//===----------------------------------------------------------------------===//
//
// This file implements LLVMContext, as a wrapper around the opaque
-// class LLVMContextImpl.
+// class LLVMContextImpl.
//
//===----------------------------------------------------------------------===//
#include "llvm/LLVMContext.h"
+#include "llvm/Metadata.h"
#include "llvm/Constants.h"
-#include "llvm/DerivedTypes.h"
#include "llvm/Instruction.h"
-#include "llvm/MDNode.h"
#include "llvm/Support/ManagedStatic.h"
+#include "llvm/Support/SourceMgr.h"
#include "LLVMContextImpl.h"
-#include <cstdarg>
-
+#include <cctype>
using namespace llvm;
static ManagedStatic<LLVMContext> GlobalContext;
return *GlobalContext;
}
-LLVMContext::LLVMContext() : pImpl(new LLVMContextImpl()) { }
-LLVMContext::~LLVMContext() { delete pImpl; }
-
-// Constant accessors
-
-// Constructor to create a '0' constant of arbitrary type...
-static const uint64_t zero[2] = {0, 0};
-Constant* LLVMContext::getNullValue(const Type* Ty) {
- switch (Ty->getTypeID()) {
- case Type::IntegerTyID:
- return getConstantInt(Ty, 0);
- case Type::FloatTyID:
- return getConstantFP(APFloat(APInt(32, 0)));
- case Type::DoubleTyID:
- return getConstantFP(APFloat(APInt(64, 0)));
- case Type::X86_FP80TyID:
- return getConstantFP(APFloat(APInt(80, 2, zero)));
- case Type::FP128TyID:
- return getConstantFP(APFloat(APInt(128, 2, zero), true));
- case Type::PPC_FP128TyID:
- return getConstantFP(APFloat(APInt(128, 2, zero)));
- case Type::PointerTyID:
- return getConstantPointerNull(cast<PointerType>(Ty));
- case Type::StructTyID:
- case Type::ArrayTyID:
- case Type::VectorTyID:
- return getConstantAggregateZero(Ty);
- default:
- // Function, Label, or Opaque type?
- assert(!"Cannot create a null constant of that type!");
- return 0;
- }
-}
-
-Constant* LLVMContext::getAllOnesValue(const Type* Ty) {
- if (const IntegerType* ITy = dyn_cast<IntegerType>(Ty))
- return getConstantInt(APInt::getAllOnesValue(ITy->getBitWidth()));
-
- std::vector<Constant*> Elts;
- const VectorType* VTy = cast<VectorType>(Ty);
- Elts.resize(VTy->getNumElements(), getAllOnesValue(VTy->getElementType()));
- assert(Elts[0] && "Not a vector integer type!");
- return cast<ConstantVector>(getConstantVector(Elts));
-}
-
-// UndefValue accessors.
-UndefValue* LLVMContext::getUndef(const Type* Ty) {
- return UndefValue::get(Ty);
-}
-
-// ConstantInt accessors.
-ConstantInt* LLVMContext::getConstantIntTrue() {
- return ConstantInt::getTrue();
-}
-
-ConstantInt* LLVMContext::getConstantIntFalse() {
- return ConstantInt::getFalse();
-}
-
-Constant* LLVMContext::getConstantInt(const Type* Ty, uint64_t V,
- bool isSigned) {
- Constant *C = getConstantInt(cast<IntegerType>(Ty->getScalarType()),
- V, isSigned);
-
- // For vectors, broadcast the value.
- if (const VectorType *VTy = dyn_cast<VectorType>(Ty))
- return
- getConstantVector(std::vector<Constant *>(VTy->getNumElements(), C));
-
- return C;
-}
-
-
-ConstantInt* LLVMContext::getConstantInt(const IntegerType* Ty, uint64_t V,
- bool isSigned) {
- return getConstantInt(APInt(Ty->getBitWidth(), V, isSigned));
-}
-
-ConstantInt* LLVMContext::getConstantIntSigned(const IntegerType* Ty,
- int64_t V) {
- return getConstantInt(Ty, V, true);
-}
-
-Constant *LLVMContext::getConstantIntSigned(const Type *Ty, int64_t V) {
- return getConstantInt(Ty, V, true);
-}
-
-ConstantInt* LLVMContext::getConstantInt(const APInt& V) {
- return ConstantInt::get(V);
-}
+LLVMContext::LLVMContext() : pImpl(new LLVMContextImpl(*this)) {
+ // Create the fixed metadata kinds. This is done in the same order as the
+ // MD_* enum values so that they correspond.
