2002-05-09 21:31:18 +00:00
|
|
|
//===-- Writer.cpp - Library for converting LLVM code to C ----------------===//
|
2002-05-08 18:09:58 +00:00
|
|
|
//
|
|
|
|
// This library implements the functionality defined in llvm/Assembly/CWriter.h
|
|
|
|
//
|
|
|
|
// TODO : Recursive types.
|
2002-05-09 02:28:59 +00:00
|
|
|
//
|
2002-05-08 18:09:58 +00:00
|
|
|
//===-----------------------------------------------------------------------==//
|
2002-05-09 02:28:59 +00:00
|
|
|
|
2002-05-08 18:09:58 +00:00
|
|
|
#include "llvm/Assembly/CWriter.h"
|
|
|
|
#include "llvm/Constants.h"
|
2002-05-09 03:28:37 +00:00
|
|
|
#include "llvm/DerivedTypes.h"
|
|
|
|
#include "llvm/Module.h"
|
2002-05-08 18:09:58 +00:00
|
|
|
#include "llvm/iMemory.h"
|
|
|
|
#include "llvm/iTerminators.h"
|
|
|
|
#include "llvm/iPHINode.h"
|
|
|
|
#include "llvm/iOther.h"
|
2002-05-09 03:28:37 +00:00
|
|
|
#include "llvm/iOperators.h"
|
2002-05-08 18:09:58 +00:00
|
|
|
#include "llvm/SymbolTable.h"
|
2002-05-09 21:31:18 +00:00
|
|
|
#include "llvm/SlotCalculator.h"
|
2002-05-08 18:09:58 +00:00
|
|
|
#include "llvm/Support/InstVisitor.h"
|
2002-05-09 20:33:35 +00:00
|
|
|
#include "llvm/Support/InstIterator.h"
|
2002-05-08 18:09:58 +00:00
|
|
|
#include "Support/StringExtras.h"
|
|
|
|
#include "Support/STLExtras.h"
|
|
|
|
#include <algorithm>
|
2002-05-17 04:55:35 +00:00
|
|
|
#include <set>
|
2002-05-08 18:09:58 +00:00
|
|
|
using std::string;
|
|
|
|
using std::map;
|
|
|
|
using std::ostream;
|
|
|
|
|
|
|
|
static std::string getConstStrValue(const Constant* CPV);
|
|
|
|
|
|
|
|
|
|
|
|
static std::string getConstArrayStrValue(const Constant* CPV) {
|
|
|
|
std::string Result;
|
|
|
|
|
|
|
|
// As a special case, print the array as a string if it is an array of
|
|
|
|
// ubytes or an array of sbytes with positive values.
|
|
|
|
//
|
|
|
|
const Type *ETy = cast<ArrayType>(CPV->getType())->getElementType();
|
|
|
|
bool isString = (ETy == Type::SByteTy || ETy == Type::UByteTy);
|
|
|
|
|
2002-05-09 20:53:56 +00:00
|
|
|
// Make sure the last character is a null char, as automatically added by C
|
|
|
|
if (CPV->getNumOperands() == 0 ||
|
|
|
|
!cast<Constant>(*(CPV->op_end()-1))->isNullValue())
|
|
|
|
isString = false;
|
2002-05-08 18:09:58 +00:00
|
|
|
|
|
|
|
if (isString) {
|
|
|
|
Result = "\"";
|
2002-05-09 03:56:52 +00:00
|
|
|
// Do not include the last character, which we know is null
|
|
|
|
for (unsigned i = 0, e = CPV->getNumOperands()-1; i != e; ++i) {
|
2002-05-08 18:09:58 +00:00
|
|
|
unsigned char C = (ETy == Type::SByteTy) ?
|
|
|
|
(unsigned char)cast<ConstantSInt>(CPV->getOperand(i))->getValue() :
|
|
|
|
(unsigned char)cast<ConstantUInt>(CPV->getOperand(i))->getValue();
|
|
|
|
|
|
|
|
if (isprint(C)) {
|
|
|
|
Result += C;
|
|
|
|
} else {
|
2002-05-09 03:56:52 +00:00
|
|
|
switch (C) {
|
|
|
|
case '\n': Result += "\\n"; break;
|
|
|
|
case '\t': Result += "\\t"; break;
|
|
|
|
case '\r': Result += "\\r"; break;
|
|
|
|
case '\v': Result += "\\v"; break;
|
|
|
|
case '\a': Result += "\\a"; break;
|
|
|
|
default:
|
|
|
|
Result += "\\x";
|
|
|
|
Result += ( C/16 < 10) ? ( C/16 +'0') : ( C/16 -10+'A');
|
|
|
|
Result += ((C&15) < 10) ? ((C&15)+'0') : ((C&15)-10+'A');
|
|
|
|
break;
|
|
|
|
}
|
2002-05-08 18:09:58 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
Result += "\"";
|
|
|
|
} else {
|
|
|
|
Result = "{";
|
|
|
|
if (CPV->getNumOperands()) {
|
|
|
|
Result += " " + getConstStrValue(cast<Constant>(CPV->getOperand(0)));
|
|
|
|
for (unsigned i = 1; i < CPV->getNumOperands(); i++)
|
|
|
|
Result += ", " + getConstStrValue(cast<Constant>(CPV->getOperand(i)));
|
|
|
|
}
|
|
|
|
Result += " }";
|
|
|
|
}
|
|
|
|
|
|
|
|
return Result;
|
|
|
|
}
|
|
|
|
|
|
|
|
static std::string getConstStrValue(const Constant* CPV) {
|
2002-05-09 14:40:11 +00:00
|
|
|
switch (CPV->getType()->getPrimitiveID()) {
|
2002-05-09 20:53:56 +00:00
|
|
|
case Type::BoolTyID: return CPV == ConstantBool::False ? "0" : "1";
|
2002-05-09 14:40:11 +00:00
|
|
|
case Type::SByteTyID:
|
|
|
|
case Type::ShortTyID:
|
2002-05-09 20:53:56 +00:00
|
|
|
case Type::IntTyID: return itostr(cast<ConstantSInt>(CPV)->getValue());
|
|
|
|
case Type::LongTyID: return itostr(cast<ConstantSInt>(CPV)->getValue())+"ll";
|
2002-05-09 14:40:11 +00:00
|
|
|
|
|
|
|
case Type::UByteTyID:
|
2002-05-09 20:53:56 +00:00
|
|
|
case Type::UShortTyID:return utostr(cast<ConstantUInt>(CPV)->getValue());
|
|
|
|
case Type::UIntTyID: return utostr(cast<ConstantUInt>(CPV)->getValue())+"u";
|
|
|
|
case Type::ULongTyID:return utostr(cast<ConstantUInt>(CPV)->getValue())+"ull";
|
2002-05-09 14:40:11 +00:00
|
|
|
|
|
|
|
case Type::FloatTyID:
|
2002-05-09 20:53:56 +00:00
|
|
|
case Type::DoubleTyID: return ftostr(cast<ConstantFP>(CPV)->getValue());
|
2002-05-09 14:40:11 +00:00
|
|
|
|
2002-05-09 20:53:56 +00:00
|
|
|
case Type::ArrayTyID: return getConstArrayStrValue(CPV);
|
2002-05-08 18:09:58 +00:00
|
|
|
|
|
|
|
case Type::StructTyID: {
|
2002-05-09 14:40:11 +00:00
|
|
|
std::string Result = "{";
|
|
|
|
if (CPV->getNumOperands()) {
|
|
|
|
Result += " " + getConstStrValue(cast<Constant>(CPV->getOperand(0)));
|
|
|
|
for (unsigned i = 1; i < CPV->getNumOperands(); i++)
|
|
|
|
Result += ", " + getConstStrValue(cast<Constant>(CPV->getOperand(i)));
|
2002-05-08 18:09:58 +00:00
|
|
|
}
|
2002-05-09 14:40:11 +00:00
|
|
|
return Result + " }";
|
2002-05-08 18:09:58 +00:00
|
|
|
}
|
2002-05-09 14:40:11 +00:00
|
|
|
|
2002-05-08 18:09:58 +00:00
|
|
|
default:
|
2002-06-30 16:07:20 +00:00
|
|
|
std::cerr << "Unknown constant type: " << CPV << "\n";
|
2002-05-09 14:40:11 +00:00
|
|
|
abort();
|
2002-05-08 18:09:58 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// Pass the Type* variable and and the variable name and this prints out the
|
|
|
|
// variable declaration.
