mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-23 11:13:28 +01:00
610 lines
25 KiB
C++
610 lines
25 KiB
C++
//===-- LLParser.h - Parser Class -------------------------------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file defines the parser class for .ll files.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_LIB_ASMPARSER_LLPARSER_H
|
|
#define LLVM_LIB_ASMPARSER_LLPARSER_H
|
|
|
|
#include "LLLexer.h"
|
|
#include "llvm/ADT/Optional.h"
|
|
#include "llvm/ADT/StringMap.h"
|
|
#include "llvm/IR/Attributes.h"
|
|
#include "llvm/IR/Instructions.h"
|
|
#include "llvm/IR/Module.h"
|
|
#include "llvm/IR/ModuleSummaryIndex.h"
|
|
#include "llvm/IR/Operator.h"
|
|
#include "llvm/IR/Type.h"
|
|
#include "llvm/IR/ValueHandle.h"
|
|
#include <map>
|
|
|
|
namespace llvm {
|
|
class Module;
|
|
class OpaqueType;
|
|
class Function;
|
|
class Value;
|
|
class BasicBlock;
|
|
class Instruction;
|
|
class Constant;
|
|
class GlobalValue;
|
|
class Comdat;
|
|
class MDString;
|
|
class MDNode;
|
|
struct SlotMapping;
|
|
class StructType;
|
|
|
|
/// ValID - Represents a reference of a definition of some sort with no type.
|
|
/// There are several cases where we have to parse the value but where the
|
|
/// type can depend on later context. This may either be a numeric reference
|
|
/// or a symbolic (%var) reference. This is just a discriminated union.
|
|
struct ValID {
|
|
enum {
|
|
t_LocalID, t_GlobalID, // ID in UIntVal.
|
|
t_LocalName, t_GlobalName, // Name in StrVal.
|
|
t_APSInt, t_APFloat, // Value in APSIntVal/APFloatVal.
|
|
t_Null, t_Undef, t_Zero, t_None, // No value.
|
|
t_EmptyArray, // No value: []
|
|
t_Constant, // Value in ConstantVal.
|
|
t_InlineAsm, // Value in FTy/StrVal/StrVal2/UIntVal.
|
|
t_ConstantStruct, // Value in ConstantStructElts.
|
|
t_PackedConstantStruct // Value in ConstantStructElts.
|
|
} Kind = t_LocalID;
|
|
|
|
LLLexer::LocTy Loc;
|
|
unsigned UIntVal;
|
|
FunctionType *FTy = nullptr;
|
|
std::string StrVal, StrVal2;
|
|
APSInt APSIntVal;
|
|
APFloat APFloatVal{0.0};
|
|
Constant *ConstantVal;
|
|
std::unique_ptr<Constant *[]> ConstantStructElts;
|
|
|
|
ValID() = default;
|
|
ValID(const ValID &RHS)
|
|
: Kind(RHS.Kind), Loc(RHS.Loc), UIntVal(RHS.UIntVal), FTy(RHS.FTy),
|
|
StrVal(RHS.StrVal), StrVal2(RHS.StrVal2), APSIntVal(RHS.APSIntVal),
|
|
APFloatVal(RHS.APFloatVal), ConstantVal(RHS.ConstantVal) {
|
|
assert(!RHS.ConstantStructElts);
|
|
}
|
|
|
|
bool operator<(const ValID &RHS) const {
|
|
if (Kind == t_LocalID || Kind == t_GlobalID)
|
|
return UIntVal < RHS.UIntVal;
|
|
assert((Kind == t_LocalName || Kind == t_GlobalName ||
|
|
Kind == t_ConstantStruct || Kind == t_PackedConstantStruct) &&
|
|
"Ordering not defined for this ValID kind yet");
|
|
return StrVal < RHS.StrVal;
|
|
}
|
|
};
|
|
|
|
class LLParser {
|
|
public:
|
|
typedef LLLexer::LocTy LocTy;
|
|
private:
|
|
LLVMContext &Context;
|
|
LLLexer Lex;
|
|
// Module being parsed, null if we are only parsing summary index.
|
|
Module *M;
|
|
// Summary index being parsed, null if we are only parsing Module.
|
|
ModuleSummaryIndex *Index;
|
|
SlotMapping *Slots;
|
|
|
|
// Instruction metadata resolution. Each instruction can have a list of
|
|
// MDRef info associated with them.
