nyash-codex
1510dcb7d8
fix(llvm): Phase 131-6 調査 - TAG-RUN 3バグ発見(1修正/1部分/1未修正)
Phase 131-6: Infinite Loop Bug 調査完了
発見したバグ(3件):
1. Bug #1: Copy-to-PHI 命令(SSA 違反)✅ 修正完了
- instruction_rewriter.rs: PHI destination への Copy をスキップ
2. Bug #2: Type Inference 混同(String vs Integer)⚠️ 部分修正
- binop.py: force_string ロジック削除
3. Bug #3: SSA Dominance Violation ❌ 未修正
- MIR builder が定義前に値を使用(根本問題)
変更ファイル:
- src/mir/builder/control_flow/joinir/merge/instruction_rewriter.rs:
- Lines 428-443: header PHI への Copy スキップ追加
- src/llvm_py/instructions/binop.py:
- Lines 128-159: force_string 削除、Phase 131-6 コメント追加
- docs/development/current/main/phase131-3-llvm-lowering-inventory.md:
- 3バグの詳細追記
テスト結果:
- Case A/B2: ✅ 退行なし
- Case B: ❌ infinite loop 継続(Bug #3 が原因)
- Simple Add: ❌ 0 を出力(期待: 1)
Next: Phase 131-6 続き - MIR SSA dominance 根治
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2025-12-14 06:52:50 +09:00
..
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