; LLVM IR from lekkas/c-algorithms :: test/list.ll (ZN27SINGLELIST_FINDMIDDLE3_Test8TestBodyEv)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.testing::AssertionResult" = type { i8, %"class.testing::internal::scoped_ptr" }
%"class.testing::internal::scoped_ptr" = type { ptr }
%"class.testing::Message" = type { %"class.testing::internal::scoped_ptr.0" }
%"class.testing::internal::scoped_ptr.0" = type { ptr }
%"class.testing::internal::AssertHelper" = type { ptr }
%struct.SingleList = type { ptr, %struct.DataOps }
%struct.DataOps = type { ptr, ptr }
%struct.SingleListNode = type { ptr, ptr }

@.str.4 = external hidden unnamed_addr constant [17 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [66 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [2 x i8], align 1
@_ZL5list3 = external hidden global [3 x i32], align 4
@.str.17 = external hidden unnamed_addr constant [49 x i8], align 1
@.str.18 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z10countNodesP10SingleList(ptr noundef) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
declare dso_local noundef ptr @_Z28createSingleListFromIntArrayPii(ptr noundef, i32 noundef) #2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN7testing8internal8EqHelperILb0EE7CompareIiiEENS_15AssertionResultEPKcS6_RKT_RKT0_(ptr dead_on_unwind noalias writable sret(%"class.testing::AssertionResult") align 8, ptr noundef, ptr noundef, ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNK7testing15AssertionResultcvbEv(ptr noundef nonnull align 8 dereferenceable(16)) #0 align 2

declare void @_ZN7testing7MessageC1Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #3

; Function Attrs: mustprogress uwtable
declare dso_local noundef ptr @_ZNK7testing15AssertionResult15failure_messageEv(ptr noundef nonnull align 8 dereferenceable(16)) #2 align 2

declare void @_ZN7testing8internal12AssertHelperC1ENS_14TestPartResult4TypeEPKciS5_(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef, ptr noundef, i32 noundef, ptr noundef) unnamed_addr #3

declare void @_ZNK7testing8internal12AssertHelperaSERKNS_7MessageE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: nounwind
declare void @_ZN7testing8internal12AssertHelperD1Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #4

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN7testing7MessageD2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #5 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN7testing15AssertionResultD2Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN7testing8internal8EqHelperILb1EE7CompareIiiEENS_15AssertionResultEPKcS6_RKT_RKT0_PNS0_8EnableIfIXntsr10is_pointerISA_EE5valueEE4typeE(ptr dead_on_unwind noalias writable sret(%"class.testing::AssertionResult") align 8, ptr noundef, ptr noundef, ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef) #2 align 2

declare void @delSingleList(ptr noundef) #3

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN27SINGLELIST_FINDMIDDLE3_Test8TestBodyEv(ptr noundef nonnull align 8 dereferenceable(16) %0) unnamed_addr #2 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  %4 = alloca %"class.testing::AssertionResult", align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca %"class.testing::Message", align 8
  %10 = alloca %"class.testing::internal::AssertHelper", align 8
  %11 = alloca i32, align 4
  %12 = alloca %"class.testing::AssertionResult", align 8
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  %15 = alloca %"class.testing::Message", align 8
  %16 = alloca %"class.testing::internal::AssertHelper", align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %17 = load ptr, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #6
  %18 = call noundef ptr @_Z28createSingleListFromIntArrayPii(ptr noundef @_ZL5list3, i32 noundef 3)
  store ptr %18, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 16, ptr %4) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #6
  store i32 0, ptr %5, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #6
  %19 = load ptr, ptr %3, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.SingleList, ptr %19, i32 0, i32 1
  %21 = getelementptr inbounds %struct.DataOps, ptr %20, i32 0, i32 0
  %22 = load ptr, ptr %21, align 8, !tbaa !11
  %23 = load ptr, ptr %3, align 8, !tbaa !5
  %24 = call ptr @findMiddle(ptr noundef %23)
  %25 = getelementptr inbounds %struct.SingleListNode, ptr %24, i32 0, i32 0
  %26 = load ptr, ptr %25, align 8, !tbaa !14
  %27 = call noundef i32 %22(ptr noundef %26, ptr noundef getelementptr inbounds ([3 x i32], ptr @_ZL5list3, i64 0, i64 1))
  store i32 %27, ptr %6, align 4, !tbaa !9
  call void @_ZN7testing8internal8EqHelperILb1EE7CompareIiiEENS_15AssertionResultEPKcS6_RKT_RKT0_PNS0_8EnableIfIXntsr10is_pointerISA_EE5valueEE4typeE(ptr dead_on_unwind writable sret(%"class.testing::AssertionResult") align 8 %4, ptr noundef @.str.6, ptr noundef @.str.17, ptr noundef nonnull align 4 dereferenceable(4) %5, ptr noundef nonnull align 4 dereferenceable(4) %6, ptr noundef null)
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  %28 = invoke noundef zeroext i1 @_ZNK7testing15AssertionResultcvbEv(ptr noundef nonnull align 8 dereferenceable(16) %4)
          to label %29 unwind label %31

