; LLVM IR from MostafaTwfiq/C-DataStructures-And-Algorithms :: Unit Test/Tests/DataStructuresTests/LinkedListsTest/DoublyLinkedListTest (testDoublyLinkedListAddAtIndex)

; 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"

%struct.ErrorTestStruct = type { i32 }
%struct.DoublyLinkedList = type { ptr, ptr, i32, ptr, ptr }

@.str = external hidden unnamed_addr constant [174 x i8], align 1
@ERROR_TEST = external dso_local global ptr, align 8

; Function Attrs: nounwind uwtable
declare dso_local ptr @generateIntPointerDLLT(i32 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: nounwind uwtable
declare dso_local i32 @compareIntPointersDLLT(ptr noundef, ptr noundef) #0

; Function Attrs: nounwind
declare void @free(ptr noundef) #2

declare ptr @doublyLinkedListInitialization(ptr noundef, ptr noundef) #3

declare void @CuAssertIntEquals_LineMsg(ptr noundef, ptr noundef, i32 noundef, ptr noundef, i32 noundef, i32 noundef) #3

declare void @destroyDoublyLinkedList(ptr noundef) #3

declare ptr @doublyLinkedListGet(ptr noundef, i32 noundef) #3

declare void @doublyLinkedListAddLast(ptr noundef, ptr noundef) #3

; Function Attrs: nounwind uwtable
define dso_local void @testDoublyLinkedListAddAtIndex(ptr noundef %0) #0 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #4
  %6 = call ptr @doublyLinkedListInitialization(ptr noundef @free, ptr noundef @compareIntPointersDLLT)
  store ptr %6, ptr %3, align 8, !tbaa !5
  call void @doublyLinkedListAddAtIndex(ptr noundef null, i32 noundef 0, ptr noundef null)
  %7 = load ptr, ptr %2, align 8, !tbaa !5
  %8 = load ptr, ptr @ERROR_TEST, align 8, !tbaa !5
  %9 = getelementptr inbounds %struct.ErrorTestStruct, ptr %8, i32 0, i32 0
  %10 = load i32, ptr %9, align 4, !tbaa !9
  call void @CuAssertIntEquals_LineMsg(ptr noundef %7, ptr noundef @.str, i32 noundef 143, ptr noundef null, i32 noundef -83386157, i32 noundef %10)
  %11 = load ptr, ptr %3, align 8, !tbaa !5
  call void @doublyLinkedListAddAtIndex(ptr noundef %11, i32 noundef 0, ptr noundef null)
  %12 = load ptr, ptr %2, align 8, !tbaa !5
  %13 = load ptr, ptr @ERROR_TEST, align 8, !tbaa !5
  %14 = getelementptr inbounds %struct.ErrorTestStruct, ptr %13, i32 0, i32 0
  %15 = load i32, ptr %14, align 4, !tbaa !9
  call void @CuAssertIntEquals_LineMsg(ptr noundef %12, ptr noundef @.str, i32 noundef 146, ptr noundef null, i32 noundef -83384987, i32 noundef %15)
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #4
  store i32 10, ptr %4, align 4, !tbaa !12
  %16 = load ptr, ptr %3, align 8, !tbaa !5
  call void @doublyLinkedListAddAtIndex(ptr noundef %16, i32 noundef 0, ptr noundef %4)
  %17 = load ptr, ptr %2, align 8, !tbaa !5
  %18 = load ptr, ptr @ERROR_TEST, align 8, !tbaa !5
  %19 = getelementptr inbounds %struct.ErrorTestStruct, ptr %18, i32 0, i32 0
  %20 = load i32, ptr %19, align 4, !tbaa !9
  call void @CuAssertIntEquals_LineMsg(ptr noundef %17, ptr noundef @.str, i32 noundef 150, ptr noundef null, i32 noundef -83385991, i32 noundef %20)
  %21 = load ptr, ptr %3, align 8, !tbaa !5
  %22 = call ptr @generateIntPointerDLLT(i32 noundef 10)
  call void @doublyLinkedListAddLast(ptr noundef %21, ptr noundef %22)
  %23 = load ptr, ptr %3, align 8, !tbaa !5
  %24 = call ptr @generateIntPointerDLLT(i32 noundef 30)
  call void @doublyLinkedListAddLast(ptr noundef %23, ptr noundef %24)
  %25 = load ptr, ptr %3, align 8, !tbaa !5
  %26 = call ptr @generateIntPointerDLLT(i32 noundef 50)
  call void @doublyLinkedListAddLast(ptr noundef %25, ptr noundef %26)
  %27 = load ptr, ptr %3, align 8, !tbaa !5
  %28 = call ptr @generateIntPointerDLLT(i32 noundef 20)
  call void @doublyLinkedListAddAtIndex(ptr noundef %27, i32 noundef 1, ptr noundef %28)
  %29 = load ptr, ptr %3, align 8, !tbaa !5
  %30 = call ptr @generateIntPointerDLLT(i32 noundef 40)
  call void @doublyLinkedListAddAtIndex(ptr noundef %29, i32 noundef 3, ptr noundef %30)
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #4
  store i32 0, ptr %5, align 4, !tbaa !12
  br label %31