|
2002-05-09 15:18:52 +00:00
|
|
|
//
|
2002-05-09 02:28:59 +00:00
|
|
|
static string calcTypeNameVar(const Type *Ty,
|
2002-05-09 14:40:11 +00:00
|
|
|
map<const Type *, string> &TypeNames,
|
|
|
|
const string &NameSoFar, bool ignoreName = false){
|
2002-05-08 18:09:58 +00:00
|
|
|
if (Ty->isPrimitiveType())
|
|
|
|
switch (Ty->getPrimitiveID()) {
|
2002-05-09 15:18:52 +00:00
|
|
|
case Type::VoidTyID: return "void " + NameSoFar;
|
|
|
|
case Type::BoolTyID: return "bool " + NameSoFar;
|
|
|
|
case Type::UByteTyID: return "unsigned char " + NameSoFar;
|
|
|
|
case Type::SByteTyID: return "signed char " + NameSoFar;
|
|
|
|
case Type::UShortTyID: return "unsigned short " + NameSoFar;
|
|
|
|
case Type::ShortTyID: return "short " + NameSoFar;
|
|
|
|
case Type::UIntTyID: return "unsigned " + NameSoFar;
|
|
|
|
case Type::IntTyID: return "int " + NameSoFar;
|
|
|
|
case Type::ULongTyID: return "unsigned long long " + NameSoFar;
|
|
|
|
case Type::LongTyID: return "signed long long " + NameSoFar;
|
2002-05-09 20:14:10 +00:00
|
|
|
case Type::FloatTyID: return "float " + NameSoFar;
|
|
|
|
case Type::DoubleTyID: return "double " + NameSoFar;
|
2002-05-08 18:09:58 +00:00
|
|
|
default :
|
2002-06-30 16:07:20 +00:00
|
|
|
std::cerr << "Unknown primitive type: " << Ty << "\n";
|
2002-05-09 15:18:52 +00:00
|
|
|
abort();
|
2002-05-08 18:09:58 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
// Check to see if the type is named.
|
2002-05-09 14:40:11 +00:00
|
|
|
if (!ignoreName) {
|
|
|
|
map<const Type *, string>::iterator I = TypeNames.find(Ty);
|
|
|
|
if (I != TypeNames.end())
|
|
|
|
return I->second + " " + NameSoFar;
|
|
|
|
}
|
2002-05-08 18:09:58 +00:00
|
|
|
|
2002-05-09 14:40:11 +00:00
|
|
|
string Result;
|
2002-05-08 18:09:58 +00:00
|
|
|
switch (Ty->getPrimitiveID()) {
|
|
|
|
case Type::FunctionTyID: {
|
2002-05-09 20:33:35 +00:00
|
|
|
const FunctionType *MTy = cast<FunctionType>(Ty);
|
2002-05-09 14:40:11 +00:00
|
|
|
Result += calcTypeNameVar(MTy->getReturnType(), TypeNames, "");
|
2002-05-09 20:33:35 +00:00
|
|
|
Result += " " + NameSoFar + " (";
|
2002-05-08 18:09:58 +00:00
|
|
|
for (FunctionType::ParamTypes::const_iterator
|
|
|
|
I = MTy->getParamTypes().begin(),
|
|
|
|
E = MTy->getParamTypes().end(); I != E; ++I) {
|
|
|
|
if (I != MTy->getParamTypes().begin())
|
|
|
|
Result += ", ";
|
2002-05-09 14:40:11 +00:00
|
|
|
Result += calcTypeNameVar(*I, TypeNames, "");
|
2002-05-08 18:09:58 +00:00
|
|
|
}
|
|
|
|
if (MTy->isVarArg()) {
|
|
|
|
if (!MTy->getParamTypes().empty())
|
|
|
|
Result += ", ";
|
|
|
|
Result += "...";
|
|
|
|
}
|
2002-05-09 20:53:56 +00:00
|
|
|
return Result + ")";
|
2002-05-08 18:09:58 +00:00
|
|
|
}
|
|
|
|
case Type::StructTyID: {
|
|
|
|
const StructType *STy = cast<const StructType>(Ty);
|
2002-05-09 15:49:41 +00:00
|
|
|
Result = NameSoFar + " {\n";
|
|
|
|
unsigned indx = 0;
|
2002-05-08 18:09:58 +00:00
|
|
|
for (StructType::ElementTypes::const_iterator
|
|
|
|
I = STy->getElementTypes().begin(),
|
|
|
|
E = STy->getElementTypes().end(); I != E; ++I) {
|
2002-05-09 15:49:41 +00:00
|
|
|
Result += " " +calcTypeNameVar(*I, TypeNames, "field" + utostr(indx++));
|
|
|
|
Result += ";\n";
|
2002-05-08 18:09:58 +00:00
|
|
|
}
|
2002-05-09 20:53:56 +00:00
|
|
|
return Result + "}";
|
2002-05-08 18:09:58 +00:00
|
|
|
}
|
|
|
|
|
2002-05-09 21:31:18 +00:00
|
|
|
case Type::PointerTyID:
|
2002-05-09 20:53:56 +00:00
|
|
|
return calcTypeNameVar(cast<const PointerType>(Ty)->getElementType(),
|
|
|
|
TypeNames, "*" + NameSoFar);
|
2002-05-08 18:09:58 +00:00
|
|
|
|
|
|
|
case Type::ArrayTyID: {
|
|
|
|
const ArrayType *ATy = cast<const ArrayType>(Ty);
|
|
|
|
int NumElements = ATy->getNumElements();
|
2002-05-09 20:53:56 +00:00
|
|
|
return calcTypeNameVar(ATy->getElementType(), TypeNames,
|
|
|
|
NameSoFar + "[" + itostr(NumElements) + "]");
|
2002-05-08 18:09:58 +00:00
|
|
|
}
|
|
|
|
default:
|
|
|
|
assert(0 && "Unhandled case in getTypeProps!");
|
2002-05-09 20:53:56 +00:00
|
|
|
abort();
|
2002-05-08 18:09:58 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
return Result;
|
|
|
|
}
|
|
|
|
|
|
|
|
namespace {
|
2002-05-09 20:53:56 +00:00
|
|
|
class CWriter : public InstVisitor<CWriter> {
|
2002-05-08 18:09:58 +00:00
|
|
|
ostream& Out;
|
|
|
|
SlotCalculator &Table;
|
|
|
|
const Module *TheModule;
|
|
|
|
