2004-03-14-DominanceProblem.ll 1.0 KB

123456789101112131415161718192021222324252627282930313233
  1. ; RUN: opt < %s -loop-extract -disable-output
  2. ; This testcase is failing the loop extractor because not all exit blocks
  3. ; are dominated by all of the live-outs.
  4. define i32 @ab(i32 %alpha, i32 %beta) {
  5. entry:
  6. br label %loopentry.1.preheader
  7. loopentry.1.preheader: ; preds = %entry
  8. br label %loopentry.1
  9. loopentry.1: ; preds = %no_exit.1, %loopentry.1.preheader
  10. br i1 false, label %no_exit.1, label %loopexit.0.loopexit1
  11. no_exit.1: ; preds = %loopentry.1
  12. %tmp.53 = load i32, i32* null ; <i32> [#uses=1]
  13. br i1 false, label %shortcirc_next.2, label %loopentry.1
  14. shortcirc_next.2: ; preds = %no_exit.1
  15. %tmp.563 = call i32 @wins( i32 0, i32 %tmp.53, i32 3 ) ; <i32> [#uses=0]
  16. ret i32 0
  17. loopexit.0.loopexit1: ; preds = %loopentry.1
  18. br label %loopexit.0
  19. loopexit.0: ; preds = %loopexit.0.loopexit1
  20. ret i32 0
  21. }
  22. declare i32 @wins(i32, i32, i32)
  23. declare i16 @ab_code()