-//===-- Writer.cpp - Library for Printing VM assembly files ------*- C++ -*--=//
+//===-- AsmWriter.cpp - Printing LLVM as an assembly file -----------------===//
//
-// This library implements the functionality defined in llvm/Assembly/Writer.h
+// 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 uses the Analysis library to figure out offsets for
-// variables in the method tables...
+//===----------------------------------------------------------------------===//
+//
+// This library implements the functionality defined in llvm/Assembly/Writer.h
//
-// TODO: print out the type name instead of the full type if a particular type
-// is in the symbol table...
+// Note that these routines must be extremely tolerant of various errors in the
+// LLVM code, because it can be used for debugging transformations.
//
//===----------------------------------------------------------------------===//
+#include "llvm/Assembly/CachedWriter.h"
#include "llvm/Assembly/Writer.h"
-#include "llvm/Analysis/SlotCalculator.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/Instruction.h"
+#include "llvm/Instructions.h"
#include "llvm/Module.h"
-#include "llvm/Method.h"
-#include "llvm/GlobalVariable.h"
-#include "llvm/BasicBlock.h"
-#include "llvm/ConstPoolVals.h"
-#include "llvm/iOther.h"
-#include "llvm/iMemory.h"
-#include "llvm/Support/STLExtras.h"
#include "llvm/SymbolTable.h"
+#include "llvm/Assembly/Writer.h"
+#include "llvm/Support/CFG.h"
+#include "llvm/ADT/StringExtras.h"
+#include "llvm/ADT/STLExtras.h"
#include <algorithm>
+using namespace llvm;
-// 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.
-//
-ostream &WriteAsOperand(ostream &Out, const Value *V, bool PrintType,
- bool PrintName, SlotCalculator *Table) {
- if (PrintType)
- Out << " " << V->getType();
-
- if (PrintName && V->hasName()) {
- Out << " %" << V->getName();
+namespace llvm {
+
+/// 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,
+ 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,
+ SlotMachine *Machine);
+
+static const Module *getModuleFromVal(const Value *V) {
+ if (const Argument *MA = dyn_cast<Argument>(V))
+ return MA->getParent() ? MA->getParent()->getParent() : 0;
+ else if (const BasicBlock *BB = dyn_cast<BasicBlock>(V))
+ return BB->getParent() ? BB->getParent()->getParent() : 0;
+ 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<GlobalValue>(V))
+ return GV->getParent();
+ return 0;
+}
+
+static SlotMachine *createSlotMachine(const Value *V) {
+ if (const Argument *FA = dyn_cast<Argument>(V)) {
+ return new SlotMachine(FA->getParent());
+ } else if (const Instruction *I = dyn_cast<Instruction>(V)) {
+ return new SlotMachine(I->getParent()->getParent());
+ } else if (const BasicBlock *BB = dyn_cast<BasicBlock>(V)) {
+ return new SlotMachine(BB->getParent());
+ } else if (const GlobalVariable *GV = dyn_cast<GlobalVariable>(V)){
+ return new SlotMachine(GV->getParent());
+ } else if (const Function *Func = dyn_cast<Function>(V)) {
+ 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,
+ bool prefixName = true) {
+ 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".
+ if (prefixName)
+ return "%"+Name;
+ else
+ return Name;
+}
+
+
+/// 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::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 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()) {
+ Result += I->second;
+ return;
+ }
+
+ 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
+ // that we have looped back to a type that we have previously visited.
+ // Generate the appropriate upreference to handle this.
+ if (Slot < CurSize) {
+ Result += "\\" + utostr(CurSize-Slot); // Here's the upreference
+ return;
+ }
+
+ TypeStack.push_back(Ty); // Recursive case: Add us to the stack..
