Use raw_ostream throughout the AsmPrinter.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55092 91177308-0d34-0410-b5e6-96231b3b80d8

45 files changed, 300 insertions, 106 deletions

diff --git a/lib/Target/ARM/ARM.h b/lib/Target/ARM/ARM.h
index ef0c6bf839..8050a3aa5f 100644
--- a/lib/Target/ARM/ARM.h
+++ b/lib/Target/ARM/ARM.h
@@ -23,6 +23,7 @@ namespace llvm {
 class ARMTargetMachine;
 class FunctionPass;
 class MachineCodeEmitter;
+class raw_ostream;
 
 // Enums corresponding to ARM condition codes
 namespace ARMCC {
@@ -87,7 +88,7 @@ inline static const char *ARMCondCodeToString(ARMCC::CondCodes CC) {
 }
 
 FunctionPass *createARMISelDag(ARMTargetMachine &TM);
-FunctionPass *createARMCodePrinterPass(std::ostream &O, ARMTargetMachine &TM);
+FunctionPass *createARMCodePrinterPass(raw_ostream &O, ARMTargetMachine &TM);
 FunctionPass *createARMCodeEmitterPass(ARMTargetMachine &TM,
                                        MachineCodeEmitter &MCE);
 FunctionPass *createARMLoadStoreOptimizationPass();
diff --git a/lib/Target/ARM/ARMTargetMachine.cpp b/lib/Target/ARM/ARMTargetMachine.cpp
index 5b7018f56e..061307837f 100644
--- a/lib/Target/ARM/ARMTargetMachine.cpp
+++ b/lib/Target/ARM/ARMTargetMachine.cpp
@@ -18,6 +18,7 @@
 #include "llvm/PassManager.h"
 #include "llvm/CodeGen/Passes.h"
 #include "llvm/Support/CommandLine.h"
+#include "llvm/Support/raw_ostream.h"
 #include "llvm/Target/TargetMachineRegistry.h"
 #include "llvm/Target/TargetOptions.h"
 using namespace llvm;
@@ -143,7 +144,7 @@ bool ARMTargetMachine::addPreEmitPass(PassManagerBase &PM, bool Fast) {
 }
 
 bool ARMTargetMachine::addAssemblyEmitter(PassManagerBase &PM, bool Fast,
-                                          std::ostream &Out) {
+                                          raw_ostream &Out) {
   // Output assembly language.
   assert(AsmPrinterCtor && "AsmPrinter was not linked in");
   if (AsmPrinterCtor)
@@ -163,7 +164,7 @@ bool ARMTargetMachine::addCodeEmitter(PassManagerBase &PM, bool Fast,
   if (DumpAsm) {
     assert(AsmPrinterCtor && "AsmPrinter was not linked in");
     if (AsmPrinterCtor)
-      PM.add(AsmPrinterCtor(*cerr.stream(), *this));
+      PM.add(AsmPrinterCtor(errs(), *this));
   }
 
   return false;
@@ -176,7 +177,7 @@ bool ARMTargetMachine::addSimpleCodeEmitter(PassManagerBase &PM, bool Fast,
   if (DumpAsm) {
     assert(AsmPrinterCtor && "AsmPrinter was not linked in");
     if (AsmPrinterCtor)
-      PM.add(AsmPrinterCtor(*cerr.stream(), *this));
+      PM.add(AsmPrinterCtor(errs(), *this));
   }
 
   return false;
diff --git a/lib/Target/ARM/ARMTargetMachine.h b/lib/Target/ARM/ARMTargetMachine.h
index a485897bfc..35f97e3bc8 100644
--- a/lib/Target/ARM/ARMTargetMachine.h
+++ b/lib/Target/ARM/ARMTargetMachine.h
@@ -38,7 +38,7 @@ class ARMTargetMachine : public LLVMTargetMachine {
 protected:
   // To avoid having target depend on the asmprinter stuff libraries, asmprinter
   // set this functions to ctor pointer at startup time if they are linked in.
-  typedef FunctionPass *(*AsmPrinterCtorFn)(std::ostream &o,
+  typedef FunctionPass *(*AsmPrinterCtorFn)(raw_ostream &o,
                                             ARMTargetMachine &tm);
   static AsmPrinterCtorFn AsmPrinterCtor;
 
