//===-- 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
//
// Note that these routines must be extremely tolerant of various errors in the
//
//===----------------------------------------------------------------------===//
-#include "llvm/Assembly/CachedWriter.h"
#include "llvm/Assembly/Writer.h"
#include "llvm/Assembly/PrintModulePass.h"
-#include "llvm/SlotCalculator.h"
+#include "llvm/Assembly/AsmAnnotationWriter.h"
+#include "llvm/CallingConv.h"
+#include "llvm/Constants.h"
#include "llvm/DerivedTypes.h"
+#include "llvm/ParameterAttributes.h"
+#include "llvm/InlineAsm.h"
#include "llvm/Instruction.h"
+#include "llvm/Instructions.h"
#include "llvm/Module.h"
-#include "llvm/Constants.h"
-#include "llvm/iMemory.h"
-#include "llvm/iTerminators.h"
-#include "llvm/iPHINode.h"
-#include "llvm/iOther.h"
-#include "llvm/SymbolTable.h"
+#include "llvm/ValueSymbolTable.h"
+#include "llvm/TypeSymbolTable.h"
+#include "llvm/ADT/StringExtras.h"
+#include "llvm/ADT/STLExtras.h"
#include "llvm/Support/CFG.h"
-#include "Support/StringExtras.h"
-#include "Support/STLExtras.h"
+#include "llvm/Support/MathExtras.h"
+#include "llvm/Support/Streams.h"
#include <algorithm>
+#include <cctype>
+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;
+
+/// @}
+/// @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. If something is not in the SlotMachine, return -1.
+ int getLocalSlot(const Value *V);
+ int getGlobalSlot(const GlobalValue *V);
+
+/// @}
+/// @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();
+
+ /// CreateModuleSlot - Insert the specified GlobalValue* into the slot table.
+ void CreateModuleSlot(const GlobalValue *V);
+
+ /// CreateFunctionSlot - Insert the specified Value* into the slot table.
+ void CreateFunctionSlot(const Value *V);
+
+ /// 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
+ ValueMap mMap;
+ unsigned mNext;
+
+ /// @brief The TypePlanes map for the function level data
+ ValueMap fMap;
+ unsigned fNext;
+
+/// @}
+
+};
+
+} // end namespace llvm
+char PrintModulePass::ID = 0;
static RegisterPass<PrintModulePass>
-X("printm", "Print module to stderr",PassInfo::Analysis|PassInfo::Optimization);
+X("printm", "Print module to stderr");
+char PrintFunctionPass::ID = 0;
static RegisterPass<PrintFunctionPass>
-Y("print","Print function to stderr",PassInfo::Analysis|PassInfo::Optimization);
+Y("print","Print function to stderr");
-static void WriteAsOperandInternal(std::ostream &Out, const Value *V,
- bool PrintName,
- std::map<const Type *, std::string> &TypeTable,
- SlotCalculator *Table);
+static void WriteAsOperandInternal(std::ostream &Out, const Value *V,
+ 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 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(), true);
+ return new SlotMachine(FA->getParent());
} else if (const Instruction *I = dyn_cast<Instruction>(V)) {
- return new SlotCalculator(I->getParent()->getParent(), true);
+ return new SlotMachine(I->getParent()->getParent());
} else if (const BasicBlock *BB = dyn_cast<BasicBlock>(V)) {
- return new SlotCalculator(BB->getParent(), true);
+ return new SlotMachine(BB->getParent());
} else if (const GlobalVariable *GV = dyn_cast<GlobalVariable>(V)){
- return new SlotCalculator(GV->getParent(), true);
+ return new SlotMachine(GV->getParent());
+ } else if (const GlobalAlias *GA = dyn_cast<GlobalAlias>(V)){
+ return new SlotMachine(GA->getParent());
} else if (const Function *Func = dyn_cast<Function>(V)) {
- return new SlotCalculator(Func, true);
+ 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) {
- 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"
+/// NameNeedsQuotes - Return true if the specified llvm name should be wrapped
+/// with ""'s.
+static std::string QuoteNameIfNeeded(const std::string &Name) {
+ std::string result;
+ bool needsQuotes = Name[0] >= '0' && Name[0] <= '9';
+ // Scan the name to see if it needs quotes and to replace funky chars with
+ // their octal equivalent.
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 (isalnum(C) || C == '-' || C == '.' || C == '_')
+ result += C;
+ else if (C == '\\') {
+ needsQuotes = true;
+ result += "\\\\";
+ } else if (isprint(C)) {
+ needsQuotes = true;
+ result += C;
+ } else {
+ needsQuotes = true;
+ result += "\\";
+ char hex1 = (C >> 4) & 0x0F;
+ if (hex1 < 10)
+ result += hex1 + '0';
+ else
+ result += hex1 - 10 + 'A';
+ char hex2 = C & 0x0F;
+ if (hex2 < 10)
+ result += hex2 + '0';
+ else
+ result += hex2 - 10 + 'A';
+ }
}
-
- // If we get here, then the identifier is legal to use as a "VarID".
- return "%"+Name;
+ if (needsQuotes) {
+ result.insert(0,"\"");
+ result += '"';
+ }
+ return result;
}
+enum PrefixType {
+ GlobalPrefix,
+ LabelPrefix,
+ LocalPrefix
+};
-// If the module has a symbol table, take all global types and stuff their
-// names into the TypeNames map.
-//
+/// 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, PrefixType Prefix) {
+ assert(!Name.empty() && "Cannot get empty name!");
+ switch (Prefix) {
+ default: assert(0 && "Bad prefix!");
+ case GlobalPrefix: return '@' + QuoteNameIfNeeded(Name);
+ case LabelPrefix: return QuoteNameIfNeeded(Name);
+ case LocalPrefix: return '%' + QuoteNameIfNeeded(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::const_iterator PI = ST.find(Type::TypeTy);
- if (PI != ST.end()) {
- SymbolTable::type_const_iterator I = PI->second.begin();
- for (; I != PI->second.end(); ++I) {
- // As a heuristic, don't insert pointer to primitive types, because
- // they are used too often to have a single useful name.
