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Read virtual calls by their kind when the unwind ABI walks a body (#2439)

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This commit is contained in:
Chris Tate
2026-10-27 17:50:12 -05:00
committed by GitHub
parent 6f8c42bab7 a0198c80c6
commit 89fbce5ce0
1 changed files with 6 additions and 5 deletions
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packages/compiler/src/backend/llvm/unwind-abi.ts
+6 -5
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@@ -107,12 +107,13 @@ export function unwindAbiFunctions(
const anyClass = new Set<string>();
const virtualCalls = nodes?.scan(VIRTUAL_CALL_KINDS);
for (const fn of mod.functions)
// Without the index (or for a function it didn't record) every node
// arrives, statements included: the kind test narrows, not a cast.
eachNodeOfKinds(fn, virtualCalls, (node) => {
const e = node as IrExpr;
if (e.kind !== "virtualCall") return true;
if (e.targets !== undefined) for (const target of e.targets) blocked.add(target);
else if (classes.has(e.className)) blocked.add(`%${e.className}.${e.method}`);
else anyClass.add(e.method);
if (node.kind !== "virtualCall") return true;
if (node.targets !== undefined) for (const target of node.targets) blocked.add(target);
else if (classes.has(node.className)) blocked.add(`%${node.className}.${node.method}`);
else anyClass.add(node.method);
return true;
});
// A hierarchy's vtables hold the methods declared by more than one of its