// This library implements the functionality defined in llvm/Assembly/Writer.h
//
// Note that these routines must be extremely tolerant of various errors in the
-// LLVM code, because of of the primary uses of it is for debugging
-// transformations.
+// LLVM code, because it can be used for debugging transformations.
//
//===----------------------------------------------------------------------===//
#include "llvm/Assembly/CachedWriter.h"
#include "llvm/Assembly/Writer.h"
+#include "llvm/Assembly/PrintModulePass.h"
#include "llvm/SlotCalculator.h"
+#include "llvm/DerivedTypes.h"
+#include "llvm/Instruction.h"
#include "llvm/Module.h"
-#include "llvm/Function.h"
-#include "llvm/GlobalVariable.h"
-#include "llvm/BasicBlock.h"
#include "llvm/Constants.h"
#include "llvm/iMemory.h"
#include "llvm/iTerminators.h"
#include "llvm/iPHINode.h"
#include "llvm/iOther.h"
#include "llvm/SymbolTable.h"
-#include "llvm/Argument.h"
+#include "llvm/Support/CFG.h"
#include "Support/StringExtras.h"
#include "Support/STLExtras.h"
#include <algorithm>
-using std::string;
-using std::map;
-using std::vector;
-using std::ostream;
-static void WriteAsOperandInternal(ostream &Out, const Value *V, bool PrintName,
- map<const Type *, string> &TypeTable,
+static RegisterPass<PrintModulePass>
+X("printm", "Print module to stderr",PassInfo::Analysis|PassInfo::Optimization);
+static RegisterPass<PrintFunctionPass>
+Y("print","Print function to stderr",PassInfo::Analysis|PassInfo::Optimization);
+
+static void WriteAsOperandInternal(std::ostream &Out, const Value *V,
+ bool PrintName,
+ std::map<const Type *, std::string> &TypeTable,
SlotCalculator *Table);
static const Module *getModuleFromVal(const Value *V) {
- if (const Argument *MA = dyn_cast<const Argument>(V))
+ if (const Argument *MA = dyn_cast<Argument>(V))
return MA->getParent() ? MA->getParent()->getParent() : 0;
- else if (const BasicBlock *BB = dyn_cast<const BasicBlock>(V))
+ else if (const BasicBlock *BB = dyn_cast<BasicBlock>(V))
return BB->getParent() ? BB->getParent()->getParent() : 0;
- else if (const Instruction *I = dyn_cast<const Instruction>(V)) {
+ else if (const Instruction *I = dyn_cast<Instruction>(V)) {
const Function *M = I->getParent() ? I->getParent()->getParent() : 0;
return M ? M->getParent() : 0;
- } else if (const GlobalValue *GV = dyn_cast<const GlobalValue>(V))
+ } else if (const GlobalValue *GV = dyn_cast<GlobalValue>(V))
return GV->getParent();
return 0;
}
static SlotCalculator *createSlotCalculator(const Value *V) {
assert(!isa<Type>(V) && "Can't create an SC for a type!");
- if (const Argument *FA = dyn_cast<const Argument>(V)) {
+ if (const Argument *FA = dyn_cast<Argument>(V)) {
return new SlotCalculator(FA->getParent(), true);
- } else if (const Instruction *I = dyn_cast<const Instruction>(V)) {
+ } else if (const Instruction *I = dyn_cast<Instruction>(V)) {
return new SlotCalculator(I->getParent()->getParent(), true);
- } else if (const BasicBlock *BB = dyn_cast<const BasicBlock>(V)) {
+ } else if (const BasicBlock *BB = dyn_cast<BasicBlock>(V)) {
return new SlotCalculator(BB->getParent(), true);
- } else if (const GlobalVariable *GV = dyn_cast<const GlobalVariable>(V)){
+ } else if (const GlobalVariable *GV = dyn_cast<GlobalVariable>(V)){
return new SlotCalculator(GV->getParent(), true);
- } else if (const Function *Func = dyn_cast<const Function>(V)) {
+ } else if (const Function *Func = dyn_cast<Function>(V)) {
return new SlotCalculator(Func, true);
}
return 0;
}
+// getLLVMName - Turn the specified string into an 'LLVM name', which is either
+// prefixed with % (if the string only contains simple characters) or is
+// surrounded with ""'s (if it has special chars in it).
+static std::string getLLVMName(const std::string &Name) {
+ assert(!Name.empty() && "Cannot get empty name!");
+
+ // First character cannot start with a number...
+ if (Name[0] >= '0' && Name[0] <= '9')
+ return "\"" + Name + "\"";
+
+ // Scan to see if we have any characters that are not on the "white list"
+ for (unsigned i = 0, e = Name.size(); i != e; ++i) {
+ char C = Name[i];
+ assert(C != '"' && "Illegal character in LLVM value name!");
+ if ((C < 'a' || C > 'z') && (C < 'A' || C > 'Z') && (C < '0' || C > '9') &&
+ C != '-' && C != '.' && C != '_')
+ return "\"" + Name + "\"";
+ }
+
+ // If we get here, then the identifier is legal to use as a "VarID".