-Constant* LLVMContext::getConstantInt(const Type* Ty, const APInt& V) {
- ConstantInt *C = getConstantInt(V);
- assert(C->getType() == Ty->getScalarType() &&
- "ConstantInt type doesn't match the type implied by its value!");
+ // Create the 'dbg' metadata kind.
+ unsigned DbgID = getMDKindID("dbg");
+ assert(DbgID == MD_dbg && "dbg kind id drifted"); (void)DbgID;
- // For vectors, broadcast the value.
- if (const VectorType *VTy = dyn_cast<VectorType>(Ty))
- return
- ConstantVector::get(std::vector<Constant *>(VTy->getNumElements(), C));
+ // Create the 'tbaa' metadata kind.
+ unsigned TBAAID = getMDKindID("tbaa");
+ assert(TBAAID == MD_tbaa && "tbaa kind id drifted"); (void)TBAAID;
- return C;
+ // Create the 'prof' metadata kind.
+ unsigned ProfID = getMDKindID("prof");
+ assert(ProfID == MD_prof && "prof kind id drifted"); (void)ProfID;
}
+LLVMContext::~LLVMContext() { delete pImpl; }
-// ConstantPointerNull accessors.
-ConstantPointerNull* LLVMContext::getConstantPointerNull(const PointerType* T) {
- return ConstantPointerNull::get(T);
+void LLVMContext::addModule(Module *M) {
+ pImpl->OwnedModules.insert(M);
}
-
-// ConstantStruct accessors.
-Constant* LLVMContext::getConstantStruct(const StructType* T,
- const std::vector<Constant*>& V) {
- return ConstantStruct::get(T, V);
+void LLVMContext::removeModule(Module *M) {
+ pImpl->OwnedModules.erase(M);
}
-Constant* LLVMContext::getConstantStruct(const std::vector<Constant*>& V,
- bool packed) {
- std::vector<const Type*> StructEls;
- StructEls.reserve(V.size());
- for (unsigned i = 0, e = V.size(); i != e; ++i)
- StructEls.push_back(V[i]->getType());
- return getConstantStruct(getStructType(StructEls, packed), V);
-}
+//===----------------------------------------------------------------------===//
+// Recoverable Backend Errors
+//===----------------------------------------------------------------------===//
-Constant* LLVMContext::getConstantStruct(Constant* const *Vals,
- unsigned NumVals, bool Packed) {
- // FIXME: make this the primary ctor method.
- return getConstantStruct(std::vector<Constant*>(Vals, Vals+NumVals), Packed);
+void LLVMContext::
+setInlineAsmDiagnosticHandler(InlineAsmDiagHandlerTy DiagHandler,
+ void *DiagContext) {
+ pImpl->InlineAsmDiagHandler = DiagHandler;
+ pImpl->InlineAsmDiagContext = DiagContext;
}
-
-// ConstantAggregateZero accessors.
-ConstantAggregateZero* LLVMContext::getConstantAggregateZero(const Type* Ty) {
- return ConstantAggregateZero::get(Ty);
+/// getInlineAsmDiagnosticHandler - Return the diagnostic handler set by
+/// setInlineAsmDiagnosticHandler.
+LLVMContext::InlineAsmDiagHandlerTy
+LLVMContext::getInlineAsmDiagnosticHandler() const {
+ return pImpl->InlineAsmDiagHandler;
}
-
-// ConstantArray accessors.
-Constant* LLVMContext::getConstantArray(const ArrayType* T,
- const std::vector<Constant*>& V) {
- return ConstantArray::get(T, V);
+/// getInlineAsmDiagnosticContext - Return the diagnostic context set by
+/// setInlineAsmDiagnosticHandler.