+
+ switch (Ty->getTypeID()) {
+ case Type::FunctionTyID: {
+ const FunctionType *FTy = cast<FunctionType>(Ty);
+ 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 += ", ";
+ calcTypeName(*I, TypeStack, TypeNames, Result);
+ }
+ if (FTy->isVarArg()) {
+ if (FTy->getNumParams()) Result += ", ";
+ Result += "...";
+ }
+ Result += ")";
+ break;
+ }
+ case Type::StructTyID: {
+ const StructType *STy = cast<StructType>(Ty);
+ Result += "{ ";
+ for (StructType::element_iterator I = STy->element_begin(),
+ E = STy->element_end(); I != E; ++I) {
+ if (I != STy->element_begin())
+ Result += ", ";
+ calcTypeName(*I, TypeStack, TypeNames, Result);
+ }
+ Result += " }";
+ break;
+ }
+ case Type::PointerTyID:
+ calcTypeName(cast<PointerType>(Ty)->getElementType(),
+ TypeStack, TypeNames, Result);
+ Result += "*";
+ break;
+ case Type::ArrayTyID: {
+ const ArrayType *ATy = cast<ArrayType>(Ty);
+ 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";
+ break;
+ default:
+ Result += "<unrecognized-type>";
+ }
+
+ TypeStack.pop_back(); // Remove self from stack...
+ return;
+}
+
+
+/// 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
+ // they have been named or not.
+ //
+ if (Ty->isPrimitiveType() && !isa<OpaqueType>(Ty))
+ return Out << Ty->getDescription();
+
+ // Check to see if the type is named.
+ 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.
+ //
+ std::vector<const Type *> TypeStack;
+ std::string TypeName;
+ calcTypeName(Ty, TypeStack, TypeNames, TypeName);
+ TypeNames.insert(std::make_pair(Ty, TypeName));//Cache type name for later use
+ 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
+///
+std::ostream &llvm::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) {
+ std::map<const Type *, std::string> TypeNames;
+ fillTypeNameTable(M, TypeNames);
+
+ return printTypeInt(Out, Ty, TypeNames);
} else {
- if (const ConstPoolVal *CPV = dyn_cast<const ConstPoolVal>(V)) {
- Out << " " << CPV->getStrValue();
- } else {
+ return Out << Ty->getDescription();
+ }
+}
+
+/// @brief Internal constant writer.
+static void WriteConstantInt(std::ostream &Out, const Constant *CV,
+ bool PrintName,
+ std::map<const Type *, std::string> &TypeTable,
+ SlotMachine *Machine) {
+ if (const ConstantBool *CB = dyn_cast<ConstantBool>(CV)) {
+ Out << (CB == ConstantBool::True ? "true" : "false");
+ } else if (const ConstantSInt *CI = dyn_cast<ConstantSInt>(CV)) {
+ Out << CI->getValue();
+ } else if (const ConstantUInt *CI = dyn_cast<ConstantUInt>(CV)) {
+ Out << CI->getValue();
+ } else if (const ConstantFP *CFP = dyn_cast<ConstantFP>(CV)) {
+ // We would like to output the FP constant value in exponential notation,
+ // but we cannot do this if doing so will lose precision. Check here to
+ // make sure that we only output it in exponential format if we can parse
+ // the value back and get the same value.
+ //
+ std::string StrVal = ftostr(CFP->getValue());
+
+ // Check to make sure that the stringized number is not some string like
+ // "Inf" or NaN, that atof will accept, but the lexer will not. Check that
+ // the string matches the "[-+]?[0-9]" regex.
+ //
+ if ((StrVal[0] >= '0' && StrVal[0] <= '9') ||
+ ((StrVal[0] == '-' || StrVal[0] == '+') &&
+ (StrVal[1] >= '0' && StrVal[1] <= '9')))
+ // Reparse stringized version!
+ if (atof(StrVal.c_str()) == CFP->getValue()) {
+ 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
+ //
+ union {
+ double D;
+ uint64_t U;
+ } V;
+ V.D = CFP->getValue();
+ assert(sizeof(double) == sizeof(uint64_t) &&
+ "assuming that double is 64 bits!");
+ Out << "0x" << utohexstr(V.U);
+
+ } else if (isa<ConstantAggregateZero>(CV)) {
+ Out << "zeroinitializer";
+ } else if (const ConstantArray *CA = dyn_cast<ConstantArray>(CV)) {
+ // 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) {
+ Out << "c\"";
+ for (unsigned i = 0; i < CA->getNumOperands(); ++i) {
+ unsigned char C =
+ (unsigned char)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'));
+ }
+ }
+ Out << "\"";
+
+ } else { // Cannot output in string format...
