#include "LLLexer.h"
#include "llvm/Module.h"
#include "llvm/Type.h"
+#include "llvm/Support/ValueHandle.h"
#include <map>
namespace llvm {
class MetadataBase;
class MDString;
class MDNode;
- struct ValID;
+ /// 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, // No value.
+ t_EmptyArray, // No value: []
+ t_Constant, // Value in ConstantVal.
+ t_InlineAsm, // Value in StrVal/StrVal2/UIntVal.
+ t_Metadata // Value in MetadataVal.
+ } Kind;
+
+ LLLexer::LocTy Loc;
+ unsigned UIntVal;
+ std::string StrVal, StrVal2;
+ APSInt APSIntVal;
+ APFloat APFloatVal;
+ Constant *ConstantVal;
+ MetadataBase *MetadataVal;
+ ValID() : APFloatVal(0.0) {}
+
+ bool operator<(const ValID &RHS) const {
+ if (Kind == t_LocalID || Kind == t_GlobalID)
+ return UIntVal < RHS.UIntVal;
+ assert((Kind == t_LocalName || Kind == t_GlobalName) &&
+ "Ordering not defined for this ValID kind yet");
+ return StrVal < RHS.StrVal;
+ }
+ };
+
class LLParser {
public:
typedef LLLexer::LocTy LocTy;
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;
+ std::map<unsigned, TrackingVH<MDNode> > MetadataCache;
+ std::map<unsigned, std::pair<TrackingVH<MDNode>, LocTy> > ForwardRefMDNodes;
SmallVector<std::pair<unsigned, MDNode *>, 2> MDsOnInst;
struct UpRefRecord {
/// Loc - This is the location of the upref.
std::map<std::string, std::pair<GlobalValue*, LocTy> > ForwardRefVals;
std::map<unsigned, std::pair<GlobalValue*, LocTy> > ForwardRefValIDs;
std::vector<GlobalValue*> NumberedVals;
+
+ // 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::vector<std::pair<ValID, GlobalValue*> > >
+ ForwardRefBlockAddresses;
+
+ Function *MallocF;
public:
LLParser(MemoryBuffer *F, SourceMgr &SM, SMDiagnostic &Err, Module *m) :
- Context(m->getContext()), Lex(F, SM, Err, m->getContext()), M(m) {}
+ Context(m->getContext()), Lex(F, SM, Err, m->getContext()),
+ M(m), MallocF(NULL) {}
bool Run();
LLVMContext& getContext() { return Context; }
bool ParseAlias(const std::string &Name, LocTy Loc, unsigned Visibility);
bool ParseStandaloneMetadata();
bool ParseNamedMetadata();
- bool ParseMDString(MetadataBase *&S);
- bool ParseMDNode(MetadataBase *&N);
+ bool ParseMDString(MDString *&Result);
+ bool ParseMDNode(MDNode *&Result);
// Type Parsing.
bool ParseType(PATypeHolder &Result, bool AllowVoid = false);
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);
+ PerFunctionState(LLParser &p, Function &f, int FunctionNumber);
~PerFunctionState();
Function &getFunction() const { return F; }
- bool VerifyFunctionComplete();
+ 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
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);
+ }
+
+ bool ParseInlineMetadata(Value *&V, PerFunctionState &PFS);
struct ParamInfo {
LocTy Loc;
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 ParseArithmetic(Instruction *&I, PerFunctionState &PFS, unsigned Opc,
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, unsigned Opc);
- bool ParseFree(Instruction *&I, PerFunctionState &PFS);
+ bool ParseAlloc(Instruction *&I, PerFunctionState &PFS,
+ BasicBlock *BB = 0, bool isAlloca = true);
+ bool ParseFree(Instruction *&I, PerFunctionState &PFS, BasicBlock *BB);
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);
+
+ bool ResolveForwardRefBlockAddresses(Function *TheFn,
+ std::vector<std::pair<ValID, GlobalValue*> > &Refs,
+ PerFunctionState *PFS);
};
} // End llvm namespace