- //
- const Type *Ty = cast<Type>(I->second);
- if (!isa<PointerType>(Ty) ||
- !cast<PointerType>(Ty)->getElementType()->isPrimitiveType())
- TypeNames.insert(std::make_pair(Ty, getLLVMName(I->first)));
- }
+ const TypeSymbolTable &ST = M->getTypeSymbolTable();
+ TypeSymbolTable::const_iterator TI = ST.begin();
+ for (; TI != ST.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() ||
+ !cast<PointerType>(Ty)->getElementType()->isInteger() ||
+ isa<OpaqueType>(cast<PointerType>(Ty)->getElementType()))
+ TypeNames.insert(std::make_pair(Ty, getLLVMName(TI->first, LocalPrefix)));
}
}
-static std::string calcTypeName(const Type *Ty,
- std::vector<const Type *> &TypeStack,
- std::map<const Type *, std::string> &TypeNames){
- if (Ty->isPrimitiveType()) return Ty->getDescription(); // Base case
+static void calcTypeName(const Type *Ty,
+ std::vector<const Type *> &TypeStack,
+ std::map<const Type *, std::string> &TypeNames,
+ std::string & Result){
+ if (Ty->isInteger() || (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)) {
+ 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::IntegerTyID: {
+ unsigned BitWidth = cast<IntegerType>(Ty)->getBitWidth();
+ Result += "i" + utostr(BitWidth);
+ break;
+ }
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())
+ if (STy->isPacked())
+ Result += '<';
+ 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 += " }";
+ if (STy->isPacked())
+ 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::VectorTyID: {
+ const VectorType *PTy = cast<VectorType>(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>";
+ break;
}
TypeStack.pop_back(); // Remove self from stack...
- return Result;
}
-// 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
// they have been named or not.
//
- if (Ty->isPrimitiveType()) return Out << Ty->getDescription();
+ if (Ty->isInteger() || (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);
// 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;
-//
-std::ostream &WriteTypeSymbolic(std::ostream &Out, const Type *Ty,
- const Module *M) {
- Out << " ";
-
- // If they want us to print out a type, attempt to make it symbolic if there
- // is a symbol table in the module...
- if (M) {
- std::map<const Type *, std::string> TypeNames;
- fillTypeNameTable(M, TypeNames);
-
- return printTypeInt(Out, Ty, TypeNames);
- } else {
+/// 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, but there is no context, we can't
+ // print it symbolically.
+ if (!M)
return Out << Ty->getDescription();
+
+ std::map<const Type *, std::string> TypeNames;
+ fillTypeNameTable(M, TypeNames);
+ return printTypeInt(Out, Ty, TypeNames);
+}
+
+// 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'));
+ }
}
}
-static void WriteConstantInt(std::ostream &Out, const Constant *CV,
- bool PrintName,
+static const char *getPredicateText(unsigned predicate) {
+ const char * pred = "unknown";
+ switch (predicate) {
+ case FCmpInst::FCMP_FALSE: pred = "false"; break;
+ case FCmpInst::FCMP_OEQ: pred = "oeq"; break;
+ case FCmpInst::FCMP_OGT: pred = "ogt"; break;
+ case FCmpInst::FCMP_OGE: pred = "oge"; break;
+ case FCmpInst::FCMP_OLT: pred = "olt"; break;
+ case FCmpInst::FCMP_OLE: pred = "ole"; break;
+ case FCmpInst::FCMP_ONE: pred = "one"; break;
+ case FCmpInst::FCMP_ORD: pred = "ord"; break;
+ case FCmpInst::FCMP_UNO: pred = "uno"; break;
+ case FCmpInst::FCMP_UEQ: pred = "ueq"; break;
+ case FCmpInst::FCMP_UGT: pred = "ugt"; break;
+ case FCmpInst::FCMP_UGE: pred = "uge"; break;
+ case FCmpInst::FCMP_ULT: pred = "ult"; break;
+ case FCmpInst::FCMP_ULE: pred = "ule"; break;
+ case FCmpInst::FCMP_UNE: pred = "une"; break;
+ case FCmpInst::FCMP_TRUE: pred = "true"; break;
+ case ICmpInst::ICMP_EQ: pred = "eq"; break;
+ case ICmpInst::ICMP_NE: pred = "ne"; break;
+ case ICmpInst::ICMP_SGT: pred = "sgt"; break;
+ case ICmpInst::ICMP_SGE: pred = "sge"; break;
+ case ICmpInst::ICMP_SLT: pred = "slt"; break;
+ case ICmpInst::ICMP_SLE: pred = "sle"; break;
+ case ICmpInst::ICMP_UGT: pred = "ugt"; break;
+ case ICmpInst::ICMP_UGE: pred = "uge"; break;
+ case ICmpInst::ICMP_ULT: pred = "ult"; break;
+ case ICmpInst::ICMP_ULE: pred = "ule"; break;
+ }
+ return pred;
+}
+
+/// @brief Internal constant writer.
+static void WriteConstantInt(std::ostream &Out, const Constant *CV,
std::map<const Type *, std::string> &TypeTable,
- SlotCalculator *Table) {
- 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();
+ SlotMachine *Machine) {
+ const int IndentSize = 4;
+ static std::string Indent = "\n";
+ if (const ConstantInt *CI = dyn_cast<ConstantInt>(CV)) {
+ if (CI->getType() == Type::Int1Ty)
+ Out << (CI->getZExtValue() ? "true" : "false");
+ else
+ Out << CI->getValue().toStringSigned(10);
} 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;
+ if (&CFP->getValueAPF().getSemantics() == &APFloat::IEEEdouble ||
+ &CFP->getValueAPF().getSemantics() == &APFloat::IEEEsingle) {
+ // 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.