|
|
//
|
|
// The simpler approach of just creating temporary MDNodes and then calling
|
|
// RAUW on them when the definition is processed doesn't work because some
|
|
// instruction metadata kinds, such as dbg, get stored in the IR in an
|
|
// "optimized" format which doesn't participate in the normal value use
|
|
// lists. This means that RAUW doesn't work, even on temporary MDNodes
|
|
// which otherwise support RAUW. Instead, we defer resolving MDNode
|
|
// references until the definitions have been processed.
|
|
struct MDRef {
|
|
SMLoc Loc;
|
|
unsigned MDKind, MDSlot;
|
|
};
|
|
|
|
SmallVector<Instruction*, 64> InstsWithTBAATag;
|
|
|
|
// Type resolution handling data structures. The location is set when we
|
|
// have processed a use of the type but not a definition yet.
|
|
StringMap<std::pair<Type*, LocTy> > NamedTypes;
|
|
std::map<unsigned, std::pair<Type*, LocTy> > NumberedTypes;
|
|
|
|
std::map<unsigned, TrackingMDNodeRef> NumberedMetadata;
|
|
std::map<unsigned, std::pair<TempMDTuple, LocTy>> ForwardRefMDNodes;
|
|
|
|
// Global Value reference information.
|
|
std::map<std::string, std::pair<GlobalValue*, LocTy> > ForwardRefVals;
|
|
std::map<unsigned, std::pair<GlobalValue*, LocTy> > ForwardRefValIDs;
|
|
std::vector<GlobalValue*> NumberedVals;
|
|
|
|
// Comdat forward reference information.
|
|
std::map<std::string, LocTy> ForwardRefComdats;
|
|
|
|
// References to blockaddress. The key is the function ValID, the value is
|
|
// a list of references to blocks in that function.
|
|
std::map<ValID, std::map<ValID, GlobalValue *>> ForwardRefBlockAddresses;
|
|
class PerFunctionState;
|
|
/// Reference to per-function state to allow basic blocks to be
|
|
/// forward-referenced by blockaddress instructions within the same
|
|
/// function.
|
|
PerFunctionState *BlockAddressPFS;
|
|
|
|
// Attribute builder reference information.
|
|
std::map<Value*, std::vector<unsigned> > ForwardRefAttrGroups;
|
|
std::map<unsigned, AttrBuilder> NumberedAttrBuilders;
|
|
|
|
// Summary global value reference information.
|
|
std::map<unsigned, std::vector<std::pair<ValueInfo *, LocTy>>>
|
|
ForwardRefValueInfos;
|
|
std::map<unsigned, std::vector<std::pair<AliasSummary *, LocTy>>>
|
|
ForwardRefAliasees;
|
|
std::vector<ValueInfo> NumberedValueInfos;
|
|
|
|
// Summary type id reference information.
|
|
std::map<unsigned, std::vector<std::pair<GlobalValue::GUID *, LocTy>>>
|
|
ForwardRefTypeIds;
|
|
|
|
// Map of module ID to path.
|
|
std::map<unsigned, StringRef> ModuleIdMap;
|
|
|
|
/// Only the llvm-as tool may set this to false to bypass
|
|
/// UpgradeDebuginfo so it can generate broken bitcode.
|
|
bool UpgradeDebugInfo;
|
|
|
|
/// DataLayout string to override that in LLVM assembly.
|
|
StringRef DataLayoutStr;
|
|
|
|
std::string SourceFileName;
|
|
|
|
public:
|
|
LLParser(StringRef F, SourceMgr &SM, SMDiagnostic &Err, Module *M,
|
|
ModuleSummaryIndex *Index, LLVMContext &Context,
|
|
SlotMapping *Slots = nullptr, bool UpgradeDebugInfo = true,
|
|
StringRef DataLayoutString = "")
|
|
: Context(Context), Lex(F, SM, Err, Context), M(M), Index(Index),
|
|
Slots(Slots), BlockAddressPFS(nullptr),
|
|
UpgradeDebugInfo(UpgradeDebugInfo), DataLayoutStr(DataLayoutString) {
|
|
if (!DataLayoutStr.empty())
|
|
M->setDataLayout(DataLayoutStr);
|
|
}
|
|
bool Run();
|
|
|
|
bool parseStandaloneConstantValue(Constant *&C, const SlotMapping *Slots);
|
|
|
|
bool parseTypeAtBeginning(Type *&Ty, unsigned &Read,
|
|
const SlotMapping *Slots);
|
|
|
|
LLVMContext &getContext() { return Context; }
|
|
|
|
private:
|
|
|
|
bool Error(LocTy L, const Twine &Msg) const {
|
|
return Lex.Error(L, Msg);
|
|
}
|
|
bool TokError(const Twine &Msg) const {
|
|
return Error(Lex.getLoc(), Msg);
|
|
}
|
|
|
|
/// Restore the internal name and slot mappings using the mappings that
|
|
/// were created at an earlier parsing stage.
