Method constraints

cranelift/codegen/src/ir/instructions.rs:311–313

Get the constraint descriptor for this opcode. Panic if this is called on `NotAnOpcode`.

(self)

    /// Get the constraint descriptor for this opcode.
    /// Panic if this is called on `NotAnOpcode`.
    pub fn constraints(self) -> OpcodeConstraints {
        OPCODE_CONSTRAINTS[self as usize - 1]
    }

    /// Is this instruction a GC safepoint?
    ///