+ //
+ bool isDouble = &CFP->getValueAPF().getSemantics()==&APFloat::IEEEdouble;
+ double Val = (isDouble) ? CFP->getValueAPF().convertToDouble() :
+ CFP->getValueAPF().convertToFloat();
+ std::string StrVal = ftostr(CFP->getValueAPF());
+
+ // 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()) == Val) {
+ Out << StrVal;
+ return;
+ }
+ }
+ // Otherwise we could not reparse it to exactly the same value, so we must
+ // output the string in hexadecimal format!
+ assert(sizeof(double) == sizeof(uint64_t) &&
+ "assuming that double is 64 bits!");
+ Out << "0x" << utohexstr(DoubleToBits(Val));
+ } else {
+ // Some form of long double. These appear as a magic letter identifying
+ // the type, then a fixed number of hex digits.
+ Out << "0x";
+ if (&CFP->getValueAPF().getSemantics() == &APFloat::x87DoubleExtended)
+ Out << 'K';
+ else if (&CFP->getValueAPF().getSemantics() == &APFloat::IEEEquad)
+ Out << 'L';
+ else if (&CFP->getValueAPF().getSemantics() == &APFloat::PPCDoubleDouble)
+ Out << 'M';
+ else
+ assert(0 && "Unsupported floating point type");
+ // api needed to prevent premature destruction
+ APInt api = CFP->getValueAPF().convertToAPInt();
+ const uint64_t* p = api.getRawData();
+ uint64_t word = *p;
+ int shiftcount=60;
+ int width = api.getBitWidth();
+ for (int j=0; j<width; j+=4, shiftcount-=4) {
+ unsigned int nibble = (word>>shiftcount) & 15;
+ if (nibble < 10)
+ Out << (unsigned char)(nibble + '0');
+ else
+ Out << (unsigned char)(nibble - 10 + 'A');
+ if (shiftcount == 0) {
+ word = *(++p);
+ shiftcount = 64;
+ if (width-j-4 < 64)
+ shiftcount = width-j-4;
+ }
}
-
- // 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 &&
- "assuming that double is 64 bits!");
- Out << "0x" << utohexstr(*(uint64_t*)Ptr);
-
- } else if (const ConstantArray *CA = dyn_cast<ConstantArray>(CV)) {
- if (CA->getNumOperands() > 5 && CA->isNullValue()) {
- Out << "zeroinitializer";
- return;
}
-
+ } 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) {
+ 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);
+ 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);
+ WriteAsOperandInternal(Out, CA->getOperand(i), 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 << " ";
+ if (CS->getType()->isPacked())
+ 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);
+ WriteAsOperandInternal(Out, CS->getOperand(0), 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);
+ WriteAsOperandInternal(Out, CS->getOperand(i), TypeTable, Machine);
}
+ if (N > 2) Indent.resize(Indent.size() - IndentSize);
}
-
+
Out << " }";
+ if (CS->getType()->isPacked())
+ Out << '>';
+ } else if (const ConstantVector *CP = dyn_cast<ConstantVector>(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), TypeTable, Machine);
+ for (unsigned i = 1, e = CP->getNumOperands(); i != e; ++i) {
+ Out << ", ";
+ printTypeInt(Out, ETy, TypeTable);
+ WriteAsOperandInternal(Out, CP->getOperand(i), TypeTable, Machine);
+ }
+ Out << " >";
} else if (isa<ConstantPointerNull>(CV)) {
Out << "null";
- } else if (const ConstantPointerRef *PR = dyn_cast<ConstantPointerRef>(CV)) {
- const GlobalValue *V = PR->getValue();
- if (V->hasName()) {
- Out << getLLVMName(V->getName());
- } else if (Table) {
- int Slot = Table->getValSlot(V);
- if (Slot >= 0)
- Out << "%" << Slot;
- else
- Out << "<pointer reference badref>";
- } else {
- Out << "<pointer reference without context info>";
- }
+ } else if (isa<UndefValue>(CV)) {
+ Out << "undef";
} else if (const ConstantExpr *CE = dyn_cast<ConstantExpr>(CV)) {
- Out << CE->getOpcodeName() << " (";
-
+ Out << CE->getOpcodeName();
+ if (CE->isCompare())
+ Out << " " << getPredicateText(CE->getPredicate());
+ Out << " (";
+
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, TypeTable, Machine);
if (OI+1 != CE->op_end())
Out << ", ";
}
-
- if (CE->getOpcode() == Instruction::Cast) {
+
+ if (CE->isCast()) {
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,
- bool PrintName,
+/// 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,
std::map<const Type*, std::string> &TypeTable,
- SlotCalculator *Table) {
- Out << " ";
- if (PrintName && V->hasName()) {
- Out << getLLVMName(V->getName());
- } else {
- if (const Constant *CV = dyn_cast<Constant>(V)) {
- WriteConstantInt(Out, CV, PrintName, TypeTable, Table);
+ SlotMachine *Machine) {
+ Out << ' ';
+ if (V->hasName())
+ Out << getLLVMName(V->getName(),
+ isa<GlobalValue>(V) ? GlobalPrefix : LocalPrefix);
+ else {
+ const Constant *CV = dyn_cast<Constant>(V);
+ if (CV && !isa<GlobalValue>(CV)) {
+ WriteConstantInt(Out, CV, 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 {
+ char Prefix = '%';
int Slot;
- if (Table) {
- Slot = Table->getValSlot(V);
+ if (Machine) {
+ if (const GlobalValue *GV = dyn_cast<GlobalValue>(V)) {
+ Slot = Machine->getGlobalSlot(GV);
+ Prefix = '@';
+ } else {
+ Slot = Machine->getLocalSlot(V);
+ }
} else {
- if (const Type *Ty = dyn_cast<Type>(V)) {
- Out << Ty->getDescription();
- return;
+ Machine = createSlotMachine(V);
+ if (Machine) {
+ if (const GlobalValue *GV = dyn_cast<GlobalValue>(V)) {
+ Slot = Machine->getGlobalSlot(GV);
+ Prefix = '@';
+ } else {
+ Slot = Machine->getLocalSlot(V);
+ }
+ } else {
+ Slot = -1;
}
-
- Table = createSlotCalculator(V);
- if (Table == 0) { Out << "BAD VALUE TYPE!"; return; }
-
- Slot = Table->getValSlot(V);
- delete Table;
+ delete Machine;
}
- if (Slot >= 0) Out << "%" << Slot;
- else if (PrintName)
- Out << "<badref>"; // Not embeded into a location?
