2006-06-27-DeadSwitchCase.ll 770 B

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  1. ; RUN: opt < %s -loop-unswitch -disable-output
  2. define void @init_caller_save() {
  3. entry:
  4. br label %cond_true78
  5. cond_next20: ; preds = %cond_true64
  6. br label %bb31
  7. bb31: ; preds = %cond_true64, %cond_true64, %cond_next20
  8. %iftmp.29.1 = phi i32 [ 0, %cond_next20 ], [ 0, %cond_true64 ], [ 0, %cond_true64 ] ; <i32> [#uses=0]
  9. br label %bb54
  10. bb54: ; preds = %cond_true78, %bb31
  11. br i1 false, label %bb75, label %cond_true64
  12. cond_true64: ; preds = %bb54
  13. switch i32 %i.0.0, label %cond_next20 [
  14. i32 17, label %bb31
  15. i32 18, label %bb31
  16. ]
  17. bb75: ; preds = %bb54
  18. %tmp74.0 = add i32 %i.0.0, 1 ; <i32> [#uses=1]
  19. br label %cond_true78
  20. cond_true78: ; preds = %bb75, %entry
  21. %i.0.0 = phi i32 [ 0, %entry ], [ %tmp74.0, %bb75 ] ; <i32> [#uses=2]
  22. br label %bb54
  23. }