615 lines
26 KiB
C++
615 lines
26 KiB
C++
//===-- LLParser.h - Parser Class -------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines the parser class for .ll files.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_ASMPARSER_LLPARSER_H
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#define LLVM_LIB_ASMPARSER_LLPARSER_H
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#include "LLLexer.h"
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#include "llvm/ADT/Optional.h"
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#include "llvm/ADT/StringMap.h"
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#include "llvm/IR/Attributes.h"
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#include "llvm/IR/Instructions.h"
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#include "llvm/IR/Module.h"
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#include "llvm/IR/ModuleSummaryIndex.h"
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#include "llvm/IR/Operator.h"
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#include "llvm/IR/Type.h"
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#include "llvm/IR/ValueHandle.h"
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#include <map>
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namespace llvm {
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class Module;
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class OpaqueType;
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class Function;
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class Value;
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class BasicBlock;
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class Instruction;
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class Constant;
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class GlobalValue;
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class Comdat;
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class MDString;
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class MDNode;
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struct SlotMapping;
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class StructType;
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/// ValID - Represents a reference of a definition of some sort with no type.
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/// There are several cases where we have to parse the value but where the
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/// type can depend on later context. This may either be a numeric reference
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/// or a symbolic (%var) reference. This is just a discriminated union.
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struct ValID {
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enum {
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t_LocalID, t_GlobalID, // ID in UIntVal.
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t_LocalName, t_GlobalName, // Name in StrVal.
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t_APSInt, t_APFloat, // Value in APSIntVal/APFloatVal.
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t_Null, t_Undef, t_Zero, t_None, // No value.
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t_EmptyArray, // No value: []
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t_Constant, // Value in ConstantVal.
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t_InlineAsm, // Value in FTy/StrVal/StrVal2/UIntVal.
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t_ConstantStruct, // Value in ConstantStructElts.
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t_PackedConstantStruct // Value in ConstantStructElts.
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} Kind = t_LocalID;
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LLLexer::LocTy Loc;
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unsigned UIntVal;
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FunctionType *FTy = nullptr;
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std::string StrVal, StrVal2;
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APSInt APSIntVal;
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APFloat APFloatVal{0.0};
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Constant *ConstantVal;
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std::unique_ptr<Constant *[]> ConstantStructElts;
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ValID() = default;
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ValID(const ValID &RHS)
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: Kind(RHS.Kind), Loc(RHS.Loc), UIntVal(RHS.UIntVal), FTy(RHS.FTy),
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StrVal(RHS.StrVal), StrVal2(RHS.StrVal2), APSIntVal(RHS.APSIntVal),
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APFloatVal(RHS.APFloatVal), ConstantVal(RHS.ConstantVal) {
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assert(!RHS.ConstantStructElts);
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}
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bool operator<(const ValID &RHS) const {
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if (Kind == t_LocalID || Kind == t_GlobalID)
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return UIntVal < RHS.UIntVal;
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assert((Kind == t_LocalName || Kind == t_GlobalName ||
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Kind == t_ConstantStruct || Kind == t_PackedConstantStruct) &&
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"Ordering not defined for this ValID kind yet");
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return StrVal < RHS.StrVal;
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}
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};
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class LLParser {
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public:
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typedef LLLexer::LocTy LocTy;
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private:
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LLVMContext &Context;
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LLLexer Lex;
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// Module being parsed, null if we are only parsing summary index.
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Module *M;
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// Summary index being parsed, null if we are only parsing Module.
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ModuleSummaryIndex *Index;
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SlotMapping *Slots;
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// Instruction metadata resolution. Each instruction can have a list of
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// MDRef info associated with them.
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//
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// The simpler approach of just creating temporary MDNodes and then calling
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// RAUW on them when the definition is processed doesn't work because some
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// instruction metadata kinds, such as dbg, get stored in the IR in an
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// "optimized" format which doesn't participate in the normal value use
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// lists. This means that RAUW doesn't work, even on temporary MDNodes
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// which otherwise support RAUW. Instead, we defer resolving MDNode
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// references until the definitions have been processed.
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struct MDRef {
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SMLoc Loc;
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unsigned MDKind, MDSlot;
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};
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SmallVector<Instruction*, 64> InstsWithTBAATag;
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// Type resolution handling data structures. The location is set when we
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// have processed a use of the type but not a definition yet.