|
|
void restoreParsingState(const SlotMapping *Slots);
|
|
|
|
/// GetGlobalVal - Get a value with the specified name or ID, creating a
|
|
/// forward reference record if needed. This can return null if the value
|
|
/// exists but does not have the right type.
|
|
GlobalValue *GetGlobalVal(const std::string &N, Type *Ty, LocTy Loc,
|
|
bool IsCall);
|
|
GlobalValue *GetGlobalVal(unsigned ID, Type *Ty, LocTy Loc, bool IsCall);
|
|
|
|
/// Get a Comdat with the specified name, creating a forward reference
|
|
/// record if needed.
|
|
Comdat *getComdat(const std::string &Name, LocTy Loc);
|
|
|
|
// Helper Routines.
|
|
bool ParseToken(lltok::Kind T, const char *ErrMsg);
|
|
bool EatIfPresent(lltok::Kind T) {
|
|
if (Lex.getKind() != T) return false;
|
|
Lex.Lex();
|
|
return true;
|
|
}
|
|
|
|
FastMathFlags EatFastMathFlagsIfPresent() {
|
|
FastMathFlags FMF;
|
|
while (true)
|
|
switch (Lex.getKind()) {
|
|
case lltok::kw_fast: FMF.setFast(); Lex.Lex(); continue;
|
|
case lltok::kw_nnan: FMF.setNoNaNs(); Lex.Lex(); continue;
|
|
case lltok::kw_ninf: FMF.setNoInfs(); Lex.Lex(); continue;
|
|
case lltok::kw_nsz: FMF.setNoSignedZeros(); Lex.Lex(); continue;
|
|
case lltok::kw_arcp: FMF.setAllowReciprocal(); Lex.Lex(); continue;
|
|
case lltok::kw_contract:
|
|
FMF.setAllowContract(true);
|
|
Lex.Lex();
|
|
continue;
|
|
case lltok::kw_reassoc: FMF.setAllowReassoc(); Lex.Lex(); continue;
|
|
case lltok::kw_afn: FMF.setApproxFunc(); Lex.Lex(); continue;
|
|
default: return FMF;
|
|
}
|
|
return FMF;
|
|
}
|
|
|
|
bool ParseOptionalToken(lltok::Kind T, bool &Present,
|
|
LocTy *Loc = nullptr) {
|
|
if (Lex.getKind() != T) {
|
|
Present = false;
|
|
} else {
|
|
if (Loc)
|
|
*Loc = Lex.getLoc();
|
|
Lex.Lex();
|
|
Present = true;
|
|
}
|
|
return false;
|
|
}
|
|
bool ParseStringConstant(std::string &Result);
|
|
bool ParseUInt32(unsigned &Val);
|
|
bool ParseUInt32(unsigned &Val, LocTy &Loc) {
|
|
Loc = Lex.getLoc();
|
|
return ParseUInt32(Val);
|
|
}
|
|
bool ParseUInt64(uint64_t &Val);
|
|
bool ParseUInt64(uint64_t &Val, LocTy &Loc) {
|
|
Loc = Lex.getLoc();
|
|
return ParseUInt64(Val);
|
|
}
|
|
bool ParseFlag(unsigned &Val);
|
|
|
|
bool ParseStringAttribute(AttrBuilder &B);
|
|
|
|
bool ParseTLSModel(GlobalVariable::ThreadLocalMode &TLM);
|
|
bool ParseOptionalThreadLocal(GlobalVariable::ThreadLocalMode &TLM);
|
|
bool ParseOptionalUnnamedAddr(GlobalVariable::UnnamedAddr &UnnamedAddr);
|
|
bool ParseOptionalAddrSpace(unsigned &AddrSpace, unsigned DefaultAS = 0);
|
|
bool ParseOptionalProgramAddrSpace(unsigned &AddrSpace) {
|
|
return ParseOptionalAddrSpace(
|
|
AddrSpace, M->getDataLayout().getProgramAddressSpace());
|
|
};
|
|
bool ParseOptionalParamAttrs(AttrBuilder &B);
|
|