map<const Type *, string> TypeNames;
|
2002-05-17 04:55:35 +00:00
|
|
|
std::set<const Value*> MangledGlobals;
|
2002-05-08 18:09:58 +00:00
|
|
|
public:
|
|
|
|
inline CWriter(ostream &o, SlotCalculator &Tab, const Module *M)
|
|
|
|
: Out(o), Table(Tab), TheModule(M) {
|
|
|
|
}
|
|
|
|
|
2002-05-09 15:49:41 +00:00
|
|
|
inline void write(Module *M) { printModule(M); }
|
2002-05-08 18:09:58 +00:00
|
|
|
|
2002-05-09 21:31:18 +00:00
|
|
|
ostream& printType(const Type *Ty, const string &VariableName = "") {
|
2002-05-09 14:40:11 +00:00
|
|
|
return Out << calcTypeNameVar(Ty, TypeNames, VariableName);
|
2002-05-09 03:06:06 +00:00
|
|
|
}
|
|
|
|
|
2002-06-25 15:57:03 +00:00
|
|
|
void writeOperand(Value *Operand);
|
|
|
|
void writeOperandInternal(Value *Operand);
|
2002-05-08 18:09:58 +00:00
|
|
|
|
2002-05-09 03:06:06 +00:00
|
|
|
string getValueName(const Value *V);
|
|
|
|
|
2002-05-09 20:53:56 +00:00
|
|
|
private :
|
2002-05-09 15:49:41 +00:00
|
|
|
void printModule(Module *M);
|
2002-05-08 18:09:58 +00:00
|
|
|
void printSymbolTable(const SymbolTable &ST);
|
|
|
|
void printGlobal(const GlobalVariable *GV);
|
2002-05-09 02:28:59 +00:00
|
|
|
void printFunctionSignature(const Function *F);
|
|
|
|
void printFunctionDecl(const Function *F); // Print just the forward decl
|
2002-05-08 18:09:58 +00:00
|
|
|
|
2002-05-09 15:49:41 +00:00
|
|
|
void printFunction(Function *);
|
2002-05-09 03:06:06 +00:00
|
|
|
|
2002-05-09 21:18:38 +00:00
|
|
|
// isInlinableInst - Attempt to inline instructions into their uses to build
|
|
|
|
// trees as much as possible. To do this, we have to consistently decide
|
|
|
|
// what is acceptable to inline, so that variable declarations don't get
|
|
|
|
// printed and an extra copy of the expr is not emitted.
|
|
|
|
//
|
2002-06-25 15:57:03 +00:00
|
|
|
static bool isInlinableInst(const Instruction &I) {
|
2002-05-09 21:18:38 +00:00
|
|
|
// Must be an expression, must be used exactly once. If it is dead, we
|
|
|
|
// emit it inline where it would go.
|
2002-06-25 15:57:03 +00:00
|
|
|
if (I.getType() == Type::VoidTy || I.use_size() != 1 ||
|
2002-05-09 21:18:38 +00:00
|
|
|
isa<TerminatorInst>(I) || isa<CallInst>(I) || isa<PHINode>(I))
|
|
|
|
return false;
|
|
|
|
|
|
|
|
// Only inline instruction it it's use is in the same BB as the inst.
|
2002-06-25 15:57:03 +00:00
|
|
|
return I.getParent() == cast<Instruction>(I.use_back())->getParent();
|
2002-05-09 21:18:38 +00:00
|
|
|
}
|
|
|
|
|
2002-05-09 20:53:56 +00:00
|
|
|
// Instruction visitation functions
|
|
|
|
friend class InstVisitor<CWriter>;
|
2002-05-08 18:09:58 +00:00
|
|
|
|
2002-06-25 15:57:03 +00:00
|
|
|
void visitReturnInst(ReturnInst &I);
|
|
|
|
void visitBranchInst(BranchInst &I);
|
2002-05-08 18:09:58 +00:00
|
|
|
|
2002-06-25 15:57:03 +00:00
|
|
|
void visitPHINode(PHINode &I) {}
|
|
|
|
void visitNot(GenericUnaryInst &I);
|
|
|
|
void visitBinaryOperator(Instruction &I);
|
2002-05-08 18:09:58 +00:00
|
|
|
|
2002-06-25 15:57:03 +00:00
|
|
|
void visitCastInst (CastInst &I);
|
|
|
|
void visitCallInst (CallInst &I);
|
|
|
|
void visitShiftInst(ShiftInst &I) { visitBinaryOperator(I); }
|
2002-05-09 20:53:56 +00:00
|
|
|
|
2002-06-25 15:57:03 +00:00
|
|
|
void visitMallocInst(MallocInst &I);
|
|
|
|
void visitAllocaInst(AllocaInst &I);
|
|
|
|
void visitFreeInst (FreeInst &I);
|
|
|
|
void visitLoadInst (LoadInst &I);
|
|
|
|
void visitStoreInst (StoreInst &I);
|
|
|
|
void visitGetElementPtrInst(GetElementPtrInst &I);
|
2002-05-09 15:49:41 +00:00
|
|
|
|
2002-06-25 15:57:03 +00:00
|
|
|
void visitInstruction(Instruction &I) {
|
2002-06-30 16:07:20 +00:00
|
|
|
std::cerr << "C Writer does not know about " << I;
|
2002-05-09 20:53:56 +00:00
|
|
|
abort();
|
2002-05-09 15:49:41 +00:00
|
|
|
}
|
2002-05-09 20:14:10 +00:00
|
|
|
|
2002-05-09 20:53:56 +00:00
|
|
|
void outputLValue(Instruction *I) {
|
|
|
|
Out << " " << getValueName(I) << " = ";
|
2002-05-08 18:09:58 +00:00
|
|
|
}
|
2002-05-09 20:53:56 +00:00
|
|
|
void printBranchToBlock(BasicBlock *CurBlock, BasicBlock *SuccBlock,
|
|
|
|
unsigned Indent);
|
2002-06-25 15:57:03 +00:00
|
|
|
void printIndexingExpr(MemAccessInst &MAI);
|
2002-05-09 20:53:56 +00:00
|
|
|
};
|
2002-05-09 03:50:42 +00:00
|
|
|
}
|
|
|
|
|
2002-05-09 04:21:21 +00:00
|
|
|
// We dont want identifier names with ., space, - in them.
