArgList.size(); i != e; ++i) {
- Type *ExpectedTy = 0;
+ Type *ExpectedTy = nullptr;
if (I != E) {
ExpectedTy = *I++;
} else if (!Ty->isVarArg()) {
return Error(ArgList[i].Loc, "argument is not of expected type '" +
getTypeString(ExpectedTy) + "'");
Args.push_back(ArgList[i].V);
- if (ArgList[i].Attrs.hasAttributes())
- Attrs.push_back(AttributeWithIndex::get(i+1, ArgList[i].Attrs));
+ if (ArgList[i].Attrs.hasAttributes(i + 1)) {
+ AttrBuilder B(ArgList[i].Attrs, i + 1);
+ Attrs.push_back(AttributeSet::get(RetType->getContext(), i + 1, B));
+ }
}
if (I != E)
return Error(CallLoc, "not enough parameters specified for call");
- if (FnAttrs.hasAttributes())
- Attrs.push_back(
- AttributeWithIndex::get(AttrListPtr::FunctionIndex,
- Attributes::get(Callee->getContext(),
- FnAttrs)));
+ 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 Attributes and check them
- AttrListPtr PAL = AttrListPtr::get(Context, Attrs);
+ // Finish off the Attribute and check them
+ AttributeSet PAL = AttributeSet::get(Context, Attrs);
InvokeInst *II = InvokeInst::Create(Callee, NormalBB, UnwindBB, Args);
II->setCallingConv(CC);
II->setAttributes(PAL);
+ ForwardRefAttrGroups[II] = FwdRefAttrGrps;
Inst = II;
return false;
}
unsigned Opc) {
LocTy Loc;
Value *Op;
- Type *DestTy = 0;
+ Type *DestTy = nullptr;
if (ParseTypeAndValue(Op, Loc, PFS) ||
ParseToken(lltok::kw_to, "expected 'to' after cast value") ||
ParseType(DestTy))
/// ::= 'va_arg' TypeAndValue ',' Type
bool LLParser::ParseVA_Arg(Instruction *&Inst, PerFunctionState &PFS) {
Value *Op;
- Type *EltTy = 0;
+ Type *EltTy = nullptr;
LocTy TypeLoc;
if (ParseTypeAndValue(Op, PFS) ||
ParseToken(lltok::comma, "expected ',' after vaarg operand") ||
/// ParsePHI
/// ::= 'phi' Type '[' Value ',' Value ']' (',' '[' Value ',' Value ']')*
int LLParser::ParsePHI(Instruction *&Inst, PerFunctionState &PFS) {
- Type *Ty = 0; LocTy TypeLoc;
+ Type *Ty = nullptr; LocTy TypeLoc;
Value *Op0, *Op1;
if (ParseType(Ty, TypeLoc) ||
/// ::= 'filter'
/// ::= 'filter' TypeAndValue ( ',' TypeAndValue )*
bool LLParser::ParseLandingPad(Instruction *&Inst, PerFunctionState &PFS) {
- Type *Ty = 0; LocTy TyLoc;
+ Type *Ty = nullptr; LocTy TyLoc;
Value *PersFn; LocTy PersFnLoc;
if (ParseType(Ty, TyLoc) ||
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){
else
return TokError("expected 'catch' or 'filter' clause type");
- Value *V; LocTy VLoc;
- if (ParseTypeAndValue(V, VLoc, PFS)) {
- delete LP;
+ Value *V;
+ LocTy VLoc;
+ 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(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;
}
/// ParseCall
-/// ::= 'tail'? 'call' OptionalCallingConv OptionalAttrs Type Value
+/// ::= 'call' OptionalCallingConv OptionalAttrs Type Value
+/// ParameterList OptionalAttrs
+/// ::= 'tail' 'call' OptionalCallingConv OptionalAttrs Type Value
+/// ParameterList OptionalAttrs
+/// ::= 'musttail' 'call' OptionalCallingConv OptionalAttrs Type Value
/// ParameterList OptionalAttrs
bool LLParser::ParseCall(Instruction *&Inst, PerFunctionState &PFS,
- bool isTail) {
+ CallInst::TailCallKind TCK) {
AttrBuilder RetAttrs, FnAttrs;
- CallingConv::ID CC;
- Type *RetType = 0;
+ std::vector<unsigned> FwdRefAttrGrps;
