scaling_factor_cost_crash.ll 2.4 KB

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  1. ; RUN: opt -loop-reduce %s -S -o - | FileCheck %s
  2. target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f80:128:128-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32-S32"
  3. target triple = "i686-pc-win32"
  4. ; <rdar://problem/14199725> Assertion failed: (CurScaleCost >= 0 && "Legal addressing mode has an illegal cost!")
  5. ; CHECK-LABEL: @scalingFactorCrash(
  6. define void @scalingFactorCrash() {
  7. br i1 undef, label %1, label %24
  8. ; <label>:1 ; preds = %0
  9. br i1 undef, label %2, label %24
  10. ; <label>:2 ; preds = %1
  11. br i1 undef, label %3, label %24
  12. ; <label>:3 ; preds = %2
  13. br i1 undef, label %4, label %24
  14. ; <label>:4 ; preds = %3
  15. br i1 undef, label %24, label %6
  16. ; <label>:5 ; preds = %6
  17. br i1 undef, label %24, label %7
  18. ; <label>:6 ; preds = %6, %4
  19. br i1 undef, label %6, label %5
  20. ; <label>:7 ; preds = %9, %5
  21. br label %8
  22. ; <label>:8 ; preds = %8, %7
  23. br i1 undef, label %9, label %8
  24. ; <label>:9 ; preds = %8
  25. br i1 undef, label %7, label %10
  26. ; <label>:10 ; preds = %9
  27. br i1 undef, label %24, label %11
  28. ; <label>:11 ; preds = %10
  29. br i1 undef, label %15, label %13
  30. ; <label>:12 ; preds = %14
  31. br label %15
  32. ; <label>:13 ; preds = %11
  33. br label %14
  34. ; <label>:14 ; preds = %14, %13
  35. br i1 undef, label %14, label %12
  36. ; <label>:15 ; preds = %12, %11
  37. br i1 undef, label %16, label %24
  38. ; <label>:16 ; preds = %16, %15
  39. %17 = phi i32 [ %21, %16 ], [ undef, %15 ]
  40. %18 = sub i32 %17, 1623127498
  41. %19 = getelementptr inbounds i32, i32* undef, i32 %18
  42. store i32 undef, i32* %19, align 4
  43. %20 = add i32 %17, 1623127499
  44. %21 = add i32 %20, -1623127498
  45. %22 = add i32 %21, -542963121
  46. %23 = icmp ult i32 %22, undef
  47. br i1 undef, label %16, label %24
  48. ; <label>:24 ; preds = %16, %15, %10, %5, %4, %3, %2, %1, %0
  49. ret void
  50. }