Method select

crates/rustc_codegen_spirv/src/builder/builder_methods.rs:2014–2032

(
        &mut self,
        cond: Self::Value,
        then_val: Self::Value,
        else_val: Self::Value,
    )

    }

    fn select(
        &mut self,
        cond: Self::Value,
        then_val: Self::Value,
        else_val: Self::Value,
    ) -> Self::Value {
        assert_ty_eq!(self, then_val.ty, else_val.ty);
        let result_type = then_val.ty;
        self.emit()
            .select(
                result_type,
                None,
                cond.def(self),
                then_val.def(self),
                else_val.def(self),
            )
            .unwrap()
            .with_type(result_type)
    }

    fn va_arg(&mut self, _list: Self::Value, _ty: Self::Type) -> Self::Value {
        todo!()