2004-05-13-DontUnrollTooMuch.ll 427 B

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  1. ; RUN: opt < %s -loop-unroll -disable-output
  2. define i32 @main() {
  3. entry:
  4. br label %no_exit
  5. no_exit: ; preds = %no_exit, %entry
  6. %indvar = phi i32 [ 0, %entry ], [ %indvar.next, %no_exit ] ; <i32> [#uses=1]
  7. %indvar.next = add i32 %indvar, 1 ; <i32> [#uses=2]
  8. %exitcond = icmp ne i32 %indvar.next, -2147483648 ; <i1> [#uses=1]
  9. br i1 %exitcond, label %no_exit, label %loopexit
  10. loopexit: ; preds = %no_exit
  11. ret i32 0
  12. }