diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/VMCore/ConstPoolVals.cpp | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/lib/VMCore/ConstPoolVals.cpp b/lib/VMCore/ConstPoolVals.cpp index 6c054e1ee0..eeb7a43069 100644 --- a/lib/VMCore/ConstPoolVals.cpp +++ b/lib/VMCore/ConstPoolVals.cpp @@ -46,7 +46,7 @@ ConstPoolVal *ConstPoolVal::getNullConstant(const Type *Ty) { case Type::DoubleTyID: return ConstPoolFP::get(Ty, 0); case Type::PointerTyID: - return ConstPoolPointer::getNullPointer(cast<PointerType>(Ty)); + return ConstPoolPointer::getNull(cast<PointerType>(Ty)); default: return 0; } @@ -331,3 +331,15 @@ ConstPoolStruct *ConstPoolStruct::get(const StructType *Ty, StructConstants.add(Ty, V, Result = new ConstPoolStruct(Ty, V)); return Result; } + +//---- ConstPoolPointer::get() implementation... +// +static ValueMap<char, ConstPoolPointer> NullPtrConstants; + +ConstPoolPointer *ConstPoolPointer::getNull(const PointerType *Ty) { + ConstPoolPointer *Result = NullPtrConstants.get(Ty, 0); + if (!Result) // If no preexisting value, create one now... + NullPtrConstants.add(Ty, 0, Result = new ConstPoolPointer(Ty)); + return Result; +} + |