+ if (Slot != -1)
+ Out << Prefix << 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 &WriteAsOperand(std::ostream &Out, const Value *V, bool PrintType,
- bool PrintName, const Module *Context) {
+/// 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, const Module *Context) {
std::map<const Type *, std::string> TypeNames;
if (Context == 0) Context = getModuleFromVal(V);
if (PrintType)
printTypeInt(Out, V->getType(), TypeNames);
-
- WriteAsOperandInternal(Out, V, PrintName, TypeNames, 0);
+
+ WriteAsOperandInternal(Out, V, 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)
- : Out(o), Table(Tab), TheModule(M) {
+ 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 Module *M) { printModule(M); }
+ inline void write(const GlobalVariable *G) { printGlobal(G); }
+ inline void write(const GlobalAlias *G) { printAlias(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); }
+ inline void write(const Type *Ty) { printType(Ty); }
- void writeOperand(const Value *Op, bool PrintType, bool PrintName = true);
+ void writeOperand(const Value *Op, bool PrintType);
+ void writeParamOperand(const Value *Operand, uint16_t Attrs);
-private :
+ const Module* getModule() { return TheModule; }
+
+private:
void printModule(const Module *M);
- void printSymbolTable(const SymbolTable &ST);
- void printConstant(const Constant *CPV);
+ void printTypeSymbolTable(const TypeSymbolTable &ST);
void printGlobal(const GlobalVariable *GV);
+ void printAlias(const GlobalAlias *GV);
void printFunction(const Function *F);
- void printArgument(const Argument *FA);
+ void printArgument(const Argument *FA, uint16_t ParamAttrs);
void printBasicBlock(const BasicBlock *BB);
void printInstruction(const Instruction &I);
// 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.
-//
+/// 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())
+ if (const IntegerType *ITy = dyn_cast<IntegerType>(Ty))
+ Out << "i" << utostr(ITy->getBitWidth());
+ else if (const FunctionType *FTy = dyn_cast<FunctionType>(Ty)) {
+ printType(FTy->getReturnType());
+ Out << " (";
+ 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)) {
+ if (STy->isPacked())
+ Out << '<';
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 << " }";
+ if (STy->isPacked())
+ 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 VectorType *PTy = dyn_cast<VectorType>(Ty)) {
+ Out << '<' << PTy->getNumElements() << " x ";
+ printType(PTy->getElementType()) << '>';
+ }
+ else if (isa<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) {
+ if (Operand == 0) {
+ Out << "<null operand!>";
+ } else {
+ if (PrintType) { Out << ' '; printType(Operand->getType()); }
+ WriteAsOperandInternal(Out, Operand, TypeNames, &Machine);
+ }
}
+void AssemblyWriter::writeParamOperand(const Value *Operand, uint16_t Attrs) {
+ if (Operand == 0) {
+ Out << "<null operand!>";
+ } else {
+ Out << ' ';
+ // Print the type
+ printType(Operand->getType());
+ // Print parameter attributes list
+ if (Attrs != ParamAttr::None)
+ Out << ' ' << ParamAttrsList::getParamAttrsText(Attrs);
+ // Print the operand
+ WriteAsOperandInternal(Out, Operand, TypeNames, &Machine);
+ }
+}
void AssemblyWriter::printModule(const Module *M) {
- switch (M->getEndianness()) {
- case Module::LittleEndian: Out << "target endian = little\n"; break;
- case Module::BigEndian: Out << "target endian = big\n"; break;
- case Module::AnyEndianness: break;
- }
- switch (M->getPointerSize()) {
- case Module::Pointer32: Out << "target pointersize = 32\n"; break;
- case Module::Pointer64: Out << "target pointersize = 64\n"; break;
- case Module::AnyPointerSize: break;
+ 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";
+
+ if (!M->getDataLayout().empty())
+ Out << "target datalayout = \"" << M->getDataLayout() << "\"\n";
+ 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...
- printSymbolTable(M->getSymbolTable());
-
- for (Module::const_giterator I = M->gbegin(), E = M->gend(); I != E; ++I)
- printGlobal(I);
+ // 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";
+ }
- Out << "\nimplementation ; Functions:\n";
+ // Loop over the symbol table, emitting all named constants.
+ printTypeSymbolTable(M->getTypeSymbolTable());
+
+ for (Module::const_global_iterator I = M->global_begin(), E = M->global_end();
+ I != E; ++I)
+ printGlobal(I);
- // Output all of the functions...
+ // Output all aliases.