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StringMap<std::pair<Type*, LocTy> > NamedTypes;
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std::map<unsigned, std::pair<Type*, LocTy> > NumberedTypes;
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std::map<unsigned, TrackingMDNodeRef> NumberedMetadata;
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std::map<unsigned, std::pair<TempMDTuple, LocTy>> ForwardRefMDNodes;
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// Global Value reference information.
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std::map<std::string, std::pair<GlobalValue*, LocTy> > ForwardRefVals;
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std::map<unsigned, std::pair<GlobalValue*, LocTy> > ForwardRefValIDs;
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std::vector<GlobalValue*> NumberedVals;
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// Comdat forward reference information.
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std::map<std::string, LocTy> ForwardRefComdats;
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// References to blockaddress. The key is the function ValID, the value is
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// a list of references to blocks in that function.
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std::map<ValID, std::map<ValID, GlobalValue *>> ForwardRefBlockAddresses;
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class PerFunctionState;
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/// Reference to per-function state to allow basic blocks to be
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/// forward-referenced by blockaddress instructions within the same
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/// function.
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PerFunctionState *BlockAddressPFS;
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// Attribute builder reference information.
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std::map<Value*, std::vector<unsigned> > ForwardRefAttrGroups;
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std::map<unsigned, AttrBuilder> NumberedAttrBuilders;
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// Summary global value reference information.
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std::map<unsigned, std::vector<std::pair<ValueInfo *, LocTy>>>
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ForwardRefValueInfos;
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std::map<unsigned, std::vector<std::pair<AliasSummary *, LocTy>>>
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ForwardRefAliasees;
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std::vector<ValueInfo> NumberedValueInfos;
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// Summary type id reference information.
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std::map<unsigned, std::vector<std::pair<GlobalValue::GUID *, LocTy>>>
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ForwardRefTypeIds;
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// Map of module ID to path.
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std::map<unsigned, StringRef> ModuleIdMap;
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/// Only the llvm-as tool may set this to false to bypass
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/// UpgradeDebuginfo so it can generate broken bitcode.
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bool UpgradeDebugInfo;
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/// DataLayout string to override that in LLVM assembly.
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StringRef DataLayoutStr;
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std::string SourceFileName;
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public:
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LLParser(StringRef F, SourceMgr &SM, SMDiagnostic &Err, Module *M,
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ModuleSummaryIndex *Index, LLVMContext &Context,
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SlotMapping *Slots = nullptr, bool UpgradeDebugInfo = true,
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StringRef DataLayoutString = "")
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: Context(Context), Lex(F, SM, Err, Context), M(M), Index(Index),
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Slots(Slots), BlockAddressPFS(nullptr),
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UpgradeDebugInfo(UpgradeDebugInfo), DataLayoutStr(DataLayoutString) {
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if (!DataLayoutStr.empty())
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M->setDataLayout(DataLayoutStr);
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}
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bool Run();
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bool parseStandaloneConstantValue(Constant *&C, const SlotMapping *Slots);
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bool parseTypeAtBeginning(Type *&Ty, unsigned &Read,
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const SlotMapping *Slots);
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LLVMContext &getContext() { return Context; }
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private:
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bool Error(LocTy L, const Twine &Msg) const {
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return Lex.Error(L, Msg);
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}
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bool TokError(const Twine &Msg) const {
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return Error(Lex.getLoc(), Msg);
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}
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/// Restore the internal name and slot mappings using the mappings that
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/// were created at an earlier parsing stage.
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void restoreParsingState(const SlotMapping *Slots);
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/// GetGlobalVal - Get a value with the specified name or ID, creating a
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/// forward reference record if needed. This can return null if the value
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/// exists but does not have the right type.
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GlobalValue *GetGlobalVal(const std::string &N, Type *Ty, LocTy Loc,
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bool IsCall);
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GlobalValue *GetGlobalVal(unsigned ID, Type *Ty, LocTy Loc, bool IsCall);
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/// Get a Comdat with the specified name, creating a forward reference
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/// record if needed.
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Comdat *getComdat(const std::string &Name, LocTy Loc);
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// Helper Routines.
