llvm-6502/lib/AsmParser/LLParser.h
Victor Hernandez 13ad5aaaff Autoupgrade malloc insts to malloc calls.
Update testcases that rely on malloc insts being present.

Also prematurely remove MallocInst handling from IndMemRemoval and RaiseAllocations to help pass tests in this incremental step.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84292 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-17 00:00:19 +00:00

294 lines
11 KiB
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//===-- 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_ASMPARSER_LLPARSER_H
#define LLVM_ASMPARSER_LLPARSER_H
#include "LLLexer.h"
#include "llvm/Module.h"
#include "llvm/Type.h"
#include <map>
namespace llvm {
class Module;
class OpaqueType;
class Function;
class Value;
class BasicBlock;
class Instruction;
class Constant;
class GlobalValue;
class MetadataBase;
class MDString;
class MDNode;
struct ValID;
class LLParser {
public:
typedef LLLexer::LocTy LocTy;
private:
LLVMContext& Context;
LLLexer Lex;
Module *M;
// Type resolution handling data structures.
std::map<std::string, std::pair<PATypeHolder, LocTy> > ForwardRefTypes;
std::map<unsigned, std::pair<PATypeHolder, LocTy> > ForwardRefTypeIDs;
std::vector<PATypeHolder> NumberedTypes;
/// MetadataCache - This map keeps track of parsed metadata constants.
std::map<unsigned, MetadataBase *> MetadataCache;
std::map<unsigned, std::pair<MetadataBase *, LocTy> > ForwardRefMDNodes;
SmallVector<std::pair<unsigned, MDNode *>, 2> MDsOnInst;
struct UpRefRecord {
/// Loc - This is the location of the upref.
LocTy Loc;
/// NestingLevel - The number of nesting levels that need to be popped
/// before this type is resolved.
unsigned NestingLevel;
/// LastContainedTy - This is the type at the current binding level for
/// the type. Every time we reduce the nesting level, this gets updated.
const Type *LastContainedTy;
/// UpRefTy - This is the actual opaque type that the upreference is
/// represented with.
OpaqueType *UpRefTy;
UpRefRecord(LocTy L, unsigned NL, OpaqueType *URTy)
: Loc(L), NestingLevel(NL), LastContainedTy((Type*)URTy),
UpRefTy(URTy) {}
};
std::vector<UpRefRecord> UpRefs;
// 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;
Function* MallocF;
public:
LLParser(MemoryBuffer *F, SourceMgr &SM, SMDiagnostic &Err, Module *m) :
Context(m->getContext()), Lex(F, SM, Err, m->getContext()),
M(m), MallocF(NULL) {}
bool Run();
LLVMContext& getContext() { return Context; }
private:
bool Error(LocTy L, const std::string &Msg) const {
return Lex.Error(L, Msg);
}
bool TokError(const std::string &Msg) const {
return Error(Lex.getLoc(), Msg);
}
/// 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, const Type *Ty, LocTy Loc);
GlobalValue *GetGlobalVal(unsigned ID, const Type *Ty, 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;
}
bool ParseOptionalToken(lltok::Kind T, bool &Present) {
if (Lex.getKind() != T) {
Present = false;
} else {
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 ParseOptionalAddrSpace(unsigned &AddrSpace);
bool ParseOptionalAttrs(unsigned &Attrs, unsigned AttrKind);
bool ParseOptionalLinkage(unsigned &Linkage, bool &HasLinkage);
bool ParseOptionalLinkage(unsigned &Linkage) {
bool HasLinkage; return ParseOptionalLinkage(Linkage, HasLinkage);
}
bool ParseOptionalVisibility(unsigned &Visibility);
bool ParseOptionalCallingConv(CallingConv::ID &CC);
bool ParseOptionalAlignment(unsigned &Alignment);
bool ParseOptionalCustomMetadata();
bool ParseOptionalInfo(unsigned &Alignment);
bool ParseIndexList(SmallVectorImpl<unsigned> &Indices);
// Top-Level Entities
bool ParseTopLevelEntities();
bool ValidateEndOfModule();
bool ParseTargetDefinition();
bool ParseDepLibs();
bool ParseModuleAsm();
bool ParseUnnamedType();
bool ParseNamedType();
bool ParseDeclare();
bool ParseDefine();
bool ParseGlobalType(bool &IsConstant);
bool ParseUnnamedGlobal();
bool ParseNamedGlobal();
bool ParseGlobal(const std::string &Name, LocTy Loc, unsigned Linkage,
bool HasLinkage, unsigned Visibility);
bool ParseAlias(const std::string &Name, LocTy Loc, unsigned Visibility);
bool ParseStandaloneMetadata();
bool ParseNamedMetadata();
bool ParseMDString(MetadataBase *&S);
bool ParseMDNode(MetadataBase *&N);
// Type Parsing.