29:                                               ; preds = %1
  br i1 %28, label %30, label %35

30:                                               ; preds = %29
  br label %55

31:                                               ; preds = %1
  %32 = landingpad { ptr, i32 }
          cleanup
  %33 = extractvalue { ptr, i32 } %32, 0
  store ptr %33, ptr %7, align 8
  %34 = extractvalue { ptr, i32 } %32, 1
  store i32 %34, ptr %8, align 4
  br label %64

35:                                               ; preds = %29
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #6
  invoke void @_ZN7testing7MessageC1Ev(ptr noundef nonnull align 8 dereferenceable(8) %9)
          to label %36 unwind label %41

36:                                               ; preds = %35
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #6
  %37 = invoke noundef ptr @_ZNK7testing15AssertionResult15failure_messageEv(ptr noundef nonnull align 8 dereferenceable(16) %4)
          to label %38 unwind label %45

38:                                               ; preds = %36
  invoke void @_ZN7testing8internal12AssertHelperC1ENS_14TestPartResult4TypeEPKciS5_(ptr noundef nonnull align 8 dereferenceable(8) %10, i32 noundef 2, ptr noundef @.str.5, i32 noundef 92, ptr noundef %37)
          to label %39 unwind label %45

39:                                               ; preds = %38
  invoke void @_ZNK7testing8internal12AssertHelperaSERKNS_7MessageE(ptr noundef nonnull align 8 dereferenceable(8) %10, ptr noundef nonnull align 8 dereferenceable(8) %9)
          to label %40 unwind label %49

40:                                               ; preds = %39
  call void @_ZN7testing8internal12AssertHelperD1Ev(ptr noundef nonnull align 8 dereferenceable(8) %10) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  call void @_ZN7testing7MessageD2Ev(ptr noundef nonnull align 8 dereferenceable(8) %9) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  store i32 1, ptr %11, align 4
  br label %56

41:                                               ; preds = %35
  %42 = landingpad { ptr, i32 }
          cleanup
  %43 = extractvalue { ptr, i32 } %42, 0
  store ptr %43, ptr %7, align 8
  %44 = extractvalue { ptr, i32 } %42, 1
  store i32 %44, ptr %8, align 4
  br label %54

45:                                               ; preds = %38, %36
  %46 = landingpad { ptr, i32 }
          cleanup
  %47 = extractvalue { ptr, i32 } %46, 0
  store ptr %47, ptr %7, align 8
  %48 = extractvalue { ptr, i32 } %46, 1
  store i32 %48, ptr %8, align 4
  br label %53

49:                                               ; preds = %39
  %50 = landingpad { ptr, i32 }
          cleanup
  %51 = extractvalue { ptr, i32 } %50, 0
  store ptr %51, ptr %7, align 8
  %52 = extractvalue { ptr, i32 } %50, 1
  store i32 %52, ptr %8, align 4
  call void @_ZN7testing8internal12AssertHelperD1Ev(ptr noundef nonnull align 8 dereferenceable(8) %10) #6
  br label %53

53:                                               ; preds = %49, %45
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  call void @_ZN7testing7MessageD2Ev(ptr noundef nonnull align 8 dereferenceable(8) %9) #6
  br label %54

54:                                               ; preds = %53, %41
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  br label %64

55:                                               ; preds = %30
  store i32 0, ptr %11, align 4
  br label %56

56:                                               ; preds = %55, %40
  call void @_ZN7testing15AssertionResultD2Ev(ptr noundef nonnull align 8 dereferenceable(16) %4) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr %4) #6
  %57 = load i32, ptr %11, align 4
  switch i32 %57, label %94 [
    i32 0, label %58
  ]

