Files
hakorune/tools/selfhost/test_pattern2_search.hako
nyash-codex 701f1fd650 feat(joinir): Phase 164 Pattern3 (If-Else PHI) validation complete
- Created 4 representative test cases for Pattern3 patterns:
  * test_pattern3_if_phi_no_break.hako - Core Pattern3 (if-else PHI, no break/continue)
  * test_pattern3_skip_whitespace.hako - Pattern3+break style (routed to Pattern2)
  * test_pattern3_trim_leading.hako - Pattern3+break style (routed to Pattern2)
  * test_pattern3_trim_trailing.hako - Pattern3+break style (routed to Pattern2)

- Validated Pattern3_WithIfPhi detection:
  * Pattern routing: Pattern3_WithIfPhi MATCHED confirmed
  * JoinIR lowering: 3 functions, 20 blocks → 8 blocks (successful)
  * [joinir/freeze] elimination: Complete (no errors on any test)

- Clarified pattern classification:
  * Pattern3_WithIfPhi handles if-else PHI without break/continue
  * Loops with "if-else PHI + break" are routed to Pattern2_WithBreak
  * Break takes priority over if-else PHI in pattern detection

- Cumulative achievement (Phase 162-164):
  * Pattern1: 6 loops working 
  * Pattern2: 5 loops working 
  * Pattern3 (no break): 1 loop working 
  * Pattern3+break (as Pattern2): 3 loops working 
  * Total: 15 loops covered, zero [joinir/freeze] errors

- Updated CURRENT_TASK.md with Phase 164 section and findings

Next: Phase 165 Pattern4 (continue) validation

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

Co-Authored-By: Claude <noreply@anthropic.com>
2025-12-06 16:22:38 +09:00

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// Phase 163: Test linear search with break (Pattern2)
// Simulates: loop(j < len) { if found { break } j++ }
static box Main {
main(args) {
// Simulate searching for a value in an array
local target = "needle"
local search_list = new ArrayBox()
search_list.push("apple")
search_list.push("banana")
search_list.push("needle")
search_list.push("cherry")
local j = 0
local found = 0
local search_len = search_list.length()
loop(j < search_len) {
local item = search_list.get(j)
if item == target {
found = 1
break
}
j = j + 1
}
if found == 1 {
print("Found at index: " + ("" + j))
} else {
print("Not found")
}
return 0
}
}