@@ -70,7 +70,7 @@ public:
   virtual bool addInstSelector(PassManagerBase &PM, bool Fast);
   virtual bool addPreEmitPass(PassManagerBase &PM, bool Fast);
   virtual bool addAssemblyEmitter(PassManagerBase &PM, bool Fast,
-                                  std::ostream &Out);
+                                  raw_ostream &Out);
   virtual bool addCodeEmitter(PassManagerBase &PM, bool Fast,
                               bool DumpAsm, MachineCodeEmitter &MCE);
   virtual bool addSimpleCodeEmitter(PassManagerBase &PM, bool Fast,
diff --git a/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp b/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
index e7e8f276a1..3e617f97b9 100644
--- a/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
+++ b/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
@@ -35,6 +35,7 @@
 #include "llvm/Support/Compiler.h"
 #include "llvm/Support/Mangler.h"
 #include "llvm/Support/MathExtras.h"
+#include "llvm/Support/raw_ostream.h"
 #include <cctype>
 using namespace llvm;
 
@@ -42,7 +43,7 @@ STATISTIC(EmittedInsts, "Number of machine instrs printed");
 
 namespace {
   struct VISIBILITY_HIDDEN ARMAsmPrinter : public AsmPrinter {
-    ARMAsmPrinter(std::ostream &O, TargetMachine &TM, const TargetAsmInfo *T)
+    ARMAsmPrinter(raw_ostream &O, TargetMachine &TM, const TargetAsmInfo *T)
       : AsmPrinter(O, TM, T), DW(O, this, T), MMI(NULL), AFI(NULL), 
         InCPMode(false) {
       Subtarget = &TM.getSubtarget<ARMSubtarget>();
@@ -342,7 +343,7 @@ void ARMAsmPrinter::printOperand(const MachineInstr *MI, int opNum,
   }
 }
 
-static void printSOImm(std::ostream &O, int64_t V, const TargetAsmInfo *TAI) {
+static void printSOImm(raw_ostream &O, int64_t V, const TargetAsmInfo *TAI) {
   assert(V < (1 << 12) && "Not a valid so_imm value!");
   unsigned Imm = ARM_AM::getSOImmValImm(V);
   unsigned Rot = ARM_AM::getSOImmValRot(V);
@@ -824,7 +825,7 @@ bool ARMAsmPrinter::doInitialization(Module &M) {
 
 /// PrintUnmangledNameSafely - Print out the printable characters in the name.
 /// Don't print things like \n or \0.
-static void PrintUnmangledNameSafely(const Value *V, std::ostream &OS) {
+static void PrintUnmangledNameSafely(const Value *V, raw_ostream &OS) {
   for (const char *Name = V->getNameStart(), *E = Name+V->getNameLen();
        Name != E; ++Name)
     if (isprint(*Name))
@@ -1030,7 +1031,7 @@ bool ARMAsmPrinter::doFinalization(Module &M) {
 /// using the given target machine description.  This should work
 /// regardless of whether the function is in SSA form.
 ///
-FunctionPass *llvm::createARMCodePrinterPass(std::ostream &o,
+FunctionPass *llvm::createARMCodePrinterPass(raw_ostream &o,
                                              ARMTargetMachine &tm) {
   return new ARMAsmPrinter(o, tm, tm.getTargetAsmInfo());
 }
diff --git a/lib/Target/Alpha/Alpha.h b/lib/Target/Alpha/Alpha.h
index d69d1b7eca..f62270dd88 100644
--- a/lib/Target/Alpha/Alpha.h
+++ b/lib/Target/Alpha/Alpha.h
@@ -23,9 +23,10 @@ namespace llvm {
   class FunctionPass;
   class TargetMachine;
   class MachineCodeEmitter;
+  class raw_ostream;
 