58:                                               ; preds = %56
  call void @llvm.lifetime.start.p0(i64 16, ptr %12) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #6
  store i32 3, ptr %13, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #6
  %59 = load ptr, ptr %3, align 8, !tbaa !5
  %60 = call noundef i32 @_Z10countNodesP10SingleList(ptr noundef %59)
  store i32 %60, ptr %14, align 4, !tbaa !9
  call void @_ZN7testing8internal8EqHelperILb0EE7CompareIiiEENS_15AssertionResultEPKcS6_RKT_RKT0_(ptr dead_on_unwind writable sret(%"class.testing::AssertionResult") align 8 %12, ptr noundef @.str.18, ptr noundef @.str.4, ptr noundef nonnull align 4 dereferenceable(4) %13, ptr noundef nonnull align 4 dereferenceable(4) %14)
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #6
  %61 = invoke noundef zeroext i1 @_ZNK7testing15AssertionResultcvbEv(ptr noundef nonnull align 8 dereferenceable(16) %12)
          to label %62 unwind label %65

62:                                               ; preds = %58
  br i1 %61, label %63, label %69

63:                                               ; preds = %62
  br label %89

64:                                               ; preds = %54, %31
  call void @_ZN7testing15AssertionResultD2Ev(ptr noundef nonnull align 8 dereferenceable(16) %4) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr %4) #6
  br label %98

65:                                               ; preds = %58
  %66 = landingpad { ptr, i32 }
          cleanup
  %67 = extractvalue { ptr, i32 } %66, 0
  store ptr %67, ptr %7, align 8
  %68 = extractvalue { ptr, i32 } %66, 1
  store i32 %68, ptr %8, align 4
  br label %97

69:                                               ; preds = %62
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #6
  invoke void @_ZN7testing7MessageC1Ev(ptr noundef nonnull align 8 dereferenceable(8) %15)
          to label %70 unwind label %75

70:                                               ; preds = %69
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #6
  %71 = invoke noundef ptr @_ZNK7testing15AssertionResult15failure_messageEv(ptr noundef nonnull align 8 dereferenceable(16) %12)
          to label %72 unwind label %79

72:                                               ; preds = %70
  invoke void @_ZN7testing8internal12AssertHelperC1ENS_14TestPartResult4TypeEPKciS5_(ptr noundef nonnull align 8 dereferenceable(8) %16, i32 noundef 2, ptr noundef @.str.5, i32 noundef 93, ptr noundef %71)
          to label %73 unwind label %79

73:                                               ; preds = %72
  invoke void @_ZNK7testing8internal12AssertHelperaSERKNS_7MessageE(ptr noundef nonnull align 8 dereferenceable(8) %16, ptr noundef nonnull align 8 dereferenceable(8) %15)
          to label %74 unwind label %83

74:                                               ; preds = %73
  call void @_ZN7testing8internal12AssertHelperD1Ev(ptr noundef nonnull align 8 dereferenceable(8) %16) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #6
  call void @_ZN7testing7MessageD2Ev(ptr noundef nonnull align 8 dereferenceable(8) %15) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #6
  store i32 1, ptr %11, align 4
  br label %90

75:                                               ; preds = %69
  %76 = landingpad { ptr, i32 }
          cleanup
  %77 = extractvalue { ptr, i32 } %76, 0
  store ptr %77, ptr %7, align 8
  %78 = extractvalue { ptr, i32 } %76, 1
  store i32 %78, ptr %8, align 4
  br label %88

79:                                               ; preds = %72, %70
  %80 = landingpad { ptr, i32 }
          cleanup
  %81 = extractvalue { ptr, i32 } %80, 0
  store ptr %81, ptr %7, align 8
  %82 = extractvalue { ptr, i32 } %80, 1
  store i32 %82, ptr %8, align 4
  br label %87

83:                                               ; preds = %73
  %84 = landingpad { ptr, i32 }
          cleanup
  %85 = extractvalue { ptr, i32 } %84, 0
  store ptr %85, ptr %7, align 8
  %86 = extractvalue { ptr, i32 } %84, 1
  store i32 %86, ptr %8, align 4
  call void @_ZN7testing8internal12AssertHelperD1Ev(ptr noundef nonnull align 8 dereferenceable(8) %16) #6
  br label %87

87:                                               ; preds = %83, %79
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #6
  call void @_ZN7testing7MessageD2Ev(ptr noundef nonnull align 8 dereferenceable(8) %15) #6
  br label %88

88:                                               ; preds = %87, %75
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #6
  br label %97

89:                                               ; preds = %63
  store i32 0, ptr %11, align 4
  br label %90