|
|
|
|
// So we replace them with _
|
|
|
|
static string makeNameProper(string x) {
|
|
|
|
string tmp;
|
|
|
|
for (string::iterator sI = x.begin(), sEnd = x.end(); sI != sEnd; sI++)
|
|
|
|
switch (*sI) {
|
2002-05-09 15:18:52 +00:00
|
|
|
case '.': tmp += "d_"; break;
|
|
|
|
case ' ': tmp += "s_"; break;
|
|
|
|
case '-': tmp += "D_"; break;
|
2002-05-09 04:21:21 +00:00
|
|
|
default: tmp += *sI;
|
|
|
|
}
|
|
|
|
|
|
|
|
return tmp;
|
|
|
|
}
|
|
|
|
|
2002-05-09 03:06:06 +00:00
|
|
|
string CWriter::getValueName(const Value *V) {
|
2002-06-25 15:57:03 +00:00
|
|
|
if (V->hasName()) { // Print out the label if it exists...
|
|
|
|
if (isa<GlobalValue>(V) && // Do not mangle globals...
|
|
|
|
cast<GlobalValue>(V)->hasExternalLinkage() && // Unless it's internal or
|
|
|
|
!MangledGlobals.count(V)) // Unless the name would collide if we don't
|
2002-05-09 04:21:21 +00:00
|
|
|
return makeNameProper(V->getName());
|
|
|
|
|
2002-05-09 05:16:40 +00:00
|
|
|
return "l" + utostr(V->getType()->getUniqueID()) + "_" +
|
|
|
|
makeNameProper(V->getName());
|
2002-05-09 04:21:21 +00:00
|
|
|
}
|
2002-05-09 03:06:06 +00:00
|
|
|
|
|
|
|
int Slot = Table.getValSlot(V);
|
|
|
|
assert(Slot >= 0 && "Invalid value!");
|
2002-05-09 05:16:40 +00:00
|
|
|
return "ltmp_" + itostr(Slot) + "_" + utostr(V->getType()->getUniqueID());
|
2002-05-09 03:06:06 +00:00
|
|
|
}
|
|
|
|
|
2002-06-25 15:57:03 +00:00
|
|
|
void CWriter::writeOperandInternal(Value *Operand) {
|
2002-05-09 20:53:56 +00:00
|
|
|
if (Operand->hasName()) {
|
|
|
|
Out << getValueName(Operand);
|
2002-06-25 15:57:03 +00:00
|
|
|
} else if (Constant *CPV = dyn_cast<Constant>(Operand)) {
|
2002-05-09 20:53:56 +00:00
|
|
|
if (isa<ConstantPointerNull>(CPV)) {
|
|
|
|
Out << "((";
|
2002-05-09 21:31:18 +00:00
|
|
|
printType(CPV->getType(), "");
|
2002-05-09 20:53:56 +00:00
|
|
|
Out << ")NULL)";
|
|
|
|
} else
|
|
|
|
Out << getConstStrValue(CPV);
|
|
|
|
} else {
|
|
|
|
int Slot = Table.getValSlot(Operand);
|
|
|
|
assert(Slot >= 0 && "Malformed LLVM!");
|
|
|
|
Out << "ltmp_" << Slot << "_" << Operand->getType()->getUniqueID();
|
|
|
|
}
|
2002-05-09 21:18:38 +00:00
|
|
|
}
|
|
|
|
|
2002-06-25 15:57:03 +00:00
|
|
|
void CWriter::writeOperand(Value *Operand) {
|
2002-05-09 21:18:38 +00:00
|
|
|
if (Instruction *I = dyn_cast<Instruction>(Operand))
|
2002-06-25 15:57:03 +00:00
|
|
|
if (isInlinableInst(*I)) {
|
2002-05-09 21:18:38 +00:00
|
|
|
// Should we inline this instruction to build a tree?
|
|
|
|
Out << "(";
|
2002-06-25 15:57:03 +00:00
|
|
|
visit(*I);
|
2002-05-09 21:18:38 +00:00
|
|
|
Out << ")";
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (isa<GlobalVariable>(Operand))
|
|
|
|
Out << "(&"; // Global variables are references as their addresses by llvm
|
|
|
|
|
|
|
|
writeOperandInternal(Operand);
|
2002-05-09 20:53:56 +00:00
|
|
|
|
|
|
|
if (isa<GlobalVariable>(Operand))
|
|
|
|
Out << ")";
|
|
|
|
}
|
|
|
|
|
2002-05-09 15:49:41 +00:00
|
|
|
void CWriter::printModule(Module *M) {
|
2002-05-17 04:55:35 +00:00
|
|
|
// Calculate which global values have names that will collide when we throw
|
|
|
|
// away type information.
|
2002-05-21 21:10:04 +00:00
|
|
|
{ // Scope to delete the FoundNames set when we are done with it...
|
2002-05-17 04:55:35 +00:00
|
|
|
std::set<string> FoundNames;
|
|
|
|
for (Module::iterator I = M->begin(), E = M->end(); I != E; ++I)
|
2002-06-25 15:57:03 +00:00
|
|
|
if (I->hasName()) // If the global has a name...
|
|
|
|
if (FoundNames.count(I->getName())) // And the name is already used
|
|
|
|
MangledGlobals.insert(I); // Mangle the name
|
2002-05-17 04:55:35 +00:00
|
|
|
else
|
2002-06-25 15:57:03 +00:00
|
|
|
FoundNames.insert(I->getName()); // Otherwise, keep track of name
|
2002-05-17 04:55:35 +00:00
|
|
|
|
|
|
|
for (Module::giterator I = M->gbegin(), E = M->gend(); I != E; ++I)
|
2002-06-25 15:57:03 +00:00
|
|
|
if (I->hasName()) // If the global has a name...
|
|
|
|
if (FoundNames.count(I->getName())) // And the name is already used
|
|
|
|
MangledGlobals.insert(I); // Mangle the name
|
2002-05-17 04:55:35 +00:00
|
|
|
else
|
2002-06-25 15:57:03 +00:00
|
|
|
FoundNames.insert(I->getName()); // Otherwise, keep track of name
|
2002-05-17 04:55:35 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2002-05-08 18:09:58 +00:00
|
|
|
// printing stdlib inclusion
|
|
|
|
// Out << "#include <stdlib.h>\n";
|
|
|
|
|
2002-05-09 02:28:59 +00:00
|
|
|
// get declaration for alloca
|
|
|
|
Out << "/* Provide Declarations */\n"
|
2002-05-21 21:10:04 +00:00
|
|
|
<< "#include <malloc.h>\n"
|
2002-05-09 03:06:06 +00:00
|
|
|
<< "#include <alloca.h>\n\n"
|
2002-05-09 02:28:59 +00:00
|
|
|
|
|
|
|
// Provide a definition for null if one does not already exist.
|
2002-05-09 03:06:06 +00:00
|
|
|
<< "#ifndef NULL\n#define NULL 0\n#endif\n\n"
|
2002-05-09 02:28:59 +00:00
|
|
|
<< "typedef unsigned char bool;\n"
|
|
|
|
|
|
|
|
<< "\n\n/* Global Symbols */\n";
|
|
|
|
|
2002-05-08 18:09:58 +00:00
|
|
|
// Loop over the symbol table, emitting all named constants...
