A案実装: debug_verify_phi_inputs呼び出し前にCFG predecessorを更新
修正箇所(7箇所):
- src/mir/builder/phi.rs:50, 73, 132, 143
- src/mir/builder/ops.rs:273, 328, 351
根本原因:
- Branch/Jump命令でsuccessorは即座に更新
- predecessorはupdate_cfg()で遅延再構築
- PHI検証が先に実行されてpredecessor未更新でpanic
解決策:
- 各debug_verify_phi_inputs呼び出し前に
if let Some(func) = self.current_function.as_mut() {
func.update_cfg();
}
を挿入してCFGを同期
影響: if/else文、論理演算子(&&/||)のPHI生成が正常動作
21 lines
652 B
Plaintext
21 lines
652 B
Plaintext
// vm_hot_path.hako — VMHotPathBox (v0 skeleton)
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// Gate: HAKO_VM_FAST_PATH=1 で将来のホットパス最適化を有効化(現状は no-op)。
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static box VMHotPathBox {
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enabled() {
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// Accept HAKO_VM_FAST_PATH=1|true|on (case-insensitive)
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local v = env.get("HAKO_VM_FAST_PATH")
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if !v { return 0 }
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local l = v.toLowerCase()
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if l == "1" || l == "true" || l == "on" { return 1 }
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return 0
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}
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// Entry point (reserved): future hook to prebuild maps or inject superinstructions (dev only)
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prep() {
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if !VMHotPathBox.enabled() { return 0 }
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// v0: no-op; keep structure for future expansions
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return 0
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}
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}
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