{name: "early deadcode", fn: deadcode}, // remove generated dead code to avoid doing pointless work during opt
	{name: "short circuit", fn: shortcircuit},
	{name: "decompose user", fn: decomposeUser, required: true},
	{name: "pre-opt deadcode", fn: deadcode},
	{name: "opt", fn: opt, required: true},               // NB: some generic rules know the name of the opt pass. TODO: split required rules and optimizing rules

import (
	"cmd/compile/internal/abi"
	"cmd/compile/internal/base"
	"cmd/compile/internal/ir"
	"cmd/compile/internal/types"
	"cmd/internal/src"
	"fmt"
)

func postExpandCallsDecompose(f *Func) {
	decomposeUser(f)    // redo user decompose to cleanup after expand calls
	decomposeBuiltIn(f) // handles both regular decomposition and cleanup.
}

func expandCalls(f *Func) {