+ if (!M->alias_empty()) Out << "\n";
+ for (Module::const_alias_iterator I = M->alias_begin(), E = M->alias_end();
+ I != E; ++I)
+ printAlias(I);
+
+ // 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->hasName()) Out << getLLVMName(GV->getName(), GlobalPrefix) << " = ";
- if (!GV->hasInitializer())
- Out << "external ";
- else
+ if (!GV->hasInitializer())
switch (GV->getLinkage()) {
- case GlobalValue::InternalLinkage: Out << "internal "; break;
- case GlobalValue::LinkOnceLinkage: Out << "linkonce "; break;
- case GlobalValue::AppendingLinkage: Out << "appending "; break;
- case GlobalValue::ExternalLinkage: break;
+ case GlobalValue::DLLImportLinkage: Out << "dllimport "; break;
+ case GlobalValue::ExternalWeakLinkage: Out << "extern_weak "; break;
+ default: Out << "external "; break;
+ } 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::DLLImportLinkage: Out << "dllimport "; break;
+ case GlobalValue::DLLExportLinkage: Out << "dllexport "; break;
+ case GlobalValue::ExternalWeakLinkage: Out << "extern_weak "; break;
+ case GlobalValue::ExternalLinkage: break;
+ case GlobalValue::GhostLinkage:
+ cerr << "GhostLinkage not allowed in AsmWriter!\n";
+ abort();
+ }
+ switch (GV->getVisibility()) {
+ default: assert(0 && "Invalid visibility style!");
+ case GlobalValue::DefaultVisibility: break;
+ case GlobalValue::HiddenVisibility: Out << "hidden "; break;
+ case GlobalValue::ProtectedVisibility: Out << "protected "; break;
}
+ }
+ if (GV->isThreadLocal()) Out << "thread_local ";
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);
+ }
+
+ if (GV->hasSection())
+ Out << ", section \"" << GV->getSection() << '"';
+ if (GV->getAlignment())
+ Out << ", align " << GV->getAlignment();
printInfoComment(*GV);
Out << "\n";
}
+void AssemblyWriter::printAlias(const GlobalAlias *GA) {
+ Out << getLLVMName(GA->getName(), GlobalPrefix) << " = ";
+ switch (GA->getVisibility()) {
+ default: assert(0 && "Invalid visibility style!");
+ case GlobalValue::DefaultVisibility: break;
+ case GlobalValue::HiddenVisibility: Out << "hidden "; break;
+ case GlobalValue::ProtectedVisibility: Out << "protected "; break;
+ }
+
+ Out << "alias ";
-// printSymbolTable - Run through symbol table looking for named constants
-// if a named constant is found, emit it's declaration...
-//
-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);
+ switch (GA->getLinkage()) {
+ case GlobalValue::WeakLinkage: Out << "weak "; break;
+ case GlobalValue::InternalLinkage: Out << "internal "; break;
+ case GlobalValue::ExternalLinkage: break;
+ default:
+ assert(0 && "Invalid alias linkage");
+ }
+
+ const Constant *Aliasee = GA->getAliasee();
- 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)) {
- 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";
- }
- }
+ if (const GlobalVariable *GV = dyn_cast<GlobalVariable>(Aliasee)) {
+ printType(GV->getType());
+ Out << " " << getLLVMName(GV->getName(), GlobalPrefix);
+ } else if (const Function *F = dyn_cast<Function>(Aliasee)) {
+ printType(F->getFunctionType());
+ Out << "* ";
+
+ if (!F->getName().empty())
+ Out << getLLVMName(F->getName(), GlobalPrefix);
+ else
+ Out << "@\"\"";
+ } else {
+ const ConstantExpr *CE = 0;
+ if ((CE = dyn_cast<ConstantExpr>(Aliasee)) &&
+ (CE->getOpcode() == Instruction::BitCast)) {
+ writeOperand(CE, false);
+ } else
+ assert(0 && "Unsupported aliasee");
}
+
+ printInfoComment(*GA);
+ Out << "\n";
}
+void AssemblyWriter::printTypeSymbolTable(const TypeSymbolTable &ST) {
+ // Print the types.
+ for (TypeSymbolTable::const_iterator TI = ST.begin(), TE = ST.end();
+ TI != TE; ++TI) {
+ Out << "\t" << getLLVMName(TI->first, LocalPrefix) << " = type ";
-// 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" << getLLVMName(CPV->getName()) << " =";
-
- // Write the value out now...
- writeOperand(CPV, true, false);
-
- printInfoComment(*CPV);
- Out << "\n";
+ // 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";
+ }
}
-// 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";
- if (F->isExternal())
+ if (AnnotationWriter) AnnotationWriter->emitFunctionAnnot(F, Out);
+
+ if (F->isDeclaration())
Out << "declare ";
else
- switch (F->getLinkage()) {
- case GlobalValue::InternalLinkage: Out << "internal "; break;
- case GlobalValue::LinkOnceLinkage: Out << "linkonce "; break;
- case GlobalValue::AppendingLinkage: Out << "appending "; break;
- case GlobalValue::ExternalLinkage: break;
- }
+ Out << "define ";
+
+ 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::DLLImportLinkage: Out << "dllimport "; break;
+ case GlobalValue::DLLExportLinkage: Out << "dllexport "; break;
+ case GlobalValue::ExternalWeakLinkage: Out << "extern_weak "; break;
+ case GlobalValue::ExternalLinkage: break;
+ case GlobalValue::GhostLinkage:
+ cerr << "GhostLinkage not allowed in AsmWriter!\n";
+ abort();
+ }
+ switch (F->getVisibility()) {
+ default: assert(0 && "Invalid visibility style!");
+ case GlobalValue::DefaultVisibility: break;
+ case GlobalValue::HiddenVisibility: Out << "hidden "; break;
+ case GlobalValue::ProtectedVisibility: Out << "protected "; break;
+ }
- printType(F->getReturnType()) << " ";
- if (!F->getName().empty()) Out << getLLVMName(F->getName());
- Out << "(";
- Table.incorporateFunction(F);
+ // Print the calling convention.