bool ParseOptionalReturnAttrs(AttrBuilder &B);
|
|
bool ParseOptionalLinkage(unsigned &Res, bool &HasLinkage,
|
|
unsigned &Visibility, unsigned &DLLStorageClass,
|
|
bool &DSOLocal);
|
|
void ParseOptionalDSOLocal(bool &DSOLocal);
|
|
void ParseOptionalVisibility(unsigned &Res);
|
|
void ParseOptionalDLLStorageClass(unsigned &Res);
|
|
bool ParseOptionalCallingConv(unsigned &CC);
|
|
bool ParseOptionalAlignment(unsigned &Alignment);
|
|
bool ParseOptionalDerefAttrBytes(lltok::Kind AttrKind, uint64_t &Bytes);
|
|
bool ParseScopeAndOrdering(bool isAtomic, SyncScope::ID &SSID,
|
|
AtomicOrdering &Ordering);
|
|
bool ParseScope(SyncScope::ID &SSID);
|
|
bool ParseOrdering(AtomicOrdering &Ordering);
|
|
bool ParseOptionalStackAlignment(unsigned &Alignment);
|
|
bool ParseOptionalCommaAlign(unsigned &Alignment, bool &AteExtraComma);
|
|
bool ParseOptionalCommaAddrSpace(unsigned &AddrSpace, LocTy &Loc,
|
|
bool &AteExtraComma);
|
|
bool ParseOptionalCommaInAlloca(bool &IsInAlloca);
|
|
bool parseAllocSizeArguments(unsigned &BaseSizeArg,
|
|
Optional<unsigned> &HowManyArg);
|
|
bool ParseIndexList(SmallVectorImpl<unsigned> &Indices,
|
|
bool &AteExtraComma);
|
|
bool ParseIndexList(SmallVectorImpl<unsigned> &Indices) {
|
|
bool AteExtraComma;
|
|
if (ParseIndexList(Indices, AteExtraComma)) return true;
|
|
if (AteExtraComma)
|
|
return TokError("expected index");
|
|
return false;
|
|
}
|
|
|
|
// Top-Level Entities
|
|
bool ParseTopLevelEntities();
|
|
bool ValidateEndOfModule();
|
|
bool ValidateEndOfIndex();
|
|
bool ParseTargetDefinition();
|
|
bool ParseModuleAsm();
|
|
bool ParseSourceFileName();
|
|
bool ParseDepLibs(); // FIXME: Remove in 4.0.
|
|
bool ParseUnnamedType();
|
|
bool ParseNamedType();
|
|
bool ParseDeclare();
|
|
bool ParseDefine();
|
|
|
|
bool ParseGlobalType(bool &IsConstant);
|
|
bool ParseUnnamedGlobal();
|
|
bool ParseNamedGlobal();
|
|
bool ParseGlobal(const std::string &Name, LocTy NameLoc, unsigned Linkage,
|
|
bool HasLinkage, unsigned Visibility,
|
|
unsigned DLLStorageClass, bool DSOLocal,
|
|
GlobalVariable::ThreadLocalMode TLM,
|
|
GlobalVariable::UnnamedAddr UnnamedAddr);
|
|
bool parseIndirectSymbol(const std::string &Name, LocTy NameLoc,
|
|
unsigned L, unsigned Visibility,
|
|
unsigned DLLStorageClass, bool DSOLocal,
|
|
GlobalVariable::ThreadLocalMode TLM,
|
|
GlobalVariable::UnnamedAddr UnnamedAddr);
|
|
bool parseComdat();
|
|
bool ParseStandaloneMetadata();
|
|
bool ParseNamedMetadata();
|
|
bool ParseMDString(MDString *&Result);
|
|
bool ParseMDNodeID(MDNode *&Result);
|
|
bool ParseUnnamedAttrGrp();
|
|
bool ParseFnAttributeValuePairs(AttrBuilder &B,
|
|
std::vector<unsigned> &FwdRefAttrGrps,
|
|
bool inAttrGrp, LocTy &BuiltinLoc);
|
|
|
|
// Module Summary Index Parsing.