|
|
|
|
if (M->hasSymbolTable())
|
|
|
|
printSymbolTable(*M->getSymbolTable());
|
|
|
|
|
2002-05-09 02:28:59 +00:00
|
|
|
Out << "\n\n/* Global Data */\n";
|
2002-06-25 15:57:03 +00:00
|
|
|
for (Module::giterator I = M->gbegin(), E = M->gend(); I != E; ++I) {
|
|
|
|
if (I->hasInternalLinkage()) Out << "static ";
|
|
|
|
printType(I->getType()->getElementType(), getValueName(I));
|
2002-05-09 15:18:52 +00:00
|
|
|
|
2002-06-25 15:57:03 +00:00
|
|
|
if (I->hasInitializer()) {
|
2002-05-09 15:18:52 +00:00
|
|
|
Out << " = " ;
|
2002-06-25 15:57:03 +00:00
|
|
|
writeOperand(I->getInitializer());
|
2002-05-09 15:18:52 +00:00
|
|
|
}
|
|
|
|
Out << ";\n";
|
|
|
|
}
|
2002-05-08 18:09:58 +00:00
|
|
|
|
2002-05-09 02:28:59 +00:00
|
|
|
// First output all the declarations of the functions as C requires Functions
|
2002-05-08 18:09:58 +00:00
|
|
|
// be declared before they are used.
|
2002-05-09 02:28:59 +00:00
|
|
|
//
|
|
|
|
Out << "\n\n/* Function Declarations */\n";
|
2002-06-25 15:57:03 +00:00
|
|
|
for (Module::iterator I = M->begin(), E = M->end(); I != E; ++I)
|
|
|
|
printFunctionDecl(I);
|
2002-05-08 18:09:58 +00:00
|
|
|
|
2002-05-09 02:28:59 +00:00
|
|
|
// Output all of the functions...
|
|
|
|
Out << "\n\n/* Function Bodies */\n";
|
2002-06-25 15:57:03 +00:00
|
|
|
for (Module::iterator I = M->begin(), E = M->end(); I != E; ++I)
|
|
|
|
printFunction(I);
|
2002-05-08 18:09:58 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// printSymbolTable - Run through symbol table looking for named constants
|
|
|
|
// if a named constant is found, emit it's declaration...
|
|
|
|
// Assuming that symbol table has only types and constants.
|
|
|
|
void CWriter::printSymbolTable(const SymbolTable &ST) {
|
|
|
|
for (SymbolTable::const_iterator TI = ST.begin(); TI != ST.end(); ++TI) {
|
|
|
|
SymbolTable::type_const_iterator I = ST.type_begin(TI->first);
|
|
|
|
SymbolTable::type_const_iterator End = ST.type_end(TI->first);
|
|
|
|
|
2002-05-09 14:40:11 +00:00
|
|
|
for (; I != End; ++I)
|
2002-06-25 15:57:03 +00:00
|
|
|
if (const Type *Ty = dyn_cast<StructType>(I->second)) {
|
|
|
|
string Name = "struct l_" + makeNameProper(I->first);
|
2002-05-09 14:40:11 +00:00
|
|
|
Out << Name << ";\n";
|
|
|
|
|
|
|
|
TypeNames.insert(std::make_pair(Ty, Name));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
Out << "\n";
|
|
|
|
|
|
|
|
for (SymbolTable::const_iterator TI = ST.begin(); TI != ST.end(); ++TI) {
|
|
|
|
SymbolTable::type_const_iterator I = ST.type_begin(TI->first);
|
|
|
|
SymbolTable::type_const_iterator End = ST.type_end(TI->first);
|
|
|
|
|
2002-05-08 18:09:58 +00:00
|
|
|
for (; I != End; ++I) {
|
|
|
|
const Value *V = I->second;
|
2002-06-25 15:57:03 +00:00
|
|
|
if (const Type *Ty = dyn_cast<Type>(V)) {
|
|
|
|
string Name = "l_" + makeNameProper(I->first);
|
2002-05-09 20:14:10 +00:00
|
|
|
if (isa<StructType>(Ty))
|
2002-06-25 15:57:03 +00:00
|
|
|
Name = "struct " + makeNameProper(Name);
|
2002-05-09 20:14:10 +00:00
|
|
|
else
|
|
|
|
Out << "typedef ";
|
|
|
|
|
2002-05-09 14:40:11 +00:00
|
|
|
Out << calcTypeNameVar(Ty, TypeNames, Name, true) << ";\n";
|
2002-05-08 18:09:58 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2002-05-09 14:40:11 +00:00
|
|
|
|
2002-05-09 02:28:59 +00:00
|
|
|
// printFunctionDecl - Print function declaration
|
2002-05-08 18:09:58 +00:00
|
|
|
//
|
2002-05-09 02:28:59 +00:00
|
|
|
void CWriter::printFunctionDecl(const Function *F) {
|
|
|
|
printFunctionSignature(F);
|
|
|
|
Out << ";\n";
|
|
|
|
}
|
|
|
|
|
|
|
|
void CWriter::printFunctionSignature(const Function *F) {
|
|
|
|
if (F->hasInternalLinkage()) Out << "static ";
|
2002-05-08 18:09:58 +00:00
|
|
|
|
|
|
|
// Loop over the arguments, printing them...
|
2002-05-09 02:28:59 +00:00
|
|
|
const FunctionType *FT = cast<FunctionType>(F->getFunctionType());
|
2002-05-08 18:09:58 +00:00
|
|
|
|
2002-05-09 02:28:59 +00:00
|
|
|
// Print out the return type and name...
|
2002-05-09 04:39:00 +00:00
|
|
|
printType(F->getReturnType());
|
2002-05-09 20:14:10 +00:00
|
|
|
Out << getValueName(F) << "(";
|
2002-05-08 18:09:58 +00:00
|
|
|
|
2002-05-09 02:28:59 +00:00
|
|
|
if (!F->isExternal()) {
|
2002-06-25 15:57:03 +00:00
|
|
|
if (!F->aempty()) {
|
|
|
|
printType(F->afront().getType(), getValueName(F->abegin()));
|
2002-05-09 15:18:52 +00:00
|
|
|
|
2002-06-25 15:57:03 +00:00
|
|
|
for (Function::const_aiterator I = ++F->abegin(), E = F->aend();
|
|
|
|
I != E; ++I) {
|
2002-05-09 15:18:52 +00:00
|
|
|
Out << ", ";
|
2002-06-25 15:57:03 +00:00
|
|
|
printType(I->getType(), getValueName(I));
|
2002-05-09 15:18:52 +00:00
|
|
|
}
|
|
|
|
}
|
2002-05-08 18:09:58 +00:00
|
|
|
} else {
|
|
|
|
// Loop over the arguments, printing them...
|
|
|
|
for (FunctionType::ParamTypes::const_iterator I =
|
2002-05-09 02:28:59 +00:00
|
|
|
FT->getParamTypes().begin(),
|
|
|
|
E = FT->getParamTypes().end(); I != E; ++I) {
|
|
|
|
if (I != FT->getParamTypes().begin()) Out << ", ";
|
2002-05-09 04:39:00 +00:00
|
|
|
printType(*I);
|
2002-05-08 18:09:58 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// Finish printing arguments...
