diff options
Diffstat (limited to 'lib/VMCore/Constants.cpp')
| -rw-r--r-- | lib/VMCore/Constants.cpp | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/lib/VMCore/Constants.cpp b/lib/VMCore/Constants.cpp index 10f8879..1553bd5 100644 --- a/lib/VMCore/Constants.cpp +++ b/lib/VMCore/Constants.cpp @@ -59,6 +59,7 @@ Constant *Constant::getNullValue(const Type *Ty) { case Type::PointerTyID: return ConstantPointerNull::get(cast<PointerType>(Ty)); case Type::StructTyID: + case Type::UnionTyID: case Type::ArrayTyID: case Type::VectorTyID: return ConstantAggregateZero::get(Ty); @@ -160,7 +161,7 @@ bool Constant::canTrap() const { /// isConstantUsed - Return true if the constant has users other than constant /// exprs and other dangling things. bool Constant::isConstantUsed() const { - for (use_const_iterator UI = use_begin(), E = use_end(); UI != E; ++UI) { + for (const_use_iterator UI = use_begin(), E = use_end(); UI != E; ++UI) { const Constant *UC = dyn_cast<Constant>(*UI); if (UC == 0 || isa<GlobalValue>(UC)) return true; @@ -944,7 +945,8 @@ bool ConstantFP::isValueValidForType(const Type *Ty, const APFloat& Val) { // Factory Function Implementation ConstantAggregateZero* ConstantAggregateZero::get(const Type* Ty) { - assert((Ty->isStructTy() || Ty->isArrayTy() || Ty->isVectorTy()) && + assert((Ty->isStructTy() || Ty->isUnionTy() + || Ty->isArrayTy() || Ty->isVectorTy()) && "Cannot create an aggregate zero of non-aggregate type!"); LLVMContextImpl *pImpl = Ty->getContext().pImpl; @@ -1945,6 +1947,20 @@ const char *ConstantExpr::getOpcodeName() const { return Instruction::getOpcodeName(getOpcode()); } + + +GetElementPtrConstantExpr:: +GetElementPtrConstantExpr(Constant *C, const std::vector<Constant*> &IdxList, + const Type *DestTy) + : ConstantExpr(DestTy, Instruction::GetElementPtr, + OperandTraits<GetElementPtrConstantExpr>::op_end(this) + - (IdxList.size()+1), IdxList.size()+1) { + OperandList[0] = C; + for (unsigned i = 0, E = IdxList.size(); i != E; ++i) + OperandList[i+1] = IdxList[i]; +} + + //===----------------------------------------------------------------------===// // replaceUsesOfWithOnConstant implementations |