+ Out << '[';
+ if (CA->getNumOperands()) {
+ Out << ' ';
+ printTypeInt(Out, ETy, TypeTable);
+ WriteAsOperandInternal(Out, CA->getOperand(0),
+ 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, Machine);
+ }
+ }
+ Out << " ]";
+ }
+ } else if (const ConstantStruct *CS = dyn_cast<ConstantStruct>(CV)) {
+ Out << '{';
+ if (CS->getNumOperands()) {
+ Out << ' ';
+ printTypeInt(Out, CS->getOperand(0)->getType(), TypeTable);
+
+ WriteAsOperandInternal(Out, CS->getOperand(0),
+ PrintName, TypeTable, Machine);
+
+ for (unsigned i = 1; i < CS->getNumOperands(); i++) {
+ Out << ", ";
+ printTypeInt(Out, CS->getOperand(i)->getType(), TypeTable);
+
+ WriteAsOperandInternal(Out, CS->getOperand(i),
+ PrintName, TypeTable, Machine);
+ }
+ }
+
+ 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 (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, Machine);
+ if (OI+1 != CE->op_end())
+ Out << ", ";
+ }
+
+ if (CE->getOpcode() == Instruction::Cast) {
+ Out << " to ";
+ printTypeInt(Out, CE->getType(), TypeTable);
+ }
+ 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,
+ bool PrintName,
+ std::map<const Type*, std::string> &TypeTable,
+ SlotMachine *Machine) {
+ Out << ' ';
+ if ((PrintName || isa<GlobalValue>(V)) && V->hasName())
+ Out << getLLVMName(V->getName());
+ else {
+ const Constant *CV = dyn_cast<Constant>(V);
+ if (CV && !isa<GlobalValue>(CV))
+ WriteConstantInt(Out, CV, PrintName, TypeTable, Machine);
+ else {
int Slot;
- if (Table) {
- Slot = Table->getValSlot(V);
+ if (Machine) {
+ Slot = Machine->getSlot(V);
} else {
- if (const Type *Ty = dyn_cast<const Type>(V)) {
- return Out << " " << Ty;
- } else if (const MethodArgument *MA =dyn_cast<const MethodArgument>(V)){
- Table = new SlotCalculator(MA->getParent(), true);
- } else if (const Instruction *I = dyn_cast<const Instruction>(V)) {
- Table = new SlotCalculator(I->getParent()->getParent(), true);
- } else if (const BasicBlock *BB = dyn_cast<const BasicBlock>(V)) {
- Table = new SlotCalculator(BB->getParent(), true);
- } else if (const Method *Meth = dyn_cast<const Method>(V)) {
- Table = new SlotCalculator(Meth, true);
- } else if (const Module *Mod = dyn_cast<const Module>(V)) {
- Table = new SlotCalculator(Mod, true);
- } else {
- return Out << "BAD VALUE TYPE!";
- }
- Slot = Table->getValSlot(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 embeded 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.
+///
+std::ostream &llvm::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 (Context)
+ fillTypeNameTable(Context, TypeNames);
+
+ if (PrintType)
+ printTypeInt(Out, V->getType(), 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 {
- ostream &Out;
- SlotCalculator &Table;
+ std::ostream &Out;
+ SlotMachine &Machine;
+ const Module *TheModule;
+ std::map<const Type *, std::string> TypeNames;
+ AssemblyAnnotationWriter *AnnotationWriter;
public:
- inline AssemblyWriter(ostream &o, SlotCalculator &Tab) : Out(o), Table(Tab) {
- }
-
- inline void write(const Module *M) { processModule(M); }
- inline void write(const GlobalVariable *G) { processGlobal(G); }
- inline void write(const Method *M) { processMethod(M); }
- inline void write(const BasicBlock *BB) { processBasicBlock(BB); }
- inline void write(const Instruction *I) { processInstruction(I); }
- inline void write(const ConstPoolVal *CPV) { processConstant(CPV); }
-
-private :
- void processModule(const Module *M);
- void processSymbolTable(const SymbolTable &ST);
- void processConstant(const ConstPoolVal *CPV);
- void processGlobal(const GlobalVariable *GV);
- void processMethod(const Method *M);
- void processMethodArgument(const MethodArgument *MA);
- void processBasicBlock(const BasicBlock *BB);
- void processInstruction(const Instruction *I);
-
+ inline AssemblyWriter(std::ostream &o, SlotMachine &Mac, const Module *M,
+ AssemblyAnnotationWriter *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.