|
2002-05-09 02:28:59 +00:00
|
|
|
if (FT->isVarArg()) {
|
|
|
|
if (FT->getParamTypes().size()) Out << ", ";
|
2002-05-08 18:09:58 +00:00
|
|
|
Out << "..."; // Output varargs portion of signature!
|
|
|
|
}
|
2002-05-09 02:28:59 +00:00
|
|
|
Out << ")";
|
2002-05-08 18:09:58 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2002-05-09 15:49:41 +00:00
|
|
|
void CWriter::printFunction(Function *F) {
|
2002-05-09 02:28:59 +00:00
|
|
|
if (F->isExternal()) return;
|
2002-05-08 18:09:58 +00:00
|
|
|
|
2002-05-09 03:12:34 +00:00
|
|
|
Table.incorporateFunction(F);
|
|
|
|
|
2002-05-09 15:49:41 +00:00
|
|
|
printFunctionSignature(F);
|
|
|
|
Out << " {\n";
|
|
|
|
|
2002-05-09 20:39:03 +00:00
|
|
|
// print local variable information for the function
|
2002-05-09 20:33:35 +00:00
|
|
|
for (inst_iterator I = inst_begin(F), E = inst_end(F); I != E; ++I)
|
2002-06-25 15:57:03 +00:00
|
|
|
if ((*I)->getType() != Type::VoidTy && !isInlinableInst(**I)) {
|
2002-05-09 02:28:59 +00:00
|
|
|
Out << " ";
|
2002-05-09 21:31:18 +00:00
|
|
|
printType((*I)->getType(), getValueName(*I));
|
2002-05-09 02:28:59 +00:00
|
|
|
Out << ";\n";
|
2002-05-08 18:09:58 +00:00
|
|
|
}
|
2002-05-09 02:28:59 +00:00
|
|
|
|
|
|
|
// print the basic blocks
|
2002-06-25 15:57:03 +00:00
|
|
|
for (Function::iterator BB = F->begin(), E = F->end(); BB != E; ++BB) {
|
|
|
|
BasicBlock *Prev = BB->getPrev();
|
2002-05-09 15:49:41 +00:00
|
|
|
|
|
|
|
// Don't print the label for the basic block if there are no uses, or if the
|
|
|
|
// only terminator use is the precessor basic block's terminator. We have
|
|
|
|
// to scan the use list because PHI nodes use basic blocks too but do not
|
|
|
|
// require a label to be generated.
|
|
|
|
//
|
|
|
|
bool NeedsLabel = false;
|
|
|
|
for (Value::use_iterator UI = BB->use_begin(), UE = BB->use_end();
|
|
|
|
UI != UE; ++UI)
|
|
|
|
if (TerminatorInst *TI = dyn_cast<TerminatorInst>(*UI))
|
|
|
|
if (TI != Prev->getTerminator()) {
|
|
|
|
NeedsLabel = true;
|
|
|
|
break;
|
|
|
|
}
|
2002-05-08 18:09:58 +00:00
|
|
|
|
2002-05-09 15:49:41 +00:00
|
|
|
if (NeedsLabel) Out << getValueName(BB) << ":\n";
|
2002-05-08 18:09:58 +00:00
|
|
|
|
2002-05-09 15:49:41 +00:00
|
|
|
// Output all of the instructions in the basic block...
|
2002-06-25 15:57:03 +00:00
|
|
|
for (BasicBlock::iterator II = BB->begin(), E = --BB->end(); II != E; ++II){
|
2002-05-09 21:18:38 +00:00
|
|
|
if (!isInlinableInst(*II) && !isa<PHINode>(*II)) {
|
2002-06-25 15:57:03 +00:00
|
|
|
if (II->getType() != Type::VoidTy)
|
|
|
|
outputLValue(II);
|
2002-05-09 21:18:38 +00:00
|
|
|
else
|
|
|
|
Out << " ";
|
2002-06-25 15:57:03 +00:00
|
|
|
visit(*II);
|
2002-05-09 21:18:38 +00:00
|
|
|
Out << ";\n";
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// Don't emit prefix or suffix for the terminator...
|
2002-06-25 15:57:03 +00:00
|
|
|
visit(*BB->getTerminator());
|
2002-05-09 15:49:41 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
Out << "}\n\n";
|
|
|
|
Table.purgeFunction();
|
2002-05-08 18:09:58 +00:00
|
|
|
}
|
|
|
|
|
2002-05-09 20:53:56 +00:00
|
|
|
// Specific Instruction type classes... note that all of the casts are
|
|
|
|
// neccesary because we use the instruction classes as opaque types...
|
|
|
|
//
|
2002-06-25 15:57:03 +00:00
|
|
|
void CWriter::visitReturnInst(ReturnInst &I) {
|
2002-05-09 20:53:56 +00:00
|
|
|
// Don't output a void return if this is the last basic block in the function
|
2002-06-25 15:57:03 +00:00
|
|
|
if (I.getNumOperands() == 0 &&
|
|
|
|
&*--I.getParent()->getParent()->end() == I.getParent() &&
|
|
|
|
!I.getParent()->size() == 1) {
|
2002-05-09 20:53:56 +00:00
|
|
|
return;
|
2002-05-21 18:05:19 +00:00
|
|
|
}
|
2002-05-09 03:50:42 +00:00
|
|
|
|
2002-05-09 20:53:56 +00:00
|
|
|
Out << " return";
|
2002-06-25 15:57:03 +00:00
|
|
|
if (I.getNumOperands()) {
|
2002-05-09 20:53:56 +00:00
|
|
|
Out << " ";
|
2002-06-25 15:57:03 +00:00
|
|
|
writeOperand(I.getOperand(0));
|
2002-05-09 20:53:56 +00:00
|
|
|
}
|
|
|
|
Out << ";\n";
|
|
|
|
}
|
|
|
|
|
|
|
|
static bool isGotoCodeNeccessary(BasicBlock *From, BasicBlock *To) {
|
|
|
|
// If PHI nodes need copies, we need the copy code...
|
|
|
|
if (isa<PHINode>(To->front()) ||
|
2002-06-25 15:57:03 +00:00
|
|
|
From->getNext() != To) // Not directly successor, need goto
|
2002-05-09 20:53:56 +00:00
|
|
|
return true;
|
|
|
|
|
|
|
|
// Otherwise we don't need the code.