+ LocTy BuiltinLoc;
+ unsigned CC;
+ Type *RetType = nullptr;
LocTy RetTypeLoc;
ValID CalleeID;
SmallVector<ParamInfo, 16> ArgList;
LocTy CallLoc = Lex.getLoc();
- if ((isTail && ParseToken(lltok::kw_call, "expected 'tail call'")) ||
+ if ((TCK != CallInst::TCK_None &&
+ ParseToken(lltok::kw_call, "expected 'tail call'")) ||
ParseOptionalCallingConv(CC) ||
- ParseOptionalAttrs(RetAttrs, 1) ||
+ ParseOptionalReturnAttrs(RetAttrs) ||
ParseType(RetType, RetTypeLoc, true /*void allowed*/) ||
ParseValID(CalleeID) ||
- ParseParameterList(ArgList, PFS) ||
- ParseOptionalAttrs(FnAttrs, 2))
+ ParseParameterList(ArgList, PFS, TCK == CallInst::TCK_MustTail,
+ PFS.getFunction().isVarArg()) ||
+ ParseFnAttributeValuePairs(FnAttrs, FwdRefAttrGrps, false,
+ BuiltinLoc))
return true;
// 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 = 0;
- FunctionType *Ty = 0;
+ PointerType *PFTy = nullptr;
+ FunctionType *Ty = nullptr;
if (!(PFTy = dyn_cast<PointerType>(RetType)) ||
!(Ty = dyn_cast<FunctionType>(PFTy->getElementType()))) {
// Pull out the types of all of the arguments...
Value *Callee;
if (ConvertValIDToValue(PFTy, CalleeID, Callee, &PFS)) return true;
- // Set up the Attributes for the function.
- SmallVector<AttributeWithIndex, 8> Attrs;
+ // Set up the Attribute for the function.
+ SmallVector<AttributeSet, 8> Attrs;
if (RetAttrs.hasAttributes())
- Attrs.push_back(
- AttributeWithIndex::get(AttrListPtr::ReturnIndex,
- Attributes::get(Callee->getContext(),
- RetAttrs)));
+ Attrs.push_back(AttributeSet::get(RetType->getContext(),
+ AttributeSet::ReturnIndex,
+ RetAttrs));
SmallVector<Value*, 8> Args;
FunctionType::param_iterator I = Ty->param_begin();
FunctionType::param_iterator E = Ty->param_end();
for (unsigned i = 0, e = ArgList.size(); i != e; ++i) {
- Type *ExpectedTy = 0;
+ Type *ExpectedTy = nullptr;
if (I != E) {
ExpectedTy = *I++;
} else if (!Ty->isVarArg()) {
return Error(ArgList[i].Loc, "argument is not of expected type '" +
getTypeString(ExpectedTy) + "'");
Args.push_back(ArgList[i].V);
- if (ArgList[i].Attrs.hasAttributes())
- Attrs.push_back(AttributeWithIndex::get(i+1, ArgList[i].Attrs));
+ if (ArgList[i].Attrs.hasAttributes(i + 1)) {
+ AttrBuilder B(ArgList[i].Attrs, i + 1);
+ Attrs.push_back(AttributeSet::get(RetType->getContext(), i + 1, B));
+ }
}
if (I != E)
return Error(CallLoc, "not enough parameters specified for call");
- if (FnAttrs.hasAttributes())
- Attrs.push_back(
- AttributeWithIndex::get(AttrListPtr::FunctionIndex,
- Attributes::get(Callee->getContext(),
- FnAttrs)));
+ 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 Attributes and check them
- AttrListPtr PAL = AttrListPtr::get(Context, Attrs);
+ // Finish off the Attribute and check them
+ AttributeSet PAL = AttributeSet::get(Context, Attrs);
CallInst *CI = CallInst::Create(Callee, Args);
- CI->setTailCall(isTail);
+ CI->setTailCallKind(TCK);
CI->setCallingConv(CC);
CI->setAttributes(PAL);
+ ForwardRefAttrGroups[CI] = FwdRefAttrGrps;
Inst = CI;
return false;
}
//===----------------------------------------------------------------------===//
/// ParseAlloc
-/// ::= 'alloca' Type (',' TypeAndValue)? (',' OptionalInfo)?
