diff options
Diffstat (limited to 'lib/Target/CBackend/CBackend.cpp')
-rw-r--r-- | lib/Target/CBackend/CBackend.cpp | 247 |
1 files changed, 43 insertions, 204 deletions
diff --git a/lib/Target/CBackend/CBackend.cpp b/lib/Target/CBackend/CBackend.cpp index c1c1d80..10f873f 100644 --- a/lib/Target/CBackend/CBackend.cpp +++ b/lib/Target/CBackend/CBackend.cpp @@ -49,7 +49,6 @@ #include "llvm/System/Host.h" #include "llvm/Config/config.h" #include <algorithm> -#include <sstream> using namespace llvm; extern "C" void LLVMInitializeCBackendTarget() { @@ -153,26 +152,16 @@ namespace { return false; } - raw_ostream &printType(formatted_raw_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 AttrListPtr &PAL = AttrListPtr()); - std::ostream &printType(std::ostream &Out, const Type *Ty, - bool isSigned = false, - const std::string &VariableName = "", - bool IgnoreName = false, - const AttrListPtr &PAL = AttrListPtr()); - raw_ostream &printSimpleType(formatted_raw_ostream &Out, - const Type *Ty, - bool isSigned, - const std::string &NameSoFar = ""); - std::ostream &printSimpleType(std::ostream &Out, const Type *Ty, - bool isSigned, + raw_ostream &printSimpleType(raw_ostream &Out, const Type *Ty, + bool isSigned, const std::string &NameSoFar = ""); - void printStructReturnPointerFunctionType(formatted_raw_ostream &Out, + void printStructReturnPointerFunctionType(raw_ostream &Out, const AttrListPtr &PAL, const PointerType *Ty); @@ -385,8 +374,8 @@ bool CBackendNameAllUsedStructsAndMergeFunctions::runOnModule(Module &M) { // If this isn't a struct or array type, remove it from our set of types // to name. This simplifies emission later. - if (!isa<StructType>(I->second) && !isa<OpaqueType>(I->second) && - !isa<ArrayType>(I->second)) { + if (!I->second->isStructTy() && !I->second->isOpaqueTy() && + !I->second->isArrayTy()) { TST.remove(I); } else { // If this is not used, remove it from the symbol table. @@ -405,7 +394,7 @@ bool CBackendNameAllUsedStructsAndMergeFunctions::runOnModule(Module &M) { unsigned RenameCounter = 0; for (std::set<const Type *>::const_iterator I = UT.begin(), E = UT.end(); I != E; ++I) - if (isa<StructType>(*I) || isa<ArrayType>(*I)) { + if ((*I)->isStructTy() || (*I)->isArrayTy()) { while (M.addTypeName("unnamed"+utostr(RenameCounter), *I)) ++RenameCounter; Changed = true; @@ -454,11 +443,12 @@ 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(formatted_raw_ostream &Out, +void CWriter::printStructReturnPointerFunctionType(raw_ostream &Out, const AttrListPtr &PAL, const PointerType *TheTy) { const FunctionType *FTy = cast<FunctionType>(TheTy->getElementType()); - std::stringstream FunctionInnards; + std::string tstr; + raw_string_ostream FunctionInnards(tstr); FunctionInnards << " (*) ("; bool PrintedType = false; @@ -470,7 +460,7 @@ void CWriter::printStructReturnPointerFunctionType(formatted_raw_ostream &Out, FunctionInnards << ", "; const Type *ArgTy = *I; if (PAL.paramHasAttr(Idx, Attribute::ByVal)) { - assert(isa<PointerType>(ArgTy)); + assert(ArgTy->isPointerTy()); ArgTy = cast<PointerType>(ArgTy)->getElementType(); } printType(FunctionInnards, ArgTy, @@ -484,63 +474,14 @@ void CWriter::printStructReturnPointerFunctionType(formatted_raw_ostream &Out, FunctionInnards << "void"; } FunctionInnards << ')'; - std::string tstr = FunctionInnards.str(); printType(Out, RetTy, - /*isSigned=*/PAL.paramHasAttr(0, Attribute::SExt), tstr); + /*isSigned=*/PAL.paramHasAttr(0, Attribute::SExt), FunctionInnards.str()); } raw_ostream & -CWriter::printSimpleType(formatted_raw_ostream &Out, const Type *Ty, - bool isSigned, +CWriter::printSimpleType(raw_ostream &Out, const Type *Ty, bool isSigned, const std::string &NameSoFar) { - assert((Ty->isPrimitiveType() || Ty->isIntegerTy() || 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->getTypeAllocSize(VTy)) + " ))) " + NameSoFar); - } - - default: -#ifndef NDEBUG - errs() << "Unknown primitive type: " << *Ty << "\n"; -#endif - llvm_unreachable(0); - } -} - -std::ostream & -CWriter::printSimpleType(std::ostream &Out, const Type *Ty, bool isSigned, - const std::string &NameSoFar) { - assert((Ty->isPrimitiveType() || Ty->isIntegerTy() || isa<VectorType>(Ty)) && + assert((Ty->isPrimitiveType() || Ty->isIntegerTy() || Ty->isVectorTy()) && "Invalid type for printSimpleType"); switch (Ty->getTypeID()) { case Type::VoidTyID: return Out << "void " << NameSoFar; @@ -587,120 +528,16 @@ 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(formatted_raw_ostream &Out, - const Type *Ty, +raw_ostream &CWriter::printType(raw_ostream &Out, const Type *Ty, bool isSigned, const std::string &NameSoFar, bool IgnoreName, const AttrListPtr &PAL) { - if (Ty->isPrimitiveType() || Ty->isIntegerTy() || 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, Attribute::ByVal)) { - assert(isa<PointerType>(ArgTy)); - ArgTy = cast<PointerType>(ArgTy)->getElementType(); - } - if (I != FTy->param_begin()) - FunctionInnards << ", "; - printType(FunctionInnards, ArgTy, - /*isSigned=*/PAL.paramHasAttr(Idx, Attribute::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, Attribute::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: { - std::string TyName = "struct opaque_" + itostr(OpaqueCounter++); - assert(TypeNames.find(Ty) == TypeNames.end()); - TypeNames[Ty] = TyName; - return Out << TyName << ' ' << NameSoFar; - } - default: - llvm_unreachable("Unhandled case in getTypeProps!"); - } - - 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 AttrListPtr &PAL) { - if (Ty->isPrimitiveType() || Ty->isIntegerTy() || isa<VectorType>(Ty)) { + if (Ty->isPrimitiveType() || Ty->isIntegerTy() || Ty->isVectorTy()) { printSimpleType(Out, Ty, isSigned, NameSoFar); return Out; } // Check to see if the type is named. - if (!IgnoreName || isa<OpaqueType>(Ty)) { + if (!IgnoreName || Ty->isOpaqueTy()) { std::map<const Type *, std::string>::iterator I = TypeNames.find(Ty); if (I != TypeNames.end()) return Out << I->second << ' ' << NameSoFar; } @@ -708,14 +545,15 @@ std::ostream &CWriter::printType(std::ostream &Out, const Type *Ty, switch (Ty->getTypeID()) { case Type::FunctionTyID: { const FunctionType *FTy = cast<FunctionType>(Ty); - std::stringstream FunctionInnards; + std::string tstr; + raw_string_ostream FunctionInnards(tstr); 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, Attribute::ByVal)) { - assert(isa<PointerType>(ArgTy)); + assert(ArgTy->isPointerTy()); ArgTy = cast<PointerType>(ArgTy)->getElementType(); } if (I != FTy->param_begin()) @@ -731,9 +569,8 @@ std::ostream &CWriter::printType(std::ostream &Out, const Type *Ty, FunctionInnards << "void"; } FunctionInnards << ')'; - std::string tstr = FunctionInnards.str(); printType(Out, FTy->getReturnType(), - /*isSigned=*/PAL.paramHasAttr(0, Attribute::SExt), tstr); + /*isSigned=*/PAL.paramHasAttr(0, Attribute::SExt), FunctionInnards.str()); return Out; } case Type::StructTyID: { @@ -756,8 +593,8 @@ std::ostream &CWriter::printType(std::ostream &Out, const Type *Ty, const PointerType *PTy = cast<PointerType>(Ty); std::string ptrName = "*" + NameSoFar; - if (isa<ArrayType>(PTy->getElementType()) || - isa<VectorType>(PTy->getElementType())) + if (PTy->getElementType()->isArrayTy() || + PTy->getElementType()->isVectorTy()) ptrName = "(" + ptrName + ")"; if (!PAL.isEmpty()) @@ -1144,7 +981,7 @@ void CWriter::printConstant(Constant *CPV, bool Static) { Out << "(("; printType(Out, CPV->getType()); // sign doesn't matter Out << ")/*UNDEF*/"; - if (!isa<VectorType>(CPV->getType())) { + if (!CPV->getType()->isVectorTy()) { Out << "0)"; } else { Out << "{})"; @@ -1660,7 +1497,7 @@ void CWriter::writeOperandWithCast(Value* Operand, const ICmpInst &Cmp) { // If the operand was a pointer, convert to a large integer type. const Type* OpTy = Operand->getType(); - if (isa<PointerType>(OpTy)) + if (OpTy->isPointerTy()) OpTy = TD->getIntPtrType(Operand->getContext()); Out << "(("; @@ -2102,10 +1939,10 @@ bool CWriter::doInitialization(Module &M) { // complete. If the value is an aggregate, print out { 0 }, and let // the compiler figure out the rest of the zeros. Out << " = " ; - if (isa<StructType>(I->getInitializer()->getType()) || - isa<VectorType>(I->getInitializer()->getType())) { + if (I->getInitializer()->getType()->isStructTy() || + I->getInitializer()->getType()->isVectorTy()) { Out << "{ 0 }"; - } else if (isa<ArrayType>(I->getInitializer()->getType())) { + } else if (I->getInitializer()->getType()->isArrayTy()) { // As with structs and vectors, but with an extra set of braces // because arrays are wrapped in structs. Out << "{ { 0 } }"; @@ -2274,7 +2111,7 @@ void CWriter::printModuleTypes(const TypeSymbolTable &TST) { // Out << "/* Structure contents */\n"; for (I = TST.begin(); I != End; ++I) - if (isa<StructType>(I->second) || isa<ArrayType>(I->second)) + if (I->second->isStructTy() || I->second->isArrayTy()) // Only print out used types! printContainedStructs(I->second, StructPrinted); } @@ -2287,7 +2124,7 @@ void CWriter::printModuleTypes(const TypeSymbolTable &TST) { void CWriter::printContainedStructs(const Type *Ty, std::set<const Type*> &StructPrinted) { // Don't walk through pointers. - if (isa<PointerType>(Ty) || Ty->isPrimitiveType() || Ty->isIntegerTy()) + if (Ty->isPointerTy() || Ty->isPrimitiveType() || Ty->isIntegerTy()) return; // Print all contained types first. @@ -2295,7 +2132,7 @@ void CWriter::printContainedStructs(const Type *Ty, E = Ty->subtype_end(); I != E; ++I) printContainedStructs(*I, StructPrinted); - if (isa<StructType>(Ty) || isa<ArrayType>(Ty)) { + if (Ty->isStructTy() || Ty->isArrayTy()) { // Check to see if we have already printed