|
|
bool SkipModuleSummaryEntry();
|
|
bool ParseSummaryEntry();
|
|
bool ParseModuleEntry(unsigned ID);
|
|
bool ParseModuleReference(StringRef &ModulePath);
|
|
bool ParseGVReference(ValueInfo &VI, unsigned &GVId);
|
|
bool ParseGVEntry(unsigned ID);
|
|
bool ParseFunctionSummary(std::string Name, GlobalValue::GUID, unsigned ID);
|
|
bool ParseVariableSummary(std::string Name, GlobalValue::GUID, unsigned ID);
|
|
bool ParseAliasSummary(std::string Name, GlobalValue::GUID, unsigned ID);
|
|
bool ParseGVFlags(GlobalValueSummary::GVFlags &GVFlags);
|
|
bool ParseGVarFlags(GlobalVarSummary::GVarFlags &GVarFlags);
|
|
bool ParseOptionalFFlags(FunctionSummary::FFlags &FFlags);
|
|
bool ParseOptionalCalls(std::vector<FunctionSummary::EdgeTy> &Calls);
|
|
bool ParseHotness(CalleeInfo::HotnessType &Hotness);
|
|
bool ParseOptionalTypeIdInfo(FunctionSummary::TypeIdInfo &TypeIdInfo);
|
|
bool ParseTypeTests(std::vector<GlobalValue::GUID> &TypeTests);
|
|
bool ParseVFuncIdList(lltok::Kind Kind,
|
|
std::vector<FunctionSummary::VFuncId> &VFuncIdList);
|
|
bool ParseConstVCallList(
|
|
lltok::Kind Kind,
|
|
std::vector<FunctionSummary::ConstVCall> &ConstVCallList);
|
|
using IdToIndexMapType =
|
|
std::map<unsigned, std::vector<std::pair<unsigned, LocTy>>>;
|
|
bool ParseConstVCall(FunctionSummary::ConstVCall &ConstVCall,
|
|
IdToIndexMapType &IdToIndexMap, unsigned Index);
|
|
bool ParseVFuncId(FunctionSummary::VFuncId &VFuncId,
|
|
IdToIndexMapType &IdToIndexMap, unsigned Index);
|
|
bool ParseOptionalRefs(std::vector<ValueInfo> &Refs);
|
|
bool ParseTypeIdEntry(unsigned ID);
|
|
bool ParseTypeIdSummary(TypeIdSummary &TIS);
|
|
bool ParseTypeTestResolution(TypeTestResolution &TTRes);
|
|
bool ParseOptionalWpdResolutions(
|
|
std::map<uint64_t, WholeProgramDevirtResolution> &WPDResMap);
|
|
bool ParseWpdRes(WholeProgramDevirtResolution &WPDRes);
|
|
bool ParseOptionalResByArg(
|
|
std::map<std::vector<uint64_t>, WholeProgramDevirtResolution::ByArg>
|
|
&ResByArg);
|
|
bool ParseArgs(std::vector<uint64_t> &Args);
|
|
void AddGlobalValueToIndex(std::string Name, GlobalValue::GUID,
|
|
GlobalValue::LinkageTypes Linkage, unsigned ID,
|
|
std::unique_ptr<GlobalValueSummary> Summary);
|
|
|
|
// Type Parsing.
|
|
bool ParseType(Type *&Result, const Twine &Msg, bool AllowVoid = false);
|
|
bool ParseType(Type *&Result, bool AllowVoid = false) {
|
|
return ParseType(Result, "expected type", AllowVoid);
|
|
}
|
|
bool ParseType(Type *&Result, const Twine &Msg, LocTy &Loc,
|
|
bool AllowVoid = false) {
|
|
Loc = Lex.getLoc();
|
|
return ParseType(Result, Msg, AllowVoid);
|
|
}
|
|
bool ParseType(Type *&Result, LocTy &Loc, bool AllowVoid = false) {
|
|
Loc = Lex.getLoc();
|
|
return ParseType(Result, AllowVoid);
|
|
}
|
|
bool ParseAnonStructType(Type *&Result, bool Packed);
|
|
bool ParseStructBody(SmallVectorImpl<Type*> &Body);
|
|
bool ParseStructDefinition(SMLoc TypeLoc, StringRef Name,
|
|
std::pair<Type*, LocTy> &Entry,
|
|
Type *&ResultTy);
|
|
|
|
bool ParseArrayVectorType(Type *&Result, bool isVector);
|
|
bool ParseFunctionType(Type *&Result);
|
|
|
|
// Function Semantic Analysis.