+ return "%"+Name;
+}
+
// If the module has a symbol table, take all global types and stuff their
// names into the TypeNames map.
//
static void fillTypeNameTable(const Module *M,
- map<const Type *, string> &TypeNames) {
- if (M && M->hasSymbolTable()) {
- const SymbolTable *ST = M->getSymbolTable();
- SymbolTable::const_iterator PI = ST->find(Type::TypeTy);
- if (PI != ST->end()) {
- SymbolTable::type_const_iterator I = PI->second.begin();
- for (; I != PI->second.end(); ++I) {
- // As a heuristic, don't insert pointer to primitive types, because
- // they are used too often to have a single useful name.
- //
- const Type *Ty = cast<const Type>(I->second);
- if (!isa<PointerType>(Ty) ||
- !cast<PointerType>(Ty)->getElementType()->isPrimitiveType())
- TypeNames.insert(std::make_pair(Ty, "%"+I->first));
- }
+ std::map<const Type *, std::string> &TypeNames) {
+ if (!M) return;
+ const SymbolTable &ST = M->getSymbolTable();
+ SymbolTable::const_iterator PI = ST.find(Type::TypeTy);
+ if (PI != ST.end()) {
+ SymbolTable::type_const_iterator I = PI->second.begin();
+ for (; I != PI->second.end(); ++I) {
+ // As a heuristic, don't insert pointer to primitive types, because
+ // they are used too often to have a single useful name.
+ //
+ const Type *Ty = cast<Type>(I->second);
+ if (!isa<PointerType>(Ty) ||
+ !cast<PointerType>(Ty)->getElementType()->isPrimitiveType())
+ TypeNames.insert(std::make_pair(Ty, getLLVMName(I->first)));
}
}
}
-static string calcTypeName(const Type *Ty, vector<const Type *> &TypeStack,
- map<const Type *, string> &TypeNames) {
+static std::string calcTypeName(const Type *Ty,
+ std::vector<const Type *> &TypeStack,
+ std::map<const Type *, std::string> &TypeNames){
if (Ty->isPrimitiveType()) return Ty->getDescription(); // Base case
// Check to see if the type is named.
- map<const Type *, string>::iterator I = TypeNames.find(Ty);
+ std::map<const Type *, std::string>::iterator I = TypeNames.find(Ty);
if (I != TypeNames.end()) return I->second;
// Check to see if the Type is already on the stack...
TypeStack.push_back(Ty); // Recursive case: Add us to the stack..
- string Result;
+ std::string Result;
switch (Ty->getPrimitiveID()) {
case Type::FunctionTyID: {
- const FunctionType *FTy = cast<const FunctionType>(Ty);
+ const FunctionType *FTy = cast<FunctionType>(Ty);
Result = calcTypeName(FTy->getReturnType(), TypeStack, TypeNames) + " (";
for (FunctionType::ParamTypes::const_iterator
I = FTy->getParamTypes().begin(),
break;
}
case Type::StructTyID: {
- const StructType *STy = cast<const StructType>(Ty);
+ const StructType *STy = cast<StructType>(Ty);
Result = "{ ";
for (StructType::ElementTypes::const_iterator
I = STy->getElementTypes().begin(),
break;
}
case Type::PointerTyID:
- Result = calcTypeName(cast<const PointerType>(Ty)->getElementType(),
+ Result = calcTypeName(cast<PointerType>(Ty)->getElementType(),
TypeStack, TypeNames) + "*";
break;
case Type::ArrayTyID: {
- const ArrayType *ATy = cast<const ArrayType>(Ty);
+ const ArrayType *ATy = cast<ArrayType>(Ty);
Result = "[" + utostr(ATy->getNumElements()) + " x ";
Result += calcTypeName(ATy->getElementType(), TypeStack, TypeNames) + "]";
break;
}
+ case Type::OpaqueTyID:
+ Result = "opaque";
+ break;
default:
- assert(0 && "Unhandled case in getTypeProps!");
- Result = "<error>";
+ Result = "<unrecognized-type>";
}
TypeStack.pop_back(); // Remove self from stack...
// printTypeInt - The internal guts of printing out a type that has a
// potentially named portion.
//
-static ostream &printTypeInt(ostream &Out, const Type *Ty,
- map<const Type *, string> &TypeNames) {
+static std::ostream &printTypeInt(std::ostream &Out, const Type *Ty,
+ std::map<const Type *, std::string> &TypeNames) {
// Primitive types always print out their description, regardless of whether
// they have been named or not.
//
if (Ty->isPrimitiveType()) return Out << Ty->getDescription();
// Check to see if the type is named.
