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[compiler] Remove phi type, infer phi.id.type #30795

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Aug 23, 2024
Merged

[compiler] Remove phi type, infer phi.id.type #30795

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1 change: 0 additions & 1 deletion compiler/packages/babel-plugin-react-compiler/src/HIR/HIR.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -759,7 +759,6 @@ export type Phi = {
kind: 'Phi';
id: Identifier;
operands: Map<BlockId, Identifier>;
type: Type;
};

/**
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2 changes: 1 addition & 1 deletion compiler/packages/babel-plugin-react-compiler/src/HIR/PrintHIR.ts
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Expand Up @@ -165,7 +165,7 @@ export function printPhi(phi: Phi): string {
const items = [];
items.push(printIdentifier(phi.id));
items.push(printMutableRange(phi.id));
items.push(printType(phi.type));
items.push(printType(phi.id.type));
items.push(': phi(');
const phis = [];
for (const [blockId, id] of phi.operands) {
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1 change: 0 additions & 1 deletion compiler/packages/babel-plugin-react-compiler/src/SSA/EnterSSA.ts
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Expand Up @@ -192,7 +192,6 @@ class SSABuilder {
kind: 'Phi',
id: newId,
operands: predDefs,
type: makeType(),
};

block.phis.add(phi);
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4 changes: 2 additions & 2 deletions compiler/packages/babel-plugin-react-compiler/src/TypeInference/InferTypes.ts
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Expand Up @@ -68,7 +68,7 @@ export function inferTypes(func: HIRFunction): void {
function apply(func: HIRFunction, unifier: Unifier): void {
for (const [_, block] of func.body.blocks) {
for (const phi of block.phis) {
phi.type = unifier.get(phi.type);
phi.id.type = unifier.get(phi.id.type);
}
for (const instr of block.instructions) {
for (const operand of eachInstructionLValue(instr)) {
Expand Down Expand Up @@ -126,7 +126,7 @@ function* generate(
const returnTypes: Array<Type> = [];
for (const [_, block] of func.body.blocks) {
for (const phi of block.phis) {
yield equation(phi.type, {
yield equation(phi.id.type, {
kind: 'Phi',
operands: [...phi.operands.values()].map(id => id.type),
});
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1 change: 0 additions & 1 deletion compiler/packages/babel-plugin-react-compiler/src/TypeInference/PropagatePhiTypes.ts
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Expand Up @@ -76,7 +76,6 @@ export function propagatePhiTypes(fn: HIRFunction): void {
}
if (type !== null) {
phi.id.type = type;
phi.type = type;
propagated.add(phi.id.id);
}
}
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