+void *LLVMContext::getInlineAsmDiagnosticContext() const {
+ return pImpl->InlineAsmDiagContext;
}
-Constant* LLVMContext::getConstantArray(const ArrayType* T,
- Constant* const* Vals,
- unsigned NumVals) {
- return ConstantArray::get(T, Vals, NumVals);
+void LLVMContext::emitError(StringRef ErrorStr) {
+ emitError(0U, ErrorStr);
}
-/// ConstantArray::get(const string&) - Return an array that is initialized to
-/// contain the specified string. If length is zero then a null terminator is
-/// added to the specified string so that it may be used in a natural way.
-/// Otherwise, the length parameter specifies how much of the string to use
-/// and it won't be null terminated.
-///
-Constant* LLVMContext::getConstantArray(const std::string& Str,
- bool AddNull) {
- std::vector<Constant*> ElementVals;
- for (unsigned i = 0; i < Str.length(); ++i)
- ElementVals.push_back(getConstantInt(Type::Int8Ty, Str[i]));
-
- // Add a null terminator to the string...
- if (AddNull) {
- ElementVals.push_back(getConstantInt(Type::Int8Ty, 0));
+void LLVMContext::emitError(const Instruction *I, StringRef ErrorStr) {
+ unsigned LocCookie = 0;
+ if (const MDNode *SrcLoc = I->getMetadata("srcloc")) {
+ if (SrcLoc->getNumOperands() != 0)
+ if (const ConstantInt *CI = dyn_cast<ConstantInt>(SrcLoc->getOperand(0)))
+ LocCookie = CI->getZExtValue();
}
-
- ArrayType *ATy = getArrayType(Type::Int8Ty, ElementVals.size());
- return getConstantArray(ATy, ElementVals);
-}
-
-
-// ConstantExpr accessors.
-Constant* LLVMContext::getConstantExpr(unsigned Opcode, Constant* C1,
- Constant* C2) {
- return ConstantExpr::get(Opcode, C1, C2);
-}
-
-Constant* LLVMContext::getConstantExprTrunc(Constant* C, const Type* Ty) {
- return ConstantExpr::getTrunc(C, Ty);
-}
-
-Constant* LLVMContext::getConstantExprSExt(Constant* C, const Type* Ty) {
- return ConstantExpr::getSExt(C, Ty);
-}
-
-Constant* LLVMContext::getConstantExprZExt(Constant* C, const Type* Ty) {
- return ConstantExpr::getZExt(C, Ty);
-}
-
-Constant* LLVMContext::getConstantExprFPTrunc(Constant* C, const Type* Ty) {
- return ConstantExpr::getFPTrunc(C, Ty);
-}
-
-Constant* LLVMContext::getConstantExprFPExtend(Constant* C, const Type* Ty) {
- return ConstantExpr::getFPExtend(C, Ty);
-}
-
-Constant* LLVMContext::getConstantExprUIToFP(Constant* C, const Type* Ty) {
- return ConstantExpr::getUIToFP(C, Ty);
-}
-
-Constant* LLVMContext::getConstantExprSIToFP(Constant* C, const Type* Ty) {
- return ConstantExpr::getSIToFP(C, Ty);
-}
-
-Constant* LLVMContext::getConstantExprFPToUI(Constant* C, const Type* Ty) {
- return ConstantExpr::getFPToUI(C, Ty);
-}
-
-Constant* LLVMContext::getConstantExprFPToSI(Constant* C, const Type* Ty) {
- return ConstantExpr::getFPToSI(C, Ty);
-}
-
-Constant* LLVMContext::getConstantExprPtrToInt(Constant* C, const Type* Ty) {
- return ConstantExpr::getPtrToInt(C, Ty);
-}
-
-Constant* LLVMContext::getConstantExprIntToPtr(Constant* C, const Type* Ty) {
- return ConstantExpr::getIntToPtr(C, Ty);
-}
-
-Constant* LLVMContext::getConstantExprBitCast(Constant* C, const Type* Ty) {
- return ConstantExpr::getBitCast(C, Ty);
-}
-
-Constant* LLVMContext::getConstantExprCast(unsigned ops, Constant* C,
- const Type* Ty) {
- return ConstantExpr::getCast(ops, C, Ty);
-}
-
-Constant* LLVMContext::getConstantExprZExtOrBitCast(Constant* C,
- const Type* Ty) {
- return ConstantExpr::getZExtOrBitCast(C, Ty);
-}
-
-Constant* LLVMContext::getConstantExprSExtOrBitCast(Constant* C,
- const Type* Ty) {
