//===-- AsmWriter.cpp - Printing LLVM as an assembly file -----------------===//
-//
+//
// The LLVM Compiler Infrastructure
//
// This file was developed by the LLVM research group and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
-//
+//
//===----------------------------------------------------------------------===//
//
// This library implements the functionality defined in llvm/Assembly/Writer.h
#include "llvm/Assembly/Writer.h"
#include "llvm/Assembly/PrintModulePass.h"
#include "llvm/Assembly/AsmAnnotationWriter.h"
+#include "llvm/CallingConv.h"
#include "llvm/Constants.h"
#include "llvm/DerivedTypes.h"
+#include "llvm/InlineAsm.h"
#include "llvm/Instruction.h"
-#include "llvm/iMemory.h"
-#include "llvm/iTerminators.h"
-#include "llvm/iPHINode.h"
-#include "llvm/iOther.h"
+#include "llvm/Instructions.h"
#include "llvm/Module.h"
-#include "llvm/Analysis/SlotCalculator.h"
#include "llvm/SymbolTable.h"
#include "llvm/Support/CFG.h"
-#include "Support/StringExtras.h"
-#include "Support/STLExtras.h"
+#include "llvm/ADT/StringExtras.h"
+#include "llvm/ADT/STLExtras.h"
+#include "llvm/Support/MathExtras.h"
#include <algorithm>
using namespace llvm;
+namespace llvm {
+
+// Make virtual table appear in this compilation unit.
+AssemblyAnnotationWriter::~AssemblyAnnotationWriter() {}
+
+/// This class provides computation of slot numbers for LLVM Assembly writing.
+/// @brief LLVM Assembly Writing Slot Computation.
+class SlotMachine {
+
+/// @name Types
+/// @{
+public:
+
+ /// @brief A mapping of Values to slot numbers
+ typedef std::map<const Value*, unsigned> ValueMap;
+ typedef std::map<const Type*, unsigned> TypeMap;
+
+ /// @brief A plane with next slot number and ValueMap
+ struct ValuePlane {
+ unsigned next_slot; ///< The next slot number to use
+ ValueMap map; ///< The map of Value* -> unsigned
+ ValuePlane() { next_slot = 0; } ///< Make sure we start at 0
+ };
+
+ struct TypePlane {
+ unsigned next_slot;
+ TypeMap map;
+ TypePlane() { next_slot = 0; }
+ void clear() { map.clear(); next_slot = 0; }
+ };
+
+ /// @brief The map of planes by Type
+ typedef std::map<const Type*, ValuePlane> TypedPlanes;
+
+/// @}
+/// @name Constructors
+/// @{
+public:
+ /// @brief Construct from a module
+ SlotMachine(const Module *M );
+
+ /// @brief Construct from a function, starting out in incorp state.
+ SlotMachine(const Function *F );
+
+/// @}
+/// @name Accessors
+/// @{
+public:
+ /// Return the slot number of the specified value in it's type
+ /// plane. Its an error to ask for something not in the SlotMachine.
+ /// Its an error to ask for a Type*
+ int getSlot(const Value *V);
+ int getSlot(const Type*Ty);
+
+ /// Determine if a Value has a slot or not
+ bool hasSlot(const Value* V);
+ bool hasSlot(const Type* Ty);
+
+/// @}
+/// @name Mutators
+/// @{
+public:
+ /// If you'd like to deal with a function instead of just a module, use
+ /// this method to get its data into the SlotMachine.
+ void incorporateFunction(const Function *F) {
+ TheFunction = F;
+ FunctionProcessed = false;
+ }
+
+ /// After calling incorporateFunction, use this method to remove the
+ /// most recently incorporated function from the SlotMachine. This
+ /// will reset the state of the machine back to just the module contents.
+ void purgeFunction();
+
+/// @}
+/// @name Implementation Details
+/// @{
+private:
+ /// This function does the actual initialization.
+ inline void initialize();
+
+ /// Values can be crammed into here at will. If they haven't
+ /// been inserted already, they get inserted, otherwise they are ignored.
+ /// Either way, the slot number for the Value* is returned.
+ unsigned createSlot(const Value *V);
+ unsigned createSlot(const Type* Ty);
+
+ /// Insert a value into the value table. Return the slot number
+ /// that it now occupies. BadThings(TM) will happen if you insert a
+ /// Value that's already been inserted.
+ unsigned insertValue( const Value *V );
+ unsigned insertValue( const Type* Ty);
+
+ /// Add all of the module level global variables (and their initializers)
+ /// and function declarations, but not the contents of those functions.
+ void processModule();
+
+ /// Add all of the functions arguments, basic blocks, and instructions
+ void processFunction();
+
+ SlotMachine(const SlotMachine &); // DO NOT IMPLEMENT
+ void operator=(const SlotMachine &); // DO NOT IMPLEMENT
+
+/// @}
+/// @name Data
+/// @{
+public:
+
+ /// @brief The module for which we are holding slot numbers
+ const Module* TheModule;
+
+ /// @brief The function for which we are holding slot numbers
+ const Function* TheFunction;
+ bool FunctionProcessed;
+
+ /// @brief The TypePlanes map for the module level data
+ TypedPlanes mMap;
+ TypePlane mTypes;
+
+ /// @brief The TypePlanes map for the function level data
+ TypedPlanes fMap;
+ TypePlane fTypes;
+
+/// @}
+
+};
+
+} // end namespace llvm
+
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,
+static void WriteAsOperandInternal(std::ostream &Out, const Value *V,
+ bool PrintName,
+ std::map<const Type *, std::string> &TypeTable,
+ SlotMachine *Machine);
+
+static void WriteAsOperandInternal(std::ostream &Out, const Type *T,
bool PrintName,
std::map<const Type *, std::string> &TypeTable,
- SlotCalculator *Table);
+ SlotMachine *Machine);
static const Module *getModuleFromVal(const Value *V) {
if (const Argument *MA = dyn_cast<Argument>(V))
return 0;
}
-static SlotCalculator *createSlotCalculator(const Value *V) {
- assert(!isa<Type>(V) && "Can't create an SC for a type!");
+static SlotMachine *createSlotMachine(const Value *V) {
if (const Argument *FA = dyn_cast<Argument>(V)) {
- return new SlotCalculator(FA->getParent(), false);
+ return new SlotMachine(FA->getParent());
} else if (const Instruction *I = dyn_cast<Instruction>(V)) {
- return new SlotCalculator(I->getParent()->getParent(), false);
+ return new SlotMachine(I->getParent()->getParent());
} else if (const BasicBlock *BB = dyn_cast<BasicBlock>(V)) {
- return new SlotCalculator(BB->getParent(), false);
+ return new SlotMachine(BB->getParent());
} else if (const GlobalVariable *GV = dyn_cast<GlobalVariable>(V)){
- return new SlotCalculator(GV->getParent(), false);
+ return new SlotMachine(GV->getParent());
} else if (const Function *Func = dyn_cast<Function>(V)) {
- return new SlotCalculator(Func, false);
+ return new SlotMachine(Func);
}
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) {
+static std::string getLLVMName(const std::string &Name,
+ bool prefixName = true) {
assert(!Name.empty() && "Cannot get empty name!");
// First character cannot start with a number...
C != '-' && C != '.' && C != '_')
return "\"" + Name + "\"";
}
-
+
// If we get here, then the identifier is legal to use as a "VarID".
- return "%"+Name;
+ if (prefixName)
+ return "%"+Name;
+ else
+ return Name;
}
-// If the module has a symbol table, take all global types and stuff their
-// names into the TypeNames map.