   FunctionPass *createAlphaISelDag(AlphaTargetMachine &TM);
-  FunctionPass *createAlphaCodePrinterPass(std::ostream &OS,
+  FunctionPass *createAlphaCodePrinterPass(raw_ostream &OS,
                                              TargetMachine &TM);
   FunctionPass *createAlphaPatternInstructionSelector(TargetMachine &TM);
   FunctionPass *createAlphaCodeEmitterPass(AlphaTargetMachine &TM,
diff --git a/lib/Target/Alpha/AlphaAsmPrinter.cpp b/lib/Target/Alpha/AlphaAsmPrinter.cpp
index e592e80a76..d92317e920 100644
--- a/lib/Target/Alpha/AlphaAsmPrinter.cpp
+++ b/lib/Target/Alpha/AlphaAsmPrinter.cpp
@@ -24,6 +24,7 @@
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/Support/Compiler.h"
 #include "llvm/Support/Mangler.h"
+#include "llvm/Support/raw_ostream.h"
 #include "llvm/ADT/Statistic.h"
 using namespace llvm;
 
@@ -35,7 +36,7 @@ namespace {
     /// Unique incrementer for label values for referencing Global values.
     ///
 
-    AlphaAsmPrinter(std::ostream &o, TargetMachine &tm, const TargetAsmInfo *T)
+    AlphaAsmPrinter(raw_ostream &o, TargetMachine &tm, const TargetAsmInfo *T)
       : AsmPrinter(o, tm, T) {
     }
 
@@ -65,7 +66,7 @@ namespace {
 /// using the given target machine description.  This should work
 /// regardless of whether the function is in SSA form.
 ///
-FunctionPass *llvm::createAlphaCodePrinterPass(std::ostream &o,
+FunctionPass *llvm::createAlphaCodePrinterPass(raw_ostream &o,
                                                TargetMachine &tm) {
   return new AlphaAsmPrinter(o, tm, tm.getTargetAsmInfo());
 }
diff --git a/lib/Target/Alpha/AlphaTargetMachine.cpp b/lib/Target/Alpha/AlphaTargetMachine.cpp
index e986a64c09..15c6948e49 100644
--- a/lib/Target/Alpha/AlphaTargetMachine.cpp
+++ b/lib/Target/Alpha/AlphaTargetMachine.cpp
@@ -17,6 +17,7 @@
 #include "llvm/Module.h"
 #include "llvm/PassManager.h"
 #include "llvm/Target/TargetMachineRegistry.h"
+#include "llvm/Support/raw_ostream.h"
 
 using namespace llvm;
 
