diff options
Diffstat (limited to 'include/llvm/Value.h')
| -rw-r--r-- | include/llvm/Value.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/include/llvm/Value.h b/include/llvm/Value.h index ddfcbb6..3be3c5e 100644 --- a/include/llvm/Value.h +++ b/include/llvm/Value.h @@ -181,10 +181,12 @@ public: /// getValueType - Return an ID for the concrete type of this object. This is /// used to implement the classof checks. This should not be used for any /// other purpose, as the values may change as LLVM evolves. Also, note that - /// starting with the InstructionVal value, the value stored is actually the - /// Instruction opcode, so there are more than just these values possible here - /// (and Instruction must be last). - /// + /// for instructions, the Instruction's opcode is added to InstructionVal. So + /// this means three things: + /// # there is no value with code InstructionVal (no opcode==0). + /// # there are more possible values for the value type than in ValueTy enum. + /// # the InstructionVal enumerator must be the highest valued enumerator in + /// the ValueTy enum. unsigned getValueType() const { return SubclassID; } |