- map<const Type *, string>::iterator I = TypeNames.find(Ty);
+ std::map<const Type *, std::string>::iterator I = TypeNames.find(Ty);
if (I != TypeNames.end()) return Out << I->second;
// Otherwise we have a type that has not been named but is a derived type.
// Carefully recurse the type hierarchy to print out any contained symbolic
// names.
//
- vector<const Type *> TypeStack;
- string TypeName = calcTypeName(Ty, TypeStack, TypeNames);
+ std::vector<const Type *> TypeStack;
+ std::string TypeName = calcTypeName(Ty, TypeStack, TypeNames);
TypeNames.insert(std::make_pair(Ty, TypeName));//Cache type name for later use
return Out << TypeName;
}
// type, iff there is an entry in the modules symbol table for the specified
// type or one of it's component types. This is slower than a simple x << Type;
//
-ostream &WriteTypeSymbolic(ostream &Out, const Type *Ty, const Module *M) {
+std::ostream &WriteTypeSymbolic(std::ostream &Out, const Type *Ty,
+ const Module *M) {
Out << " ";
// If they want us to print out a type, attempt to make it symbolic if there
// is a symbol table in the module...
- if (M && M->hasSymbolTable()) {
- map<const Type *, string> TypeNames;
+ if (M) {
+ std::map<const Type *, std::string> TypeNames;
fillTypeNameTable(M, TypeNames);
return printTypeInt(Out, Ty, TypeNames);
}
}
-static void WriteConstantInt(ostream &Out, const Constant *CV, bool PrintName,
- map<const Type *, string> &TypeTable,
+static void WriteConstantInt(std::ostream &Out, const Constant *CV,
+ bool PrintName,
+ std::map<const Type *, std::string> &TypeTable,
SlotCalculator *Table) {
if (const ConstantBool *CB = dyn_cast<ConstantBool>(CV)) {
Out << (CB == ConstantBool::True ? "true" : "false");
//
if ((StrVal[0] >= '0' && StrVal[0] <= '9') ||
((StrVal[0] == '-' || StrVal[0] == '+') &&
- (StrVal[0] >= '0' && StrVal[0] <= '9')))
+ (StrVal[1] >= '0' && StrVal[1] <= '9')))
// Reparse stringized version!
if (atof(StrVal.c_str()) == CFP->getValue()) {
Out << StrVal; return;
Out << "0x" << utohexstr(*(uint64_t*)Ptr);
} else if (const ConstantArray *CA = dyn_cast<ConstantArray>(CV)) {
+ if (CA->getNumOperands() > 5 && CA->isNullValue()) {
+ Out << "zeroinitializer";
+ return;
+ }
+
// 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.
//
if (isString) {
Out << "c\"";
for (unsigned i = 0; i < CA->getNumOperands(); ++i) {
- unsigned char C = (ETy == Type::SByteTy) ?
- (unsigned char)cast<ConstantSInt>(CA->getOperand(i))->getValue() :
- (unsigned char)cast<ConstantUInt>(CA->getOperand(i))->getValue();
+ unsigned char C = cast<ConstantInt>(CA->getOperand(i))->getRawValue();
- if (isprint(C)) {
+ if (isprint(C) && C != '"' && C != '\\') {
Out << C;
} else {
Out << '\\'
Out << " ]";
}
} else if (const ConstantStruct *CS = dyn_cast<ConstantStruct>(CV)) {
+ if (CS->getNumOperands() > 5 && CS->isNullValue()) {
+ Out << "zeroinitializer";
+ return;
+ }
+
Out << "{";
if (CS->getNumOperands()) {
Out << " ";
} else if (isa<ConstantPointerNull>(CV)) {
Out << "null";
- } else if (ConstantPointerRef *PR = dyn_cast<ConstantPointerRef>(CV)) {
+ } else if (const ConstantPointerRef *PR = dyn_cast<ConstantPointerRef>(CV)) {
const GlobalValue *V = PR->getValue();
if (V->hasName()) {
- Out << "%" << V->getName();
+ Out << getLLVMName(V->getName());
} else if (Table) {
int Slot = Table->getValSlot(V);
if (Slot >= 0)
} else {
Out << "<pointer reference without context info>";
}
+
+ } else if (const ConstantExpr *CE = dyn_cast<ConstantExpr>(CV)) {
+ Out << CE->getOpcodeName() << " (";
+
+ for (User::const_op_iterator OI=CE->op_begin(); OI != CE->op_end(); ++OI) {
+ printTypeInt(Out, (*OI)->getType(), TypeTable);
+ WriteAsOperandInternal(Out, *OI, PrintName, TypeTable, Table);
+ if (OI+1 != CE->op_end())
+ Out << ", ";
+ }
+
+ if (CE->getOpcode() == Instruction::Cast) {
+ Out << " to ";
+ printTypeInt(Out, CE->getType(), TypeTable);
+ }
+ Out << ")";
+
} else {
- assert(0 && "Unrecognized constant value!!!");
+ Out << "<placeholder or erroneous Constant>";
}
}
// ostream. This can be useful when you just want to print int %reg126, not the
// whole instruction that generated it.
