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39 lines
825 B
39 lines
825 B
import type { BinaryOp, UnaryOp } from "../ast"
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import type { Loc } from "./loc"
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export type Operand = Loc | number
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export type AbsInsnCopy = {
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type: "copy",
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dest: Loc,
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source: Operand,
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}
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export type AbsInsn2Unary = {
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type: "unary",
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dest: Loc,
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// NOTE: We convert binary -> unary when going SSA3 -> SSA2
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op: UnaryOp | BinaryOp,
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source: Operand,
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}
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// Abstract instruction in two-address form
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export type AbsInsn2 = AbsInsnCopy | AbsInsn2Unary
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export type AbsInsn3Unary = {
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type: "unary",
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dest: Loc,
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op: UnaryOp,
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source: Operand,
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}
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export type AbsInsnBinary = {
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type: "binary",
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dest: Loc,
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source: Operand,
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op: BinaryOp,
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source1: Operand
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}
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// Abstract instruction in three-address form
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export type AbsInsn3 = AbsInsnCopy | AbsInsn3Unary | AbsInsnBinary
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