-//
+/// fillTypeNameTable - 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,
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() ||
- isa<OpaqueType>(cast<PointerType>(Ty)->getElementType()))
- TypeNames.insert(std::make_pair(Ty, getLLVMName(I->first)));
- }
+ SymbolTable::type_const_iterator TI = ST.type_begin();
+ for (; TI != ST.type_end(); ++TI ) {
+ // 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>(TI->second);
+ if (!isa<PointerType>(Ty) ||
+ !cast<PointerType>(Ty)->getElementType()->isPrimitiveType() ||
+ isa<OpaqueType>(cast<PointerType>(Ty)->getElementType()))
+ TypeNames.insert(std::make_pair(Ty, getLLVMName(TI->first)));
}
}
-static std::string calcTypeName(const Type *Ty,
- std::vector<const Type *> &TypeStack,
- std::map<const Type *, std::string> &TypeNames){
- if (Ty->isPrimitiveType() && !isa<OpaqueType>(Ty))
- return Ty->getDescription(); // Base case
+static void calcTypeName(const Type *Ty,
+ std::vector<const Type *> &TypeStack,
+ std::map<const Type *, std::string> &TypeNames,
+ std::string & Result){
+ if (Ty->isPrimitiveType() && !isa<OpaqueType>(Ty)) {
+ Result += Ty->getDescription(); // Base case
+ return;
+ }
// Check to see if the type is named.
std::map<const Type *, std::string>::iterator I = TypeNames.find(Ty);
- if (I != TypeNames.end()) return I->second;
+ if (I != TypeNames.end()) {
+ Result += I->second;
+ return;
+ }
- if (isa<OpaqueType>(Ty))
- return "opaque";
+ if (isa<OpaqueType>(Ty)) {
+ Result += "opaque";
+ return;
+ }
// Check to see if the Type is already on the stack...
unsigned Slot = 0, CurSize = TypeStack.size();
while (Slot < CurSize && TypeStack[Slot] != Ty) ++Slot; // Scan for type
- // This is another base case for the recursion. In this case, we know
+ // This is another base case for the recursion. In this case, we know
// that we have looped back to a type that we have previously visited.
// Generate the appropriate upreference to handle this.
- //
- if (Slot < CurSize)
- return "\\" + utostr(CurSize-Slot); // Here's the upreference
+ if (Slot < CurSize) {
+ Result += "\\" + utostr(CurSize-Slot); // Here's the upreference
+ return;
+ }
TypeStack.push_back(Ty); // Recursive case: Add us to the stack..
-
- std::string Result;
- switch (Ty->getPrimitiveID()) {
+
+ switch (Ty->getTypeID()) {
case Type::FunctionTyID: {
const FunctionType *FTy = cast<FunctionType>(Ty);
- Result = calcTypeName(FTy->getReturnType(), TypeStack, TypeNames) + " (";
- for (FunctionType::ParamTypes::const_iterator
- I = FTy->getParamTypes().begin(),
- E = FTy->getParamTypes().end(); I != E; ++I) {
- if (I != FTy->getParamTypes().begin())
+ calcTypeName(FTy->getReturnType(), TypeStack, TypeNames, Result);
+ Result += " (";
+ for (FunctionType::param_iterator I = FTy->param_begin(),
+ E = FTy->param_end(); I != E; ++I) {
+ if (I != FTy->param_begin())
Result += ", ";
- Result += calcTypeName(*I, TypeStack, TypeNames);
+ calcTypeName(*I, TypeStack, TypeNames, Result);
}
if (FTy->isVarArg()) {
- if (!FTy->getParamTypes().empty()) Result += ", ";
+ if (FTy->getNumParams()) Result += ", ";
Result += "...";
}
Result += ")";
}
case Type::StructTyID: {
const StructType *STy = cast<StructType>(Ty);
- Result = "{ ";
- for (StructType::ElementTypes::const_iterator
- I = STy->getElementTypes().begin(),
- E = STy->getElementTypes().end(); I != E; ++I) {
- if (I != STy->getElementTypes().begin())
+ Result += "{ ";
+ for (StructType::element_iterator I = STy->element_begin(),
+ E = STy->element_end(); I != E; ++I) {
+ if (I != STy->element_begin())
Result += ", ";
- Result += calcTypeName(*I, TypeStack, TypeNames);
+ calcTypeName(*I, TypeStack, TypeNames, Result);
}
Result += " }";
break;
}
case Type::PointerTyID:
- Result = calcTypeName(cast<PointerType>(Ty)->getElementType(),
- TypeStack, TypeNames) + "*";
+ calcTypeName(cast<PointerType>(Ty)->getElementType(),
+ TypeStack, TypeNames, Result);
+ Result += "*";
break;
case Type::ArrayTyID: {
const ArrayType *ATy = cast<ArrayType>(Ty);
- Result = "[" + utostr(ATy->getNumElements()) + " x ";
- Result += calcTypeName(ATy->getElementType(), TypeStack, TypeNames) + "]";
+ Result += "[" + utostr(ATy->getNumElements()) + " x ";
+ calcTypeName(ATy->getElementType(), TypeStack, TypeNames, Result);
+ Result += "]";
+ break;
+ }
+ case Type::PackedTyID: {
+ const PackedType *PTy = cast<PackedType>(Ty);
+ Result += "<" + utostr(PTy->getNumElements()) + " x ";
+ calcTypeName(PTy->getElementType(), TypeStack, TypeNames, Result);
+ Result += ">";
break;
}
case Type::OpaqueTyID:
- Result = "opaque";
+ Result += "opaque";
break;
default:
- Result = "<unrecognized-type>";
+ Result += "<unrecognized-type>";
}
TypeStack.pop_back(); // Remove self from stack...
- return Result;
+ return;
}
-// printTypeInt - The internal guts of printing out a type that has a
-// potentially named portion.
-//
+/// printTypeInt - The internal guts of printing out a type that has a
+/// potentially named portion.
+///
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
// names.
//
std::vector<const Type *> TypeStack;
- std::string TypeName = calcTypeName(Ty, TypeStack, TypeNames);
+ std::string TypeName;
+ calcTypeName(Ty, TypeStack, TypeNames, TypeName);
TypeNames.insert(std::make_pair(Ty, TypeName));//Cache type name for later use
- return Out << TypeName;
+ return (Out << TypeName);
}
-// WriteTypeSymbolic - This attempts to write the specified type as a symbolic
-// 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;
-//
+/// WriteTypeSymbolic - This attempts to write the specified type as a symbolic
+/// 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
+///
std::ostream &llvm::WriteTypeSymbolic(std::ostream &Out, const Type *Ty,
const Module *M) {
- Out << " ";
+ 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) {
std::map<const Type *, std::string> TypeNames;
fillTypeNameTable(M, TypeNames);
-
+
return printTypeInt(Out, Ty, TypeNames);
} else {
return Out << Ty->getDescription();
}
}
-static void WriteConstantInt(std::ostream &Out, const Constant *CV,
+// PrintEscapedString - Print each character of the specified string, escaping
+// it if it is not printable or if it is an escape char.
+static void PrintEscapedString(const std::string &Str, std::ostream &Out) {
+ for (unsigned i = 0, e = Str.size(); i != e; ++i) {
+ unsigned char C = Str[i];
+ if (isprint(C) && C != '"' && C != '\\') {
+ Out << C;
+ } else {
+ Out << '\\'
+ << (char) ((C/16 < 10) ? ( C/16 +'0') : ( C/16 -10+'A'))
+ << (char)(((C&15) < 10) ? ((C&15)+'0') : ((C&15)-10+'A'));
+ }
+ }
+}
+
+/// @brief Internal constant writer.
+static void WriteConstantInt(std::ostream &Out, const Constant *CV,
bool PrintName,
std::map<const Type *, std::string> &TypeTable,
- SlotCalculator *Table) {
+ SlotMachine *Machine) {
+ const int IndentSize = 4;
+ static std::string Indent = "\n";
if (const ConstantBool *CB = dyn_cast<ConstantBool>(CV)) {
Out << (CB == ConstantBool::True ? "true" : "false");
} else if (const ConstantSInt *CI = dyn_cast<ConstantSInt>(CV)) {
(StrVal[1] >= '0' && StrVal[1] <= '9')))
// Reparse stringized version!
if (atof(StrVal.c_str()) == CFP->getValue()) {
- Out << StrVal; return;
+ Out << StrVal;
+ return;
}
-
+
// Otherwise we could not reparse it to exactly the same value, so we must
// output the string in hexadecimal format!
- //
- // Behave nicely in the face of C TBAA rules... see:
- // http://www.nullstone.com/htmls/category/aliastyp.htm
- //
- double Val = CFP->getValue();
- char *Ptr = (char*)&Val;
- assert(sizeof(double) == sizeof(uint64_t) && sizeof(double) == 8 &&
+ assert(sizeof(double) == sizeof(uint64_t) &&
"assuming that double is 64 bits!");
- Out << "0x" << utohexstr(*(uint64_t*)Ptr);
+ Out << "0x" << utohexstr(DoubleToBits(CFP->getValue()));
+ } else if (isa<ConstantAggregateZero>(CV)) {
+ Out << "zeroinitializer";
} 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.