//
-static void WriteAsOperandInternal(ostream &Out, const Value *V, bool PrintName,
- map<const Type *, string> &TypeTable,
+static void WriteAsOperandInternal(std::ostream &Out, const Value *V,
+ bool PrintName,
+ std::map<const Type*, std::string> &TypeTable,
SlotCalculator *Table) {
Out << " ";
if (PrintName && V->hasName()) {
- Out << "%" << V->getName();
+ Out << getLLVMName(V->getName());
} else {
- if (const Constant *CV = dyn_cast<const Constant>(V)) {
+ if (const Constant *CV = dyn_cast<Constant>(V)) {
WriteConstantInt(Out, CV, PrintName, TypeTable, Table);
} else {
int Slot;
if (Table) {
Slot = Table->getValSlot(V);
} else {
- if (const Type *Ty = dyn_cast<const Type>(V)) {
+ if (const Type *Ty = dyn_cast<Type>(V)) {
Out << Ty->getDescription();
return;
}
// ostream. This can be useful when you just want to print int %reg126, not the
// whole instruction that generated it.
//
-ostream &WriteAsOperand(ostream &Out, const Value *V, bool PrintType,
- bool PrintName, SlotCalculator *Table) {
- map<const Type *, string> TypeNames;
- const Module *M = getModuleFromVal(V);
+std::ostream &WriteAsOperand(std::ostream &Out, const Value *V, bool PrintType,
+ bool PrintName, const Module *Context) {
+ std::map<const Type *, std::string> TypeNames;
+ if (Context == 0) Context = getModuleFromVal(V);
- if (M && M->hasSymbolTable())
- fillTypeNameTable(M, TypeNames);
+ if (Context)
+ fillTypeNameTable(Context, TypeNames);
if (PrintType)
printTypeInt(Out, V->getType(), TypeNames);
- WriteAsOperandInternal(Out, V, PrintName, TypeNames, Table);
+ WriteAsOperandInternal(Out, V, PrintName, TypeNames, 0);
return Out;
}
class AssemblyWriter {
- ostream &Out;
+ std::ostream &Out;
SlotCalculator &Table;
const Module *TheModule;
- map<const Type *, string> TypeNames;
+ std::map<const Type *, std::string> TypeNames;
public:
- inline AssemblyWriter(ostream &o, SlotCalculator &Tab, const Module *M)
+ inline AssemblyWriter(std::ostream &o, SlotCalculator &Tab, const Module *M)
: Out(o), Table(Tab), TheModule(M) {
// If the module has a symbol table, take all global types and stuff their
inline void write(const GlobalVariable *G) { printGlobal(G); }
inline void write(const Function *F) { printFunction(F); }
inline void write(const BasicBlock *BB) { printBasicBlock(BB); }
- inline void write(const Instruction *I) { printInstruction(I); }
+ inline void write(const Instruction *I) { printInstruction(*I); }
inline void write(const Constant *CPV) { printConstant(CPV); }
inline void write(const Type *Ty) { printType(Ty); }
void printFunction(const Function *F);
void printArgument(const Argument *FA);
void printBasicBlock(const BasicBlock *BB);
- void printInstruction(const Instruction *I);
+ void printInstruction(const Instruction &I);
// printType - Go to extreme measures to attempt to print out a short,
// symbolic version of a type name.
//
- ostream &printType(const Type *Ty) {
+ std::ostream &printType(const Type *Ty) {
return printTypeInt(Out, Ty, TypeNames);
}
// printTypeAtLeastOneLevel - Print out one level of the possibly complex type
// without considering any symbolic types that we may have equal to it.
//
- ostream &printTypeAtLeastOneLevel(const Type *Ty);
+ std::ostream &printTypeAtLeastOneLevel(const Type *Ty);
// printInfoComment - Print a little comment after the instruction indicating
// which slot it occupies.
- void printInfoComment(const Value *V);
+ void printInfoComment(const Value &V);
};
// printTypeAtLeastOneLevel - Print out one level of the possibly complex type
// without considering any symbolic types that we may have equal to it.