@@ -78,7 +79,7 @@ bool AlphaTargetMachine::addPreEmitPass(PassManagerBase &PM, bool Fast) {
   return false;
 }
 bool AlphaTargetMachine::addAssemblyEmitter(PassManagerBase &PM, bool Fast, 
-                                            std::ostream &Out) {
+                                            raw_ostream &Out) {
   PM.add(createAlphaLLRPPass(*this));
   PM.add(createAlphaCodePrinterPass(Out, *this));
   return false;
@@ -87,7 +88,7 @@ bool AlphaTargetMachine::addCodeEmitter(PassManagerBase &PM, bool Fast,
                                         bool DumpAsm, MachineCodeEmitter &MCE) {
   PM.add(createAlphaCodeEmitterPass(*this, MCE));
   if (DumpAsm)
-    PM.add(createAlphaCodePrinterPass(*cerr.stream(), *this));
+    PM.add(createAlphaCodePrinterPass(errs(), *this));
   return false;
 }
 bool AlphaTargetMachine::addSimpleCodeEmitter(PassManagerBase &PM,
diff --git a/lib/Target/Alpha/AlphaTargetMachine.h b/lib/Target/Alpha/AlphaTargetMachine.h
index eab34c2afa..ff1e1d1924 100644
--- a/lib/Target/Alpha/AlphaTargetMachine.h
+++ b/lib/Target/Alpha/AlphaTargetMachine.h
@@ -61,7 +61,7 @@ public:
   virtual bool addInstSelector(PassManagerBase &PM, bool Fast);
   virtual bool addPreEmitPass(PassManagerBase &PM, bool Fast);
   virtual bool addAssemblyEmitter(PassManagerBase &PM, bool Fast, 
-                                  std::ostream &Out);
+                                  raw_ostream &Out);
   virtual bool addCodeEmitter(PassManagerBase &PM, bool Fast,
                               bool DumpAsm, MachineCodeEmitter &MCE);
   virtual bool addSimpleCodeEmitter(PassManagerBase &PM, bool Fast,
diff --git a/lib/Target/CBackend/CBackend.cpp b/lib/Target/CBackend/CBackend.cpp
index 2661b1b39c..f3de1906cd 100644
--- a/lib/Target/CBackend/CBackend.cpp
+++ b/lib/Target/CBackend/CBackend.cpp
@@ -39,6 +39,7 @@
 #include "llvm/Support/InstVisitor.h"
 #include "llvm/Support/Mangler.h"
 #include "llvm/Support/MathExtras.h"
+#include "llvm/Support/raw_ostream.h"
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/Support/MathExtras.h"
@@ -76,7 +77,7 @@ namespace {
   /// CWriter - This class is the main chunk of code that converts an LLVM
   /// module to a C translation unit.
   class CWriter : public FunctionPass, public InstVisitor<CWriter> {
-    std::ostream &Out;
+    raw_ostream &Out;
     IntrinsicLowering *IL;
     Mangler *Mang;
     LoopInfo *LI;
@@ -90,7 +91,7 @@ namespace {
 
   public:
     static char ID;
-    explicit CWriter(std::ostream &o)
+    explicit CWriter(raw_ostream &o)
       : FunctionPass((intptr_t)&ID), Out(o), IL(0), Mang(0), LI(0), 
         TheModule(0), TAsm(0), TD(0) {}
 
@@ -126,16 +127,24 @@ namespace {
       return false;
     }
 
-    std::ostream &printType(std::ostream &Out, const Type *Ty, 
+    raw_ostream &printType(raw_ostream &Out, const Type *Ty, 
                             bool isSigned = false,
                             const std::string &VariableName = "",
                             bool IgnoreName = false,
                             const PAListPtr &PAL = PAListPtr());
-    std::ostream &printSimpleType(std::ostream &Out, const Type *Ty, 
+    std::ostream &printType(std::ostream &Out, const Type *Ty, 
+                           bool isSigned = false,
+                           const std::string &VariableName = "",
+                           bool IgnoreName = false,
+                           const PAListPtr &PAL = PAListPtr());
+    raw_ostream &printSimpleType(raw_ostream &Out, const Type *Ty, 
                                   bool isSigned, 
                                   const std::string &NameSoFar = "");
+    std::ostream &printSimpleType(std::ostream &Out, const Type *Ty, 
+                                 bool isSigned, 
+                                 const std::string &NameSoFar = "");
 
-    void printStructReturnPointerFunctionType(std::ostream &Out,
+    void printStructReturnPointerFunctionType(raw_ostream &Out,
                                               const PAListPtr &PAL,
                                               const PointerType *Ty);
 
@@ -398,7 +407,7 @@ bool CBackendNameAllUsedStructsAndMergeFunctions::runOnModule(Module &M) {
 /// printStructReturnPointerFunctionType - This is like printType for a struct
 /// return type, except, instead of printing the type as void (*)(Struct*, ...)
 /// print it as "Struct (*)(...)", for struct return functions.
-void CWriter::printStructReturnPointerFunctionType(std::ostream &Out,
+void CWriter::printStructReturnPointerFunctionType(raw_ostream &Out,
                                                    const PAListPtr &PAL,
                                                    const PointerType *TheTy) {
   const FunctionType *FTy = cast<FunctionType>(TheTy->getElementType());
@@ -433,6 +442,51 @@ void CWriter::printStructReturnPointerFunctionType(std::ostream &Out,
       /*isSigned=*/PAL.paramHasAttr(0, ParamAttr::SExt), tstr);
 }
 
