Xcode previews and llvm Vol.2

Transcript

1. AKKEY / AKIO ITAYA LLVM ͷυΩϡϝϯτಡΉӋ໨ʹͳͬͨ࿩ MatchingAgent, Inc. SwiftUI ಋೖͰ

   ଓฤ

2. ໊લɿ൘୩ ߊྑɹ/ɹ͖͋ͬʔ झຯɿυϥΠϒ ׆ಈɿ@AkkeyLab Cyberagent, Inc. MatchingAgent, Inc. େֶೖֶޙϓϩάϥϛϯάʹҰ໨ࠍΕɺ18೥৽ଔ iOS

   ΤϯδχΞ ࣗݾ঺հ

3. ଓฤͰ͢

4. ৼΓฦΓ Code Instrumentationʢinstrʣ ͕༗ޮͰɺ Static Framework Λ Link ͢Δͱ͖ɺ
 Linker

   ʹରͯ͠ instr Λ༗ޮʹ͢ΔΑ͏ʹࢦఆ͠ͳ͚Ε͹ͳΒͳ͍ ͱ͍͏ݱ৅͕ SwiftUI ͷ XcodePreviews ಈ࡞࣌ʹൃੜ͢Δ

5. ·ͣɺగਖ਼Օॴ

6. గਖ਼ ਌੾৺͸૿ͨ͠΋ͷͷɺ FirebaseCore ͕ݟ౰ͨΒͳ͍ͱݴΘΕΔ ΧόϨοδϥΠϯλΠϜϥΠϒϥϦ͕ݺͼग़ͤͳ͍ͱݴΘΕΔ

7. ཧ૝ͷॲཧखॱ

8. App ཧ૝ਤ

9. ܭଌɾ਍அॲཧ App ཧ૝ਤ instrumented code swiftc -fprofile-instr-generate

10. Code Coverage Runtime Library ܭଌɾ਍அॲཧ App ཧ૝ਤ instrumented code env

    swiftc -fprofile-instr-generate

11. Code Coverage Runtime Library ܭଌɾ਍அॲཧ App ཧ૝ਤ instrumented code env

    linker -fprofile-instr-generate swiftc -fprofile-instr-generate

12. ݱ࣮

13. Code Coverage Runtime Library ܭଌɾ਍அॲཧ App ݱ࣮ਤ instrumented code env

    linker swiftc -fprofile-instr-generate ❌

14. Code Coverage Runtime Library ܭଌɾ਍அॲཧ App ݱ࣮ਤ instrumented code env

    linker swiftc -fprofile-instr-generate ❌ -fprofile-instr-generate ͕దԠ͞Ε͍ͯͳ͍

15. Code Coverage Runtime Library ܭଌɾ਍அॲཧ App ݱ࣮ਤ instrumented code env

    linker swiftc -fprofile-instr-generate ❌ -fprofile-instr-generate ͕దԠ͞Ε͍ͯͳ͍ ͜ͷݱ৅͕ XcodePreviews ༻ͷϏϧυ࣌ʹൃੜ͢Δ

16. ݁࿦

17. Xcode Bug ※ ͓ͦΒ͘

18. ֶͼ

19. ֶͼ ɾͦ΋ͦ΋ΧόϨοδͷৗ࣌༗ޮ͸ΑΖ͘͠ͳ͍ ɾCI ͰΧόϨοδΛऔಘ͢Δͱ͖ͷΈ༗ޮʹ͢Δ ࠓճͷ໰୊ʹରͯ͠ΞυόΠε͍͍ͯͨͩͨ͠օ͞Μɺ ͋Γ͕ͱ͏͍͟͝·͢ʂ

20. Thank you !!