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bool ParseToken(lltok::Kind T, const char *ErrMsg);
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bool EatIfPresent(lltok::Kind T) {
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if (Lex.getKind() != T) return false;
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Lex.Lex();
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return true;
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}
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FastMathFlags EatFastMathFlagsIfPresent() {
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FastMathFlags FMF;
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while (true)
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switch (Lex.getKind()) {
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case lltok::kw_fast: FMF.setFast(); Lex.Lex(); continue;
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case lltok::kw_nnan: FMF.setNoNaNs(); Lex.Lex(); continue;
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case lltok::kw_ninf: FMF.setNoInfs(); Lex.Lex(); continue;
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case lltok::kw_nsz: FMF.setNoSignedZeros(); Lex.Lex(); continue;
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case lltok::kw_arcp: FMF.setAllowReciprocal(); Lex.Lex(); continue;
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case lltok::kw_contract:
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FMF.setAllowContract(true);
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Lex.Lex();
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continue;
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case lltok::kw_reassoc: FMF.setAllowReassoc(); Lex.Lex(); continue;
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case lltok::kw_afn: FMF.setApproxFunc(); Lex.Lex(); continue;
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default: return FMF;
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}
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return FMF;
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}
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bool ParseOptionalToken(lltok::Kind T, bool &Present,
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LocTy *Loc = nullptr) {
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if (Lex.getKind() != T) {
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Present = false;
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} else {
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if (Loc)
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*Loc = Lex.getLoc();
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Lex.Lex();
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Present = true;
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}
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return false;
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}
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bool ParseStringConstant(std::string &Result);
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bool ParseUInt32(unsigned &Val);
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bool ParseUInt32(unsigned &Val, LocTy &Loc) {
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Loc = Lex.getLoc();
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return ParseUInt32(Val);
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}
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bool ParseUInt64(uint64_t &Val);
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bool ParseUInt64(uint64_t &Val, LocTy &Loc) {
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Loc = Lex.getLoc();
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return ParseUInt64(Val);
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}
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bool ParseFlag(unsigned &Val);
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bool ParseStringAttribute(AttrBuilder &B);
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bool ParseTLSModel(GlobalVariable::ThreadLocalMode &TLM);
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bool ParseOptionalThreadLocal(GlobalVariable::ThreadLocalMode &TLM);
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bool ParseOptionalUnnamedAddr(GlobalVariable::UnnamedAddr &UnnamedAddr);
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bool ParseOptionalAddrSpace(unsigned &AddrSpace, unsigned DefaultAS = 0);
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bool ParseOptionalProgramAddrSpace(unsigned &AddrSpace) {
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return ParseOptionalAddrSpace(
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AddrSpace, M->getDataLayout().getProgramAddressSpace());
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};
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bool ParseOptionalParamAttrs(AttrBuilder &B);
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bool ParseOptionalReturnAttrs(AttrBuilder &B);
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bool ParseOptionalLinkage(unsigned &Res, bool &HasLinkage,
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unsigned &Visibility, unsigned &DLLStorageClass,
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bool &DSOLocal);
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void ParseOptionalDSOLocal(bool &DSOLocal);
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void ParseOptionalVisibility(unsigned &Res);
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void ParseOptionalDLLStorageClass(unsigned &Res);
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bool ParseOptionalCallingConv(unsigned &CC);
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bool ParseOptionalAlignment(MaybeAlign &Alignment);
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bool ParseOptionalDerefAttrBytes(lltok::Kind AttrKind, uint64_t &Bytes);
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bool ParseScopeAndOrdering(bool isAtomic, SyncScope::ID &SSID,
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AtomicOrdering &Ordering);
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bool ParseScope(SyncScope::ID &SSID);
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bool ParseOrdering(AtomicOrdering &Ordering);
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bool ParseOptionalStackAlignment(unsigned &Alignment);
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bool ParseOptionalCommaAlign(MaybeAlign &Alignment, bool &AteExtraComma);
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bool ParseOptionalCommaAddrSpace(unsigned &AddrSpace, LocTy &Loc,
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bool &AteExtraComma);
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bool ParseOptionalCommaInAlloca(bool &IsInAlloca);
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bool parseAllocSizeArguments(unsigned &BaseSizeArg,
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Optional<unsigned> &HowManyArg);
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bool ParseIndexList(SmallVectorImpl<unsigned> &Indices,
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bool &AteExtraComma);
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bool ParseIndexList(SmallVectorImpl<unsigned> &Indices) {
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bool AteExtraComma;
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if (ParseIndexList(Indices, AteExtraComma)) return true;
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if (AteExtraComma)
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return TokError("expected index");
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return false;
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}
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// Top-Level Entities
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bool ParseTopLevelEntities();
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bool ValidateEndOfModule();
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bool ValidateEndOfIndex();
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bool ParseTargetDefinition();
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bool ParseModuleAsm();
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bool ParseSourceFileName();
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bool ParseDepLibs(); // FIXME: Remove in 4.0.
