nested_loops.ll 822 B

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  1. ; REQUIRES: asserts
  2. ; RUN: opt -regions -analyze < %s | FileCheck %s
  3. ; RUN: opt -regions -stats < %s 2>&1 | FileCheck -check-prefix=STAT %s
  4. ; RUN: opt -regions -print-region-style=bb -analyze < %s 2>&1 | FileCheck -check-prefix=BBIT %s
  5. ; RUN: opt -regions -print-region-style=rn -analyze < %s 2>&1 | FileCheck -check-prefix=RNIT %s
  6. define internal fastcc zeroext i8 @handle_compress() nounwind {
  7. entry:
  8. br label %outer
  9. outer:
  10. br label %body
  11. body:
  12. br i1 1, label %exit172, label %end
  13. exit172:
  14. br i1 1, label %end, label %outer
  15. end:
  16. ret i8 1
  17. }
  18. ; CHECK-NOT: =>
  19. ; CHECK: [0] entry => <Function Return>
  20. ; CHECK-NEXT: [1] outer => end
  21. ; STAT: 2 region - The # of regions
  22. ; BBIT: entry, outer, body, exit172, end,
  23. ; BBIT: outer, body, exit172,
  24. ; RNIT: entry, outer => end, end,
  25. ; RNIT: outer, body, exit172,