loop_evaluate9.ll 3.7 KB

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  1. ; RUN: opt < %s -indvars -S > %t
  2. ; RUN: grep "[%]tmp7 = icmp eq i8 -28, -28" %t
  3. ; RUN: grep "[%]tmp8 = icmp eq i8 63, 63" %t
  4. ; PR4477
  5. ; Indvars should compute the exit values in loop.
  6. ;
  7. ; XFAIL: *
  8. ; Indvars does not currently replace loop invariant values unless all
  9. ; loop exits have the same exit value. We could handle some cases,
  10. ; such as this, by making getSCEVAtScope() sensitive to a particular
  11. ; loop exit. See PR11388.
  12. 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"
  13. target triple = "i386-pc-linux-gnu"
  14. %struct.cc70a02__complex_integers__complex_type = type { i8, i8 }
  15. @.str = internal constant [13 x i8] c"fc70a00.adb\00\00", align 1 ; <[13 x i8]*> [#uses=1]
  16. define void @_ada_cc70a02() {
  17. entry:
  18. br label %bb1.i
  19. bb1.i: ; preds = %bb2.i, %entry
  20. %indvar.i = phi i32 [ 0, %entry ], [ %indvar.next.i, %bb2.i ] ; <i32> [#uses=2]
  21. %result.0.i = phi i16 [ 0, %entry ], [ %ins36.i, %bb2.i ] ; <i16> [#uses=2]
  22. %tmp38.i = trunc i16 %result.0.i to i8 ; <i8> [#uses=2]
  23. %tmp = add i8 %tmp38.i, 96 ; <i8> [#uses=1]
  24. %tmp1 = icmp ugt i8 %tmp, -56 ; <i1> [#uses=1]
  25. br i1 %tmp1, label %bb.i.i, label %bb1.i.i
  26. bb.i.i: ; preds = %bb1.i
  27. tail call void @__gnat_rcheck_12(i8* getelementptr ([13 x i8], [13 x i8]* @.str, i32 0, i32 0), i32 24) noreturn
  28. unreachable
  29. bb1.i.i: ; preds = %bb1.i
  30. %tmp41.i = lshr i16 %result.0.i, 8 ; <i16> [#uses=1]
  31. %tmp42.i = trunc i16 %tmp41.i to i8 ; <i8> [#uses=2]
  32. %tmp2 = add i8 %tmp42.i, 109 ; <i8> [#uses=1]
  33. %tmp3 = icmp ugt i8 %tmp2, -56 ; <i1> [#uses=1]
  34. br i1 %tmp3, label %bb2.i.i, label %cc70a02__complex_integers__Oadd.153.exit.i
  35. bb2.i.i: ; preds = %bb1.i.i
  36. tail call void @__gnat_rcheck_12(i8* getelementptr ([13 x i8], [13 x i8]* @.str, i32 0, i32 0), i32 24) noreturn
  37. unreachable
  38. cc70a02__complex_integers__Oadd.153.exit.i: ; preds = %bb1.i.i
  39. %tmp4 = add i8 %tmp38.i, -4 ; <i8> [#uses=2]
  40. %tmp5 = add i8 %tmp42.i, 9 ; <i8> [#uses=2]
  41. %tmp25.i = zext i8 %tmp4 to i16 ; <i16> [#uses=1]
  42. %tmp33.i = zext i8 %tmp5 to i16 ; <i16> [#uses=1]
  43. %tmp34.i = shl i16 %tmp33.i, 8 ; <i16> [#uses=1]
  44. %ins36.i = or i16 %tmp34.i, %tmp25.i ; <i16> [#uses=1]
  45. %tmp6 = icmp eq i32 %indvar.i, 6 ; <i1> [#uses=1]
  46. br i1 %tmp6, label %cc70a02__complex_multiplication.170.exit, label %bb2.i
  47. bb2.i: ; preds = %cc70a02__complex_integers__Oadd.153.exit.i
  48. %indvar.next.i = add i32 %indvar.i, 1 ; <i32> [#uses=1]
  49. br label %bb1.i
  50. cc70a02__complex_multiplication.170.exit: ; preds = %cc70a02__complex_integers__Oadd.153.exit.i
  51. %tmp7 = icmp eq i8 %tmp4, -28 ; <i1> [#uses=1]
  52. %tmp8 = icmp eq i8 %tmp5, 63 ; <i1> [#uses=1]
  53. %or.cond = and i1 %tmp8, %tmp7 ; <i1> [#uses=1]
  54. br i1 %or.cond, label %return, label %bb1
  55. bb1: ; preds = %cc70a02__complex_multiplication.170.exit
  56. tail call void @exit(i32 1)
  57. ret void
  58. return: ; preds = %cc70a02__complex_multiplication.170.exit
  59. ret void
  60. }
  61. declare fastcc void @cc70a02__complex_integers__complex.164(%struct.cc70a02__complex_integers__complex_type* noalias nocapture sret, i8 signext, i8 signext) nounwind
  62. declare fastcc void @cc70a02__complex_integers__Osubtract.149(%struct.cc70a02__complex_integers__complex_type* noalias sret, %struct.cc70a02__complex_integers__complex_type* byval align 4)
  63. declare fastcc void @cc70a02__complex_integers__Oadd.153(%struct.cc70a02__complex_integers__complex_type* noalias sret, %struct.cc70a02__complex_integers__complex_type* byval align 4, %struct.cc70a02__complex_integers__complex_type* byval align 4)
  64. declare fastcc void @cc70a02__complex_multiplication.170(%struct.cc70a02__complex_integers__complex_type* noalias sret, %struct.cc70a02__complex_integers__complex_type* byval align 4)
  65. declare void @__gnat_rcheck_12(i8*, i32) noreturn
  66. declare void @exit(i32)