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bool ParseUnnamedType();
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bool ParseNamedType();
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bool ParseDeclare();
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bool ParseDefine();
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bool ParseGlobalType(bool &IsConstant);
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bool ParseUnnamedGlobal();
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bool ParseNamedGlobal();
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bool ParseGlobal(const std::string &Name, LocTy NameLoc, unsigned Linkage,
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bool HasLinkage, unsigned Visibility,
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unsigned DLLStorageClass, bool DSOLocal,
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GlobalVariable::ThreadLocalMode TLM,
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GlobalVariable::UnnamedAddr UnnamedAddr);
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bool parseIndirectSymbol(const std::string &Name, LocTy NameLoc,
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unsigned L, unsigned Visibility,
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unsigned DLLStorageClass, bool DSOLocal,
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GlobalVariable::ThreadLocalMode TLM,
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GlobalVariable::UnnamedAddr UnnamedAddr);
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bool parseComdat();
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bool ParseStandaloneMetadata();
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bool ParseNamedMetadata();
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bool ParseMDString(MDString *&Result);
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bool ParseMDNodeID(MDNode *&Result);
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bool ParseUnnamedAttrGrp();
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bool ParseFnAttributeValuePairs(AttrBuilder &B,
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std::vector<unsigned> &FwdRefAttrGrps,
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bool inAttrGrp, LocTy &BuiltinLoc);
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bool ParseByValWithOptionalType(Type *&Result);
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// Module Summary Index Parsing.
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bool SkipModuleSummaryEntry();
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bool ParseSummaryEntry();
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bool ParseModuleEntry(unsigned ID);
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bool ParseModuleReference(StringRef &ModulePath);
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bool ParseGVReference(ValueInfo &VI, unsigned &GVId);
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bool ParseSummaryIndexFlags();
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bool ParseGVEntry(unsigned ID);
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bool ParseFunctionSummary(std::string Name, GlobalValue::GUID, unsigned ID);
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bool ParseVariableSummary(std::string Name, GlobalValue::GUID, unsigned ID);
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bool ParseAliasSummary(std::string Name, GlobalValue::GUID, unsigned ID);
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bool ParseGVFlags(GlobalValueSummary::GVFlags &GVFlags);
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bool ParseGVarFlags(GlobalVarSummary::GVarFlags &GVarFlags);
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bool ParseOptionalFFlags(FunctionSummary::FFlags &FFlags);
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bool ParseOptionalCalls(std::vector<FunctionSummary::EdgeTy> &Calls);
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bool ParseHotness(CalleeInfo::HotnessType &Hotness);
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bool ParseOptionalTypeIdInfo(FunctionSummary::TypeIdInfo &TypeIdInfo);
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bool ParseTypeTests(std::vector<GlobalValue::GUID> &TypeTests);
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bool ParseVFuncIdList(lltok::Kind Kind,
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std::vector<FunctionSummary::VFuncId> &VFuncIdList);
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bool ParseConstVCallList(
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lltok::Kind Kind,
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std::vector<FunctionSummary::ConstVCall> &ConstVCallList);
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using IdToIndexMapType =
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std::map<unsigned, std::vector<std::pair<unsigned, LocTy>>>;
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bool ParseConstVCall(FunctionSummary::ConstVCall &ConstVCall,
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IdToIndexMapType &IdToIndexMap, unsigned Index);
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bool ParseVFuncId(FunctionSummary::VFuncId &VFuncId,
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IdToIndexMapType &IdToIndexMap, unsigned Index);
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bool ParseOptionalVTableFuncs(VTableFuncList &VTableFuncs);
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bool ParseOptionalRefs(std::vector<ValueInfo> &Refs);
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bool ParseTypeIdEntry(unsigned ID);
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bool ParseTypeIdSummary(TypeIdSummary &TIS);
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bool ParseTypeIdCompatibleVtableEntry(unsigned ID);
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bool ParseTypeTestResolution(TypeTestResolution &TTRes);
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bool ParseOptionalWpdResolutions(
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std::map<uint64_t, WholeProgramDevirtResolution> &WPDResMap);
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bool ParseWpdRes(WholeProgramDevirtResolution &WPDRes);
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bool ParseOptionalResByArg(
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std::map<std::vector<uint64_t>, WholeProgramDevirtResolution::ByArg>
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&ResByArg);
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bool ParseArgs(std::vector<uint64_t> &Args);
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void AddGlobalValueToIndex(std::string Name, GlobalValue::GUID,
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GlobalValue::LinkageTypes Linkage, unsigned ID,
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std::unique_ptr<GlobalValueSummary> Summary);
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// Type Parsing.