+ //
+ fillTypeNameTable(M, TypeNames);
+ }
+
+ inline void write(const Module *M) { printModule(M); }
+ 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 Constant *CPV) { printConstant(CPV); }
+ inline void write(const Type *Ty) { printType(Ty); }
+
void writeOperand(const Value *Op, bool PrintType, bool PrintName = true);
+
+ const Module* getModule() { return TheModule; }
+
+private:
+ void printModule(const Module *M);
+ void printSymbolTable(const SymbolTable &ST);
+ void printConstant(const Constant *CPV);
+ void printGlobal(const GlobalVariable *GV);
+ void printFunction(const Function *F);
+ void printArgument(const Argument *FA);
+ void printBasicBlock(const BasicBlock *BB);
+ void printInstruction(const Instruction &I);
+
+ // printType - Go to extreme measures to attempt to print out a short,
+ // symbolic version of a type name.
+ //
+ 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.
+ //
+ std::ostream &printTypeAtLeastOneLevel(const Type *Ty);
+
+ // printInfoComment - Print a little comment after the instruction indicating
+ // which slot it occupies.
+ void printInfoComment(const Value &V);
};
+} // 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.
+///
+std::ostream &AssemblyWriter::printTypeAtLeastOneLevel(const Type *Ty) {
+ if (const FunctionType *FTy = dyn_cast<FunctionType>(Ty)) {
+ printType(FTy->getReturnType()) << " (";
+ 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->getNumParams()) Out << ", ";
+ Out << "...";
+ }
+ Out << ')';
+ } else if (const StructType *STy = dyn_cast<StructType>(Ty)) {
+ Out << "{ ";
+ 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()) << '*';
+ } else if (const ArrayType *ATy = dyn_cast<ArrayType>(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())
+ Out << "<unknown derived type>";
+ printType(Ty);
+ }
+ return Out;
+}
-void AssemblyWriter::writeOperand(const Value *Operand, bool PrintType,
- bool PrintName) {
- WriteAsOperand(Out, Operand, PrintType, PrintName, &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::processModule(const Module *M) {
- // Loop over the symbol table, emitting all named constants...
- if (M->hasSymbolTable())
- processSymbolTable(*M->getSymbolTable());
-
- for_each(M->gbegin(), M->gend(),
- bind_obj(this, &AssemblyWriter::processGlobal));
+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";
- Out << "implementation\n";
-
- // Output all of the methods...
- for_each(M->begin(), M->end(), bind_obj(this,&AssemblyWriter::processMethod));
-}
+ 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;
+ }
+ if (!M->getTargetTriple().empty())
+ Out << "target triple = \"" << M->getTargetTriple() << "\"\n";
+
+ // 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";
+ }
-void AssemblyWriter::processGlobal(const GlobalVariable *GV) {
- if (GV->hasName()) Out << "%" << GV->getName() << " = ";
+ // Loop over the symbol table, emitting all named constants.
+ printSymbolTable(M->getSymbolTable());
- if (!GV->hasInitializer()) Out << "uninitialized ";
+ for (Module::const_global_iterator I = M->global_begin(), E = M->global_end(); I != E; ++I)
+ printGlobal(I);
- Out << (GV->isConstant() ? "constant " : "global ")
- << GV->getType()->getValueType()->getDescription();
+ Out << "\nimplementation ; Functions:\n";
+
+ // Output all of the functions.
