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Do not allow a user to set the operand for a constant. 

llvm-svn: 58335
This commit is contained in:
Tanya Lattner 2008-10-28 17:22:40 +00:00
parent 7b747ef017
commit e660fa88ee
1 changed files with 3 additions and 0 deletions
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3
llvm/include/llvm/User.h
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@ -95,6 +95,9 @@ public:
} }
void setOperand(unsigned i, Value *Val) { void setOperand(unsigned i, Value *Val) {
assert(i < NumOperands && "setOperand() out of range!"); assert(i < NumOperands && "setOperand() out of range!");
assert((!isa<Constant>((const Value*)this) ||
isa<GlobalValue>((const Value*)this)) &&
"Cannot mutate a constant with setOperand!");
OperandList[i] = Val; OperandList[i] = Val;
} }
unsigned getNumOperands() const { return NumOperands; } unsigned getNumOperands() const { return NumOperands; }