go/src/cmd/compile/internal/walk/temp.go

// initStackTemp appends statements to init to initialize the given
// temporary variable to val, and then returns the expression &tmp.
func initStackTemp(init *ir.Nodes, tmp *ir.Name, val ir.Node) *ir.AddrExpr { … }

// stackTempAddr returns the expression &tmp, where tmp is a newly
// allocated temporary variable of the given type. Statements to
// zero-initialize tmp are appended to init.
func stackTempAddr(init *ir.Nodes, typ *types.Type) *ir.AddrExpr { … }

// stackBufAddr returns the expression &tmp, where tmp is a newly
// allocated temporary variable of type [len]elem. This variable is
// initialized, and elem must not contain pointers.
func stackBufAddr(len int64, elem *types.Type) *ir.AddrExpr { … }