this struct. if (StructPrinted.insert(Ty).second) { // Print structure type out. @@ -2328,7 +2165,8 @@ void CWriter::printFunctionSignature(const Function *F, bool Prototype) { const FunctionType *FT = cast<FunctionType>(F->getFunctionType()); const AttrListPtr &PAL = F->getAttributes(); - std::stringstream FunctionInnards; + std::string tstr; + raw_string_ostream FunctionInnards(tstr); // Print out the name... FunctionInnards << GetValueName(F) << '('; @@ -2383,7 +2221,7 @@ void CWriter::printFunctionSignature(const Function *F, bool Prototype) { if (PrintedArg) FunctionInnards << ", "; const Type *ArgTy = *I; if (PAL.paramHasAttr(Idx, Attribute::ByVal)) { - assert(isa<PointerType>(ArgTy)); + assert(ArgTy->isPointerTy()); ArgTy = cast<PointerType>(ArgTy)->getElementType(); } printType(FunctionInnards, ArgTy, @@ -2714,7 +2552,7 @@ void CWriter::visitPHINode(PHINode &I) { void CWriter::visitBinaryOperator(Instruction &I) { // binary instructions, shift instructions, setCond instructions. - assert(!isa<PointerType>(I.getType())); + assert(!I.getType()->isPointerTy()); // We must cast the results of binary operations which might be promoted. bool needsCast = false; @@ -3490,7 +3328,7 @@ void CWriter::printGEPExpression(Value *Ptr, gep_type_iterator I, // exposed, like a global, avoid emitting (&foo)[0], just emit foo instead. if (isAddressExposed(Ptr)) { writeOperandInternal(Ptr, Static); - } else if (I != E && isa<StructType>(*I)) { + } else if (I != E && (*I)->isStructTy()) { // If we didn't already emit the first operand, see if we can print it as // P->f instead of "P[0].f" writeOperand(Ptr); @@ -3505,13 +3343,13 @@ void CWriter::printGEPExpression(Value *Ptr, gep_type_iterator I, } for (; I != E; ++I) { - if (isa<StructType>(*I)) { + if ((*I)->isStructTy()) { Out << ".field" << cast<ConstantInt>(I.getOperand())->getZExtValue(); - } else if (isa<ArrayType>(*I)) { + } else if ((*I)->isArrayTy()) { Out << ".array["; writeOperandWithCast(I.getOperand(), Instruction::GetElementPtr); Out << ']'; - } else if (!isa<VectorType>(*I)) { + } else if (!(*I)->isVectorTy()) { Out << '['; writeOperandWithCast(I.getOperand(), Instruction::GetElementPtr); Out << ']'; @@ -3669,7 +3507,7 @@ void CWriter::visitInsertValueInst(InsertValueInst &IVI) { i != e; ++i) { const Type *IndexedTy = ExtractValueInst::getIndexedType(IVI.getOperand(0)->getType(), b, i+1); - if (isa<ArrayType>(IndexedTy)) + if (IndexedTy->isArrayTy()) Out << ".array[" << *i << "]"; else Out << ".field" << *i; @@ -3690,7 +3528,7 @@ void CWriter::visitExtractValueInst(ExtractValueInst &EVI) { i != e; ++i) { const Type *IndexedTy = ExtractValueInst::getIndexedType(EVI.getOperand(0)->getType(), b, i+1); - if (isa<ArrayType>(IndexedTy)) + if (IndexedTy->isArrayTy()) Out << ".array[" << *i << "]"; else Out << ".field" << *i; @@ -3706,7 +3544,8 @@ void CWriter::visitExtractValueInst(ExtractValueInst &EVI) { bool CTargetMachine::addPassesToEmitWholeFile(PassManager &PM, formatted_raw_ostream &o, CodeGenFileType FileType, - CodeGenOpt::Level OptLevel) { + CodeGenOpt::Level OptLevel, + bool DisableVerify) { if (FileType != TargetMachine::CGFT_AssemblyFile) return true; PM.add(createGCLoweringPass()); |