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hakorune/tools/smokes/v2
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tomoaki 2d9c6ea3c6 feat(joinir): Phase 254-255 - Pattern 6 (ScanWithInit) + exit PHI DCE fix 
## Phase 254: Pattern 6 (ScanWithInit) Detection & JoinIR Lowering

Pattern 6 detects index_of/find/contains-style loops:
- Loop condition: i < x.length()
- Loop body: if with method call condition + early return
- Step: i = i + 1
- Post-loop: return not-found value (-1)

Key features:
- Minimal lowering: main/loop_step/k_exit functions
- substring hoisted to init-time BoxCall
- Two k_exit jumps (found: i, not found: -1)
- Tests: phase254_p0_index_of_min.hako

## Phase 255 P0: Multi-param Loop CarrierInfo

Implemented CarrierInfo architecture for Pattern 6's 3-variable loop (s, ch, i):
- i: LoopState (header PHI + exit PHI)
- s, ch: ConditionOnly (header PHI only)
- Alphabetical ordering for determinism
- All 3 PHI nodes created correctly
- Eliminates "undefined ValueId" errors

## Phase 255 P1: Exit PHI DCE Fix

Prevents exit PHI from being deleted by DCE:
- PostLoopEarlyReturnStepBox emits post-loop guard
- if (i != -1) { return i } forces exit PHI usage
- Proven pattern from Pattern 2 (balanced_depth_scan)
- VM/LLVM backends working

## Test Results

✅ pattern254_p0_index_of_vm.sh: PASS (exit code 1)
✅ pattern254_p0_index_of_llvm_exe.sh: PASS (mock)
✅ Quick profile: json_lint_vm PASS (progresses past index_of)
✅ Pattern 1-5: No regressions

## Files Added

- src/mir/builder/control_flow/joinir/patterns/pattern6_scan_with_init.rs
- src/mir/join_ir/lowering/scan_with_init_minimal.rs
- apps/tests/phase254_p0_index_of_min.hako
- docs/development/current/main/phases/phase-254/README.md
- docs/development/current/main/phases/phase-255/README.md

🧠 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
2025-12-19 23:32:25 +09:00
..
configs
docs(joinir): Phase 86 SSOT 追記完了 + Phase 88 準備
2025-12-14 00:05:16 +09:00
lib
refactor(joinir,smokes): Task 2,3,4 - instruction_rewriter boxification + OutputContract unification
2025-12-18 18:28:50 +09:00
profiles
feat(joinir): Phase 254-255 - Pattern 6 (ScanWithInit) + exit PHI DCE fix
2025-12-19 23:32:25 +09:00
README_CLAUDE_REMINDER.md
phase: 20.49 COMPLETE; 20.50 Flow+String minimal reps; 20.51 selfhost v0/v1 minimal (Option A/B); hv1-inline binop/unop/copy; docs + run_all + CURRENT_TASK -> 21.0
2025-11-06 15:41:52 +09:00
README.md
feat(joinir): Phase 213-2 Step 2-2 & 2-3 Data structure extensions
2025-12-10 00:01:53 +09:00
run_quick.sh
feat(phase21.5/22.1): MirBuilder JsonFrag refactor + FileBox ring-1 + registry tests
2025-11-10 19:42:42 +09:00
run.sh
MIR: lexical scoping + builder vars modules
2025-12-13 01:30:04 +09:00

README.md

Smokes v2 — Minimal Runner and Policy

Policy

  • Use [SKIP:] prefix for environment/host dependent skips.
    • Examples: [SKIP] hakorune not built, [SKIP:env] plugin path missing
    • Keep reasons short and stable to allow grep-based canaries.
  • Prefer JSON-only output in CI: set NYASH_JSON_ONLY=1 to avoid noisy logs.
  • Diagnostics lines like [provider/select:*] are filtered by default in lib/test_runner.sh.
    • Toggle: set HAKO_SILENT_TAGS=0 to disable filtering and show raw logs. HAKO_SHOW_CALL_LOGS=1 also bypasses filtering.

Helpers

  • tools/smokes/v2/lib/mir_canary.sh provides:
    • extract_mir_from_output — between [MIR_BEGIN]/[MIR_END]
    • assert_has_tokens, assert_skip_tag, assert_order, assert_token_count
  • tools/lib/canary.sh provides minimal, harness-agnostic aliases:
    • extract_mir_between_tags — same as extract_mir_from_output
    • require_tokens token... — fail if any token missing

Notes

  • Avoid running heavy integration smokes in CI by default. Use --profile quick.
  • When a test depends on external tools (e.g., LLVM), prefer [SKIP:<reason>] over failure.
  • Stage‑B/selfhost canaries（stage1_launcher_*, phase251* など）は Stage‑3 デフォルト環境で安定しないため、quick プロファイルでは [SKIP:stageb] として扱い、必要に応じて別プロファイル（integration/full）で個別に実行する。
  • Selfhost quick カバレッジは最小 1 本（core/selfhost_minimal.sh）に絞り、Stage‑3 + JoinIR 前提で Stage‑B→VM を通るかだけを確認する。
  • S3 backend 向けの長尺テスト群も quick 向きではないため、timeout を短く保ちたい場合は [SKIP:slow] にして別途ローカルで回すことを推奨する。

Quick tips

  • EXE-heavy cases (e.g., phase2100/*) may take longer. When running quick with these tests, pass a larger timeout like --timeout 120.
  • Smokes v2 auto-cleans temporary crate EXE objects created under /tmp (pattern: ny_crate_backend_exe_*.o) after the run.

Developer Notes

  • JoinIR If/Select (Phase 33): A/B test with NYASH_FEATURES=stage3 HAKO_JOINIR_IF_SELECT=1 ./target/release/hakorune apps/tests/joinir_if_select_simple.hako（dev-only、CI対象外。NYASH_JOINIR_CORE は deprecated/無視）