- return ConstantExpr::getSExtOrBitCast(C, Ty);
-}
-
-Constant* LLVMContext::getConstantExprTruncOrBitCast(Constant* C,
- const Type* Ty) {
- return ConstantExpr::getTruncOrBitCast(C, Ty);
-}
-
-Constant* LLVMContext::getConstantExprPointerCast(Constant* C, const Type* Ty) {
- return ConstantExpr::getPointerCast(C, Ty);
-}
-
-Constant* LLVMContext::getConstantExprIntegerCast(Constant* C, const Type* Ty,
- bool isSigned) {
- return ConstantExpr::getIntegerCast(C, Ty, isSigned);
-}
-
-Constant* LLVMContext::getConstantExprFPCast(Constant* C, const Type* Ty) {
- return ConstantExpr::getFPCast(C, Ty);
-}
-
-Constant* LLVMContext::getConstantExprSelect(Constant* C, Constant* V1,
- Constant* V2) {
- return ConstantExpr::getSelect(C, V1, V2);
-}
-
-Constant* LLVMContext::getConstantExprAlignOf(const Type* Ty) {
- // alignof is implemented as: (i64) gep ({i8,Ty}*)null, 0, 1
- const Type *AligningTy = getStructType(Type::Int8Ty, Ty, NULL);
- Constant *NullPtr = getNullValue(AligningTy->getPointerTo());
- Constant *Zero = getConstantInt(Type::Int32Ty, 0);
- Constant *One = getConstantInt(Type::Int32Ty, 1);
- Constant *Indices[2] = { Zero, One };
- Constant *GEP = getConstantExprGetElementPtr(NullPtr, Indices, 2);
- return getConstantExprCast(Instruction::PtrToInt, GEP, Type::Int32Ty);
-}
-
-Constant* LLVMContext::getConstantExprCompare(unsigned short pred,
- Constant* C1, Constant* C2) {
- return ConstantExpr::getCompare(pred, C1, C2);
-}
-
-Constant* LLVMContext::getConstantExprNeg(Constant* C) {
- // API compatibility: Adjust integer opcodes to floating-point opcodes.
- if (C->getType()->isFPOrFPVector())
- return getConstantExprFNeg(C);
- assert(C->getType()->isIntOrIntVector() &&
- "Cannot NEG a nonintegral value!");
- return getConstantExpr(Instruction::Sub,
- getZeroValueForNegation(C->getType()),
- C);
-}
-
-Constant* LLVMContext::getConstantExprFNeg(Constant* C) {
- assert(C->getType()->isFPOrFPVector() &&
- "Cannot FNEG a non-floating-point value!");
- return getConstantExpr(Instruction::FSub,
- getZeroValueForNegation(C->getType()),
- C);
-}
-
-Constant* LLVMContext::getConstantExprNot(Constant* C) {
- assert(C->getType()->isIntOrIntVector() &&
- "Cannot NOT a nonintegral value!");
- return getConstantExpr(Instruction::Xor, C, getAllOnesValue(C->getType()));
-}
-
-Constant* LLVMContext::getConstantExprAdd(Constant* C1, Constant* C2) {
- return getConstantExpr(Instruction::Add, C1, C2);
-}
-
-Constant* LLVMContext::getConstantExprFAdd(Constant* C1, Constant* C2) {
- return getConstantExpr(Instruction::FAdd, C1, C2);
-}
-
-Constant* LLVMContext::getConstantExprSub(Constant* C1, Constant* C2) {
- return getConstantExpr(Instruction::Sub, C1, C2);
+ return emitError(LocCookie, ErrorStr);
}
-Constant* LLVMContext::getConstantExprFSub(Constant* C1, Constant* C2) {
- return getConstantExpr(Instruction::FSub, C1, C2);
-}
-
-Constant* LLVMContext::getConstantExprMul(Constant* C1, Constant* C2) {
- return getConstantExpr(Instruction::Mul, C1, C2);
-}
-
-Constant* LLVMContext::getConstantExprFMul(Constant* C1, Constant* C2) {
- return getConstantExpr(Instruction::FMul, C1, C2);
-}
-
-Constant* LLVMContext::getConstantExprUDiv(Constant* C1, Constant* C2) {
- return getConstantExpr(Instruction::UDiv, C1, C2);
-}
-
-Constant* LLVMContext::getConstantExprSDiv(Constant* C1, Constant* C2) {
- return getConstantExpr(Instruction::SDiv, C1, C2);
-}
-
-Constant* LLVMContext::getConstantExprFDiv(Constant* C1, Constant* C2) {
- return getConstantExpr(Instruction::FDiv, C1, C2);
-}
-