//
-ostream &AssemblyWriter::printTypeAtLeastOneLevel(const Type *Ty) {
- if (FunctionType *FTy = dyn_cast<FunctionType>(Ty)) {
+std::ostream &AssemblyWriter::printTypeAtLeastOneLevel(const Type *Ty) {
+ if (const FunctionType *FTy = dyn_cast<FunctionType>(Ty)) {
printType(FTy->getReturnType()) << " (";
for (FunctionType::ParamTypes::const_iterator
I = FTy->getParamTypes().begin(),
Out << "...";
}
Out << ")";
- } else if (StructType *STy = dyn_cast<StructType>(Ty)) {
+ } else if (const StructType *STy = dyn_cast<StructType>(Ty)) {
Out << "{ ";
for (StructType::ElementTypes::const_iterator
I = STy->getElementTypes().begin(),
printType(*I);
}
Out << " }";
- } else if (PointerType *PTy = dyn_cast<PointerType>(Ty)) {
+ } else if (const PointerType *PTy = dyn_cast<PointerType>(Ty)) {
printType(PTy->getElementType()) << "*";
- } else if (ArrayType *ATy = dyn_cast<ArrayType>(Ty)) {
+ } else if (const ArrayType *ATy = dyn_cast<ArrayType>(Ty)) {
Out << "[" << ATy->getNumElements() << " x ";
printType(ATy->getElementType()) << "]";
+ } else if (const OpaqueType *OTy = dyn_cast<OpaqueType>(Ty)) {
+ Out << "opaque";
} else {
- assert(Ty->isPrimitiveType() && "Unknown derived type!");
+ if (!Ty->isPrimitiveType())
+ Out << "<unknown derived type>";
printType(Ty);
}
return Out;
void AssemblyWriter::printModule(const Module *M) {
+ switch (M->getEndianness()) {
+ case Module::LittleEndian: Out << "target endian = little\n"; break;
+ case Module::BigEndian: Out << "target endian = big\n"; break;
+ case Module::AnyEndianness: break;
+ }
+ switch (M->getPointerSize()) {
+ case Module::Pointer32: Out << "target pointersize = 32\n"; break;
+ case Module::Pointer64: Out << "target pointersize = 64\n"; break;
+ case Module::AnyPointerSize: break;
+ }
+
// Loop over the symbol table, emitting all named constants...
- if (M->hasSymbolTable())
- printSymbolTable(*M->getSymbolTable());
+ printSymbolTable(M->getSymbolTable());
- for_each(M->gbegin(), M->gend(),
- bind_obj(this, &AssemblyWriter::printGlobal));
+ for (Module::const_giterator I = M->gbegin(), E = M->gend(); I != E; ++I)
+ printGlobal(I);
- Out << "implementation\n";
+ Out << "\nimplementation ; Functions:\n";
// Output all of the functions...
- for_each(M->begin(), M->end(), bind_obj(this,&AssemblyWriter::printFunction));
+ for (Module::const_iterator I = M->begin(), E = M->end(); I != E; ++I)
+ printFunction(I);
}
void AssemblyWriter::printGlobal(const GlobalVariable *GV) {
- if (GV->hasName()) Out << "%" << GV->getName() << " = ";
+ if (GV->hasName()) Out << getLLVMName(GV->getName()) << " = ";
- if (GV->hasInternalLinkage()) Out << "internal ";
- if (!GV->hasInitializer()) Out << "uninitialized ";
+ if (!GV->hasInitializer())
+ Out << "external ";
+ else
+ switch (GV->getLinkage()) {
+ case GlobalValue::InternalLinkage: Out << "internal "; break;
+ case GlobalValue::LinkOnceLinkage: Out << "linkonce "; break;
+ case GlobalValue::AppendingLinkage: Out << "appending "; break;
+ case GlobalValue::ExternalLinkage: break;
+ }
Out << (GV->isConstant() ? "constant " : "global ");
printType(GV->getType()->getElementType());
if (GV->hasInitializer())
writeOperand(GV->getInitializer(), false, false);
- printInfoComment(GV);
+ printInfoComment(*GV);
Out << "\n";
}
for (; I != End; ++I) {
const Value *V = I->second;
- if (const Constant *CPV = dyn_cast<const Constant>(V)) {
+ if (const Constant *CPV = dyn_cast<Constant>(V)) {
printConstant(CPV);
- } else if (const Type *Ty = dyn_cast<const Type>(V)) {
- Out << "\t%" << I->first << " = type ";
+ } else if (const Type *Ty = dyn_cast<Type>(V)) {
+ Out << "\t" << getLLVMName(I->first) << " = type ";
// Make sure we print out at least one level of the type structure, so
// that we do not get %FILE = type %FILE
if (!CPV->hasName()) return;
// Print out name...
- Out << "\t%" << CPV->getName() << " =";
+ Out << "\t" << getLLVMName(CPV->getName()) << " =";
// Write the value out now...
writeOperand(CPV, true, false);
- printInfoComment(CPV);
+ printInfoComment(*CPV);
Out << "\n";
}
// printFunction - Print all aspects of a function.
//
-void AssemblyWriter::printFunction(const Function *M) {
+void AssemblyWriter::printFunction(const Function *F) {
// Print out the return type and name...