+raw_ostream &
+CWriter::printSimpleType(raw_ostream &Out, const Type *Ty, bool isSigned,
+                         const std::string &NameSoFar) {
+  assert((Ty->isPrimitiveType() || Ty->isInteger() || isa<VectorType>(Ty)) && 
+         "Invalid type for printSimpleType");
+  switch (Ty->getTypeID()) {
+  case Type::VoidTyID:   return Out << "void " << NameSoFar;
+  case Type::IntegerTyID: {
+    unsigned NumBits = cast<IntegerType>(Ty)->getBitWidth();
+    if (NumBits == 1) 
+      return Out << "bool " << NameSoFar;
+    else if (NumBits <= 8)
+      return Out << (isSigned?"signed":"unsigned") << " char " << NameSoFar;
+    else if (NumBits <= 16)
+      return Out << (isSigned?"signed":"unsigned") << " short " << NameSoFar;
+    else if (NumBits <= 32)
+      return Out << (isSigned?"signed":"unsigned") << " int " << NameSoFar;
+    else if (NumBits <= 64)
+      return Out << (isSigned?"signed":"unsigned") << " long long "<< NameSoFar;
+    else { 
+      assert(NumBits <= 128 && "Bit widths > 128 not implemented yet");
+      return Out << (isSigned?"llvmInt128":"llvmUInt128") << " " << NameSoFar;
+    }
+  }
+  case Type::FloatTyID:  return Out << "float "   << NameSoFar;
+  case Type::DoubleTyID: return Out << "double "  << NameSoFar;
+  // Lacking emulation of FP80 on PPC, etc., we assume whichever of these is
+  // present matches host 'long double'.
+  case Type::X86_FP80TyID:
+  case Type::PPC_FP128TyID:
+  case Type::FP128TyID:  return Out << "long double " << NameSoFar;
+      
+  case Type::VectorTyID: {
+    const VectorType *VTy = cast<VectorType>(Ty);
+    return printSimpleType(Out, VTy->getElementType(), isSigned,
+                     " __attribute__((vector_size(" +
+                     utostr(TD->getABITypeSize(VTy)) + " ))) " + NameSoFar);
+  }
+    
+  default:
+    cerr << "Unknown primitive type: " << *Ty << "\n";
+    abort();
+  }
+}
+
 std::ostream &
 CWriter::printSimpleType(std::ostream &Out, const Type *Ty, bool isSigned,
                          const std::string &NameSoFar) {
@@ -481,6 +535,111 @@ CWriter::printSimpleType(std::ostream &Out, const Type *Ty, bool isSigned,
 // Pass the Type* and the variable name and this prints out the variable
 // declaration.
 //
+raw_ostream &CWriter::printType(raw_ostream &Out, const Type *Ty,
+                                 bool isSigned, const std::string &NameSoFar,
+                                 bool IgnoreName, const PAListPtr &PAL) {
+  if (Ty->isPrimitiveType() || Ty->isInteger() || isa<VectorType>(Ty)) {
+    printSimpleType(Out, Ty, isSigned, NameSoFar);
+    return Out;
+  }
+
+  // Check to see if the type is named.
+  if (!IgnoreName || isa<OpaqueType>(Ty)) {
+    std::map<const Type *, std::string>::iterator I = TypeNames.find(Ty);
+    if (I != TypeNames.end()) return Out << I->second << ' ' << NameSoFar;
+  }
+
+  switch (Ty->getTypeID()) {
+  case Type::FunctionTyID: {
+    const FunctionType *FTy = cast<FunctionType>(Ty);
+    std::stringstream FunctionInnards;
+    FunctionInnards << " (" << NameSoFar << ") (";
+    unsigned Idx = 1;
+    for (FunctionType::param_iterator I = FTy->param_begin(),
+           E = FTy->param_end(); I != E; ++I) {
+      const Type *ArgTy = *I;
+      if (PAL.paramHasAttr(Idx, ParamAttr::ByVal)) {
+        assert(isa<PointerType>(ArgTy));
+        ArgTy = cast<PointerType>(ArgTy)->getElementType();
+      }
+      if (I != FTy->param_begin())
+        FunctionInnards << ", ";
+      printType(FunctionInnards, ArgTy,
+        /*isSigned=*/PAL.paramHasAttr(Idx, ParamAttr::SExt), "");
+      ++Idx;
+    }
+    if (FTy->isVarArg()) {
+      if (FTy->getNumParams())
+        FunctionInnards << ", ...";
+    } else if (!FTy->getNumParams()) {
+      FunctionInnards << "void";
+    }
+    FunctionInnards << ')';
+    std::string tstr = FunctionInnards.str();
+    printType(Out, FTy->getReturnType(), 
+      /*isSigned=*/PAL.paramHasAttr(0, ParamAttr::SExt), tstr);
+    return Out;
+  }
+  case Type::StructTyID: {
+    const StructType *STy = cast<StructType>(Ty);
+    Out << NameSoFar + " {\n";
+    unsigned Idx = 0;
+    for (StructType::element_iterator I = STy->element_begin(),
+           E = STy->element_end(); I != E; ++I) {
+      Out << "  ";
+      printType(Out, *I, false, "field" + utostr(Idx++));
+      Out << ";\n";
+    }
+    Out << '}';
+    if (STy->isPacked())
+      Out << " __attribute__ ((packed))";