+ switch (F->getCallingConv()) {
+ case CallingConv::C: break; // default
+ case CallingConv::Fast: Out << "fastcc "; break;
+ case CallingConv::Cold: Out << "coldcc "; break;
+ case CallingConv::X86_StdCall: Out << "x86_stdcallcc "; break;
+ case CallingConv::X86_FastCall: Out << "x86_fastcallcc "; break;
+ default: Out << "cc" << F->getCallingConv() << " "; break;
+ }
- // Loop over the arguments, printing them...
const FunctionType *FT = F->getFunctionType();
+ const ParamAttrsList *Attrs = F->getParamAttrs();
+ printType(F->getReturnType()) << ' ';
+ if (!F->getName().empty())
+ Out << getLLVMName(F->getName(), GlobalPrefix);
+ else
+ Out << "@\"\"";
+ Out << '(';
+ Machine.incorporateFunction(F);
+
+ // Loop over the arguments, printing them...
- for(Function::const_aiterator I = F->abegin(), E = F->aend(); I != E; ++I)
- printArgument(I);
+ unsigned Idx = 1;
+ if (!F->isDeclaration()) {
+ // If this isn't a declaration, print the argument names as well.
+ for (Function::const_arg_iterator I = F->arg_begin(), E = F->arg_end();
+ I != E; ++I) {
+ // Insert commas as we go... the first arg doesn't get a comma
+ if (I != F->arg_begin()) Out << ", ";
+ printArgument(I, (Attrs ? Attrs->getParamAttrs(Idx)
+ : uint16_t(ParamAttr::None)));
+ Idx++;
+ }
+ } else {
+ // Otherwise, print the types from the function type.
+ for (unsigned i = 0, e = FT->getNumParams(); i != e; ++i) {
+ // Insert commas as we go... the first arg doesn't get a comma
+ if (i) Out << ", ";
+
+ // Output type...
+ printType(FT->getParamType(i));
+
+ unsigned ArgAttrs = ParamAttr::None;
+ if (Attrs) ArgAttrs = Attrs->getParamAttrs(i+1);
+ if (ArgAttrs != ParamAttr::None)
+ Out << ' ' << ParamAttrsList::getParamAttrsText(ArgAttrs);
+ }
+ }
// Finish printing arguments...
if (FT->isVarArg()) {
- if (FT->getParamTypes().size()) Out << ", ";
+ if (FT->getNumParams()) Out << ", ";
Out << "..."; // Output varargs portion of signature!
}
- Out << ")";
-
- if (F->isExternal()) {
+ Out << ')';
+ if (Attrs && Attrs->getParamAttrs(0) != ParamAttr::None)
+ Out << ' ' << Attrs->getParamAttrsTextByIndex(0);
+ if (F->hasSection())
+ Out << " section \"" << F->getSection() << '"';
+ if (F->getAlignment())
+ Out << " align " << F->getAlignment();
+ if (F->hasCollector())
+ Out << " gc \"" << F->getCollector() << '"';
+
+ if (F->isDeclaration()) {
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
-//
-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 << ", ";
-
+/// printArgument - This member is called for every argument that is passed into
+/// the function. Simply print it out
+///
+void AssemblyWriter::printArgument(const Argument *Arg, uint16_t Attrs) {
// Output type...
printType(Arg->getType());
-
+
+ // Output parameter attributes list
+ if (Attrs != ParamAttr::None)
+ Out << ' ' << ParamAttrsList::getParamAttrsText(Attrs);
+
// Output name, if available...
if (Arg->hasName())
- Out << " " << getLLVMName(Arg->getName());
- else if (Table.getValSlot(Arg) < 0)
- Out << "<badref>";
+ Out << ' ' << getLLVMName(Arg->getName(), LocalPrefix);
}
-// printBasicBlock - This member is called for each basic block in a methd.
-//
+/// 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(), LabelPrefix) << ':';
} else if (!BB->use_empty()) { // Don't print block # of no uses...
- int Slot = Table.getValSlot(BB);
Out << "\n; <label>:";
- if (Slot >= 0)
- Out << Slot; // Extra newline separates out label's
- else
- Out << "<badref>";
+ int Slot = Machine.getLocalSlot(BB);
+ if (Slot != -1)
+ Out << Slot;
+ else
+ Out << "<badref>";
}
-
- // 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);
+ if (BB->getParent() == 0)
+ Out << "\t\t; Error: Block without parent!";
+ else {
+ if (BB != &BB->getParent()->getEntryBlock()) { // 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);
+ for (++PI; PI != PE; ++PI) {
+ Out << ',';
+ writeOperand(*PI, false);
+ }
+ }
}
}
-
+
Out << "\n";
+ 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.getValSlot(&V); // Print out the def slot taken...
- if (Slot >= 0) Out << ":" << Slot;
- else Out << ":<badref>";
+ int SlotNum;
+ if (const GlobalValue *GV = dyn_cast<GlobalValue>(&V))
+ SlotNum = Machine.getGlobalSlot(GV);
+ else
+ SlotNum = Machine.getLocalSlot(&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 methd.