- //
+ //
const Type *ETy = CA->getType()->getElementType();
- bool isString = (ETy == Type::SByteTy || ETy == Type::UByteTy);
-
- if (ETy == Type::SByteTy)
- for (unsigned i = 0; i < CA->getNumOperands(); ++i)
- if (cast<ConstantSInt>(CA->getOperand(i))->getValue() < 0) {
- isString = false;
- break;
- }
-
- if (isString) {
+ if (CA->isString()) {
Out << "c\"";
- for (unsigned i = 0; i < CA->getNumOperands(); ++i) {
- unsigned char C = cast<ConstantInt>(CA->getOperand(i))->getRawValue();
-
- if (isprint(C) && C != '"' && C != '\\') {
- Out << C;
- } else {
- Out << '\\'
- << (char) ((C/16 < 10) ? ( C/16 +'0') : ( C/16 -10+'A'))
- << (char)(((C&15) < 10) ? ((C&15)+'0') : ((C&15)-10+'A'));
- }
- }
+ PrintEscapedString(CA->getAsString(), Out);
Out << "\"";
} else { // Cannot output in string format...
- Out << "[";
+ Out << '[';
if (CA->getNumOperands()) {
- Out << " ";
+ Out << ' ';
printTypeInt(Out, ETy, TypeTable);
WriteAsOperandInternal(Out, CA->getOperand(0),
- PrintName, TypeTable, Table);
+ PrintName, TypeTable, Machine);
for (unsigned i = 1, e = CA->getNumOperands(); i != e; ++i) {
Out << ", ";
printTypeInt(Out, ETy, TypeTable);
WriteAsOperandInternal(Out, CA->getOperand(i), PrintName,
- TypeTable, Table);
+ TypeTable, Machine);
}
}
Out << " ]";
}
} else if (const ConstantStruct *CS = dyn_cast<ConstantStruct>(CV)) {
- if (CS->getNumOperands() > 5 && CS->isNullValue()) {
- Out << "zeroinitializer";
- return;
- }
-
- Out << "{";
- if (CS->getNumOperands()) {
- Out << " ";
+ Out << '{';
+ unsigned N = CS->getNumOperands();
+ if (N) {
+ if (N > 2) {
+ Indent += std::string(IndentSize, ' ');
+ Out << Indent;
+ } else {
+ Out << ' ';
+ }
printTypeInt(Out, CS->getOperand(0)->getType(), TypeTable);
WriteAsOperandInternal(Out, CS->getOperand(0),
- PrintName, TypeTable, Table);
+ PrintName, TypeTable, Machine);
- for (unsigned i = 1; i < CS->getNumOperands(); i++) {
+ for (unsigned i = 1; i < N; i++) {
Out << ", ";
+ if (N > 2) Out << Indent;
printTypeInt(Out, CS->getOperand(i)->getType(), TypeTable);
WriteAsOperandInternal(Out, CS->getOperand(i),
- PrintName, TypeTable, Table);
+ PrintName, TypeTable, Machine);
}
+ if (N > 2) Indent.resize(Indent.size() - IndentSize);
}
-
+
Out << " }";
+ } else if (const ConstantPacked *CP = dyn_cast<ConstantPacked>(CV)) {
+ const Type *ETy = CP->getType()->getElementType();
+ assert(CP->getNumOperands() > 0 &&
+ "Number of operands for a PackedConst must be > 0");
+ Out << '<';
+ Out << ' ';
+ printTypeInt(Out, ETy, TypeTable);
+ WriteAsOperandInternal(Out, CP->getOperand(0),
+ PrintName, TypeTable, Machine);
+ for (unsigned i = 1, e = CP->getNumOperands(); i != e; ++i) {
+ Out << ", ";
+ printTypeInt(Out, ETy, TypeTable);
+ WriteAsOperandInternal(Out, CP->getOperand(i), PrintName,
+ TypeTable, Machine);
+ }
+ Out << " >";
} else if (isa<ConstantPointerNull>(CV)) {
Out << "null";
- } else if (const ConstantPointerRef *PR = dyn_cast<ConstantPointerRef>(CV)) {
- WriteAsOperandInternal(Out, PR->getValue(), true, TypeTable, Table);
+ } else if (isa<UndefValue>(CV)) {
+ Out << "undef";
} 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);
+ WriteAsOperandInternal(Out, *OI, PrintName, TypeTable, Machine);
if (OI+1 != CE->op_end())
Out << ", ";
}
-
+
if (CE->getOpcode() == Instruction::Cast) {
Out << " to ";
printTypeInt(Out, CE->getType(), TypeTable);
}
- Out << ")";
+ Out << ')';
} else {
Out << "<placeholder or erroneous Constant>";
}
-// WriteAsOperand - Write the name of the specified value out to the specified
-// ostream. This can be useful when you just want to print int %reg126, not the
-// whole instruction that generated it.
-//
-static void WriteAsOperandInternal(std::ostream &Out, const Value *V,
+/// WriteAsOperand - Write the name of the specified value out to the specified
+/// ostream. This can be useful when you just want to print int %reg126, not
+/// the whole instruction that generated it.
+///
+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()) {
+ SlotMachine *Machine) {
+ Out << ' ';
+ if ((PrintName || isa<GlobalValue>(V)) && V->hasName())
Out << getLLVMName(V->getName());
- } else {
- if (const Constant *CV = dyn_cast<Constant>(V)) {
- WriteConstantInt(Out, CV, PrintName, TypeTable, Table);
+ else {
+ const Constant *CV = dyn_cast<Constant>(V);
+ if (CV && !isa<GlobalValue>(CV)) {
+ WriteConstantInt(Out, CV, PrintName, TypeTable, Machine);
+ } else if (const InlineAsm *IA = dyn_cast<InlineAsm>(V)) {
+ Out << "asm ";
+ if (IA->hasSideEffects())
+ Out << "sideeffect ";
+ Out << '"';
+ PrintEscapedString(IA->getAsmString(), Out);
+ Out << "\", \"";
+ PrintEscapedString(IA->getConstraintString(), Out);
+ Out << '"';
} else {
int Slot;
- if (Table) {
- Slot = Table->getSlot(V);
+ if (Machine) {
+ Slot = Machine->getSlot(V);
} else {
- if (const Type *Ty = dyn_cast<Type>(V)) {
- Out << Ty->getDescription();
- return;
- }
-
- Table = createSlotCalculator(V);
- if (Table == 0) { Out << "BAD VALUE TYPE!"; return; }
-
- Slot = Table->getSlot(V);
- delete Table;
+ Machine = createSlotMachine(V);
+ if (Machine == 0)
+ Slot = Machine->getSlot(V);
+ else
+ Slot = -1;
+ delete Machine;
}
- if (Slot >= 0) Out << "%" << Slot;
- else if (PrintName)
- Out << "<badref>"; // Not embedded into a location?
+ if (Slot != -1)
+ Out << '%' << Slot;
+ else
+ Out << "<badref>";
}
}
}
-
-
-// WriteAsOperand - Write the name of the specified value out to the specified
-// ostream. This can be useful when you just want to print int %reg126, not the
-// whole instruction that generated it.
-//
+/// WriteAsOperand - Write the name of the specified value out to the specified
+/// ostream. This can be useful when you just want to print int %reg126, not
+/// the whole instruction that generated it.
+///
std::ostream &llvm::WriteAsOperand(std::ostream &Out, const Value *V,
- bool PrintType,
- bool PrintName, const Module *Context) {
+ bool PrintType, bool PrintName,
+ const Module *Context) {
std::map<const Type *, std::string> TypeNames;
if (Context == 0) Context = getModuleFromVal(V);
if (PrintType)
printTypeInt(Out, V->getType(), TypeNames);
-
- if (const Type *Ty = dyn_cast<Type> (V))
- printTypeInt(Out, Ty, TypeNames);
WriteAsOperandInternal(Out, V, PrintName, TypeNames, 0);
return Out;
}
+/// WriteAsOperandInternal - Write the name of the specified value out to
+/// the specified ostream. This can be useful when you just want to print
+/// int %reg126, not the whole instruction that generated it.