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
void CWriter::printBranchToBlock(BasicBlock *CurBB, BasicBlock *Succ,
|
|
|
|
unsigned Indent) {
|
|
|
|
for (BasicBlock::iterator I = Succ->begin();
|
2002-06-25 15:57:03 +00:00
|
|
|
PHINode *PN = dyn_cast<PHINode>(&*I); ++I) {
|
2002-05-09 20:53:56 +00:00
|
|
|
// now we have to do the printing
|
|
|
|
Out << string(Indent, ' ');
|
|
|
|
outputLValue(PN);
|
|
|
|
writeOperand(PN->getIncomingValue(PN->getBasicBlockIndex(CurBB)));
|
|
|
|
Out << "; /* for PHI node */\n";
|
|
|
|
}
|
|
|
|
|
2002-06-25 15:57:03 +00:00
|
|
|
if (CurBB->getNext() != Succ) {
|
2002-05-09 20:53:56 +00:00
|
|
|
Out << string(Indent, ' ') << " goto ";
|
|
|
|
writeOperand(Succ);
|
|
|
|
Out << ";\n";
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// Brach instruction printing - Avoid printing out a brach to a basic block that
|
|
|
|
// immediately succeeds the current one.
|
|
|
|
//
|
2002-06-25 15:57:03 +00:00
|
|
|
void CWriter::visitBranchInst(BranchInst &I) {
|
|
|
|
if (I.isConditional()) {
|
|
|
|
if (isGotoCodeNeccessary(I.getParent(), I.getSuccessor(0))) {
|
2002-05-09 20:53:56 +00:00
|
|
|
Out << " if (";
|
2002-06-25 15:57:03 +00:00
|
|
|
writeOperand(I.getCondition());
|
2002-05-09 20:53:56 +00:00
|
|
|
Out << ") {\n";
|
|
|
|
|
2002-06-25 15:57:03 +00:00
|
|
|
printBranchToBlock(I.getParent(), I.getSuccessor(0), 2);
|
2002-05-09 20:53:56 +00:00
|
|
|
|
2002-06-25 15:57:03 +00:00
|
|
|
if (isGotoCodeNeccessary(I.getParent(), I.getSuccessor(1))) {
|
2002-05-09 20:53:56 +00:00
|
|
|
Out << " } else {\n";
|
2002-06-25 15:57:03 +00:00
|
|
|
printBranchToBlock(I.getParent(), I.getSuccessor(1), 2);
|
2002-05-09 20:53:56 +00:00
|
|
|
}
|
|
|
|
} else {
|
|
|
|
// First goto not neccesary, assume second one is...
|
|
|
|
Out << " if (!";
|
2002-06-25 15:57:03 +00:00
|
|
|
writeOperand(I.getCondition());
|
2002-05-09 20:53:56 +00:00
|
|
|
Out << ") {\n";
|
|
|
|
|
2002-06-25 15:57:03 +00:00
|
|
|
printBranchToBlock(I.getParent(), I.getSuccessor(1), 2);
|
2002-05-09 20:53:56 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
Out << " }\n";
|
2002-05-09 03:50:42 +00:00
|
|
|
} else {
|
2002-06-25 15:57:03 +00:00
|
|
|
printBranchToBlock(I.getParent(), I.getSuccessor(0), 0);
|
2002-05-09 02:28:59 +00:00
|
|
|
}
|
2002-05-09 20:53:56 +00:00
|
|
|
Out << "\n";
|
|
|
|
}
|
2002-05-09 03:50:42 +00:00
|
|
|
|
2002-05-09 20:53:56 +00:00
|
|
|
|
2002-06-25 15:57:03 +00:00
|
|
|
void CWriter::visitNot(GenericUnaryInst &I) {
|
2002-05-09 20:53:56 +00:00
|
|
|
Out << "~";
|
2002-06-25 15:57:03 +00:00
|
|
|
writeOperand(I.getOperand(0));
|
2002-05-09 20:53:56 +00:00
|
|
|
}
|
|
|
|
|
2002-06-25 15:57:03 +00:00
|
|
|
void CWriter::visitBinaryOperator(Instruction &I) {
|
2002-05-09 20:53:56 +00:00
|
|
|
// binary instructions, shift instructions, setCond instructions.
|
2002-06-25 15:57:03 +00:00
|
|
|
if (isa<PointerType>(I.getType())) {
|
2002-05-09 20:53:56 +00:00
|
|
|
Out << "(";
|
2002-06-25 15:57:03 +00:00
|
|
|
printType(I.getType());
|
2002-05-09 03:50:42 +00:00
|
|
|
Out << ")";
|
2002-05-09 20:53:56 +00:00
|
|
|
}
|
|
|
|
|
2002-06-25 15:57:03 +00:00
|
|
|
if (isa<PointerType>(I.getType())) Out << "(long long)";
|
|
|
|
writeOperand(I.getOperand(0));
|
2002-05-09 20:53:56 +00:00
|
|
|
|
2002-06-25 15:57:03 +00:00
|
|
|
switch (I.getOpcode()) {
|
2002-05-09 20:53:56 +00:00
|
|
|
case Instruction::Add: Out << " + "; break;
|
|
|
|
case Instruction::Sub: Out << " - "; break;
|
|
|
|
case Instruction::Mul: Out << "*"; break;
|
|
|
|
case Instruction::Div: Out << "/"; break;
|
|
|
|
case Instruction::Rem: Out << "%"; break;
|
|
|
|
case Instruction::And: Out << " & "; break;
|
|
|
|
case Instruction::Or: Out << " | "; break;
|
|
|
|
case Instruction::Xor: Out << " ^ "; break;
|
|
|
|
case Instruction::SetEQ: Out << " == "; break;
|
|
|
|
case Instruction::SetNE: Out << " != "; break;
|
|
|
|
case Instruction::SetLE: Out << " <= "; break;
|
|
|
|
case Instruction::SetGE: Out << " >= "; break;
|
|
|
|
case Instruction::SetLT: Out << " < "; break;
|
|
|
|
case Instruction::SetGT: Out << " > "; break;
|
|
|
|
case Instruction::Shl : Out << " << "; break;
|
|
|
|
case Instruction::Shr : Out << " >> "; break;
|
2002-06-30 16:07:20 +00:00
|
|
|
default: std::cerr << "Invalid operator type!" << I; abort();
|
2002-05-09 20:53:56 +00:00
|
|
|
}
|
|
|
|
|
2002-06-25 15:57:03 +00:00
|
|
|
if (isa<PointerType>(I.getType())) Out << "(long long)";
|
|
|
|
writeOperand(I.getOperand(1));
|
2002-05-09 20:53:56 +00:00
|
|
|
}
|
|
|
|
|
2002-06-25 15:57:03 +00:00
|
|
|
void CWriter::visitCastInst(CastInst &I) {
|
2002-05-09 20:53:56 +00:00
|
|
|
Out << "(";
|
2002-06-25 15:57:03 +00:00
|
|
|
printType(I.getType());
|
2002-05-09 20:53:56 +00:00
|
|
|
Out << ")";
|
2002-06-25 15:57:03 +00:00
|
|
|
writeOperand(I.getOperand(0));
|
2002-05-09 20:53:56 +00:00
|
|
|
}
|
|
|
|
|
2002-06-25 15:57:03 +00:00
|
|
|
void CWriter::visitCallInst(CallInst &I) {
|
|
|
|
const PointerType *PTy = cast<PointerType>(I.getCalledValue()->getType());
|
2002-05-09 20:53:56 +00:00
|
|
|