- Out << "\n" << (M->isExternal() ? "declare " : "")
- << (M->hasInternalLinkage() ? "internal " : "");
- printType(M->getReturnType()) << " \"" << M->getName() << "\"(";
- Table.incorporateFunction(M);
+ Out << "\n";
+
+ if (F->isExternal())
+ Out << "declare ";
+ else
+ switch (F->getLinkage()) {
+ case GlobalValue::InternalLinkage: Out << "internal "; break;
+ case GlobalValue::LinkOnceLinkage: Out << "linkonce "; break;
+ case GlobalValue::AppendingLinkage: Out << "appending "; break;
+ case GlobalValue::ExternalLinkage: break;
+ }
+
+ printType(F->getReturnType()) << " " << getLLVMName(F->getName()) << "(";
+ Table.incorporateFunction(F);
// Loop over the arguments, printing them...
- const FunctionType *MT = M->getFunctionType();
+ const FunctionType *FT = F->getFunctionType();
- if (!M->isExternal()) {
- for_each(M->getArgumentList().begin(), M->getArgumentList().end(),
- bind_obj(this, &AssemblyWriter::printArgument));
- } else {
- // Loop over the arguments, printing them...
- const FunctionType *MT = M->getFunctionType();
- for (FunctionType::ParamTypes::const_iterator I = MT->getParamTypes().begin(),
- E = MT->getParamTypes().end(); I != E; ++I) {
- if (I != MT->getParamTypes().begin()) Out << ", ";
- printType(*I);
- }
- }
+ for(Function::const_aiterator I = F->abegin(), E = F->aend(); I != E; ++I)
+ printArgument(I);
// Finish printing arguments...
- if (MT->isVarArg()) {
- if (MT->getParamTypes().size()) Out << ", ";
+ if (FT->isVarArg()) {
+ if (FT->getParamTypes().size()) Out << ", ";
Out << "..."; // Output varargs portion of signature!
}
- Out << ")\n";
-
- if (!M->isExternal()) {
- // Loop over the symbol table, emitting all named constants...
- if (M->hasSymbolTable())
- printSymbolTable(*M->getSymbolTable());
+ Out << ")";
- Out << "begin";
+ if (F->isExternal()) {
+ Out << "\n";
+ } else {
+ Out << " {";
// Output all of its basic blocks... for the function
- for_each(M->begin(), M->end(),
- bind_obj(this, &AssemblyWriter::printBasicBlock));
+ for (Function::const_iterator I = F->begin(), E = F->end(); I != E; ++I)
+ printBasicBlock(I);
- Out << "end\n";
+ Out << "}\n";
}
Table.purgeFunction();
//
void AssemblyWriter::printArgument(const Argument *Arg) {
// Insert commas as we go... the first arg doesn't get a comma
- if (Arg != Arg->getParent()->getArgumentList().front()) Out << ", ";
+ if (Arg != &Arg->getParent()->afront()) Out << ", ";
// Output type...
printType(Arg->getType());
// Output name, if available...
if (Arg->hasName())
- Out << " %" << Arg->getName();
+ Out << " " << getLLVMName(Arg->getName());
else if (Table.getValSlot(Arg) < 0)
Out << "<badref>";
}
void AssemblyWriter::printBasicBlock(const BasicBlock *BB) {
if (BB->hasName()) { // Print out the label if it exists...
Out << "\n" << BB->getName() << ":";
- } else {
+ } else if (!BB->use_empty()) { // Don't print block # of no uses...
int Slot = Table.getValSlot(BB);
Out << "\n; <label>:";
if (Slot >= 0)
- Out << Slot; // Extra newline seperates out label's
+ Out << Slot; // Extra newline separates out label's
else
Out << "<badref>";
}
- Out << "\t\t\t\t\t;[#uses=" << BB->use_size() << "]\n"; // Output # uses
+
+ // Output predecessors for the block...
+ Out << "\t\t;";
+ pred_const_iterator PI = pred_begin(BB), PE = pred_end(BB);
+
+ if (PI == PE) {
+ Out << " No predecessors!";
+ } else {
+ Out << " preds =";
+ writeOperand(*PI, false, true);
+ for (++PI; PI != PE; ++PI) {
+ Out << ",";
+ writeOperand(*PI, false, true);
+ }
+ }
+
+ Out << "\n";
// Output all of the instructions in the basic block...
- for_each(BB->begin(), BB->end(),
- bind_obj(this, &AssemblyWriter::printInstruction));
+ for (BasicBlock::const_iterator I = BB->begin(), E = BB->end(); I != E; ++I)
+ printInstruction(*I);
}
// printInfoComment - Print a little comment after the instruction indicating
// which slot it occupies.
//
-void AssemblyWriter::printInfoComment(const Value *V) {
- if (V->getType() != Type::VoidTy) {
+void AssemblyWriter::printInfoComment(const Value &V) {
+ if (V.getType() != Type::VoidTy) {
Out << "\t\t; <";
- printType(V->getType()) << ">";
+ printType(V.getType()) << ">";
- if (!V->hasName()) {
- int Slot = Table.getValSlot(V); // Print out the def slot taken...