-//
+// 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.hasName())
- Out << getLLVMName(I.getName()) << " = ";
+ Out << getLLVMName(I.getName(), LocalPrefix) << " = ";
+
+ // 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();
+ // Print out the compare instruction predicates
+ if (const FCmpInst *FCI = dyn_cast<FCmpInst>(&I)) {
+ Out << " " << getPredicateText(FCI->getPredicate());
+ } else if (const ICmpInst *ICI = dyn_cast<ICmpInst>(&I)) {
+ Out << " " << getPredicateText(ICI->getPredicate());
+ }
+
// Print out the type of the operands...
const Value *Operand = I.getNumOperands() ? I.getOperand(0) : 0;
// Special case conditional branches to swizzle the condition out to the front
if (isa<BranchInst>(I) && I.getNumOperands() > 1) {
writeOperand(I.getOperand(2), true);
- 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)) {
- const PointerType *PTy = cast<PointerType>(Operand->getType());
- const FunctionType *FTy = cast<FunctionType>(PTy->getElementType());
- const Type *RetTy = FTy->getReturnType();
+ } 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;
+ case CallingConv::X86_StdCall: Out << " x86_stdcallcc"; break;
+ case CallingConv::X86_FastCall: Out << " x86_fastcallcc"; 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();
+ const ParamAttrsList *PAL = CI->getParamAttrs();
// 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<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);
- for (unsigned op = 2, Eop = I.getNumOperands(); op < Eop; ++op) {
- Out << ",";
- writeOperand(I.getOperand(op), true);
+ Out << '(';
+ for (unsigned op = 1, Eop = I.getNumOperands(); op < Eop; ++op) {
+ if (op > 1)
+ Out << ',';
+ writeParamOperand(I.getOperand(op), PAL ? PAL->getParamAttrs(op) : 0);
}
-
Out << " )";
+ if (PAL && PAL->getParamAttrs(0) != ParamAttr::None)
+ Out << ' ' << PAL->getParamAttrsTextByIndex(0);
} 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();
+ const PointerType *PTy = cast<PointerType>(Operand->getType());
+ const FunctionType *FTy = cast<FunctionType>(PTy->getElementType());
+ const Type *RetTy = FTy->getReturnType();
+ const ParamAttrsList *PAL = II->getParamAttrs();
+
+ // 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;
+ case CallingConv::X86_StdCall: Out << "x86_stdcallcc "; break;
+ case CallingConv::X86_FastCall: Out << "x86_fastcallcc "; 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 << "(";
- 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 << '(';
+ for (unsigned op = 3, Eop = I.getNumOperands(); op < Eop; ++op) {
+ if (op > 3)
+ Out << ',';
+ writeParamOperand(I.getOperand(op), PAL ? PAL->getParamAttrs(op-2) : 0);
}
- Out << " )\n\t\t\tto";
+ Out << " )";
+ if (PAL && PAL->getParamAttrs(0) != ParamAttr::None)
+ Out << " " << PAL->getParamAttrsTextByIndex(0);
+ Out << "\n\t\t\tto";
writeOperand(II->getNormalDest(), true);
- Out << " except";
- writeOperand(II->getExceptionalDest(), true);
+ Out << " unwind";
+ 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)) {
- writeOperand(Operand, true);
+ if (Operand) writeOperand(Operand, true); // Work with broken code
Out << " to ";
printType(I.getType());
- } else if (isa<VarArgInst>(I)) {
- writeOperand(Operand, true);
+ } else if (isa<VAArgInst>(I)) {
+ if (Operand) writeOperand(Operand, true); // Work with broken code
Out << ", ";
printType(I.getType());
} 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)) {
+ // Select, Store and ShuffleVector always print all types.
+ if (isa<SelectInst>(I) || isa<StoreInst>(I) || isa<ShuffleVectorInst>(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);
}
}
+
+ // Print post operand alignment for load/store
+ if (isa<LoadInst>(I) && cast<LoadInst>(I).getAlignment()) {
+ Out << ", align " << cast<LoadInst>(I).getAlignment();
+ } else if (isa<StoreInst>(I) && cast<StoreInst>(I).getAlignment()) {
+ Out << ", align " << cast<StoreInst>(I).getAlignment();
+ }
printInfoComment(I);
Out << "\n";
// External Interface declarations
//===----------------------------------------------------------------------===//
-
-void Module::print(std::ostream &o) const {
- SlotCalculator SlotTable(this, true);
- AssemblyWriter W(o, SlotTable, this);
+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 {
- SlotCalculator SlotTable(getParent(), true);
- AssemblyWriter W(o, SlotTable, getParent());
+ SlotMachine SlotTable(getParent());
+ AssemblyWriter W(o, SlotTable, getParent(), 0);
+ W.write(this);
+}
+
+void GlobalAlias::print(std::ostream &o) const {
+ SlotMachine SlotTable(getParent());
+ AssemblyWriter W(o, SlotTable, getParent(), 0);
W.write(this);
}
-void Function::print(std::ostream &o) const {
- SlotCalculator SlotTable(getParent(), true);
- AssemblyWriter W(o, SlotTable, getParent());
+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) const {
- SlotCalculator SlotTable(getParent(), true);
- AssemblyWriter W(o, SlotTable,
- getParent() ? getParent()->getParent() : 0);
+void InlineAsm::print(std::ostream &o, AssemblyAnnotationWriter *AAW) const {
+ WriteAsOperand(o, this, true, 0);
+}
+
+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) const {
+void Instruction::print(std::ostream &o, AssemblyAnnotationWriter *AAW) const {
const Function *F = getParent() ? getParent()->getParent() : 0;
- SlotCalculator SlotTable(F, true);
- AssemblyWriter W(o, SlotTable, F ? F->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; }
- // 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() << " ";
+ o << ' ' << getType()->getDescription() << ' ';
std::map<const Type *, std::string> TypeTable;
- WriteConstantInt(o, this, false, TypeTable, 0);
+ WriteConstantInt(o, this, TypeTable, 0);
}
-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, getParent() ? getParent()->getParent() : 0);
}
-void Value::dump() const { print(std::cerr); }
+// 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(*cerr.stream()); cerr << '\n'; }
+
+// 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(*cerr.stream()); cerr << '\n'; }
+
+void
+ParamAttrsList::dump() const {
+ cerr << "PAL[ ";
+ for (unsigned i = 0; i < attrs.size(); ++i) {
+ uint16_t index = getParamIndex(i);
+ uint16_t attrs = getParamAttrs(index);
+ cerr << "{" << index << "," << attrs << "} ";
+ }
+ cerr << "]\n";
+}
//===----------------------------------------------------------------------===//
-// CachedWriter Class Implementation
+// SlotMachine Implementation
//===----------------------------------------------------------------------===//
-void CachedWriter::setModule(const Module *M) {
- delete SC; delete AW;
- if (M) {
- SC = new SlotCalculator(M, true);
- AW = new AssemblyWriter(Out, *SC, M);
- } else {
- SC = 0; AW = 0;
+#if 0
+#define SC_DEBUG(X) 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(), mNext(0), fMap(), fNext(0)
+{
+}
+
+// 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(), mNext(0), fMap(), fNext(0)
+{
+}
+
+inline void SlotMachine::initialize() {
+ if (TheModule) {
+ processModule();
+ TheModule = 0; ///< Prevent re-processing next time we're called.