90:                                               ; preds = %89, %74
  call void @_ZN7testing15AssertionResultD2Ev(ptr noundef nonnull align 8 dereferenceable(16) %12) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr %12) #6
  %91 = load i32, ptr %11, align 4
  switch i32 %91, label %94 [
    i32 0, label %92
  ]

92:                                               ; preds = %90
  %93 = load ptr, ptr %3, align 8, !tbaa !5
  call void @delSingleList(ptr noundef %93)
  store i32 0, ptr %11, align 4
  br label %94

94:                                               ; preds = %92, %90, %56
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  %95 = load i32, ptr %11, align 4
  switch i32 %95, label %104 [
    i32 0, label %96
    i32 1, label %96
  ]

96:                                               ; preds = %94, %94
  ret void

97:                                               ; preds = %88, %65
  call void @_ZN7testing15AssertionResultD2Ev(ptr noundef nonnull align 8 dereferenceable(16) %12) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr %12) #6
  br label %98

98:                                               ; preds = %97, %64
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  br label %99

99:                                               ; preds = %98
  %100 = load ptr, ptr %7, align 8
  %101 = load i32, ptr %8, align 4
  %102 = insertvalue { ptr, i32 } poison, ptr %100, 0
  %103 = insertvalue { ptr, i32 } %102, i32 %101, 1
  resume { ptr, i32 } %103

104:                                              ; preds = %94
  unreachable
}

declare ptr @findMiddle(ptr noundef) #3

attributes #0 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { nounwind "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !6, i64 8}
!12 = !{!"_ZTS10SingleList", !6, i64 0, !13, i64 8}
!13 = !{!"_ZTS7DataOps", !6, i64 0, !6, i64 8}
!14 = !{!15, !6, i64 0}
!15 = !{!"_ZTS14SingleListNode", !6, i64 0, !6, i64 8}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.testing::AssertionResult" = type { i8, %"class.testing::internal::scoped_ptr" }
%"class.testing::internal::scoped_ptr" = type { ptr }
%"class.testing::Message" = type { %"class.testing::internal::scoped_ptr.0" }
%"class.testing::internal::scoped_ptr.0" = type { ptr }
%"class.testing::internal::AssertHelper" = type { ptr }

@.str.4 = external hidden unnamed_addr constant [17 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [66 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [2 x i8], align 1
@_ZL5list3 = external hidden global [3 x i32], align 4
@.str.17 = external hidden unnamed_addr constant [49 x i8], align 1
@.str.18 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z10countNodesP10SingleList(ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
declare dso_local noundef ptr @_Z28createSingleListFromIntArrayPii(ptr noundef, i32 noundef) local_unnamed_addr #2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN7testing8internal8EqHelperILb0EE7CompareIiiEENS_15AssertionResultEPKcS6_RKT_RKT0_(ptr dead_on_unwind noalias writable sret(%"class.testing::AssertionResult") align 8, ptr noundef, ptr noundef, ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNK7testing15AssertionResultcvbEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #0 align 2

declare void @_ZN7testing7MessageC1Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #3

; Function Attrs: mustprogress uwtable
declare dso_local noundef ptr @_ZNK7testing15AssertionResult15failure_messageEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #2 align 2

declare void @_ZN7testing8internal12AssertHelperC1ENS_14TestPartResult4TypeEPKciS5_(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef, ptr noundef, i32 noundef, ptr noundef) unnamed_addr #3

declare void @_ZNK7testing8internal12AssertHelperaSERKNS_7MessageE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3

; Function Attrs: nounwind
declare void @_ZN7testing8internal12AssertHelperD1Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #4

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN7testing7MessageD2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #5 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN7testing15AssertionResultD2Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN7testing8internal8EqHelperILb1EE7CompareIiiEENS_15AssertionResultEPKcS6_RKT_RKT0_PNS0_8EnableIfIXntsr10is_pointerISA_EE5valueEE4typeE(ptr dead_on_unwind noalias writable sret(%"class.testing::AssertionResult") align 8, ptr noundef, ptr noundef, ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef) local_unnamed_addr #2 align 2