-Constant* LLVMContext::getConstantExprURem(Constant* C1, Constant* C2) {
- return getConstantExpr(Instruction::URem, C1, C2);
-}
-
-Constant* LLVMContext::getConstantExprSRem(Constant* C1, Constant* C2) {
- return getConstantExpr(Instruction::SRem, C1, C2);
-}
-
-Constant* LLVMContext::getConstantExprFRem(Constant* C1, Constant* C2) {
- return getConstantExpr(Instruction::FRem, C1, C2);
-}
-
-Constant* LLVMContext::getConstantExprAnd(Constant* C1, Constant* C2) {
- return getConstantExpr(Instruction::And, C1, C2);
-}
-
-Constant* LLVMContext::getConstantExprOr(Constant* C1, Constant* C2) {
- return getConstantExpr(Instruction::Or, C1, C2);
-}
-
-Constant* LLVMContext::getConstantExprXor(Constant* C1, Constant* C2) {
- return getConstantExpr(Instruction::Xor, C1, C2);
-}
-
-Constant* LLVMContext::getConstantExprICmp(unsigned short pred, Constant* LHS,
- Constant* RHS) {
- return ConstantExpr::getICmp(pred, LHS, RHS);
-}
-
-Constant* LLVMContext::getConstantExprFCmp(unsigned short pred, Constant* LHS,
- Constant* RHS) {
- return ConstantExpr::getFCmp(pred, LHS, RHS);
-}
-
-Constant* LLVMContext::getConstantExprShl(Constant* C1, Constant* C2) {
- return getConstantExpr(Instruction::Shl, C1, C2);
-}
-
-Constant* LLVMContext::getConstantExprLShr(Constant* C1, Constant* C2) {
- return getConstantExpr(Instruction::LShr, C1, C2);
-}
-
-Constant* LLVMContext::getConstantExprAShr(Constant* C1, Constant* C2) {
- return getConstantExpr(Instruction::AShr, C1, C2);
-}
-
-Constant* LLVMContext::getConstantExprGetElementPtr(Constant* C,
- Constant* const* IdxList,
- unsigned NumIdx) {
- return ConstantExpr::getGetElementPtr(C, IdxList, NumIdx);
-}
-
-Constant* LLVMContext::getConstantExprGetElementPtr(Constant* C,
- Value* const* IdxList,
- unsigned NumIdx) {
- return ConstantExpr::getGetElementPtr(C, IdxList, NumIdx);
-}
-
-Constant* LLVMContext::getConstantExprExtractElement(Constant* Vec,
- Constant* Idx) {
- return ConstantExpr::getExtractElement(Vec, Idx);
-}
-
-Constant* LLVMContext::getConstantExprInsertElement(Constant* Vec,
- Constant* Elt,
- Constant* Idx) {
- return ConstantExpr::getInsertElement(Vec, Elt, Idx);
-}
-
-Constant* LLVMContext::getConstantExprShuffleVector(Constant* V1, Constant* V2,
- Constant* Mask) {
- return ConstantExpr::getShuffleVector(V1, V2, Mask);
-}
-
-Constant* LLVMContext::getConstantExprExtractValue(Constant* Agg,
- const unsigned* IdxList,
- unsigned NumIdx) {
- return ConstantExpr::getExtractValue(Agg, IdxList, NumIdx);
-}
-
-Constant* LLVMContext::getConstantExprInsertValue(Constant* Agg, Constant* Val,
- const unsigned* IdxList,
- unsigned NumIdx) {
- return ConstantExpr::getInsertValue(Agg, Val, IdxList, NumIdx);
-}
-
-Constant* LLVMContext::getConstantExprSizeOf(const Type* Ty) {
- // sizeof is implemented as: (i64) gep (Ty*)null, 1
- Constant *GEPIdx = getConstantInt(Type::Int32Ty, 1);
- Constant *GEP = getConstantExprGetElementPtr(
- getNullValue(getPointerTypeUnqual(Ty)), &GEPIdx, 1);
- return getConstantExprCast(Instruction::PtrToInt, GEP, Type::Int64Ty);
-}
-
-Constant* LLVMContext::getZeroValueForNegation(const Type* Ty) {
- if (const VectorType *PTy = dyn_cast<VectorType>(Ty))
- if (PTy->getElementType()->isFloatingPoint()) {
- std::vector<Constant*> zeros(PTy->getNumElements(),
- getConstantFPNegativeZero(PTy->getElementType()));
- return getConstantVector(PTy, zeros);
- }
-
- if (Ty->isFloatingPoint())
- return getConstantFPNegativeZero(Ty);
-
- return getNullValue(Ty);
-}
-
-
-// ConstantFP accessors.