+ for (Module::const_iterator I = M->begin(), E = M->end(); I != E; ++I)
+ printFunction(I);
+}
- if (GV->hasInitializer())
- writeOperand(GV->getInitializer(), false, false);
+void AssemblyWriter::printGlobal(const GlobalVariable *GV) {
+ if (GV->hasName()) Out << getLLVMName(GV->getName()) << " = ";
+
+ if (!GV->hasInitializer())
+ Out << "external ";
+ else
+ switch (GV->getLinkage()) {
+ case GlobalValue::InternalLinkage: Out << "internal "; break;
+ case GlobalValue::LinkOnceLinkage: Out << "linkonce "; break;
+ 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()) {
+ Constant* C = cast<Constant>(GV->getInitializer());
+ assert(C && "GlobalVar initializer isn't constant?");
+ writeOperand(GV->getInitializer(), false, isa<GlobalValue>(C));
+ }
- Out << endl;
+ printInfoComment(*GV);
+ Out << "\n";
}
-// processSymbolTable - Run through symbol table looking for named constants
-// if a named constant is found, emit it's declaration...
-//
-void AssemblyWriter::processSymbolTable(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 ConstPoolVal *CPV = dyn_cast<const ConstPoolVal>(V)) {
- processConstant(CPV);
- } else if (const Type *Ty = dyn_cast<const Type>(V)) {
- Out << "\t%" << I->first << " = type " << Ty->getDescription() << endl;
+// printSymbolTable - Run through symbol table looking for constants
+// and types. Emit their declarations.
+void AssemblyWriter::printSymbolTable(const SymbolTable &ST) {
+
+ // 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);
}
}
}
}
-// processConstant - Print out a constant pool entry...
-//
-void AssemblyWriter::processConstant(const ConstPoolVal *CPV) {
+/// 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;
// Print out name...
- Out << "\t%" << CPV->getName() << " = ";
-
- // Print out the constant type...
- Out << CPV->getType();
+ Out << "\t" << getLLVMName(CPV->getName()) << " =";
// Write the value out now...
- writeOperand(CPV, false, false);
-
- if (!CPV->hasName() && CPV->getType() != Type::VoidTy) {
- int Slot = Table.getValSlot(CPV); // Print out the def slot taken...
- Out << "\t\t; <" << CPV->getType() << ">:";
- if (Slot >= 0) Out << Slot;
- else Out << "<badref>";
- }
+ writeOperand(CPV, true, false);
- Out << endl;
+ printInfoComment(*CPV);
+ Out << "\n";
}
-// processMethod - Process all aspects of a method.
-//
-void AssemblyWriter::processMethod(const Method *M) {
+/// printFunction - Print all aspects of a function.
+///
+void AssemblyWriter::printFunction(const Function *F) {
// Print out the return type and name...
- Out << "\n" << (M->isExternal() ? "declare " : "")
- << M->getReturnType() << " \"" << M->getName() << "\"(";
- Table.incorporateMethod(M);
+ 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())
+ Out << "declare ";
+ else
+ switch (F->getLinkage()) {
+ case GlobalValue::InternalLinkage: Out << "internal "; break;
+ case GlobalValue::LinkOnceLinkage: Out << "linkonce "; break;
+ 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();
+ }
- // Loop over the arguments, processing them...
- for_each(M->getArgumentList().begin(), M->getArgumentList().end(),
- bind_obj(this, &AssemblyWriter::processMethodArgument));
+ // 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 << '(';
+ Machine.incorporateFunction(F);
+
+ // Loop over the arguments, printing them...
+ const FunctionType *FT = F->getFunctionType();
+ for(Function::const_arg_iterator I = F->arg_begin(), E = F->arg_end(); I != E; ++I)
+ printArgument(I);
// Finish printing arguments...
- const MethodType *MT = cast<const MethodType>(M->getMethodType());
- if (MT->isVarArg()) {
- if (MT->getParamTypes().size()) Out << ", ";
+ if (FT->isVarArg()) {
+ if (FT->getNumParams()) Out << ", ";
Out << "..."; // Output varargs portion of signature!
}
- Out << ")\n";
+ Out << ')';
- if (!M->isExternal()) {
- // Loop over the symbol table, emitting all named constants...