+    return Out;
+  }
+
+  case Type::PointerTyID: {
+    const PointerType *PTy = cast<PointerType>(Ty);
+    std::string ptrName = "*" + NameSoFar;
+
+    if (isa<ArrayType>(PTy->getElementType()) ||
+        isa<VectorType>(PTy->getElementType()))
+      ptrName = "(" + ptrName + ")";
+
+    if (!PAL.isEmpty())
+      // Must be a function ptr cast!
+      return printType(Out, PTy->getElementType(), false, ptrName, true, PAL);
+    return printType(Out, PTy->getElementType(), false, ptrName);
+  }
+
+  case Type::ArrayTyID: {
+    const ArrayType *ATy = cast<ArrayType>(Ty);
+    unsigned NumElements = ATy->getNumElements();
+    if (NumElements == 0) NumElements = 1;
+    // Arrays are wrapped in structs to allow them to have normal
+    // value semantics (avoiding the array "decay").
+    Out << NameSoFar << " { ";
+    printType(Out, ATy->getElementType(), false,
+              "array[" + utostr(NumElements) + "]");
+    return Out << "; }";
+  }
+
+  case Type::OpaqueTyID: {
+    static int Count = 0;
+    std::string TyName = "struct opaque_" + itostr(Count++);
+    assert(TypeNames.find(Ty) == TypeNames.end());
+    TypeNames[Ty] = TyName;
+    return Out << TyName << ' ' << NameSoFar;
+  }
+  default:
+    assert(0 && "Unhandled case in getTypeProps!");
+    abort();
+  }
+
+  return Out;
+}
+
+// Pass the Type* and the variable name and this prints out the variable
+// declaration.
+//
 std::ostream &CWriter::printType(std::ostream &Out, const Type *Ty,
                                  bool isSigned, const std::string &NameSoFar,
                                  bool IgnoreName, const PAListPtr &PAL) {
@@ -1427,7 +1586,7 @@ void CWriter::writeOperandWithCast(Value* Operand, const ICmpInst &Cmp) {
 // generateCompilerSpecificCode - This is where we add conditional compilation
 // directives to cater to specific compilers as need be.
 //
-static void generateCompilerSpecificCode(std::ostream& Out,
+static void generateCompilerSpecificCode(raw_ostream& Out,
                                          const TargetData *TD) {
   // Alloca is hard to get, and we don't want to include stdlib.h here.
   Out << "/* get a declaration for alloca */\n"
@@ -1871,31 +2030,31 @@ void CWriter::printFloatingPointConstants(Function &F) {
           double Val = FPC->getValueAPF().convertToDouble();
           uint64_t i = FPC->getValueAPF().convertToAPInt().getZExtValue();
           Out << "static const ConstantDoubleTy FPConstant" << FPCounter++
-              << " = 0x" << std::hex << i << std::dec
+              << " = 0x" << utohexstr(i)
               << "ULL;    /* " << Val << " */\n";
         } else if (FPC->getType() == Type::FloatTy) {
           float Val = FPC->getValueAPF().convertToFloat();
           uint32_t i = (uint32_t)FPC->getValueAPF().convertToAPInt().
                                     getZExtValue();
           Out << "static const ConstantFloatTy FPConstant" << FPCounter++
-              << " = 0x" << std::hex << i << std::dec
+              << " = 0x" << utohexstr(i)
               << "U;    /* " << Val << " */\n";
         } else if (FPC->getType() == Type::X86_FP80Ty) {
           // api needed to prevent premature destruction
           APInt api = FPC->getValueAPF().convertToAPInt();
           const uint64_t *p = api.getRawData();
           Out << "static const ConstantFP80Ty FPConstant" << FPCounter++
-              << " = { 0x" << std::hex
-              << ((uint16_t)p[1] | (p[0] & 0xffffffffffffLL)<<16)
-              << "ULL, 0x" << (uint16_t)(p[0] >> 48) << ",{0,0,0}"
-              << "}; /* Long double constant */\n" << std::dec;
+              << " = { 0x"
+              << utohexstr((uint16_t)p[1] | (p[0] & 0xffffffffffffLL)<<16)
+              << "ULL, 0x" << utohexstr((uint16_t)(p[0] >> 48)) << ",{0,0,0}"
+              << "}; /* Long double constant */\n";
         } else if (FPC->getType() == Type::PPC_FP128Ty) {
           APInt api = FPC->getValueAPF().convertToAPInt();
           const uint64_t *p = api.getRawData();
           Out << "static const ConstantFP128Ty FPConstant" << FPCounter++
-              << " = { 0x" << std::hex
-              << p[0] << ", 0x" << p[1]
-              << "}; /* Long double constant */\n" << std::dec;
+              << " = { 0x"
+              << utohexstr(p[0]) << ", 0x" << utohexstr(p[1])
+              << "}; /* Long double constant */\n";
 