+///
+static void WriteAsOperandInternal(std::ostream &Out, const Type *T,
+ bool PrintName,
+ std::map<const Type*, std::string> &TypeTable,
+ SlotMachine *Machine) {
+ Out << ' ';
+ int Slot;
+ if (Machine) {
+ Slot = Machine->getSlot(T);
+ if (Slot != -1)
+ Out << '%' << Slot;
+ else
+ Out << "<badref>";
+ } else {
+ Out << T->getDescription();
+ }
+}
+
+/// WriteAsOperand - Write the name of the specified value out to the specified
+/// ostream. This can be useful when you just want to print int %reg126, not
+/// the whole instruction that generated it.
+///
+std::ostream &llvm::WriteAsOperand(std::ostream &Out, const Type *Ty,
+ bool PrintType, bool PrintName,
+ const Module *Context) {
+ std::map<const Type *, std::string> TypeNames;
+ assert(Context != 0 && "Can't write types as operand without module context");
+
+ fillTypeNameTable(Context, TypeNames);
+
+ // if (PrintType)
+ // printTypeInt(Out, V->getType(), TypeNames);
+
+ printTypeInt(Out, Ty, TypeNames);
+
+ WriteAsOperandInternal(Out, Ty, PrintName, TypeNames, 0);
+ return Out;
+}
+
namespace llvm {
class AssemblyWriter {
std::ostream &Out;
- SlotCalculator &Table;
+ SlotMachine &Machine;
const Module *TheModule;
std::map<const Type *, std::string> TypeNames;
AssemblyAnnotationWriter *AnnotationWriter;
public:
- inline AssemblyWriter(std::ostream &o, SlotCalculator &Tab, const Module *M,
+ inline AssemblyWriter(std::ostream &o, SlotMachine &Mac, const Module *M,
AssemblyAnnotationWriter *AAW)
- : Out(o), Table(Tab), TheModule(M), AnnotationWriter(AAW) {
+ : Out(o), Machine(Mac), TheModule(M), AnnotationWriter(AAW) {
// If the module has a symbol table, take all global types and stuff their
// names into the TypeNames map.
void writeOperand(const Value *Op, bool PrintType, bool PrintName = true);
-private :
+ const Module* getModule() { return TheModule; }
+
+private:
void printModule(const Module *M);
void printSymbolTable(const SymbolTable &ST);
void printConstant(const Constant *CPV);
// which slot it occupies.
void printInfoComment(const Value &V);
};
-} // end of anonymous namespace
+} // end of llvm namespace
-// printTypeAtLeastOneLevel - Print out one level of the possibly complex type
-// without considering any symbolic types that we may have equal to it.
-//
+/// printTypeAtLeastOneLevel - Print out one level of the possibly complex type
+/// without considering any symbolic types that we may have equal to it.
+///
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(),
- E = FTy->getParamTypes().end(); I != E; ++I) {
- if (I != FTy->getParamTypes().begin())
+ for (FunctionType::param_iterator I = FTy->param_begin(),
+ E = FTy->param_end(); I != E; ++I) {
+ if (I != FTy->param_begin())
Out << ", ";
printType(*I);
}
if (FTy->isVarArg()) {
- if (!FTy->getParamTypes().empty()) Out << ", ";
+ if (FTy->getNumParams()) Out << ", ";
Out << "...";
}
- Out << ")";
+ Out << ')';
} else if (const StructType *STy = dyn_cast<StructType>(Ty)) {
Out << "{ ";
- for (StructType::ElementTypes::const_iterator
- I = STy->getElementTypes().begin(),
- E = STy->getElementTypes().end(); I != E; ++I) {
- if (I != STy->getElementTypes().begin())
+ for (StructType::element_iterator I = STy->element_begin(),
+ E = STy->element_end(); I != E; ++I) {
+ if (I != STy->element_begin())
Out << ", ";
printType(*I);
}
Out << " }";
} else if (const PointerType *PTy = dyn_cast<PointerType>(Ty)) {
- printType(PTy->getElementType()) << "*";
+ printType(PTy->getElementType()) << '*';
} 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 << '[' << ATy->getNumElements() << " x ";
+ printType(ATy->getElementType()) << ']';
+ } else if (const PackedType *PTy = dyn_cast<PackedType>(Ty)) {
+ Out << '<' << PTy->getNumElements() << " x ";
+ printType(PTy->getElementType()) << '>';
+ }
+ else if (const OpaqueType *OTy = dyn_cast<OpaqueType>(Ty)) {
Out << "opaque";
} else {
if (!Ty->isPrimitiveType())
}
-void AssemblyWriter::writeOperand(const Value *Operand, bool PrintType,
- bool PrintName) {
- if (PrintType) { Out << " "; printType(Operand->getType()); }
- WriteAsOperandInternal(Out, Operand, PrintName, TypeNames, &Table);
+void AssemblyWriter::writeOperand(const Value *Operand, bool PrintType,
+ bool PrintName) {
+ if (Operand != 0) {
+ if (PrintType) { Out << ' '; printType(Operand->getType()); }
+ WriteAsOperandInternal(Out, Operand, PrintName, TypeNames, &Machine);
+ } else {
+ Out << "<null operand!>";
+ }
}
void AssemblyWriter::printModule(const Module *M) {
+ if (!M->getModuleIdentifier().empty() &&
+ // Don't print the ID if it will start a new line (which would
+ // require a comment char before it).
+ M->getModuleIdentifier().find('\n') == std::string::npos)
+ Out << "; ModuleID = '" << M->getModuleIdentifier() << "'\n";
+
switch (M->getEndianness()) {
case Module::LittleEndian: Out << "target endian = little\n"; break;
case Module::BigEndian: Out << "target endian = big\n"; break;
case Module::Pointer64: Out << "target pointersize = 64\n"; break;
case Module::AnyPointerSize: break;
}
+ if (!M->getTargetTriple().empty())
+ Out << "target triple = \"" << M->getTargetTriple() << "\"\n";
+
+ if (!M->getModuleInlineAsm().empty()) {
+ // Split the string into lines, to make it easier to read the .ll file.
+ std::string Asm = M->getModuleInlineAsm();
+ size_t CurPos = 0;
+ size_t NewLine = Asm.find_first_of('\n', CurPos);
+ while (NewLine != std::string::npos) {
+ // We found a newline, print the portion of the asm string from the
+ // last newline up to this newline.
+ Out << "module asm \"";
+ PrintEscapedString(std::string(Asm.begin()+CurPos, Asm.begin()+NewLine),
+ Out);
+ Out << "\"\n";
+ CurPos = NewLine+1;
+ NewLine = Asm.find_first_of('\n', CurPos);
+ }
+ Out << "module asm \"";
+ PrintEscapedString(std::string(Asm.begin()+CurPos, Asm.end()), Out);
+ Out << "\"\n";
+ }
- // Loop over the symbol table, emitting all named constants...
+ // Loop over the dependent libraries and emit them.
+ Module::lib_iterator LI = M->lib_begin();
+ Module::lib_iterator LE = M->lib_end();
+ if (LI != LE) {
+ Out << "deplibs = [ ";
+ while (LI != LE) {
+ Out << '"' << *LI << '"';
+ ++LI;
+ if (LI != LE)
+ Out << ", ";
+ }
+ Out << " ]\n";
+ }
+
+ // Loop over the symbol table, emitting all named constants.
printSymbolTable(M->getSymbolTable());
-
- for (Module::const_giterator I = M->gbegin(), E = M->gend(); I != E; ++I)
+
+ for (Module::const_global_iterator I = M->global_begin(), E = M->global_end(); I != E; ++I)
printGlobal(I);
Out << "\nimplementation ; Functions:\n";
-
- // Output all of the functions...
+
+ // Output all of the functions.
