package optimizer

// Optimize applies all enabled peephole passes to the generated ASM lines.
// Each pass runs sequentially on a parsed representation of the lines.
// @@OPT markers are stripped from output.
func Optimize(lines []string, cfg *Config) []string {
	if cfg == nil || !cfg.Any() {
		return lines
	}

	parsed := parseLines(lines)
	original := parsed

	if cfg.EnableStoreLoad {
		parsed = passStoreReload(parsed, cfg)
	}
	if cfg.EnableLoad {
		parsed = passLoadElimination(parsed, cfg)
	}
	if cfg.EnableImm {
		parsed = passImmElimination(parsed)
	}
	if cfg.EnableJmp {
		parsed = passJmpNext(parsed)
	}
	if cfg.EnableSelf {
		parsed = passSelfAssignment(parsed)
	}

	parsed = stripOptMarkers(parsed)
	if cfg.Debug {
		original = stripOptMarkers(original)
		parsed = debugDiff(original, parsed)
	}
	return linesToString(parsed)
}