declare void @delSingleList(ptr noundef) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN27SINGLELIST_FINDMIDDLE3_Test8TestBodyEv(ptr nocapture noundef nonnull readnone align 8 dereferenceable(16) %0) unnamed_addr #2 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca %"class.testing::AssertionResult", align 8
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca %"class.testing::Message", align 8
  %6 = alloca %"class.testing::internal::AssertHelper", align 8
  %7 = alloca %"class.testing::AssertionResult", align 8
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca %"class.testing::Message", align 8
  %11 = alloca %"class.testing::internal::AssertHelper", align 8
  %12 = tail call noundef ptr @_Z28createSingleListFromIntArrayPii(ptr noundef nonnull @_ZL5list3, i32 noundef 3)
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #6
  store i32 0, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #6
  %13 = getelementptr inbounds i8, ptr %12, i64 8
  %14 = load ptr, ptr %13, align 8, !tbaa !9
  %15 = tail call ptr @findMiddle(ptr noundef %12)
  %16 = load ptr, ptr %15, align 8, !tbaa !13
  %17 = tail call noundef i32 %14(ptr noundef %16, ptr noundef nonnull getelementptr inbounds (i8, ptr @_ZL5list3, i64 4))
  store i32 %17, ptr %4, align 4, !tbaa !5
  call void @_ZN7testing8internal8EqHelperILb1EE7CompareIiiEENS_15AssertionResultEPKcS6_RKT_RKT0_PNS0_8EnableIfIXntsr10is_pointerISA_EE5valueEE4typeE(ptr dead_on_unwind nonnull writable sret(%"class.testing::AssertionResult") align 8 %2, ptr noundef nonnull @.str.6, ptr noundef nonnull @.str.17, ptr noundef nonnull align 4 dereferenceable(4) %3, ptr noundef nonnull align 4 dereferenceable(4) %4, ptr noundef null)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #6
  %18 = call noundef zeroext i1 @_ZNK7testing15AssertionResultcvbEv(ptr noundef nonnull align 8 dereferenceable(16) %2)
  br i1 %18, label %33, label %19

19:                                               ; preds = %1
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #6
  invoke void @_ZN7testing7MessageC1Ev(ptr noundef nonnull align 8 dereferenceable(8) %5)
          to label %20 unwind label %25

20:                                               ; preds = %19
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #6
  %21 = invoke noundef ptr @_ZNK7testing15AssertionResult15failure_messageEv(ptr noundef nonnull align 8 dereferenceable(16) %2)
          to label %22 unwind label %27

22:                                               ; preds = %20
  invoke void @_ZN7testing8internal12AssertHelperC1ENS_14TestPartResult4TypeEPKciS5_(ptr noundef nonnull align 8 dereferenceable(8) %6, i32 noundef 2, ptr noundef nonnull @.str.5, i32 noundef 92, ptr noundef %21)
          to label %23 unwind label %27

23:                                               ; preds = %22
  invoke void @_ZNK7testing8internal12AssertHelperaSERKNS_7MessageE(ptr noundef nonnull align 8 dereferenceable(8) %6, ptr noundef nonnull align 8 dereferenceable(8) %5)
          to label %24 unwind label %29

24:                                               ; preds = %23
  call void @_ZN7testing8internal12AssertHelperD1Ev(ptr noundef nonnull align 8 dereferenceable(8) %6) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #6
  call void @_ZN7testing7MessageD2Ev(ptr noundef nonnull align 8 dereferenceable(8) %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #6
  call void @_ZN7testing15AssertionResultD2Ev(ptr noundef nonnull align 8 dereferenceable(16) %2) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %2) #6
  br label %51

25:                                               ; preds = %19
  %26 = landingpad { ptr, i32 }
          cleanup
  br label %32

27:                                               ; preds = %22, %20
  %28 = landingpad { ptr, i32 }
          cleanup
  br label %31

29:                                               ; preds = %23
  %30 = landingpad { ptr, i32 }
          cleanup
  call void @_ZN7testing8internal12AssertHelperD1Ev(ptr noundef nonnull align 8 dereferenceable(8) %6) #6
  br label %31

31:                                               ; preds = %29, %27
  %.pn = phi { ptr, i32 } [ %30, %29 ], [ %28, %27 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #6
  call void @_ZN7testing7MessageD2Ev(ptr noundef nonnull align 8 dereferenceable(8) %5) #6
  br label %32

32:                                               ; preds = %31, %25
  %.pn.pn = phi { ptr, i32 } [ %.pn, %31 ], [ %26, %25 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #6
  call void @_ZN7testing15AssertionResultD2Ev(ptr noundef nonnull align 8 dereferenceable(16) %2) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %2) #6
  br label %52