|
|
class PerFunctionState {
|
|
LLParser &P;
|
|
Function &F;
|
|
std::map<std::string, std::pair<Value*, LocTy> > ForwardRefVals;
|
|
std::map<unsigned, std::pair<Value*, LocTy> > ForwardRefValIDs;
|
|
std::vector<Value*> NumberedVals;
|
|
|
|
/// FunctionNumber - If this is an unnamed function, this is the slot
|
|
/// number of it, otherwise it is -1.
|
|
int FunctionNumber;
|
|
public:
|
|
PerFunctionState(LLParser &p, Function &f, int functionNumber);
|
|
~PerFunctionState();
|
|
|
|
Function &getFunction() const { return F; }
|
|
|
|
bool FinishFunction();
|
|
|
|
/// GetVal - Get a value with the specified name or ID, creating a
|
|
/// forward reference record if needed. This can return null if the value
|
|
/// exists but does not have the right type.
|
|
Value *GetVal(const std::string &Name, Type *Ty, LocTy Loc, bool IsCall);
|
|
Value *GetVal(unsigned ID, Type *Ty, LocTy Loc, bool IsCall);
|
|
|
|
/// SetInstName - After an instruction is parsed and inserted into its
|
|
/// basic block, this installs its name.
|
|
bool SetInstName(int NameID, const std::string &NameStr, LocTy NameLoc,
|
|
Instruction *Inst);
|
|
|
|
/// GetBB - Get a basic block with the specified name or ID, creating a
|
|
/// forward reference record if needed. This can return null if the value
|
|
/// is not a BasicBlock.
|
|
BasicBlock *GetBB(const std::string &Name, LocTy Loc);
|
|
BasicBlock *GetBB(unsigned ID, LocTy Loc);
|
|
|
|
/// DefineBB - Define the specified basic block, which is either named or
|
|
/// unnamed. If there is an error, this returns null otherwise it returns
|
|
/// the block being defined.
|
|
BasicBlock *DefineBB(const std::string &Name, LocTy Loc);
|
|
|
|
bool resolveForwardRefBlockAddresses();
|
|
};
|
|
|
|
bool ConvertValIDToValue(Type *Ty, ValID &ID, Value *&V,
|
|
PerFunctionState *PFS, bool IsCall);
|
|
|
|
Value *checkValidVariableType(LocTy Loc, const Twine &Name, Type *Ty,
|
|
Value *Val, bool IsCall);
|
|
|
|
bool parseConstantValue(Type *Ty, Constant *&C);
|
|
bool ParseValue(Type *Ty, Value *&V, PerFunctionState *PFS);
|
|
bool ParseValue(Type *Ty, Value *&V, PerFunctionState &PFS) {
|
|
return ParseValue(Ty, V, &PFS);
|
|
}
|
|
|
|
bool ParseValue(Type *Ty, Value *&V, LocTy &Loc,
|
|
PerFunctionState &PFS) {
|
|
Loc = Lex.getLoc();
|
|
return ParseValue(Ty, V, &PFS);
|
|
}
|
|
|
|
bool ParseTypeAndValue(Value *&V, PerFunctionState *PFS);
|
|
bool ParseTypeAndValue(Value *&V, PerFunctionState &PFS) {
|
|
return ParseTypeAndValue(V, &PFS);
|
|
}
|
|
bool ParseTypeAndValue(Value *&V, LocTy &Loc, PerFunctionState &PFS) {
|
|
Loc = Lex.getLoc();
|
|
return ParseTypeAndValue(V, PFS);
|
|
}
|
|
bool ParseTypeAndBasicBlock(BasicBlock *&BB, LocTy &Loc,
|
|
PerFunctionState &PFS);
|
|
bool ParseTypeAndBasicBlock(BasicBlock *&BB, PerFunctionState &PFS) {
|
|
LocTy Loc;
|
|
return ParseTypeAndBasicBlock(BB, Loc, PFS);
|
|
}
|
|
|
|
|
|
struct ParamInfo {
|
|
LocTy Loc;
|
|
Value *V;
|
|
AttributeSet Attrs;
|
|
ParamInfo(LocTy loc, Value *v, AttributeSet attrs)
|
|
: Loc(loc), V(v), Attrs(attrs) {}
|
|
};
|
|
bool ParseParameterList(SmallVectorImpl<ParamInfo> &ArgList,
|
|
PerFunctionState &PFS,
|
|
bool IsMustTailCall = false,
|
|
bool InVarArgsFunc = false);
|
|
|
|
bool
|
|
ParseOptionalOperandBundles(SmallVectorImpl<OperandBundleDef> &BundleList,
|
|
PerFunctionState &PFS);
|
|
|
|
bool ParseExceptionArgs(SmallVectorImpl<Value *> &Args,
|
|
PerFunctionState &PFS);
|
|
|
|
// Constant Parsing.
