248     pub fn values_and_defs(&self) -> impl Iterator<Item = (Value, ValueDef)> + '_ {  in values_and_defs()
384     pub fn value_def(&self, v: Value) -> ValueDef {  in value_def()  argument
386             ValueData::Inst { inst, num, .. } => ValueDef::Result(inst, num as usize),  in value_def()
387             ValueData::Param { block, num, .. } => ValueDef::Param(block, num as usize),  in value_def()
393             ValueData::Union { x, y, .. } => ValueDef::Union(x, y),  in value_def()
631 pub enum ValueDef {  enum
640 impl ValueDef {  impl
838             ir::ValueDef::Result(inst, _) => self.display_inst(inst),  in display_value_inst()
839             ir::ValueDef::Param(_, _) => panic!("value is not defined by an instruction"),  in display_value_inst()
840             ir::ValueDef::Union(_, _) => panic!("value is a union of two other values"),  in display_value_inst()
1619         assert_eq!(dfg.value_def(val), ValueDef::Result(inst, 0));  in make_inst()
1628         assert_eq!(dfg.value_def(v2), ValueDef::Result(inst, 0));  in make_inst()
1669         assert_eq!(dfg.value_def(arg1), ValueDef::Param(block, 0));  in block()
1670         assert_eq!(dfg.value_def(arg2), ValueDef::Param(block, 1));  in block()
1758             ValueDef::Result(i, 0) => i,  in aliases()