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 << getLLVMName(GV->getName()) << " = ";
- if (!GV->hasInitializer())
+ if (!GV->hasInitializer())
Out << "external ";
else
switch (GV->getLinkage()) {
case GlobalValue::WeakLinkage: Out << "weak "; break;
case GlobalValue::AppendingLinkage: Out << "appending "; break;
case GlobalValue::ExternalLinkage: break;
+ case GlobalValue::GhostLinkage:
+ std::cerr << "GhostLinkage not allowed in AsmWriter!\n";
+ abort();
}
Out << (GV->isConstant() ? "constant " : "global ");
printType(GV->getType()->getElementType());
- if (GV->hasInitializer())
- writeOperand(GV->getInitializer(), false, false);
-
+ if (GV->hasInitializer()) {
+ Constant* C = cast<Constant>(GV->getInitializer());
+ assert(C && "GlobalVar initializer isn't constant?");
+ writeOperand(GV->getInitializer(), false, isa<GlobalValue>(C));
+ }
+
+ if (GV->hasSection())
+ Out << ", section \"" << GV->getSection() << '"';
+ if (GV->getAlignment())
+ Out << ", align " << GV->getAlignment();
+
printInfoComment(*GV);
Out << "\n";
}
-// printSymbolTable - Run through symbol table looking for named constants
-// if a named constant is found, emit it's declaration...
-//
+// printSymbolTable - Run through symbol table looking for constants
+// and types. Emit their declarations.
void AssemblyWriter::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);
-
- for (; I != End; ++I) {
- const Value *V = I->second;
- if (const Constant *CPV = dyn_cast<Constant>(V)) {
- printConstant(CPV);
- } else if (const Type *Ty = dyn_cast<Type>(V)) {
- assert(Ty->getType() == Type::TypeTy && TI->first == Type::TypeTy);
- 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
- //
- printTypeAtLeastOneLevel(Ty) << "\n";
+
+ // Print the types.
+ for (SymbolTable::type_const_iterator TI = ST.type_begin();
+ TI != ST.type_end(); ++TI ) {
+ Out << "\t" << getLLVMName(TI->first) << " = type ";
+
+ // Make sure we print out at least one level of the type structure, so
+ // that we do not get %FILE = type %FILE
+ //
+ printTypeAtLeastOneLevel(TI->second) << "\n";
+ }
+
+ // Print the constants, in type plane order.
+ for (SymbolTable::plane_const_iterator PI = ST.plane_begin();
+ PI != ST.plane_end(); ++PI ) {
+ SymbolTable::value_const_iterator VI = ST.value_begin(PI->first);
+ SymbolTable::value_const_iterator VE = ST.value_end(PI->first);
+
+ for (; VI != VE; ++VI) {
+ const Value* V = VI->second;
+ const Constant *CPV = dyn_cast<Constant>(V) ;
+ if (CPV && !isa<GlobalValue>(V)) {
+ printConstant(CPV);
}
}
}
}
-// printConstant - Print out a constant pool entry...
-//
+/// printConstant - Print out a constant pool entry...
+///
void AssemblyWriter::printConstant(const Constant *CPV) {
// Don't print out unnamed constants, they will be inlined
if (!CPV->hasName()) return;
Out << "\n";
}
-// printFunction - Print all aspects of a function.
-//
+/// printFunction - Print all aspects of a function.
+///
void AssemblyWriter::printFunction(const Function *F) {
// Print out the return type and name...
Out << "\n";
+ // Ensure that no local symbols conflict with global symbols.
+ const_cast<Function*>(F)->renameLocalSymbols();
+
if (AnnotationWriter) AnnotationWriter->emitFunctionAnnot(F, Out);
if (F->isExternal())
case GlobalValue::WeakLinkage: Out << "weak "; break;
case GlobalValue::AppendingLinkage: Out << "appending "; break;
case GlobalValue::ExternalLinkage: break;
+ case GlobalValue::GhostLinkage:
+ std::cerr << "GhostLinkage not allowed in AsmWriter!\n";
+ abort();
}
- printType(F->getReturnType()) << " ";
+ // Print the calling convention.
+ switch (F->getCallingConv()) {
+ case CallingConv::C: break; // default
+ case CallingConv::Fast: Out << "fastcc "; break;
+ case CallingConv::Cold: Out << "coldcc "; break;
+ default: Out << "cc" << F->getCallingConv() << " "; break;
+ }
+
+ printType(F->getReturnType()) << ' ';
if (!F->getName().empty())
Out << getLLVMName(F->getName());
else
Out << "\"\"";
- Out << "(";
- Table.incorporateFunction(F);
+ Out << '(';
+ Machine.incorporateFunction(F);
// Loop over the arguments, printing them...
const FunctionType *FT = F->getFunctionType();
- for(Function::const_aiterator I = F->abegin(), E = F->aend(); I != E; ++I)
+ for(Function::const_arg_iterator I = F->arg_begin(), E = F->arg_end(); I != E; ++I)
printArgument(I);
// Finish printing arguments...
if (FT->isVarArg()) {
- if (FT->getParamTypes().size()) Out << ", ";
+ if (FT->getNumParams()) Out << ", ";
Out << "..."; // Output varargs portion of signature!
}
- Out << ")";
+ Out << ')';
+
+ if (F->hasSection())
+ Out << " section \"" << F->getSection() << '"';
+ if (F->getAlignment())
+ Out << " align " << F->getAlignment();
if (F->isExternal()) {
Out << "\n";
} else {
Out << " {";
-
+
// Output all of its basic blocks... for the function
for (Function::const_iterator I = F->begin(), E = F->end(); I != E; ++I)
printBasicBlock(I);
Out << "}\n";
}
- Table.purgeFunction();
+ Machine.purgeFunction();
}
-// printArgument - This member is called for every argument that
-// is passed into the function. Simply print it out
-//
+/// printArgument - This member is called for every argument that is passed into
+/// the function. Simply print it out
+///
void AssemblyWriter::printArgument(const Argument *Arg) {
// Insert commas as we go... the first arg doesn't get a comma
- if (Arg != &Arg->getParent()->afront()) Out << ", ";
+ if (Arg != Arg->getParent()->arg_begin()) Out << ", ";
// Output type...
printType(Arg->getType());
-
+
// Output name, if available...
if (Arg->hasName())
- Out << " " << getLLVMName(Arg->getName());
- else if (Table.getSlot(Arg) < 0)
- Out << "<badref>";
+ Out << ' ' << getLLVMName(Arg->getName());
}
-// printBasicBlock - This member is called for each basic block in a method.
-//
+/// printBasicBlock - This member is called for each basic block in a method.
+///
void AssemblyWriter::printBasicBlock(const BasicBlock *BB) {
if (BB->hasName()) { // Print out the label if it exists...
- Out << "\n" << BB->getName() << ":";
+ Out << "\n" << getLLVMName(BB->getName(), false) << ':';
} else if (!BB->use_empty()) { // Don't print block # of no uses...
- int Slot = Table.getSlot(BB);
Out << "\n; <label>:";
- if (Slot >= 0)
- Out << Slot; // Extra newline separates out label's
- else
- Out << "<badref>";
+ int Slot = Machine.getSlot(BB);
+ if (Slot != -1)
+ Out << Slot;
+ else
+ Out << "<badref>";
}
if (BB->getParent() == 0)
// 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 << ",";
+ Out << ',';
writeOperand(*PI, false, true);
}
}
}
}
-
+
Out << "\n";
- if (AnnotationWriter) AnnotationWriter->emitBasicBlockAnnot(BB, Out);
+ if (AnnotationWriter) AnnotationWriter->emitBasicBlockStartAnnot(BB, Out);
// Output all of the instructions in the basic block...
for (BasicBlock::const_iterator I = BB->begin(), E = BB->end(); I != E; ++I)
printInstruction(*I);
+
+ if (AnnotationWriter) AnnotationWriter->emitBasicBlockEndAnnot(BB, Out);
}
-// printInfoComment - Print a little comment after the instruction indicating
-// which slot it occupies.
-//
+/// printInfoComment - Print a little comment after the instruction indicating
+/// which slot it occupies.
+///
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.getSlot(&V); // Print out the def slot taken...
- if (Slot >= 0) Out << ":" << Slot;
- else Out << ":<badref>";
+ int SlotNum = Machine.getSlot(&V);
+ if (SlotNum == -1)
+ Out << ":<badref>";
+ else
+ Out << ':' << SlotNum; // Print out the def slot taken.
}
- Out << " [#uses=" << V.use_size() << "]"; // Output # uses
+ Out << " [#uses=" << V.getNumUses() << ']'; // Output # uses
}
}
-// printInstruction - This member is called for each Instruction in a method.