const FunctionType *FTy = cast<FunctionType>(PTy->getElementType());
|
|
|
|
const Type *RetTy = FTy->getReturnType();
|
|
|
|
|
2002-06-25 15:57:03 +00:00
|
|
|
Out << getValueName(I.getOperand(0)) << "(";
|
2002-05-09 20:53:56 +00:00
|
|
|
|
2002-06-25 15:57:03 +00:00
|
|
|
if (I.getNumOperands() > 1) {
|
|
|
|
writeOperand(I.getOperand(1));
|
2002-05-09 20:53:56 +00:00
|
|
|
|
2002-06-25 15:57:03 +00:00
|
|
|
for (unsigned op = 2, Eop = I.getNumOperands(); op != Eop; ++op) {
|
2002-05-09 20:53:56 +00:00
|
|
|
Out << ", ";
|
2002-06-25 15:57:03 +00:00
|
|
|
writeOperand(I.getOperand(op));
|
2002-05-09 20:53:56 +00:00
|
|
|
}
|
|
|
|
}
|
2002-05-09 21:18:38 +00:00
|
|
|
Out << ")";
|
2002-05-09 20:53:56 +00:00
|
|
|
}
|
|
|
|
|
2002-06-25 15:57:03 +00:00
|
|
|
void CWriter::visitMallocInst(MallocInst &I) {
|
2002-05-09 20:53:56 +00:00
|
|
|
Out << "(";
|
2002-06-25 15:57:03 +00:00
|
|
|
printType(I.getType());
|
2002-05-09 20:53:56 +00:00
|
|
|
Out << ")malloc(sizeof(";
|
2002-06-25 15:57:03 +00:00
|
|
|
printType(I.getType()->getElementType());
|
2002-05-09 20:53:56 +00:00
|
|
|
Out << ")";
|
|
|
|
|
2002-06-25 15:57:03 +00:00
|
|
|
if (I.isArrayAllocation()) {
|
2002-05-09 20:53:56 +00:00
|
|
|
Out << " * " ;
|
2002-06-25 15:57:03 +00:00
|
|
|
writeOperand(I.getOperand(0));
|
2002-05-09 20:53:56 +00:00
|
|
|
}
|
2002-05-09 21:18:38 +00:00
|
|
|
Out << ")";
|
2002-05-09 20:53:56 +00:00
|
|
|
}
|
|
|
|
|
2002-06-25 15:57:03 +00:00
|
|
|
void CWriter::visitAllocaInst(AllocaInst &I) {
|
2002-05-09 20:53:56 +00:00
|
|
|
Out << "(";
|
2002-06-25 15:57:03 +00:00
|
|
|
printType(I.getType());
|
2002-05-09 20:53:56 +00:00
|
|
|
Out << ") alloca(sizeof(";
|
2002-06-25 15:57:03 +00:00
|
|
|
printType(I.getType()->getElementType());
|
2002-05-09 20:53:56 +00:00
|
|
|
Out << ")";
|
2002-06-25 15:57:03 +00:00
|
|
|
if (I.isArrayAllocation()) {
|
2002-05-09 20:53:56 +00:00
|
|
|
Out << " * " ;
|
2002-06-25 15:57:03 +00:00
|
|
|
writeOperand(I.getOperand(0));
|
2002-05-09 20:53:56 +00:00
|
|
|
}
|
2002-05-09 21:18:38 +00:00
|
|
|
Out << ")";
|
2002-05-09 20:53:56 +00:00
|
|
|
}
|
|
|
|
|
2002-06-25 15:57:03 +00:00
|
|
|
void CWriter::visitFreeInst(FreeInst &I) {
|
2002-05-09 21:18:38 +00:00
|
|
|
Out << "free(";
|
2002-06-25 15:57:03 +00:00
|
|
|
writeOperand(I.getOperand(0));
|
2002-05-09 21:18:38 +00:00
|
|
|
Out << ")";
|
2002-05-09 20:53:56 +00:00
|
|
|
}
|
|
|
|
|
2002-06-25 15:57:03 +00:00
|
|
|
void CWriter::printIndexingExpr(MemAccessInst &MAI) {
|
|
|
|
MemAccessInst::op_iterator I = MAI.idx_begin(), E = MAI.idx_end();
|
2002-05-09 21:18:38 +00:00
|
|
|
if (I == E) {
|
|
|
|
// If accessing a global value with no indexing, avoid *(&GV) syndrome
|
2002-06-25 15:57:03 +00:00
|
|
|
if (GlobalValue *V = dyn_cast<GlobalValue>(MAI.getPointerOperand())) {
|
2002-05-09 21:18:38 +00:00
|
|
|
writeOperandInternal(V);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2002-05-09 20:53:56 +00:00
|
|
|
Out << "*"; // Implicit zero first argument: '*x' is equivalent to 'x[0]'
|
2002-05-09 21:18:38 +00:00
|
|
|
}
|
2002-05-09 20:53:56 +00:00
|
|
|
|
2002-06-25 15:57:03 +00:00
|
|
|
writeOperand(MAI.getPointerOperand());
|
2002-05-09 20:53:56 +00:00
|
|
|
|
|
|
|
if (I == E) return;
|
|
|
|
|
|
|
|
// Print out the -> operator if possible...
|
2002-06-25 15:57:03 +00:00
|
|
|
const Constant *CI = dyn_cast<Constant>(I->get());
|
2002-05-09 20:53:56 +00:00
|
|
|
if (CI && CI->isNullValue() && I+1 != E &&
|
|
|
|
(*(I+1))->getType() == Type::UByteTy) {
|
2002-05-09 21:18:38 +00:00
|
|
|
Out << "->field" << cast<ConstantUInt>(*(I+1))->getValue();
|
|
|
|
I += 2;
|
2002-05-09 20:53:56 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
for (; I != E; ++I)
|
|
|
|
if ((*I)->getType() == Type::UIntTy) {
|
|
|
|
Out << "[";
|
|
|
|
writeOperand(*I);
|
|
|
|
Out << "]";
|
|
|
|
} else {
|
|
|
|
Out << ".field" << cast<ConstantUInt>(*I)->getValue();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2002-06-25 15:57:03 +00:00
|
|
|
void CWriter::visitLoadInst(LoadInst &I) {
|
2002-05-09 20:53:56 +00:00
|
|
|
printIndexingExpr(I);
|
2002-05-08 18:09:58 +00:00
|
|
|
}
|
|
|
|
|
2002-06-25 15:57:03 +00:00
|
|
|
void CWriter::visitStoreInst(StoreInst &I) {
|
2002-05-09 20:53:56 +00:00
|
|
|
printIndexingExpr(I);
|
|
|
|
Out << " = ";
|
2002-06-25 15:57:03 +00:00
|
|
|
writeOperand(I.getOperand(0));
|
2002-05-09 20:53:56 +00:00
|
|
|
}
|
|
|
|
|
2002-06-25 15:57:03 +00:00
|
|
|
void CWriter::visitGetElementPtrInst(GetElementPtrInst &I) {
|
2002-05-09 20:53:56 +00:00
|
|
|
Out << "&";
|
|
|
|
printIndexingExpr(I);
|
|
|
|
}
|
2002-05-08 18:09:58 +00:00
|
|
|
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// External Interface declaration
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
|
2002-05-09 03:12:34 +00:00
|
|
|
void WriteToC(const Module *M, ostream &Out) {
|
|
|
|
assert(M && "You can't write a null module!!");
|
|
|
|
SlotCalculator SlotTable(M, false);
|
|
|
|
CWriter W(Out, SlotTable, M);
|
2002-05-09 15:49:41 +00:00
|
|
|
W.write((Module*)M);
|
2002-05-08 18:09:58 +00:00
|
|
|
Out.flush();
|
|
|
|
}
|