         } else
           assert(0 && "Unknown float type!");
@@ -2869,11 +3028,16 @@ bool CWriter::visitBuiltinCall(CallInst &I, Intrinsic::ID ID,
   case Intrinsic::dbg_stoppoint: {
     // If we use writeOperand directly we get a "u" suffix which is rejected
     // by gcc.
+    std::stringstream SPIStr;
     DbgStopPointInst &SPI = cast<DbgStopPointInst>(I);
+    SPI.getDirectory()->print(SPIStr);
     Out << "\n#line "
         << SPI.getLine()
-        << " \"" << SPI.getDirectory()
-        << SPI.getFileName() << "\"\n";
+        << " \"";
+    Out << SPIStr.str();
+    SPIStr.clear();
+    SPI.getFileName()->print(SPIStr);
+    Out << SPIStr.str() << "\"\n";
     return true;
   }
   case Intrinsic::x86_sse_cmp_ss:
@@ -3375,7 +3539,7 @@ void CWriter::visitExtractValueInst(ExtractValueInst &EVI) {
 //===----------------------------------------------------------------------===//
 
 bool CTargetMachine::addPassesToEmitWholeFile(PassManager &PM,
-                                              std::ostream &o,
+                                              raw_ostream &o,
                                               CodeGenFileType FileType,
                                               bool Fast) {
   if (FileType != TargetMachine::AssemblyFile) return true;
diff --git a/lib/Target/CBackend/CTargetMachine.h b/lib/Target/CBackend/CTargetMachine.h
index 7b5775a947..ad89960b32 100644
--- a/