Function rename

cranelift/interpreter/src/frame.rs:217–231

()

    #[test]
    #[should_panic(expected = "empty slot: v10")]
    fn rename() {
        let func = function("function %test(i32) -> i32 { block0(v10:i32): return v10 }");
        let mut frame = Frame::new(&func);
        let old_ssa_value_refs = [ValueRef::from_u32(9), ValueRef::from_u32(10)];
        let values = vec![DataValue::I8(1), DataValue::F64(Ieee64::from(0.0))];
        frame.set_all(&old_ssa_value_refs, values.clone());

        // Rename the old SSA values to the new values.
        let new_ssa_value_refs = [ValueRef::from_u32(4), ValueRef::from_u32(2)];
        frame.rename(&old_ssa_value_refs, &new_ssa_value_refs);

        // Now we should be able to retrieve new values and the old ones should fail.
        assert_eq!(frame.get_all(&new_ssa_value_refs), values);
        frame.get(ValueRef::from_u32(10));
    }

    #[test]
    #[should_panic(expected = "empty slot: v2")]