-//
+/// printInstruction - This member is called for each Instruction in a function..
+///
void AssemblyWriter::printInstruction(const Instruction &I) {
if (AnnotationWriter) AnnotationWriter->emitInstructionAnnot(&I, Out);
if (I.hasName())
Out << getLLVMName(I.getName()) << " = ";
- // If this is a volatile load or store, print out the volatile marker
+ // If this is a volatile load or store, print out the volatile marker.
if ((isa<LoadInst>(I) && cast<LoadInst>(I).isVolatile()) ||
- (isa<StoreInst>(I) && cast<StoreInst>(I).isVolatile()))
+ (isa<StoreInst>(I) && cast<StoreInst>(I).isVolatile())) {
Out << "volatile ";
+ } else if (isa<CallInst>(I) && cast<CallInst>(I).isTailCall()) {
+ // If this is a call, check if it's a tail call.
+ Out << "tail ";
+ }
// Print out the opcode...
Out << I.getOpcodeName();
// Special case conditional branches to swizzle the condition out to the front
if (isa<BranchInst>(I) && I.getNumOperands() > 1) {
writeOperand(I.getOperand(2), true);
- Out << ",";
+ Out << ',';
writeOperand(Operand, true);
- Out << ",";
+ Out << ',';
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(Operand , true); Out << ',';
writeOperand(I.getOperand(1), true); Out << " [";
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 ), true); Out << ',';
writeOperand(I.getOperand(op+1), true);
}
Out << "\n\t]";
} else if (isa<PHINode>(I)) {
- Out << " ";
+ Out << ' ';
printType(I.getType());
- Out << " ";
+ Out << ' ';
for (unsigned op = 0, Eop = I.getNumOperands(); op < Eop; op += 2) {
if (op) Out << ", ";
- Out << "[";
- writeOperand(I.getOperand(op ), false); Out << ",";
+ 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)) {
+ } else if (const CallInst *CI = dyn_cast<CallInst>(&I)) {
+ // Print the calling convention being used.
+ switch (CI->getCallingConv()) {
+ case CallingConv::C: break; // default
+ case CallingConv::Fast: Out << " fastcc"; break;
+ case CallingConv::Cold: Out << " coldcc"; break;
+ default: Out << " cc" << CI->getCallingConv(); break;
+ }
+
const PointerType *PTy = cast<PointerType>(Operand->getType());
const FunctionType *FTy = cast<FunctionType>(PTy->getElementType());
const Type *RetTy = FTy->getReturnType();
// and if the return type is not a pointer to a function.
//
if (!FTy->isVarArg() &&
- (!isa<PointerType>(RetTy) ||
+ (!isa<PointerType>(RetTy) ||
!isa<FunctionType>(cast<PointerType>(RetTy)->getElementType()))) {
- Out << " "; printType(RetTy);
+ Out << ' '; printType(RetTy);
writeOperand(Operand, false);
} else {
writeOperand(Operand, true);
}
- Out << "(";
- if (I.getNumOperands() > 1) writeOperand(I.getOperand(1), true);
+ Out << '(';
+ if (CI->getNumOperands() > 1) writeOperand(CI->getOperand(1), true);
for (unsigned op = 2, Eop = I.getNumOperands(); op < Eop; ++op) {
- Out << ",";
+ Out << ',';
writeOperand(I.getOperand(op), true);
}
const FunctionType *FTy = cast<FunctionType>(PTy->getElementType());
const Type *RetTy = FTy->getReturnType();
+ // Print the calling convention being used.
+ switch (II->getCallingConv()) {
+ case CallingConv::C: break; // default
+ case CallingConv::Fast: Out << " fastcc"; break;
+ case CallingConv::Cold: Out << " coldcc"; break;
+ default: Out << " cc" << II->getCallingConv(); break;
+ }
+
// 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<PointerType>(RetTy) ||
!isa<FunctionType>(cast<PointerType>(RetTy)->getElementType()))) {
- Out << " "; printType(RetTy);
+ Out << ' '; printType(RetTy);
writeOperand(Operand, false);
} else {
writeOperand(Operand, true);
}
- Out << "(";
+ Out << '(';
if (I.getNumOperands() > 3) writeOperand(I.getOperand(3), true);
for (unsigned op = 4, Eop = I.getNumOperands(); op < Eop; ++op) {
- Out << ",";
+ Out << ',';
writeOperand(I.getOperand(op), true);
}
writeOperand(II->getUnwindDest(), true);
} else if (const AllocationInst *AI = dyn_cast<AllocationInst>(&I)) {
- Out << " ";
+ Out << ' ';
printType(AI->getType()->getElementType());
if (AI->isArrayAllocation()) {
- Out << ",";
+ Out << ',';
writeOperand(AI->getArraySize(), true);
}
+ if (AI->getAlignment()) {
+ Out << ", align " << AI->getAlignment();
+ }
} else if (isa<CastInst>(I)) {
if (Operand) writeOperand(Operand, true); // Work with broken code
Out << " to ";
if (Operand) writeOperand(Operand, true); // Work with broken code
Out << ", ";
printType(I.getType());
- } else if (const VANextInst *VAN = dyn_cast<VANextInst>(&I)) {
- if (Operand) writeOperand(Operand, true); // Work with broken code
- Out << ", ";
- printType(VAN->getArgType());
} else if (Operand) { // Print the normal way...
- // PrintAllTypes - Instructions who have operands of all the same type
+ // PrintAllTypes - Instructions who have operands of all the same type
// omit the type from all but the first operand. If the instruction has
// different type operands (for example br), then they are all printed.
bool PrintAllTypes = false;
const Type *TheType = Operand->getType();
- // Shift Left & Right print both types even for Ubyte LHS
- if (isa<ShiftInst>(I)) {
+ // Shift Left & Right print both types even for Ubyte LHS, and select prints
+ // types even if all operands are bools.
+ if (isa<ShiftInst>(I) || isa<SelectInst>(I) || isa<StoreInst>(I)) {
PrintAllTypes = true;
} else {
for (unsigned i = 1, E = I.getNumOperands(); i != E; ++i) {
}
}
}
-
+
if (!PrintAllTypes) {
- Out << " ";
+ Out << ' ';
printType(TheType);
}
for (unsigned i = 0, E = I.getNumOperands(); i != E; ++i) {
- if (i) Out << ",";
+ if (i) Out << ',';
writeOperand(I.getOperand(i), PrintAllTypes);
}
}
//===----------------------------------------------------------------------===//
void Module::print(std::ostream &o, AssemblyAnnotationWriter *AAW) const {
- SlotCalculator SlotTable(this, false);
+ SlotMachine SlotTable(this);
AssemblyWriter W(o, SlotTable, this, AAW);
W.write(this);
}
void GlobalVariable::print(std::ostream &o) const {
- SlotCalculator SlotTable(getParent(), false);
+ SlotMachine SlotTable(getParent());
AssemblyWriter W(o, SlotTable, getParent(), 0);
W.write(this);
}
void Function::print(std::ostream &o, AssemblyAnnotationWriter *AAW) const {
- SlotCalculator SlotTable(getParent(), false);
+ SlotMachine SlotTable(getParent());
AssemblyWriter W(o, SlotTable, getParent(), AAW);
W.write(this);
}
+void InlineAsm::print(std::ostream &o, AssemblyAnnotationWriter *AAW) const {
+ WriteAsOperand(o, this, true, true, 0);
+}
+
void BasicBlock::print(std::ostream &o, AssemblyAnnotationWriter *AAW) const {
- SlotCalculator SlotTable(getParent(), false);
- AssemblyWriter W(o, SlotTable,
+ SlotMachine SlotTable(getParent());
+ AssemblyWriter W(o, SlotTable,
getParent() ? getParent()->getParent() : 0, AAW);
W.write(this);
}
void Instruction::print(std::ostream &o, AssemblyAnnotationWriter *AAW) const {
const Function *F = getParent() ? getParent()->getParent() : 0;
- SlotCalculator SlotTable(F, false);
+ SlotMachine SlotTable(F);
AssemblyWriter W(o, SlotTable, F ? F->getParent() : 0, AAW);
W.write(this);
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() << " ";
-
- std::map<const Type *, std::string> TypeTable;
- WriteConstantInt(o, this, false, TypeTable, 0);
+ o << ' ' << getType()->getDescription() << ' ';
}
-void Type::print(std::ostream &o) const {
+void Type::print(std::ostream &o) const {
if (this == 0)
o << "<null Type>";
else
}
void Argument::print(std::ostream &o) const {
- o << getType() << " " << getName();
+ WriteAsOperand(o, this, true, true,
+ getParent() ? getParent()->getParent() : 0);
}
+// Value::dump - allow easy printing of Values from the debugger.