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bool ParseType(Type *&Result, const Twine &Msg, bool AllowVoid = false);
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bool ParseType(Type *&Result, bool AllowVoid = false) {
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return ParseType(Result, "expected type", AllowVoid);
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}
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bool ParseType(Type *&Result, const Twine &Msg, LocTy &Loc,
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bool AllowVoid = false) {
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Loc = Lex.getLoc();
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return ParseType(Result, Msg, AllowVoid);
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}
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bool ParseType(Type *&Result, LocTy &Loc, bool AllowVoid = false) {
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Loc = Lex.getLoc();
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return ParseType(Result, AllowVoid);
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}
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bool ParseAnonStructType(Type *&Result, bool Packed);
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bool ParseStructBody(SmallVectorImpl<Type*> &Body);
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bool ParseStructDefinition(SMLoc TypeLoc, StringRef Name,
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std::pair<Type*, LocTy> &Entry,
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Type *&ResultTy);
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bool ParseArrayVectorType(Type *&Result, bool isVector);
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bool ParseFunctionType(Type *&Result);
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// Function Semantic Analysis.
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class PerFunctionState {
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LLParser &P;
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Function &F;
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std::map<std::string, std::pair<Value*, LocTy> > ForwardRefVals;
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std::map<unsigned, std::pair<Value*, LocTy> > ForwardRefValIDs;
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std::vector<Value*> NumberedVals;
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/// FunctionNumber - If this is an unnamed function, this is the slot
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/// number of it, otherwise it is -1.
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int FunctionNumber;
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public:
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PerFunctionState(LLParser &p, Function &f, int functionNumber);
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~PerFunctionState();
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Function &getFunction() const { return F; }
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bool FinishFunction();
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/// GetVal - Get a value with the specified name or ID, creating a
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/// forward reference record if needed. This can return null if the value
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/// exists but does not have the right type.
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Value *GetVal(const std::string &Name, Type *Ty, LocTy Loc, bool IsCall);
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Value *GetVal(unsigned ID, Type *Ty, LocTy Loc, bool IsCall);
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/// SetInstName - After an instruction is parsed and inserted into its
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/// basic block, this installs its name.
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bool SetInstName(int NameID, const std::string &NameStr, LocTy NameLoc,
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Instruction *Inst);
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/// GetBB - Get a basic block with the specified name or ID, creating a
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/// forward reference record if needed. This can return null if the value
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/// is not a BasicBlock.
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BasicBlock *GetBB(const std::string &Name, LocTy Loc);
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BasicBlock *GetBB(unsigned ID, LocTy Loc);
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/// DefineBB - Define the specified basic block, which is either named or
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/// unnamed. If there is an error, this returns null otherwise it returns
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/// the block being defined.
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BasicBlock *DefineBB(const std::string &Name, int NameID, LocTy Loc);
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bool resolveForwardRefBlockAddresses();
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};
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bool ConvertValIDToValue(Type *Ty, ValID &ID, Value *&V,
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PerFunctionState *PFS, bool IsCall);
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Value *checkValidVariableType(LocTy Loc, const Twine &Name, Type *Ty,
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Value *Val, bool IsCall);
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bool parseConstantValue(Type *Ty, Constant *&C);
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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 ParseCallBr(Instruction *&Inst, PerFunctionState &PFS);
|
|
|
|
bool ParseUnaryOp(Instruction *&Inst, PerFunctionState &PFS, unsigned Opc,
|
|
bool IsFP);
|
|
bool ParseArithmetic(Instruction *&Inst, PerFunctionState &PFS, unsigned Opc,
|
|
bool IsFP);
|
|
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);
|
|
bool ParseFreeze(Instruction *&I, 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
|