gbuoy/lib/ir/ssa.d.ts

import type { BinaryOp, UnaryOp } from "../ast"
import type { Loc } from "./loc"

export type Operand = Loc | number

type ASSA<Data> = { dest: Loc, source: Operand } & Data

// dest = source
export type SSACopy = ASSA<{}>

// dest = op(source)
export type SSAUnary = ASSA<{ op: UnaryOp | BinaryOp }>

// dest = op(source, source1)
export type SSABinary = ASSA<{ op: BinaryOp, source1: Operand }>

export type SSA = SSACopy | SSAUnary

export type SSAWithBinary = SSA | SSABinary