+// Located here because so much of the needed functionality is here.
void Value::dump() const { print(std::cerr); }
+// Type::dump - allow easy printing of Values from the debugger.
+// Located here because so much of the needed functionality is here.
+void Type::dump() const { print(std::cerr); }
+
//===----------------------------------------------------------------------===//
// CachedWriter Class Implementation
//===----------------------------------------------------------------------===//
void CachedWriter::setModule(const Module *M) {
delete SC; delete AW;
if (M) {
- SC = new SlotCalculator(M, false);
+ SC = new SlotMachine(M );
AW = new AssemblyWriter(Out, *SC, M, 0);
} else {
SC = 0; AW = 0;
delete SC;
}
-CachedWriter &CachedWriter::operator<<(const Value *V) {
+CachedWriter &CachedWriter::operator<<(const Value &V) {
assert(AW && SC && "CachedWriter does not have a current module!");
- switch (V->getValueType()) {
- case Value::ConstantVal:
- case Value::ArgumentVal: AW->writeOperand(V, true, true); 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;
- case Value::GlobalVariableVal: AW->write(cast<GlobalVariable>(V)); break;
- default: Out << "<unknown value type: " << V->getValueType() << ">"; break;
+ if (const Instruction *I = dyn_cast<Instruction>(&V))
+ AW->write(I);
+ else if (const BasicBlock *BB = dyn_cast<BasicBlock>(&V))
+ AW->write(BB);
+ else if (const Function *F = dyn_cast<Function>(&V))
+ AW->write(F);
+ else if (const GlobalVariable *GV = dyn_cast<GlobalVariable>(&V))
+ AW->write(GV);
+ else
+ AW->writeOperand(&V, true, true);
+ return *this;
+}
+
+CachedWriter& CachedWriter::operator<<(const Type &Ty) {
+ if (SymbolicTypes) {
+ const Module *M = AW->getModule();
+ if (M) WriteTypeSymbolic(Out, &Ty, M);
+ } else {
+ AW->write(&Ty);
}
return *this;
}
+
+//===----------------------------------------------------------------------===//
+//===-- SlotMachine Implementation
+//===----------------------------------------------------------------------===//
+
+#if 0
+#define SC_DEBUG(X) std::cerr << X
+#else
+#define SC_DEBUG(X)
+#endif
+
+// Module level constructor. Causes the contents of the Module (sans functions)
+// to be added to the slot table.
+SlotMachine::SlotMachine(const Module *M)
+ : TheModule(M) ///< Saved for lazy initialization.
+ , TheFunction(0)
+ , FunctionProcessed(false)
+ , mMap()
+ , mTypes()
+ , fMap()
+ , fTypes()
+{
+}
+
+// Function level constructor. Causes the contents of the Module and the one
+// function provided to be added to the slot table.
+SlotMachine::SlotMachine(const Function *F )
+ : TheModule( F ? F->getParent() : 0 ) ///< Saved for lazy initialization
+ , TheFunction(F) ///< Saved for lazy initialization
+ , FunctionProcessed(false)
+ , mMap()
+ , mTypes()
+ , fMap()
+ , fTypes()
+{
+}
+
+inline void SlotMachine::initialize(void) {
+ if ( TheModule) {
+ processModule();
+ TheModule = 0; ///< Prevent re-processing next time we're called.
+ }
+ if ( TheFunction && ! FunctionProcessed) {
+ processFunction();
+ }
+}
+
+// Iterate through all the global variables, functions, and global
+// variable initializers and create slots for them.
+void SlotMachine::processModule() {
+ SC_DEBUG("begin processModule!\n");
+
+ // Add all of the global variables to the value table...
+ for (Module::const_global_iterator I = TheModule->global_begin(), E = TheModule->global_end();
+ I != E; ++I)
+ createSlot(I);
+
+ // Add all the functions to the table
+ for (Module::const_iterator I = TheModule->begin(), E = TheModule->end();
+ I != E; ++I)
+ createSlot(I);
+
+ SC_DEBUG("end processModule!\n");
+}
+
+
+// Process the arguments, basic blocks, and instructions of a function.
+void SlotMachine::processFunction() {
+ SC_DEBUG("begin processFunction!\n");
+
+ // Add all the function arguments
+ for(Function::const_arg_iterator AI = TheFunction->arg_begin(),
+ AE = TheFunction->arg_end(); AI != AE; ++AI)
+ createSlot(AI);
+
+ SC_DEBUG("Inserting Instructions:\n");
+
+ // Add all of the basic blocks and instructions
+ for (Function::const_iterator BB = TheFunction->begin(),
+ E = TheFunction->end(); BB != E; ++BB) {
+ createSlot(BB);
+ for (BasicBlock::const_iterator I = BB->begin(), E = BB->end(); I!=E; ++I) {
+ createSlot(I);
+ }
+ }
+
+ FunctionProcessed = true;
+
+ SC_DEBUG("end processFunction!\n");
+}
+
+// Clean up after incorporating a function. This is the only way
+// to get out of the function incorporation state that affects the
+// getSlot/createSlot lock. Function incorporation state is indicated
+// by TheFunction != 0.
+void SlotMachine::purgeFunction() {
+ SC_DEBUG("begin purgeFunction!\n");
+ fMap.clear(); // Simply discard the function level map
+ fTypes.clear();
+ TheFunction = 0;
+ FunctionProcessed = false;
+ SC_DEBUG("end purgeFunction!\n");
+}
+
+/// Get the slot number for a value. This function will assert if you
+/// ask for a Value that hasn't previously been inserted with createSlot.
+/// Types are forbidden because Type does not inherit from Value (any more).
+int SlotMachine::getSlot(const Value *V) {
+ assert( V && "Can't get slot for null Value" );
+ assert(!isa<Constant>(V) || isa<GlobalValue>(V) &&
+ "Can't insert a non-GlobalValue Constant into SlotMachine");
+
+ // Check for uninitialized state and do lazy initialization
+ this->initialize();
+
+ // Get the type of the value
+ const Type* VTy = V->getType();
+
+ // Find the type plane in the module map
+ TypedPlanes::const_iterator MI = mMap.find(VTy);
+
+ if ( TheFunction ) {
+ // Lookup the type in the function map too
+ TypedPlanes::const_iterator FI = fMap.find(VTy);
+ // If there is a corresponding type plane in the function map
+ if ( FI != fMap.end() ) {
+ // Lookup the Value in the function map
+ ValueMap::const_iterator FVI = FI->second.map.find(V);
+ // If the value doesn't exist in the function map
+ if ( FVI == FI->second.map.end() ) {
+ // Look up the value in the module map.
+ if (MI == mMap.end()) return -1;
+ ValueMap::const_iterator MVI = MI->second.map.find(V);
+ // If we didn't find it, it wasn't inserted
+ if (MVI == MI->second.map.end()) return -1;
+ assert( MVI != MI->second.map.end() && "Value not found");
+ // We found it only at the module level
+ return MVI->second;
+
+ // else the value exists in the function map
+ } else {
+ // Return the slot number as the module's contribution to
+ // the type plane plus the index in the function's contribution
+ // to the type plane.
+ if (MI != mMap.end())
+ return MI->second.next_slot + FVI->second;
+ else
+ return FVI->second;
+ }
+ }
+ }
+
+ // N.B. Can get here only if either !TheFunction or the function doesn't
+ // have a corresponding type plane for the Value
+
+ // Make sure the type plane exists
+ if (MI == mMap.end()) return -1;
+ // Lookup the value in the module's map
+ ValueMap::const_iterator MVI = MI->second.map.find(V);
+ // Make sure we found it.
+ if (MVI == MI->second.map.end()) return -1;
+ // Return it.
+ return MVI->second;
+}
+
+/// Get the slot number for a value. This function will assert if you
+/// ask for a Value that hasn't previously been inserted with createSlot.
