diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/VMCore/ConstantFold.cpp | 22 |
1 files changed, 0 insertions, 22 deletions
diff --git a/lib/VMCore/ConstantFold.cpp b/lib/VMCore/ConstantFold.cpp index 24b78ae969..40061ee3d7 100644 --- a/lib/VMCore/ConstantFold.cpp +++ b/lib/VMCore/ConstantFold.cpp @@ -2021,28 +2021,6 @@ Constant *llvm::ConstantFoldGetElementPtr(LLVMContext &Context, ConstantExpr::getGetElementPtr( (Constant*)CE->getOperand(0), Idxs, NumIdx); } - - // Fold: getelementptr (i8* inttoptr (i64 1 to i8*), i32 -1) - // Into: inttoptr (i64 0 to i8*) - // This happens with pointers to member functions in C++. - if (CE->getOpcode() == Instruction::IntToPtr && NumIdx == 1 && - isa<ConstantInt>(CE->getOperand(0)) && isa<ConstantInt>(Idxs[0]) && - cast<PointerType>(CE->getType())->getElementType() == - Type::getInt8Ty(Context)) { - Constant *Base = CE->getOperand(0); - Constant *Offset = Idxs[0]; - - // Convert the smaller integer to the larger type. - if (Offset->getType()->getPrimitiveSizeInBits() < - Base->getType()->getPrimitiveSizeInBits()) - Offset = ConstantExpr::getSExt(Offset, Base->getType()); - else if (Base->getType()->getPrimitiveSizeInBits() < - Offset->getType()->getPrimitiveSizeInBits()) - Base = ConstantExpr::getZExt(Base, Offset->getType()); - - Base = ConstantExpr::getAdd(Base, Offset); - return ConstantExpr::getIntToPtr(Base, CE->getType()); - } } // Check to see if any array indices are not within the corresponding |