|
|
bool ParseValID(ValID &ID, PerFunctionState *PFS = nullptr);
|
|
bool ParseGlobalValue(Type *Ty, Constant *&C);
|
|
bool ParseGlobalTypeAndValue(Constant *&V);
|
|
bool ParseGlobalValueVector(SmallVectorImpl<Constant *> &Elts,
|
|
Optional<unsigned> *InRangeOp = nullptr);
|
|
bool parseOptionalComdat(StringRef GlobalName, Comdat *&C);
|
|
bool ParseMetadataAsValue(Value *&V, PerFunctionState &PFS);
|
|
bool ParseValueAsMetadata(Metadata *&MD, const Twine &TypeMsg,
|
|
PerFunctionState *PFS);
|
|
bool ParseMetadata(Metadata *&MD, PerFunctionState *PFS);
|
|
bool ParseMDTuple(MDNode *&MD, bool IsDistinct = false);
|
|
bool ParseMDNode(MDNode *&N);
|
|
bool ParseMDNodeTail(MDNode *&N);
|
|
bool ParseMDNodeVector(SmallVectorImpl<Metadata *> &Elts);
|
|
bool ParseMetadataAttachment(unsigned &Kind, MDNode *&MD);
|
|
bool ParseInstructionMetadata(Instruction &Inst);
|
|
bool ParseGlobalObjectMetadataAttachment(GlobalObject &GO);
|
|
bool ParseOptionalFunctionMetadata(Function &F);
|
|
|
|
template <class FieldTy>
|
|
bool ParseMDField(LocTy Loc, StringRef Name, FieldTy &Result);
|
|
template <class FieldTy> bool ParseMDField(StringRef Name, FieldTy &Result);
|
|
template <class ParserTy>
|
|
bool ParseMDFieldsImplBody(ParserTy parseField);
|
|
template <class ParserTy>
|
|
bool ParseMDFieldsImpl(ParserTy parseField, LocTy &ClosingLoc);
|
|
bool ParseSpecializedMDNode(MDNode *&N, bool IsDistinct = false);
|
|
|
|
#define HANDLE_SPECIALIZED_MDNODE_LEAF(CLASS) \
|
|
bool Parse##CLASS(MDNode *&Result, bool IsDistinct);
|
|
#include "llvm/IR/Metadata.def"
|
|
|
|
// Function Parsing.
|
|
struct ArgInfo {
|
|
LocTy Loc;
|
|
Type *Ty;
|
|
AttributeSet Attrs;
|
|
std::string Name;
|
|
ArgInfo(LocTy L, Type *ty, AttributeSet Attr, const std::string &N)
|
|
: Loc(L), Ty(ty), Attrs(Attr), Name(N) {}
|
|
};
|
|
bool ParseArgumentList(SmallVectorImpl<ArgInfo> &ArgList, bool &isVarArg);
|
|
bool ParseFunctionHeader(Function *&Fn, bool isDefine);
|
|
bool ParseFunctionBody(Function &Fn);
|
|
bool ParseBasicBlock(PerFunctionState &PFS);
|
|
|
|
enum TailCallType { TCT_None, TCT_Tail, TCT_MustTail };
|
|
|
|
// Instruction Parsing. Each instruction parsing routine can return with a
|
|
// normal result, an error result, or return having eaten an extra comma.
