[LLVMdev] ValueTy not set appropriately in Value.h?
Chris Lattner
sabre at nondot.org
Tue Aug 16 15:05:18 PDT 2005
On Wed, 10 Aug 2005, Michael McCracken wrote:
> Hi, for some temporary debugging I wanted to know what sort of Value I
> was seeing, and I ran across this comment in Value.h - it's probably a
> minor point, but unless I'm missing something I think either the last
> line of the comment is wrong or the code is.
Fixed. Thanks!
-Chris
> It appears in rev 1.58, as part of fixing bug 122.
>
> 00134 /// getValueType - Return an ID for the concrete type of this
> object. This is
> 00135 /// used to implement the classof checks. This should not be
> used for any
> 00136 /// other purpose, as the values may change as LLVM evolves.
> Also, note that
> 00137 /// starting with the InstructionVal value, the value stored
> is actually the
> 00138 /// Instruction opcode, so there are more than just these
> values possible here
> 00139 /// (and Instruction must be last).
> 00140 ///
> 00141 enum ValueTy {
> 00142 ArgumentVal, // This is an instance of Argument
> 00143 BasicBlockVal, // This is an instance of BasicBlock
> 00144 FunctionVal, // This is an instance of Function
> 00145 GlobalVariableVal, // This is an instance of GlobalVariable
> 00146 UndefValueVal, // This is an instance of UndefValue
> 00147 ConstantExprVal, // This is an instance of ConstantExpr
> 00148 ConstantAggregateZeroVal, // This is an instance of
> ConstantAggregateNull
> 00149 SimpleConstantVal, // This is some other type of Constant
> 00150 InstructionVal, // This is an instance of Instruction
> 00151 ValueListVal // This is for bcreader, a special ValTy
> 00152 };
> 00153 unsigned getValueType() const {
> 00154 return SubclassID;
> 00155 }
>
> -mike
>
-Chris
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