- if (M->hasSymbolTable())
- processSymbolTable(*M->getSymbolTable());
+ if (F->isExternal()) {
+ Out << "\n";
+ } else {
+ Out << " {";
- Out << "begin";
-
- // Output all of its basic blocks... for the method
- for_each(M->begin(), M->end(),
- bind_obj(this, &AssemblyWriter::processBasicBlock));
+ // 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 << "end\n";
+ Out << "}\n";
}
- Table.purgeMethod();
+ Machine.purgeFunction();
}
-// processMethodArgument - This member is called for every argument that
-// is passed into the method. Simply print it out
-//
-void AssemblyWriter::processMethodArgument(const MethodArgument *Arg) {
+/// 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()->getArgumentList().front()) Out << ", ";
+ if (Arg != Arg->getParent()->arg_begin()) Out << ", ";
// Output type...
- Out << Arg->getType();
-
+ printType(Arg->getType());
+
// Output name, if available...
if (Arg->hasName())
- Out << " %" << Arg->getName();
- else if (Table.getValSlot(Arg) < 0)
- Out << "<badref>";
+ Out << ' ' << getLLVMName(Arg->getName());
}
-// processBasicBlock - This member is called for each basic block in a methd.
-//
-void AssemblyWriter::processBasicBlock(const BasicBlock *BB) {
+/// 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() << ":";
- } else {
- int Slot = Table.getValSlot(BB);
+ Out << "\n" << getLLVMName(BB->getName(), false) << ':';
+ } else if (!BB->use_empty()) { // Don't print block # of no uses...
Out << "\n; <label>:";
- if (Slot >= 0)
- Out << Slot; // Extra newline seperates out label's
- else
- Out << "<badref>";
+ int Slot = Machine.getSlot(BB);
+ if (Slot != -1)
+ Out << Slot;
+ else
+ Out << "<badref>";
+ }
+
+ if (BB->getParent() == 0)
+ Out << "\t\t; Error: Block without parent!";
+ else {
+ if (BB != &BB->getParent()->front()) { // Not the entry block?
+ // 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 << "\t\t\t\t\t;[#uses=" << BB->use_size() << "]\n"; // Output # uses
+
+ Out << "\n";
+
+ if (AnnotationWriter) AnnotationWriter->emitBasicBlockStartAnnot(BB, Out);
// Output all of the instructions in the basic block...
- for_each(BB->begin(), BB->end(),
- bind_obj(this, &AssemblyWriter::processInstruction));
+ for (BasicBlock::const_iterator I = BB->begin(), E = BB->end(); I != E; ++I)
+ printInstruction(*I);
+
+ if (AnnotationWriter) AnnotationWriter->emitBasicBlockEndAnnot(BB, Out);
}
-// processInstruction - This member is called for each Instruction in a methd.
-//
-void AssemblyWriter::processInstruction(const Instruction *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) {
+ Out << "\t\t; <";
+ printType(V.getType()) << '>';
+
+ if (!V.hasName()) {
+ int SlotNum = Machine.getSlot(&V);
+ if (SlotNum == -1)
+ Out << ":<badref>";
+ else
+ Out << ':' << SlotNum; // Print out the def slot taken.
+ }
+ Out << " [#uses=" << V.getNumUses() << ']'; // Output # uses
+ }
+}
+
+/// printInstruction - This member is called for each Instruction in a function..
+///
+void AssemblyWriter::printInstruction(const Instruction &I) {
+ if (AnnotationWriter) AnnotationWriter->emitInstructionAnnot(&I, Out);
+
Out << "\t";
// Print out name if it exists...