|
|
enum InstResult { InstNormal = 0, InstError = 1, InstExtraComma = 2 };
|
|
int ParseInstruction(Instruction *&Inst, BasicBlock *BB,
|
|
PerFunctionState &PFS);
|
|
bool ParseCmpPredicate(unsigned &P, unsigned Opc);
|
|
|
|
bool ParseRet(Instruction *&Inst, BasicBlock *BB, PerFunctionState &PFS);
|
|
bool ParseBr(Instruction *&Inst, PerFunctionState &PFS);
|
|
bool ParseSwitch(Instruction *&Inst, PerFunctionState &PFS);
|
|
bool ParseIndirectBr(Instruction *&Inst, PerFunctionState &PFS);
|
|
bool ParseInvoke(Instruction *&Inst, PerFunctionState &PFS);
|
|
bool ParseResume(Instruction *&Inst, PerFunctionState &PFS);
|
|
bool ParseCleanupRet(Instruction *&Inst, PerFunctionState &PFS);
|
|
bool ParseCatchRet(Instruction *&Inst, PerFunctionState &PFS);
|
|
bool ParseCatchSwitch(Instruction *&Inst, PerFunctionState &PFS);
|
|
bool ParseCatchPad(Instruction *&Inst, PerFunctionState &PFS);
|
|
bool ParseCleanupPad(Instruction *&Inst, PerFunctionState &PFS);
|
|
|
|
bool ParseUnaryOp(Instruction *&Inst, PerFunctionState &PFS, unsigned Opc,
|
|
unsigned OperandType);
|
|
bool ParseArithmetic(Instruction *&Inst, PerFunctionState &PFS, unsigned Opc,
|
|
unsigned OperandType);
|
|
bool ParseLogical(Instruction *&Inst, PerFunctionState &PFS, unsigned Opc);
|
|
bool ParseCompare(Instruction *&Inst, PerFunctionState &PFS, unsigned Opc);
|
|
bool ParseCast(Instruction *&Inst, PerFunctionState &PFS, unsigned Opc);
|
|
bool ParseSelect(Instruction *&Inst, PerFunctionState &PFS);
|
|
bool ParseVA_Arg(Instruction *&Inst, PerFunctionState &PFS);
|
|
bool ParseExtractElement(Instruction *&Inst, PerFunctionState &PFS);
|
|
bool ParseInsertElement(Instruction *&Inst, PerFunctionState &PFS);
|
|
bool ParseShuffleVector(Instruction *&Inst, PerFunctionState &PFS);
|
|
int ParsePHI(Instruction *&Inst, PerFunctionState &PFS);
|
|
bool ParseLandingPad(Instruction *&Inst, PerFunctionState &PFS);
|
|
bool ParseCall(Instruction *&Inst, PerFunctionState &PFS,
|
|
CallInst::TailCallKind TCK);
|
|
int ParseAlloc(Instruction *&Inst, PerFunctionState &PFS);
|
|
int ParseLoad(Instruction *&Inst, PerFunctionState &PFS);
|
|
int ParseStore(Instruction *&Inst, PerFunctionState &PFS);
|
|
int ParseCmpXchg(Instruction *&Inst, PerFunctionState &PFS);
|
|
int ParseAtomicRMW(Instruction *&Inst, PerFunctionState &PFS);
|
|
int ParseFence(Instruction *&Inst, PerFunctionState &PFS);
|
|
int ParseGetElementPtr(Instruction *&Inst, PerFunctionState &PFS);
|
|
int ParseExtractValue(Instruction *&Inst, PerFunctionState &PFS);
|
|
int ParseInsertValue(Instruction *&Inst, PerFunctionState &PFS);
|
|
|
|
// Use-list order directives.
|
|
bool ParseUseListOrder(PerFunctionState *PFS = nullptr);
|
|
bool ParseUseListOrderBB();
|
|
bool ParseUseListOrderIndexes(SmallVectorImpl<unsigned> &Indexes);
|
|
bool sortUseListOrder(Value *V, ArrayRef<unsigned> Indexes, SMLoc Loc);
|
|
};
|
|
} // End llvm namespace
|
|
|
|
#endif
|