+ if (!V.hasName()) {
+ int Slot = Table.getValSlot(&V); // Print out the def slot taken...
if (Slot >= 0) Out << ":" << Slot;
else Out << ":<badref>";
}
- Out << " [#uses=" << V->use_size() << "]"; // Output # uses
+ Out << " [#uses=" << V.use_size() << "]"; // Output # uses
}
}
// printInstruction - This member is called for each Instruction in a methd.
//
-void AssemblyWriter::printInstruction(const Instruction *I) {
+void AssemblyWriter::printInstruction(const Instruction &I) {
Out << "\t";
// Print out name if it exists...
- if (I && I->hasName())
- Out << "%" << I->getName() << " = ";
+ if (I.hasName())
+ Out << getLLVMName(I.getName()) << " = ";
// Print out the opcode...
- Out << I->getOpcodeName();
+ Out << I.getOpcodeName();
// Print out the type of the operands...
- const Value *Operand = I->getNumOperands() ? I->getOperand(0) : 0;
+ const Value *Operand = I.getNumOperands() ? I.getOperand(0) : 0;
// Special case conditional branches to swizzle the condition out to the front
- if (isa<BranchInst>(I) && I->getNumOperands() > 1) {
- writeOperand(I->getOperand(2), true);
+ if (isa<BranchInst>(I) && I.getNumOperands() > 1) {
+ writeOperand(I.getOperand(2), true);
Out << ",";
writeOperand(Operand, true);
Out << ",";
- writeOperand(I->getOperand(1), true);
+ writeOperand(I.getOperand(1), true);
} else if (isa<SwitchInst>(I)) {
// Special case switch statement to get formatting nice and correct...
- writeOperand(Operand , true); Out << ",";
- writeOperand(I->getOperand(1), true); Out << " [";
+ writeOperand(Operand , true); Out << ",";
+ writeOperand(I.getOperand(1), true); Out << " [";
- for (unsigned op = 2, Eop = I->getNumOperands(); op < Eop; op += 2) {
+ for (unsigned op = 2, Eop = I.getNumOperands(); op < Eop; op += 2) {
Out << "\n\t\t";
- writeOperand(I->getOperand(op ), true); Out << ",";
- writeOperand(I->getOperand(op+1), true);
+ writeOperand(I.getOperand(op ), true); Out << ",";
+ writeOperand(I.getOperand(op+1), true);
}
Out << "\n\t]";
} else if (isa<PHINode>(I)) {
Out << " ";
- printType(I->getType());
+ printType(I.getType());
Out << " ";
- for (unsigned op = 0, Eop = I->getNumOperands(); op < Eop; op += 2) {
+ for (unsigned op = 0, Eop = I.getNumOperands(); op < Eop; op += 2) {
if (op) Out << ", ";
Out << "[";
- writeOperand(I->getOperand(op ), false); Out << ",";
- writeOperand(I->getOperand(op+1), false); Out << " ]";
+ writeOperand(I.getOperand(op ), false); Out << ",";
+ writeOperand(I.getOperand(op+1), false); Out << " ]";
}
} else if (isa<ReturnInst>(I) && !Operand) {
Out << " void";
} else if (isa<CallInst>(I)) {
- const PointerType *PTy = dyn_cast<PointerType>(Operand->getType());
- const FunctionType*MTy = PTy ? dyn_cast<FunctionType>(PTy->getElementType()):0;
- const Type *RetTy = MTy ? MTy->getReturnType() : 0;
+ const PointerType *PTy = cast<PointerType>(Operand->getType());
+ const FunctionType *FTy = cast<FunctionType>(PTy->getElementType());
+ const Type *RetTy = FTy->getReturnType();
- // If possible, print out the short form of the call instruction, but we can
+ // If possible, print out the short form of the call instruction. We can
// only do this if the first argument is a pointer to a nonvararg function,
- // and if the value returned is not a pointer to a function.
+ // and if the return type is not a pointer to a function.
//
- if (RetTy && MTy && !MTy->isVarArg() &&
+ if (!FTy->isVarArg() &&
(!isa<PointerType>(RetTy) ||
- !isa<FunctionType>(cast<PointerType>(RetTy)))) {
+ !isa<FunctionType>(cast<PointerType>(RetTy)->getElementType()))) {
Out << " "; printType(RetTy);
writeOperand(Operand, false);
} else {
writeOperand(Operand, true);
}
Out << "(";
- if (I->getNumOperands() > 1) writeOperand(I->getOperand(1), true);
- for (unsigned op = 2, Eop = I->getNumOperands(); op < Eop; ++op) {
+ if (I.getNumOperands() > 1) writeOperand(I.getOperand(1), true);
+ for (unsigned op = 2, Eop = I.getNumOperands(); op < Eop; ++op) {
Out << ",";
- writeOperand(I->getOperand(op), true);
+ writeOperand(I.getOperand(op), true);
}
Out << " )";
- } else if (const InvokeInst *II = dyn_cast<InvokeInst>(I)) {
- // TODO: Should try to print out short form of the Invoke instruction
- writeOperand(Operand, true);
+ } else if (const InvokeInst *II = dyn_cast<InvokeInst>(&I)) {
+ const PointerType *PTy = cast<PointerType>(Operand->getType());
+ const FunctionType *FTy = cast<FunctionType>(PTy->getElementType());
+ const Type *RetTy = FTy->getReturnType();
+
+ // If possible, print out the short form of the invoke instruction. We can
+ // only do this if the first argument is a pointer to a nonvararg function,
+ // and if the return type is not a pointer to a function.