bool ParseType(PATypeHolder &Result, bool AllowVoid = false);
bool ParseType(PATypeHolder &Result, LocTy &Loc, bool AllowVoid = false) {
Loc = Lex.getLoc();
return ParseType(Result, AllowVoid);
}
bool ParseTypeRec(PATypeHolder &H);
bool ParseStructType(PATypeHolder &H, bool Packed);
bool ParseArrayVectorType(PATypeHolder &H, bool isVector);
bool ParseFunctionType(PATypeHolder &Result);
PATypeHolder HandleUpRefs(const Type *Ty);
// Constants.
bool ParseValID(ValID &ID);
bool ConvertGlobalValIDToValue(const Type *Ty, ValID &ID, Constant *&V);
bool ParseGlobalValue(const Type *Ty, Constant *&V);
bool ParseGlobalTypeAndValue(Constant *&V);
bool ParseGlobalValueVector(SmallVectorImpl<Constant*> &Elts);
bool ParseMDNodeVector(SmallVectorImpl<Value*> &);
// 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;
public:
PerFunctionState(LLParser &p, Function &f);
~PerFunctionState();
Function &getFunction() const { return F; }
bool VerifyFunctionComplete();
/// 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, const Type *Ty, LocTy Loc);
Value *GetVal(unsigned ID, const Type *Ty, LocTy Loc);
/// 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 ConvertValIDToValue(const Type *Ty, ValID &ID, Value *&V,
PerFunctionState &PFS);
bool ParseValue(const Type *Ty, Value *&V, PerFunctionState &PFS);
bool ParseValue(const 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, LocTy &Loc, PerFunctionState &PFS) {
Loc = Lex.getLoc();
return ParseTypeAndValue(V, PFS);
}
struct ParamInfo {
LocTy Loc;
Value *V;
unsigned Attrs;
ParamInfo(LocTy loc, Value *v, unsigned attrs)
: Loc(loc), V(v), Attrs(attrs) {}
};
bool ParseParameterList(SmallVectorImpl<ParamInfo> &ArgList,
PerFunctionState &PFS);
// Function Parsing.
struct ArgInfo {
LocTy Loc;
PATypeHolder Type;
unsigned Attrs;
std::string Name;
ArgInfo(LocTy L, PATypeHolder Ty, unsigned Attr, const std::string &N)
: Loc(L), Type(Ty), Attrs(Attr), Name(N) {}
};
bool ParseArgumentList(std::vector<ArgInfo> &ArgList,
bool &isVarArg, bool inType);
bool ParseFunctionHeader(Function *&Fn, bool isDefine);
bool ParseFunctionBody(Function &Fn);
bool ParseBasicBlock(PerFunctionState &PFS);
// Instruction Parsing.
bool ParseInstruction(Instruction *&Inst, BasicBlock *BB,
PerFunctionState &PFS);
bool ParseCmpPredicate(unsigned &Pred, unsigned Opc);
bool ParseRet(Instruction *&Inst, BasicBlock *BB, PerFunctionState &PFS);
bool ParseBr(Instruction *&Inst, PerFunctionState &PFS);
bool ParseSwitch(Instruction *&Inst, PerFunctionState &PFS);
bool ParseInvoke(Instruction *&Inst, PerFunctionState &PFS);
bool ParseArithmetic(Instruction *&I, PerFunctionState &PFS, unsigned Opc,
unsigned OperandType);
bool ParseLogical(Instruction *&I, PerFunctionState &PFS, unsigned Opc);
bool ParseCompare(Instruction *&I, PerFunctionState &PFS, unsigned Opc);
bool ParseCast(Instruction *&I, PerFunctionState &PFS, unsigned Opc);
bool ParseSelect(Instruction *&I, PerFunctionState &PFS);
bool ParseVA_Arg(Instruction *&I, PerFunctionState &PFS);
bool ParseExtractElement(Instruction *&I, PerFunctionState &PFS);
bool ParseInsertElement(Instruction *&I, PerFunctionState &PFS);
bool ParseShuffleVector(Instruction *&I, PerFunctionState &PFS);
bool ParsePHI(Instruction *&I, PerFunctionState &PFS);
bool ParseCall(Instruction *&I, PerFunctionState &PFS, bool isTail);
bool ParseAlloc(Instruction *&I, PerFunctionState &PFS,
BasicBlock *BB = 0, bool isAlloca = true);
bool ParseFree(Instruction *&I, PerFunctionState &PFS);
bool ParseLoad(Instruction *&I, PerFunctionState &PFS, bool isVolatile);
bool ParseStore(Instruction *&I, PerFunctionState &PFS, bool isVolatile);
bool ParseGetResult(Instruction *&I, PerFunctionState &PFS);
bool ParseGetElementPtr(Instruction *&I, PerFunctionState &PFS);
bool ParseExtractValue(Instruction *&I, PerFunctionState &PFS);
bool ParseInsertValue(Instruction *&I, PerFunctionState &PFS);
};
} // End llvm namespace
#endif