- if (I && I->hasName())
- Out << "%" << I->getName() << " = ";
+ if (I.hasName())
+ Out << getLLVMName(I.getName()) << " = ";
+
+ // 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())) {
+ 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();
+ 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 (I->getOpcode() == Instruction::Br && I->getNumOperands() > 1) {
- writeOperand(I->getOperand(2), true);
- Out << ",";
+ if (isa<BranchInst>(I) && I.getNumOperands() > 1) {
+ writeOperand(I.getOperand(2), true);
+ Out << ',';
writeOperand(Operand, true);
- Out << ",";
- writeOperand(I->getOperand(1), true);
+ Out << ',';
+ writeOperand(I.getOperand(1), true);
- } else if (I->getOpcode() == Instruction::Switch) {
+ } 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 << " " << Operand->getType();
-
- Out << " ["; writeOperand(Operand, false); Out << ",";
- writeOperand(I->getOperand(1), false); Out << " ]";
- for (unsigned op = 2, Eop = I->getNumOperands(); op < Eop; op += 2) {
- Out << ", [";
- writeOperand(I->getOperand(op ), false); Out << ",";
- writeOperand(I->getOperand(op+1), false); Out << " ]";
+ Out << ' ';
+ printType(I.getType());
+ Out << ' ';
+
+ 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 << " ]";
}
- } else if (I->getOpcode() == Instruction::Ret && !Operand) {
+ } else if (isa<ReturnInst>(I) && !Operand) {
Out << " void";
- } else if (I->getOpcode() == Instruction::Call) {
- // TODO: Should try to print out short form of the Call instruction
- writeOperand(Operand, true);
- Out << "(";
- 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);
+ } 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();
+
+ // 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 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 (CI->getNumOperands() > 1) writeOperand(CI->getOperand(1), true);
+ for (unsigned op = 2, Eop = I.getNumOperands(); op < Eop; ++op) {
+ Out << ',';
+ writeOperand(I.getOperand(op), true);
}
Out << " )";
- } else if (I->getOpcode() == Instruction::Malloc ||
- I->getOpcode() == Instruction::Alloca) {
- Out << " " << cast<const PointerType>(I->getType())->getValueType();
- if (I->getNumOperands()) {
- Out << ",";
- writeOperand(I->getOperand(0), true);
- }
- } else if (I->getOpcode() == Instruction::Cast) {
- writeOperand(Operand, true);
- Out << " to " << I->getType();
+ } 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();
+
+ // 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<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) {
+ Out << ',';
+ writeOperand(I.getOperand(op), true);
+ }
+
+ Out << " )\n\t\t\tto";
+ writeOperand(II->getNormalDest(), true);
+ Out << " unwind";
+ writeOperand(II->getUnwindDest(), true);
+
+ } else if (const AllocationInst *AI = dyn_cast<AllocationInst>(&I)) {
+ Out << ' ';
+ printType(AI->getType()->getElementType());
+ if (AI->isArrayAllocation()) {
+ Out << ',';
+ writeOperand(AI->getArraySize(), true);
+ }
+ } else if (isa<CastInst>(I)) {
+ if (Operand) writeOperand(Operand, true); // Work with broken code
+ Out << " to ";
+ printType(I.getType());
+ } else if (isa<VAArgInst>(I)) {
+ 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();
- 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, 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) {
+ Operand = I.getOperand(i);
+ if (Operand->getType() != TheType) {
+ PrintAllTypes = true; // We have differing types! Print them all!
+ break;
+ }
}
}
- if (!PrintAllTypes)
- Out << " " << I->getOperand(0)->getType();
+ if (!PrintAllTypes) {
+ Out << ' ';
+ printType(TheType);
+ }
- for (unsigned i = 0, E = I->getNumOperands(); i != E; ++i) {
- if (i) Out << ",";
- writeOperand(I->getOperand(i), PrintAllTypes);
+ for (unsigned i = 0, E = I.getNumOperands(); i != E; ++i) {
+ if (i) Out << ',';
+ writeOperand(I.getOperand(i), PrintAllTypes);
}
}
- // Print a little comment after the instruction indicating which slot it
- // occupies.
- //
- if (I->getType() != Type::VoidTy) {
- Out << "\t\t; <" << I->getType() << ">";
+ printInfoComment(I);
+ Out << "\n";
+}
- if (!I->hasName()) {
- int Slot = Table.getValSlot(I); // Print out the def slot taken...