+ //
+ if (!FTy->isVarArg() &&
+ (!isa<PointerType>(RetTy) ||
+ !isa<FunctionType>(cast<PointerType>(RetTy)->getElementType()))) {
+ Out << " "; printType(RetTy);
+ writeOperand(Operand, false);
+ } else {
+ writeOperand(Operand, true);
+ }
+
Out << "(";
- if (I->getNumOperands() > 3) writeOperand(I->getOperand(3), true);
- for (unsigned op = 4, Eop = I->getNumOperands(); op < Eop; ++op) {
+ if (I.getNumOperands() > 3) writeOperand(I.getOperand(3), true);
+ for (unsigned op = 4, Eop = I.getNumOperands(); op < Eop; ++op) {
Out << ",";
- writeOperand(I->getOperand(op), true);
+ writeOperand(I.getOperand(op), true);
}
Out << " )\n\t\t\tto";
Out << " except";
writeOperand(II->getExceptionalDest(), true);
- } else if (const AllocationInst *AI = dyn_cast<AllocationInst>(I)) {
+ } else if (const AllocationInst *AI = dyn_cast<AllocationInst>(&I)) {
Out << " ";
printType(AI->getType()->getElementType());
if (AI->isArrayAllocation()) {
} else if (isa<CastInst>(I)) {
writeOperand(Operand, true);
Out << " to ";
- printType(I->getType());
+ printType(I.getType());
+ } else if (isa<VarArgInst>(I)) {
+ writeOperand(Operand, true);
+ Out << ", ";
+ printType(I.getType());
} else if (Operand) { // Print the normal way...
// PrintAllTypes - Instructions who have operands of all the same type
bool PrintAllTypes = false;
const Type *TheType = Operand->getType();
- for (unsigned i = 1, E = I->getNumOperands(); i != E; ++i) {
- Operand = I->getOperand(i);
- if (Operand->getType() != TheType) {
- PrintAllTypes = true; // We have differing types! Print them all!
- break;
+ // Shift Left & Right print both types even for Ubyte LHS
+ if (isa<ShiftInst>(I)) {
+ PrintAllTypes = true;
+ } else {
+ for (unsigned i = 1, E = I.getNumOperands(); i != E; ++i) {
+ Operand = I.getOperand(i);
+ if (Operand->getType() != TheType) {
+ PrintAllTypes = true; // We have differing types! Print them all!
+ break;
+ }
}
}
-
- // Shift Left & Right print both types even for Ubyte LHS
- if (isa<ShiftInst>(I)) PrintAllTypes = true;
-
+
if (!PrintAllTypes) {
Out << " ";
- printType(I->getOperand(0)->getType());
+ printType(TheType);
}
- for (unsigned i = 0, E = I->getNumOperands(); i != E; ++i) {
+ for (unsigned i = 0, E = I.getNumOperands(); i != E; ++i) {
if (i) Out << ",";
- writeOperand(I->getOperand(i), PrintAllTypes);
+ writeOperand(I.getOperand(i), PrintAllTypes);
}
}
void Constant::print(std::ostream &o) const {
if (this == 0) { o << "<null> constant value\n"; return; }
+
+ // Handle CPR's special, because they have context information...
+ if (const ConstantPointerRef *CPR = dyn_cast<ConstantPointerRef>(this)) {
+ CPR->getValue()->print(o); // Print as a global value, with context info.
+ return;
+ }
+
o << " " << getType()->getDescription() << " ";
- map<const Type *, string> TypeTable;
+ std::map<const Type *, std::string> TypeTable;
WriteConstantInt(o, this, false, TypeTable, 0);
}
switch (V->getValueType()) {
case Value::ConstantVal:
case Value::ArgumentVal: AW->writeOperand(V, true, true); break;
- case Value::TypeVal: AW->write(cast<const Type>(V)); break;
+ case Value::TypeVal: AW->write(cast<Type>(V)); break;
case Value::InstructionVal: AW->write(cast<Instruction>(V)); break;
case Value::BasicBlockVal: AW->write(cast<BasicBlock>(V)); break;
case Value::FunctionVal: AW->write(cast<Function>(V)); break;