+/// ::= 'alloca' 'inalloca'? Type (',' TypeAndValue)? (',' 'align' i32)?
int LLParser::ParseAlloc(Instruction *&Inst, PerFunctionState &PFS) {
- Value *Size = 0;
- LocTy SizeLoc;
+ Value *Size = nullptr;
+ LocTy SizeLoc, TyLoc;
unsigned Alignment = 0;
- Type *Ty = 0;
- if (ParseType(Ty)) return true;
+ Type *Ty = nullptr;
+
+ bool IsInAlloca = EatIfPresent(lltok::kw_inalloca);
+
+ if (ParseType(Ty, TyLoc)) return true;
+
+ if (Ty->isFunctionTy() || !PointerType::isValidElementType(Ty))
+ return Error(TyLoc, "invalid type for alloca");
bool AteExtraComma = false;
if (EatIfPresent(lltok::comma)) {
if (Size && !Size->getType()->isIntegerTy())
return Error(SizeLoc, "element count must have integer type");
- Inst = new AllocaInst(Ty, Size, Alignment);
+ AllocaInst *AI = new AllocaInst(Ty, Size, Alignment);
+ AI->setUsedWithInAlloca(IsInAlloca);
+ Inst = AI;
return AteExtraComma ? InstExtraComma : InstNormal;
}
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;
}
}
/// ParseCmpXchg
-/// ::= 'cmpxchg' 'volatile'? TypeAndValue ',' TypeAndValue ',' TypeAndValue
-/// 'singlethread'? AtomicOrdering
+/// ::= 'cmpxchg' 'weak'? 'volatile'? TypeAndValue ',' TypeAndValue ','
+/// TypeAndValue 'singlethread'? AtomicOrdering AtomicOrdering
int LLParser::ParseCmpXchg(Instruction *&Inst, PerFunctionState &PFS) {
Value *Ptr, *Cmp, *New; LocTy PtrLoc, CmpLoc, NewLoc;
bool AteExtraComma = false;
- AtomicOrdering Ordering = NotAtomic;
+ AtomicOrdering SuccessOrdering = NotAtomic;
+ AtomicOrdering FailureOrdering = NotAtomic;
SynchronizationScope Scope = CrossThread;
bool isVolatile = false;
+ bool isWeak = false;
+
+ if (EatIfPresent(lltok::kw_weak))
+ isWeak = true;
if (EatIfPresent(lltok::kw_volatile))
isVolatile = true;
ParseTypeAndValue(Cmp, CmpLoc, PFS) ||
ParseToken(lltok::comma, "expected ',' after cmpxchg cmp operand") ||
ParseTypeAndValue(New, NewLoc, PFS) ||
- ParseScopeAndOrdering(true /*Always atomic*/, Scope, Ordering))
+ ParseScopeAndOrdering(true /*Always atomic*/, Scope, SuccessOrdering) ||
+ ParseOrdering(FailureOrdering))
return true;
- if (Ordering == Unordered)
+ if (SuccessOrdering == Unordered || FailureOrdering == Unordered)
return TokError("cmpxchg cannot be unordered");
+ if (SuccessOrdering < FailureOrdering)
+ return TokError("cmpxchg must be at least as ordered on success as failure");
+ if (FailureOrdering == Release || FailureOrdering == AcquireRelease)
+ return TokError("cmpxchg failure ordering cannot include release semantics");
if (!Ptr->getType()->isPointerTy())
return Error(PtrLoc, "cmpxchg operand must be a pointer");
if (cast<PointerType>(Ptr->getType())->getElementType() != Cmp->getType())
return Error(NewLoc, "cmpxchg operand must be power-of-two byte-sized"
" integer");
- AtomicCmpXchgInst *CXI =
- new AtomicCmpXchgInst(Ptr, Cmp, New, Ordering, Scope);
+ AtomicCmpXchgInst *CXI = new AtomicCmpXchgInst(
+ Ptr, Cmp, New, SuccessOrdering, FailureOrdering, Scope);
CXI->setVolatile(isVolatile);
+ CXI->setWeak(isWeak);
Inst = CXI;
return AteExtraComma ? InstExtraComma : InstNormal;
}
/// ParseGetElementPtr
/// ::= 'getelementptr' 'inbounds'? TypeAndValue (',' TypeAndValue)*
int LLParser::ParseGetElementPtr(Instruction *&Inst, PerFunctionState &PFS) {
- Value *Ptr = 0;
- Value *Val = 0;
+ Value *Ptr = nullptr;
+ Value *Val = nullptr;
LocTy Loc, EltLoc;
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;
- if (!Ptr->getType()->getScalarType()->isPointerTy())