-ConstantFP* LLVMContext::getConstantFP(const APFloat& V) {
- return ConstantFP::get(V);
-}
-
-static const fltSemantics *TypeToFloatSemantics(const Type *Ty) {
- if (Ty == Type::FloatTy)
- return &APFloat::IEEEsingle;
- if (Ty == Type::DoubleTy)
- return &APFloat::IEEEdouble;
- if (Ty == Type::X86_FP80Ty)
- return &APFloat::x87DoubleExtended;
- else if (Ty == Type::FP128Ty)
- return &APFloat::IEEEquad;
-
- assert(Ty == Type::PPC_FP128Ty && "Unknown FP format");
- return &APFloat::PPCDoubleDouble;
-}
-
-/// get() - This returns a constant fp for the specified value in the
-/// specified type. This should only be used for simple constant values like
-/// 2.0/1.0 etc, that are known-valid both as double and as the target format.
-Constant* LLVMContext::getConstantFP(const Type* Ty, double V) {
- APFloat FV(V);
- bool ignored;
- FV.convert(*TypeToFloatSemantics(Ty->getScalarType()),
- APFloat::rmNearestTiesToEven, &ignored);
- Constant *C = getConstantFP(FV);
-
- // For vectors, broadcast the value.
- if (const VectorType *VTy = dyn_cast<VectorType>(Ty))
- return
- getConstantVector(std::vector<Constant *>(VTy->getNumElements(), C));
-
- return C;
-}
-
-ConstantFP* LLVMContext::getConstantFPNegativeZero(const Type* Ty) {
- APFloat apf = cast <ConstantFP>(getNullValue(Ty))->getValueAPF();
- apf.changeSign();
- return getConstantFP(apf);
-}
-
-
-// ConstantVector accessors.
-Constant* LLVMContext::getConstantVector(const VectorType* T,
- const std::vector<Constant*>& V) {
- return ConstantVector::get(T, V);
-}
-
-Constant* LLVMContext::getConstantVector(const std::vector<Constant*>& V) {
- return ConstantVector::get(V);
-}
-
-Constant* LLVMContext::getConstantVector(Constant* const* Vals,
- unsigned NumVals) {
- return ConstantVector::get(Vals, NumVals);
-}
-
-// MDNode accessors
-MDNode* LLVMContext::getMDNode(Value* const* Vals, unsigned NumVals) {
- return MDNode::get(Vals, NumVals);
-}
+void LLVMContext::emitError(unsigned LocCookie, StringRef ErrorStr) {
+ // If there is no error handler installed, just print the error and exit.
+ if (pImpl->InlineAsmDiagHandler == 0) {
+ errs() << "error: " << ErrorStr << "\n";
+ exit(1);
+ }
-// MDString accessors
-MDString* LLVMContext::getMDString(const char *StrBegin, const char *StrEnd) {
- return MDString::get(StrBegin, StrEnd);
-}
+ // If we do have an error handler, we can report the error and keep going.
+ SMDiagnostic Diag("", "error: " + ErrorStr.str());
-MDString* LLVMContext::getMDString(const std::string &Str) {
- return MDString::get(Str);
+ pImpl->InlineAsmDiagHandler(Diag, pImpl->InlineAsmDiagContext, LocCookie);
}
-// FunctionType accessors
-FunctionType* LLVMContext::getFunctionType(const Type* Result, bool isVarArg) {
- return FunctionType::get(Result, isVarArg);
-}
+//===----------------------------------------------------------------------===//
+// Metadata Kind Uniquing
+//===----------------------------------------------------------------------===//
-FunctionType* LLVMContext::getFunctionType(const Type* Result,
- const std::vector<const Type*>& Params,
- bool isVarArg) {
- return FunctionType::get(Result, Params, isVarArg);
-}
-
-// IntegerType accessors
-const IntegerType* LLVMContext::getIntegerType(unsigned NumBits) {
- return IntegerType::get(NumBits);
-}
-
-// OpaqueType accessors
-OpaqueType* LLVMContext::getOpaqueType() {
- return OpaqueType::get();
-}
+#ifndef NDEBUG
+/// isValidName - Return true if Name is a valid custom metadata handler name.
+static bool isValidName(StringRef MDName) {
+ if (MDName.empty())
+ return false;
-// StructType accessors
-StructType* LLVMContext::getStructType(bool isPacked) {
- return StructType::get(isPacked);
-}
+ if (!std::isalpha(MDName[0]))
+ return false;
-StructType* LLVMContext::getStructType(const std::vector<const Type*>& Params,
- bool isPacked) {
- return StructType::get(Params, isPacked);
-}
-
-StructType *LLVMContext::getStructType(const Type *type, ...) {
- va_list ap;
- std::vector<const llvm::Type*> StructFields;
- va_start(ap, type);
- while (type) {
- StructFields.push_back(type);
- type = va_arg(ap, llvm::Type*);
+ for (StringRef::iterator I = MDName.begin() + 1, E = MDName.end(); I != E;
+ ++I) {
+ if (!std::isalnum(*I) && *I != '_' && *I != '-' && *I != '.')
+ return false;
}
- return StructType::get(StructFields);
-}
-
-// ArrayType accessors
-ArrayType* LLVMContext::getArrayType(const Type* ElementType,
- uint64_t NumElements) {
- return ArrayType::get(ElementType, NumElements);
-}
-
-// PointerType accessors
-PointerType* LLVMContext::getPointerType(const Type* ElementType,
- unsigned AddressSpace) {
- return PointerType::get(ElementType, AddressSpace);
+ return true;
}
+#endif
-PointerType* LLVMContext::getPointerTypeUnqual(const Type* ElementType) {
- return PointerType::getUnqual(ElementType);
-}
-
-// VectorType accessors
-VectorType* LLVMContext::getVectorType(const Type* ElementType,
- unsigned NumElements) {
- return VectorType::get(ElementType, NumElements);
-}
+/// getMDKindID - Return a unique non-zero ID for the specified metadata kind.
+unsigned LLVMContext::getMDKindID(StringRef Name) const {
+ assert(isValidName(Name) && "Invalid MDNode name");
-VectorType* LLVMContext::getVectorTypeInteger(const VectorType* VTy) {
- return VectorType::getInteger(VTy);
+ // If this is new, assign it its ID.
+ return
+ pImpl->CustomMDKindNames.GetOrCreateValue(
+ Name, pImpl->CustomMDKindNames.size()).second;
}
-VectorType* LLVMContext::getVectorTypeExtendedElement(const VectorType* VTy) {
- return VectorType::getExtendedElementVectorType(VTy);
-}
-
-VectorType* LLVMContext::getVectorTypeTruncatedElement(const VectorType* VTy) {
- return VectorType::getTruncatedElementVectorType(VTy);
-}
-
-const Type* LLVMContext::makeCmpResultType(const Type* opnd_type) {
- if (const VectorType* vt = dyn_cast<const VectorType>(opnd_type)) {
- return getVectorType(Type::Int1Ty, vt->getNumElements());
- }
- return Type::Int1Ty;
+/// getHandlerNames - Populate client supplied smallvector using custome
+/// metadata name and ID.
+void LLVMContext::getMDKindNames(SmallVectorImpl<StringRef> &Names) const {
+ Names.resize(pImpl->CustomMDKindNames.size());
+ for (StringMap<unsigned>::const_iterator I = pImpl->CustomMDKindNames.begin(),
+ E = pImpl->CustomMDKindNames.end(); I != E; ++I)
+ Names[I->second] = I->first();
}