+/// Types are forbidden because Type does not inherit from Value (any more).
+int SlotMachine::getSlot(const Type *Ty) {
+ assert( Ty && "Can't get slot for null Type" );
+
+ // Check for uninitialized state and do lazy initialization
+ this->initialize();
+
+ if ( TheFunction ) {
+ // Lookup the Type in the function map
+ TypeMap::const_iterator FTI = fTypes.map.find(Ty);
+ // If the Type doesn't exist in the function map
+ if ( FTI == fTypes.map.end() ) {
+ TypeMap::const_iterator MTI = mTypes.map.find(Ty);
+ // If we didn't find it, it wasn't inserted
+ if (MTI == mTypes.map.end())
+ return -1;
+ // We found it only at the module level
+ return MTI->second;
+
+ // else the value exists in the function map
+ } else {
+ // Return the slot number as the module's contribution to
+ // the type plane plus the index in the function's contribution
+ // to the type plane.
+ return mTypes.next_slot + FTI->second;
+ }
+ }
+
+ // N.B. Can get here only if either !TheFunction
+
+ // Lookup the value in the module's map
+ TypeMap::const_iterator MTI = mTypes.map.find(Ty);
+ // Make sure we found it.
+ if (MTI == mTypes.map.end()) return -1;
+ // Return it.
+ return MTI->second;
+}
+
+// Create a new slot, or return the existing slot if it is already
+// inserted. Note that the logic here parallels getSlot but instead
+// of asserting when the Value* isn't found, it inserts the value.
+unsigned SlotMachine::createSlot(const Value *V) {
+ assert( V && "Can't insert a null Value to SlotMachine");
+ assert(!isa<Constant>(V) || isa<GlobalValue>(V) &&
+ "Can't insert a non-GlobalValue Constant into SlotMachine");
+
+ const Type* VTy = V->getType();
+
+ // Just ignore void typed things
+ if (VTy == Type::VoidTy) return 0; // FIXME: Wrong return value!
+
+ // Look up the type plane for the Value's type from the module map
+ TypedPlanes::const_iterator MI = mMap.find(VTy);
+
+ if ( TheFunction ) {
+ // Get the type plane for the Value's type from the function map
+ TypedPlanes::const_iterator FI = fMap.find(VTy);
+ // If there is a corresponding type plane in the function map
+ if ( FI != fMap.end() ) {
+ // Lookup the Value in the function map
+ ValueMap::const_iterator FVI = FI->second.map.find(V);
+ // If the value doesn't exist in the function map
+ if ( FVI == FI->second.map.end() ) {
+ // If there is no corresponding type plane in the module map
+ if ( MI == mMap.end() )
+ return insertValue(V);
+ // Look up the value in the module map
+ ValueMap::const_iterator MVI = MI->second.map.find(V);
+ // If we didn't find it, it wasn't inserted
+ if ( MVI == MI->second.map.end() )
+ return insertValue(V);
+ else
+ // We found it only at the module level
+ return MVI->second;
+
+ // else the value exists in the function map
+ } else {
+ if ( MI == mMap.end() )
+ return FVI->second;
+ else
+ // Return the slot number as the module's contribution to
+ // the type plane plus the index in the function's contribution
+ // to the type plane.
+ return MI->second.next_slot + FVI->second;
+ }
+
+ // else there is not a corresponding type plane in the function map
+ } else {
+ // If the type plane doesn't exists at the module level
+ if ( MI == mMap.end() ) {
+ return insertValue(V);
+ // else type plane exists at the module level, examine it
+ } else {
+ // Look up the value in the module's map
+ ValueMap::const_iterator MVI = MI->second.map.find(V);
+ // If we didn't find it there either
+ if ( MVI == MI->second.map.end() )
+ // Return the slot number as the module's contribution to
+ // the type plane plus the index of the function map insertion.
+ return MI->second.next_slot + insertValue(V);
+ else
+ return MVI->second;
+ }
+ }
+ }
+
+ // N.B. Can only get here if !TheFunction
+
+ // If the module map's type plane is not for the Value's type
+ if ( MI != mMap.end() ) {
+ // Lookup the value in the module's map
+ ValueMap::const_iterator MVI = MI->second.map.find(V);
+ if ( MVI != MI->second.map.end() )
+ return MVI->second;
+ }
+
+ return insertValue(V);
+}
+
+// Create a new slot, or return the existing slot if it is already
+// inserted. Note that the logic here parallels getSlot but instead
+// of asserting when the Value* isn't found, it inserts the value.
+unsigned SlotMachine::createSlot(const Type *Ty) {
+ assert( Ty && "Can't insert a null Type to SlotMachine");
+
+ if ( TheFunction ) {
+ // Lookup the Type in the function map
+ TypeMap::const_iterator FTI = fTypes.map.find(Ty);
+ // If the type doesn't exist in the function map
+ if ( FTI == fTypes.map.end() ) {
+ // Look up the type in the module map
+ TypeMap::const_iterator MTI = mTypes.map.find(Ty);
+ // If we didn't find it, it wasn't inserted
+ if ( MTI == mTypes.map.end() )
+ return insertValue(Ty);
+ else
+ // We found it only at the module level
+ return MTI->second;
+
+ // else the value exists in the function map
+ } else {
+ // Return the slot number as the module's contribution to
+ // the type plane plus the index in the function's contribution
+ // to the type plane.
+ return mTypes.next_slot + FTI->second;
+ }
+ }
+
+ // N.B. Can only get here if !TheFunction
+
+ // Lookup the type in the module's map
+ TypeMap::const_iterator MTI = mTypes.map.find(Ty);
+ if ( MTI != mTypes.map.end() )
+ return MTI->second;
+
+ return insertValue(Ty);
+}
+
+// Low level insert function. Minimal checking is done. This
+// function is just for the convenience of createSlot (above).
+unsigned SlotMachine::insertValue(const Value *V ) {
+ assert(V && "Can't insert a null Value into SlotMachine!");
+ assert(!isa<Constant>(V) || isa<GlobalValue>(V) &&
+ "Can't insert a non-GlobalValue Constant into SlotMachine");
+
+ // If this value does not contribute to a plane (is void)
+ // or if the value already has a name then ignore it.
+ if (V->getType() == Type::VoidTy || V->hasName() ) {
+ SC_DEBUG("ignored value " << *V << "\n");
+ return 0; // FIXME: Wrong return value
+ }
+
+ const Type *VTy = V->getType();
+ unsigned DestSlot = 0;
+
+ if ( TheFunction ) {
+ TypedPlanes::iterator I = fMap.find( VTy );
+ if ( I == fMap.end() )
+ I = fMap.insert(std::make_pair(VTy,ValuePlane())).first;
+ DestSlot = I->second.map[V] = I->second.next_slot++;
+ } else {
+ TypedPlanes::iterator I = mMap.find( VTy );
+ if ( I == mMap.end() )
+ I = mMap.insert(std::make_pair(VTy,ValuePlane())).first;
+ DestSlot = I->second.map[V] = I->second.next_slot++;
+ }
+
+ SC_DEBUG(" Inserting value [" << VTy << "] = " << V << " slot=" <<
+ DestSlot << " [");
+ // G = Global, C = Constant, T = Type, F = Function, o = other
+ SC_DEBUG((isa<GlobalVariable>(V) ? 'G' : (isa<Function>(V) ? 'F' :
+ (isa<Constant>(V) ? 'C' : 'o'))));
+ SC_DEBUG("]\n");
+ return DestSlot;
+}
+
+// Low level insert function. Minimal checking is done. This
+// function is just for the convenience of createSlot (above).
+unsigned SlotMachine::insertValue(const Type *Ty ) {
+ assert(Ty && "Can't insert a null Type into SlotMachine!");
+
+ unsigned DestSlot = 0;
+
+ if ( TheFunction ) {
+ DestSlot = fTypes.map[Ty] = fTypes.next_slot++;
+ } else {
+ DestSlot = fTypes.map[Ty] = fTypes.next_slot++;
+ }
+ SC_DEBUG(" Inserting type [" << DestSlot << "] = " << Ty << "\n");
+ return DestSlot;
+}
+
+// vim: sw=2
projects / oota-llvm.git / blobdiff