+ 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 (!GetElementPtrInst::getIndexedType(Ptr->getType(), Indices))
+ if (!Indices.empty() && !BasePointerType->getElementType()->isSized())
+ return Error(Loc, "base element of getelementptr must be sized");
+
+ if (!GetElementPtrInst::getIndexedType(BaseType, Indices))
return Error(Loc, "invalid getelementptr indices");
Inst = GetElementPtrInst::Create(Ptr, Indices);
if (InBounds)
if (!Val0->getType()->isAggregateType())
return Error(Loc0, "insertvalue operand must be aggregate type");
- if (!ExtractValueInst::getIndexedType(Val0->getType(), Indices))
+ Type *IndexedType = ExtractValueInst::getIndexedType(Val0->getType(), Indices);
+ if (!IndexedType)
return Error(Loc0, "invalid indices for insertvalue");
+ if (IndexedType != Val1->getType())
+ return Error(Loc1, "insertvalue operand and field disagree in type: '" +
+ getTypeString(Val1->getType()) + "' instead of '" +
+ getTypeString(IndexedType) + "'");
Inst = InsertValueInst::Create(Val0, Val1, Indices);
return AteExtraComma ? InstExtraComma : InstNormal;
}
//===----------------------------------------------------------------------===//
/// ParseMDNodeVector
-/// ::= Element (',' Element)*
+/// ::= { Element (',' Element)* }
/// Element
/// ::= 'null' | TypeAndValue
-bool LLParser::ParseMDNodeVector(SmallVectorImpl<Value*> &Elts,
- PerFunctionState *PFS) {
+bool LLParser::ParseMDNodeVector(SmallVectorImpl<Metadata *> &Elts) {
+ if (ParseToken(lltok::lbrace, "expected '{' here"))
+ return true;
+
// Check for an empty list.
- if (Lex.getKind() == lltok::rbrace)
+ if (EatIfPresent(lltok::rbrace))
return false;
do {
// Null is a special case since it is typeless.
if (EatIfPresent(lltok::kw_null)) {
- Elts.push_back(0);
+ Elts.push_back(nullptr);
continue;
}
- Value *V = 0;
- if (ParseTypeAndValue(V, PFS)) return true;
- Elts.push_back(V);
+ Metadata *MD;
+ if (ParseMetadata(MD, nullptr))
+ return true;
+ Elts.push_back(MD);
+ } while (EatIfPresent(lltok::comma));
+
+ return ParseToken(lltok::rbrace, "expected end of metadata node");
+}
+
+//===----------------------------------------------------------------------===//
+// Use-list order directives.
+//===----------------------------------------------------------------------===//
+bool LLParser::sortUseListOrder(Value *V, ArrayRef<unsigned> Indexes,
+ SMLoc Loc) {
+ if (V->use_empty())
+ return Error(Loc, "value has no uses");
+
+ unsigned NumUses = 0;
+ SmallDenseMap<const Use *, unsigned, 16> Order;
+ for (const Use &U : V->uses()) {
+ if (++NumUses > Indexes.size())
+ break;
+ Order[&U] = Indexes[NumUses - 1];
+ }
+ if (NumUses < 2)
+ return Error(Loc, "value only has one use");
+ if (Order.size() != Indexes.size() || NumUses > Indexes.size())
+ return Error(Loc, "wrong number of indexes, expected " +
+ Twine(std::distance(V->use_begin(), V->use_end())));
+
+ V->sortUseList([&](const Use &L, const Use &R) {
+ return Order.lookup(&L) < Order.lookup(&R);
+ });
+ return false;
+}
+
+/// ParseUseListOrderIndexes
+/// ::= '{' uint32 (',' uint32)+ '}'
+bool LLParser::ParseUseListOrderIndexes(SmallVectorImpl<unsigned> &Indexes) {
+ SMLoc Loc = Lex.getLoc();
+ if (ParseToken(lltok::lbrace, "expected '{' here"))
+ return true;
+ if (Lex.getKind() == lltok::rbrace)
+ return Lex.Error("expected non-empty list of uselistorder indexes");
+
+ // Use Offset, Max, and IsOrdered to check consistency of indexes. The
+ // indexes should be distinct numbers in the range [0, size-1], and should
+ // not be in order.