}
+ if (TheFunction && !FunctionProcessed)
+ processFunction();
}
-CachedWriter::~CachedWriter() {
- delete AW;
- delete SC;
+// 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 unnamed global variables to the value table.
+ for (Module::const_global_iterator I = TheModule->global_begin(),
+ E = TheModule->global_end(); I != E; ++I)
+ if (!I->hasName())
+ CreateModuleSlot(I);
+
+ // Add all the unnamed functions to the table.
+ for (Module::const_iterator I = TheModule->begin(), E = TheModule->end();
+ I != E; ++I)
+ if (!I->hasName())
+ CreateModuleSlot(I);
+
+ SC_DEBUG("end processModule!\n");
}
-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;
+
+// Process the arguments, basic blocks, and instructions of a function.
+void SlotMachine::processFunction() {
+ SC_DEBUG("begin processFunction!\n");
+ fNext = 0;
+
+ // Add all the function arguments with no names.
+ for(Function::const_arg_iterator AI = TheFunction->arg_begin(),
+ AE = TheFunction->arg_end(); AI != AE; ++AI)
+ if (!AI->hasName())
+ CreateFunctionSlot(AI);
+
+ SC_DEBUG("Inserting Instructions:\n");
+
+ // Add all of the basic blocks and instructions with no names.
+ for (Function::const_iterator BB = TheFunction->begin(),
+ E = TheFunction->end(); BB != E; ++BB) {
+ if (!BB->hasName())
+ CreateFunctionSlot(BB);
+ for (BasicBlock::const_iterator I = BB->begin(), E = BB->end(); I != E; ++I)
+ if (I->getType() != Type::VoidTy && !I->hasName())
+ CreateFunctionSlot(I);
}
- return *this;
+
+ 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 get*Slot/Create*Slot. Function
+/// incorporation state is indicated by TheFunction != 0.
+void SlotMachine::purgeFunction() {
+ SC_DEBUG("begin purgeFunction!\n");
+ fMap.clear(); // Simply discard the function level map
+ TheFunction = 0;
+ FunctionProcessed = false;
+ SC_DEBUG("end purgeFunction!\n");
+}
+
+/// getGlobalSlot - Get the slot number of a global value.
+int SlotMachine::getGlobalSlot(const GlobalValue *V) {
+ // Check for uninitialized state and do lazy initialization.
+ initialize();
+
+ // Find the type plane in the module map
+ ValueMap::const_iterator MI = mMap.find(V);
+ if (MI == mMap.end()) return -1;
+
+ return MI->second;
+}
+
+
+/// getLocalSlot - Get the slot number for a value that is local to a function.
+int SlotMachine::getLocalSlot(const Value *V) {
+ assert(!isa<Constant>(V) && "Can't get a constant or global slot with this!");
+
+ // Check for uninitialized state and do lazy initialization.
+ initialize();
+
+ ValueMap::const_iterator FI = fMap.find(V);
+ if (FI == fMap.end()) return -1;
+
+ return FI->second;
+}
+
+
+/// CreateModuleSlot - Insert the specified GlobalValue* into the slot table.
+void SlotMachine::CreateModuleSlot(const GlobalValue *V) {
+ assert(V && "Can't insert a null Value into SlotMachine!");
+ assert(V->getType() != Type::VoidTy && "Doesn't need a slot!");
+ assert(!V->hasName() && "Doesn't need a slot!");
+
+ unsigned DestSlot = mNext++;
+ mMap[V] = DestSlot;
+
+ SC_DEBUG(" Inserting value [" << V->getType() << "] = " << V << " slot=" <<
+ DestSlot << " [");
+ // G = Global, F = Function, A = Alias, o = other
+ SC_DEBUG((isa<GlobalVariable>(V) ? 'G' :
+ (isa<Function> ? 'F' :
+ (isa<GlobalAlias> ? 'A' : 'o'))) << "]\n");
+}
+
+
+/// CreateSlot - Create a new slot for the specified value if it has no name.
+void SlotMachine::CreateFunctionSlot(const Value *V) {
+ const Type *VTy = V->getType();
+ assert(VTy != Type::VoidTy && !V->hasName() && "Doesn't need a slot!");
+
+ unsigned DestSlot = fNext++;
+ fMap[V] = DestSlot;
+
+ // G = Global, F = Function, o = other
+ SC_DEBUG(" Inserting value [" << VTy << "] = " << V << " slot=" <<
+ DestSlot << " [o]\n");
+}
projects / oota-llvm.git / blobdiff