33:                                               ; preds = %1
  call void @_ZN7testing15AssertionResultD2Ev(ptr noundef nonnull align 8 dereferenceable(16) %2) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %2) #6
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %7) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %8) #6
  store i32 3, ptr %8, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %9) #6
  %34 = call noundef i32 @_Z10countNodesP10SingleList(ptr noundef nonnull %12)
  store i32 %34, ptr %9, align 4, !tbaa !5
  call void @_ZN7testing8internal8EqHelperILb0EE7CompareIiiEENS_15AssertionResultEPKcS6_RKT_RKT0_(ptr dead_on_unwind nonnull writable sret(%"class.testing::AssertionResult") align 8 %7, ptr noundef nonnull @.str.18, ptr noundef nonnull @.str.4, ptr noundef nonnull align 4 dereferenceable(4) %8, ptr noundef nonnull align 4 dereferenceable(4) %9)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #6
  %35 = call noundef zeroext i1 @_ZNK7testing15AssertionResultcvbEv(ptr noundef nonnull align 8 dereferenceable(16) %7)
  br i1 %35, label %50, label %36

36:                                               ; preds = %33
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %10) #6
  invoke void @_ZN7testing7MessageC1Ev(ptr noundef nonnull align 8 dereferenceable(8) %10)
          to label %37 unwind label %42

37:                                               ; preds = %36
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %11) #6
  %38 = invoke noundef ptr @_ZNK7testing15AssertionResult15failure_messageEv(ptr noundef nonnull align 8 dereferenceable(16) %7)
          to label %39 unwind label %44

39:                                               ; preds = %37
  invoke void @_ZN7testing8internal12AssertHelperC1ENS_14TestPartResult4TypeEPKciS5_(ptr noundef nonnull align 8 dereferenceable(8) %11, i32 noundef 2, ptr noundef nonnull @.str.5, i32 noundef 93, ptr noundef %38)
          to label %40 unwind label %44

40:                                               ; preds = %39
  invoke void @_ZNK7testing8internal12AssertHelperaSERKNS_7MessageE(ptr noundef nonnull align 8 dereferenceable(8) %11, ptr noundef nonnull align 8 dereferenceable(8) %10)
          to label %41 unwind label %46

41:                                               ; preds = %40
  call void @_ZN7testing8internal12AssertHelperD1Ev(ptr noundef nonnull align 8 dereferenceable(8) %11) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #6
  call void @_ZN7testing7MessageD2Ev(ptr noundef nonnull align 8 dereferenceable(8) %10) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #6
  call void @_ZN7testing15AssertionResultD2Ev(ptr noundef nonnull align 8 dereferenceable(16) %7) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %7) #6
  br label %51

42:                                               ; preds = %36
  %43 = landingpad { ptr, i32 }
          cleanup
  br label %49

44:                                               ; preds = %39, %37
  %45 = landingpad { ptr, i32 }
          cleanup
  br label %48

46:                                               ; preds = %40
  %47 = landingpad { ptr, i32 }
          cleanup
  call void @_ZN7testing8internal12AssertHelperD1Ev(ptr noundef nonnull align 8 dereferenceable(8) %11) #6
  br label %48

48:                                               ; preds = %46, %44
  %.pn18 = phi { ptr, i32 } [ %47, %46 ], [ %45, %44 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #6
  call void @_ZN7testing7MessageD2Ev(ptr noundef nonnull align 8 dereferenceable(8) %10) #6
  br label %49

49:                                               ; preds = %48, %42
  %.pn18.pn = phi { ptr, i32 } [ %.pn18, %48 ], [ %43, %42 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #6
  call void @_ZN7testing15AssertionResultD2Ev(ptr noundef nonnull align 8 dereferenceable(16) %7) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %7) #6
  br label %52

50:                                               ; preds = %33
  call void @_ZN7testing15AssertionResultD2Ev(ptr noundef nonnull align 8 dereferenceable(16) %7) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %7) #6
  call void @delSingleList(ptr noundef nonnull %12)
  br label %51

51:                                               ; preds = %41, %24, %50
  ret void

52:                                               ; preds = %49, %32
  %.pn18.pn.pn = phi { ptr, i32 } [ %.pn18.pn, %49 ], [ %.pn.pn, %32 ]
  resume { ptr, i32 } %.pn18.pn.pn
}

declare ptr @findMiddle(ptr noundef) local_unnamed_addr #3

attributes #0 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { nounwind "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !11, i64 8}
!10 = !{!"_ZTS10SingleList", !11, i64 0, !12, i64 8}
!11 = !{!"any pointer", !7, i64 0}
!12 = !{!"_ZTS7DataOps", !11, i64 0, !11, i64 8}
!13 = !{!14, !11, i64 0}
!14 = !{!"_ZTS14SingleListNode", !11, i64 0, !11, i64 8}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass