Changes in directory llvm/lib/VMCore:
Constants.cpp updated: 1.155 -> 1.156 --- Log message: Add a new method for bugpoint to use --- Diffs of the changes: (+51 -0) Constants.cpp | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 51 insertions(+) Index: llvm/lib/VMCore/Constants.cpp diff -u llvm/lib/VMCore/Constants.cpp:1.155 llvm/lib/VMCore/Constants.cpp:1.156 --- llvm/lib/VMCore/Constants.cpp:1.155 Wed Jun 28 16:38:54 2006 +++ llvm/lib/VMCore/Constants.cpp Fri Jul 14 14:37:40 2006 @@ -497,6 +497,57 @@ C1->getType()->getSignedVersion()), C2), C1->getType()); } +/// getWithOperandReplaced - Return a constant expression identical to this +/// one, but with the specified operand set to the specified value. +Constant *ConstantExpr::getWithOperandReplaced(unsigned OpNo, + Constant *Op) const { + assert(OpNo < getNumOperands() && "Operand num is out of range!"); + assert(Op->getType() == getOperand(OpNo)->getType() && + "Replacing operand with value of different type!"); + if (getOperand(OpNo) == Op) return const_cast<ConstantExpr*>(this); + + switch (getOpcode()) { + case Instruction::Cast: + return ConstantExpr::getCast(Op, getType()); + case Instruction::GetElementPtr: { + std::vector<Constant*> Ops; + for (unsigned i = 1, e = getNumOperands(); i != e; ++i) + Ops.push_back(getOperand(i)); + if (OpNo == 0) + return ConstantExpr::getGetElementPtr(Op, Ops); + Ops[OpNo-1] = Op; + return ConstantExpr::getGetElementPtr(getOperand(0), Ops); + } + case Instruction::Select: + if (OpNo == 0) + return ConstantExpr::getSelect(Op, getOperand(1), getOperand(2)); + if (OpNo == 1) + return ConstantExpr::getSelect(getOperand(0), Op, getOperand(2)); + return ConstantExpr::getSelect(getOperand(0), getOperand(1), Op); + case Instruction::InsertElement: + if (OpNo == 0) + return ConstantExpr::getInsertElement(Op, getOperand(1), getOperand(2)); + if (OpNo == 1) + return ConstantExpr::getInsertElement(getOperand(0), Op, getOperand(2)); + return ConstantExpr::getInsertElement(getOperand(0), getOperand(1), Op); + case Instruction::ExtractElement: + if (OpNo == 0) + return ConstantExpr::getExtractElement(Op, getOperand(1)); + return ConstantExpr::getExtractElement(getOperand(0), Op); + case Instruction::ShuffleVector: + if (OpNo == 0) + return ConstantExpr::getShuffleVector(Op, getOperand(1), getOperand(2)); + if (OpNo == 1) + return ConstantExpr::getShuffleVector(getOperand(0), Op, getOperand(2)); + return ConstantExpr::getShuffleVector(getOperand(0), getOperand(1), Op); + default: + assert(getNumOperands() == 2 && "Must be binary operator?"); + if (OpNo == 0) + return ConstantExpr::get(getOpcode(), Op, getOperand(1)); + return ConstantExpr::get(getOpcode(), getOperand(0), Op); + } +} + //===----------------------------------------------------------------------===// // isValueValidForType implementations _______________________________________________ llvm-commits mailing list llvm-commits@cs.uiuc.edu http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits