Commit Graph

1 Commits

Author SHA1 Message Date
120fbdb523 fix(mir): Receiver used_values for DCE + trace + cleanup
- Fix: Call with Callee::Method now includes receiver in used_values()
  - Prevents DCE from eliminating Copy instructions that define receivers
  - Pattern 3 (loop_if_phi.hako) now works correctly (sum=9)

- Add: NYASH_DCE_TRACE=1 for debugging eliminated instructions
  - Shows which pure instructions DCE removes and from which block

- Cleanup: Consolidate Call used_values to single source of truth
  - Early return in methods.rs handles all Call variants
  - Removed duplicate match arm (now unreachable!())
  - ChatGPT's suggestion for cleaner architecture

- Docs: Phase 166 analysis of inst_meta layer architecture
  - Identified CSE pass callee bug (to be fixed next)
  - Improvement proposals for CallLikeInst

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Co-Authored-By: Claude <noreply@anthropic.com>
2025-12-05 23:26:55 +09:00