+ unsigned Offset = 0;
+ unsigned Max = 0;
+ bool IsOrdered = true;
+ assert(Indexes.empty() && "Expected empty order vector");
+ do {
+ unsigned Index;
+ if (ParseUInt32(Index))
+ return true;
+
+ // Update consistency checks.
+ Offset += Index - Indexes.size();
+ Max = std::max(Max, Index);
+ IsOrdered &= Index == Indexes.size();
+
+ Indexes.push_back(Index);
} while (EatIfPresent(lltok::comma));
+ if (ParseToken(lltok::rbrace, "expected '}' here"))
+ return true;
+
+ if (Indexes.size() < 2)
+ return Error(Loc, "expected >= 2 uselistorder indexes");
+ if (Offset != 0 || Max >= Indexes.size())
+ return Error(Loc, "expected distinct uselistorder indexes in range [0, size)");
+ if (IsOrdered)
+ return Error(Loc, "expected uselistorder indexes to change the order");
+
return false;
}
+
+/// ParseUseListOrder
+/// ::= 'uselistorder' Type Value ',' UseListOrderIndexes
+bool LLParser::ParseUseListOrder(PerFunctionState *PFS) {
+ SMLoc Loc = Lex.getLoc();
+ if (ParseToken(lltok::kw_uselistorder, "expected uselistorder directive"))
+ return true;
+
+ Value *V;
+ SmallVector<unsigned, 16> Indexes;
+ if (ParseTypeAndValue(V, PFS) ||
+ ParseToken(lltok::comma, "expected comma in uselistorder directive") ||
+ ParseUseListOrderIndexes(Indexes))
+ return true;
+
+ return sortUseListOrder(V, Indexes, Loc);
+}
+
+/// ParseUseListOrderBB
+/// ::= 'uselistorder_bb' @foo ',' %bar ',' UseListOrderIndexes
+bool LLParser::ParseUseListOrderBB() {
+ assert(Lex.getKind() == lltok::kw_uselistorder_bb);
+ SMLoc Loc = Lex.getLoc();
+ Lex.Lex();
+
+ ValID Fn, Label;
+ SmallVector<unsigned, 16> Indexes;
+ if (ParseValID(Fn) ||
+ ParseToken(lltok::comma, "expected comma in uselistorder_bb directive") ||
+ ParseValID(Label) ||
+ ParseToken(lltok::comma, "expected comma in uselistorder_bb directive") ||
+ ParseUseListOrderIndexes(Indexes))
+ return true;
+
+ // Check the function.
+ GlobalValue *GV;
+ if (Fn.Kind == ValID::t_GlobalName)
+ GV = M->getNamedValue(Fn.StrVal);
+ else if (Fn.Kind == ValID::t_GlobalID)
+ GV = Fn.UIntVal < NumberedVals.size() ? NumberedVals[Fn.UIntVal] : nullptr;
+ else
+ return Error(Fn.Loc, "expected function name in uselistorder_bb");
+ if (!GV)
+ return Error(Fn.Loc, "invalid function forward reference in uselistorder_bb");
+ auto *F = dyn_cast<Function>(GV);
+ if (!F)
+ return Error(Fn.Loc, "expected function name in uselistorder_bb");
+ if (F->isDeclaration())
+ return Error(Fn.Loc, "invalid declaration in uselistorder_bb");
+
+ // Check the basic block.
+ if (Label.Kind == ValID::t_LocalID)
+ return Error(Label.Loc, "invalid numeric label in uselistorder_bb");
+ if (Label.Kind != ValID::t_LocalName)
+ return Error(Label.Loc, "expected basic block name in uselistorder_bb");
+ Value *V = F->getValueSymbolTable().lookup(Label.StrVal);
+ if (!V)
+ return Error(Label.Loc, "invalid basic block in uselistorder_bb");
+ if (!isa<BasicBlock>(V))
+ return Error(Label.Loc, "expected basic block in uselistorder_bb");
+
+ return sortUseListOrder(V, Indexes, Loc);
+}
projects / oota-llvm.git / blobdiff