2011-01-26-UseAfterFree.ll 1.0 KB

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  1. ; RUN: opt < %s -reassociate
  2. ; PR9039
  3. target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32"
  4. target triple = "i386-gnu-linux"
  5. define void @exp_averages_intraday__deviation() {
  6. entry:
  7. %0 = load i32, i32* undef, align 4
  8. %1 = shl i32 %0, 2
  9. %2 = add nsw i32 undef, %1
  10. %3 = add nsw i32 %2, undef
  11. %4 = mul nsw i32 %0, 12
  12. %5 = add nsw i32 %3, %4
  13. %6 = add nsw i32 %5, %4
  14. %7 = add nsw i32 %6, undef
  15. br i1 false, label %"4", label %"12"
  16. "4": ; preds = %entry
  17. br i1 undef, label %"5", label %"8"
  18. "5": ; preds = %"4"
  19. unreachable
  20. "8": ; preds = %"4"
  21. %8 = getelementptr inbounds i8, i8* undef, i32 %6
  22. br i1 undef, label %"13", label %"12"
  23. "12": ; preds = %"8", %entry
  24. ret void
  25. "13": ; preds = %"8"
  26. ret void
  27. }