- if (Slot >= 0) Out << ":" << Slot;
- else Out << ":<badref>";
- }
- Out << "\t[#uses=" << I->use_size() << "]"; // Output # uses
+
+//===----------------------------------------------------------------------===//
+// External Interface declarations
+//===----------------------------------------------------------------------===//
+
+void Module::print(std::ostream &o, AssemblyAnnotationWriter *AAW) const {
+ SlotMachine SlotTable(this);
+ AssemblyWriter W(o, SlotTable, this, AAW);
+ W.write(this);
+}
+
+void GlobalVariable::print(std::ostream &o) const {
+ SlotMachine SlotTable(getParent());
+ AssemblyWriter W(o, SlotTable, getParent(), 0);
+ W.write(this);
+}
+
+void Function::print(std::ostream &o, AssemblyAnnotationWriter *AAW) const {
+ SlotMachine SlotTable(getParent());
+ AssemblyWriter W(o, SlotTable, getParent(), AAW);
+
+ W.write(this);
+}
+
+void BasicBlock::print(std::ostream &o, AssemblyAnnotationWriter *AAW) const {
+ 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;
+ 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; }
+
+ o << ' ' << getType()->getDescription() << ' ';
+
+ std::map<const Type *, std::string> TypeTable;
+ WriteConstantInt(o, this, false, TypeTable, 0);
+}
+
+void Type::print(std::ostream &o) const {
+ if (this == 0)
+ o << "<null Type>";
+ else
+ o << getDescription();
+}
+
+void Argument::print(std::ostream &o) const {
+ 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 SlotMachine(M );
+ AW = new AssemblyWriter(Out, *SC, M, 0);
+ } else {
+ SC = 0; AW = 0;
}
- Out << endl;
}
+CachedWriter::~CachedWriter() {
+ delete AW;
+ delete SC;
+}
+
+CachedWriter &CachedWriter::operator<<(const Value &V) {
+ assert(AW && SC && "CachedWriter does not have a current module!");
+ 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;
+}
//===----------------------------------------------------------------------===//
-// External Interface declarations
+//===-- 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");
+}
-void WriteToAssembly(const Module *M, ostream &o) {
- if (M == 0) { o << "<null> module\n"; return; }
- SlotCalculator SlotTable(M, true);
- AssemblyWriter W(o, SlotTable);
+/// 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;
+ }
+ }
+ }
- W.write(M);
+ // 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;
}
-void WriteToAssembly(const GlobalVariable *G, ostream &o) {
- if (G == 0) { o << "<null> global variable\n"; return; }
- SlotCalculator SlotTable(G->getParent(), true);
- AssemblyWriter W(o, SlotTable);
- W.write(G);
+/// 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;
}
-void WriteToAssembly(const Method *M, ostream &o) {
- if (M == 0) { o << "<null> method\n"; return; }
- SlotCalculator SlotTable(M->getParent(), true);
- AssemblyWriter W(o, SlotTable);
+// 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;
+ }
- W.write(M);
+ // 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;
+ }
+ }
-void WriteToAssembly(const BasicBlock *BB, ostream &o) {
- if (BB == 0) { o << "<null> basic block\n"; return; }
+ // N.B. Can only get here if !TheFunction
- SlotCalculator SlotTable(BB->getParent(), true);
- AssemblyWriter W(o, SlotTable);
+ // Lookup the type in the module's map
+ TypeMap::const_iterator MTI = mTypes.map.find(Ty);
+ if ( MTI != mTypes.map.end() )
+ return MTI->second;
- W.write(BB);
+ return insertValue(Ty);
}
-void WriteToAssembly(const ConstPoolVal *CPV, ostream &o) {
- if (CPV == 0) { o << "<null> constant pool value\n"; return; }
- WriteAsOperand(o, CPV, true, true, 0);
+// 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;
}
-void WriteToAssembly(const Instruction *I, ostream &o) {
- if (I == 0) { o << "<null> instruction\n"; return; }
+// 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!");
- SlotCalculator SlotTable(I->getParent() ? I->getParent()->getParent() : 0,
- true);
- AssemblyWriter W(o, SlotTable);
+ unsigned DestSlot = 0;
- W.write(I);
+ 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