31:                                               ; preds = %47, %1
  %32 = load i32, ptr %5, align 4, !tbaa !12
  %33 = load ptr, ptr %3, align 8, !tbaa !5
  %34 = getelementptr inbounds %struct.DoublyLinkedList, ptr %33, i32 0, i32 2
  %35 = load i32, ptr %34, align 8, !tbaa !13
  %36 = icmp slt i32 %32, %35
  br i1 %36, label %38, label %37

37:                                               ; preds = %31
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  br label %50

38:                                               ; preds = %31
  %39 = load ptr, ptr %2, align 8, !tbaa !5
  %40 = load i32, ptr %5, align 4, !tbaa !12
  %41 = add nsw i32 %40, 1
  %42 = mul nsw i32 %41, 10
  %43 = load ptr, ptr %3, align 8, !tbaa !5
  %44 = load i32, ptr %5, align 4, !tbaa !12
  %45 = call ptr @doublyLinkedListGet(ptr noundef %43, i32 noundef %44)
  %46 = load i32, ptr %45, align 4, !tbaa !12
  call void @CuAssertIntEquals_LineMsg(ptr noundef %39, ptr noundef @.str, i32 noundef 160, ptr noundef null, i32 noundef %42, i32 noundef %46)
  br label %47

47:                                               ; preds = %38
  %48 = load i32, ptr %5, align 4, !tbaa !12
  %49 = add nsw i32 %48, 1
  store i32 %49, ptr %5, align 4, !tbaa !12
  br label %31, !llvm.loop !15

50:                                               ; preds = %37
  %51 = load ptr, ptr %3, align 8, !tbaa !5
  call void @destroyDoublyLinkedList(ptr noundef %51)
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #4
  ret void
}

declare void @doublyLinkedListAddAtIndex(ptr noundef, i32 noundef, ptr noundef) #3

attributes #0 = { 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 = { 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 #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 }

!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/C++ TBAA"}
!9 = !{!10, !11, i64 0}
!10 = !{!"ErrorTestStruct", !11, i64 0}
!11 = !{!"int", !7, i64 0}
!12 = !{!11, !11, i64 0}
!13 = !{!14, !11, i64 16}
!14 = !{!"DoublyLinkedList", !6, i64 0, !6, i64 8, !11, i64 16, !6, i64 24, !6, i64 32}
!15 = distinct !{!15, !16}
!16 = !{!"llvm.loop.mustprogress"}


; 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"

@.str = external hidden unnamed_addr constant [174 x i8], align 1
@ERROR_TEST = external dso_local local_unnamed_addr global ptr, align 8

; Function Attrs: nounwind uwtable
declare dso_local ptr @generateIntPointerDLLT(i32 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: nounwind uwtable
declare dso_local i32 @compareIntPointersDLLT(ptr noundef, ptr noundef) #0

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) #2

declare ptr @doublyLinkedListInitialization(ptr noundef, ptr noundef) local_unnamed_addr #3

declare void @CuAssertIntEquals_LineMsg(ptr noundef, ptr noundef, i32 noundef, ptr noundef, i32 noundef, i32 noundef) local_unnamed_addr #3

declare void @destroyDoublyLinkedList(ptr noundef) local_unnamed_addr #3

declare ptr @doublyLinkedListGet(ptr noundef, i32 noundef) local_unnamed_addr #3

declare void @doublyLinkedListAddLast(ptr noundef, ptr noundef) local_unnamed_addr #3

; Function Attrs: nounwind uwtable
define dso_local void @testDoublyLinkedListAddAtIndex(ptr noundef %0) local_unnamed_addr #0 {
  %2 = alloca i32, align 4
  %3 = tail call ptr @doublyLinkedListInitialization(ptr noundef nonnull @free, ptr noundef nonnull @compareIntPointersDLLT) #4
  tail call void @doublyLinkedListAddAtIndex(ptr noundef null, i32 noundef 0, ptr noundef null) #4
  %4 = load ptr, ptr @ERROR_TEST, align 8, !tbaa !5
  %5 = load i32, ptr %4, align 4, !tbaa !9
  tail call void @CuAssertIntEquals_LineMsg(ptr noundef %0, ptr noundef nonnull @.str, i32 noundef 143, ptr noundef null, i32 noundef -83386157, i32 noundef %5) #4
  tail call void @doublyLinkedListAddAtIndex(ptr noundef %3, i32 noundef 0, ptr noundef null) #4
  %6 = load ptr, ptr @ERROR_TEST, align 8, !tbaa !5
  %7 = load i32, ptr %6, align 4, !tbaa !9
  tail call void @CuAssertIntEquals_LineMsg(ptr noundef %0, ptr noundef nonnull @.str, i32 noundef 146, ptr noundef null, i32 noundef -83384987, i32 noundef %7) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #4
  store i32 10, ptr %2, align 4, !tbaa !12
  call void @doublyLinkedListAddAtIndex(ptr noundef %3, i32 noundef 0, ptr noundef nonnull %2) #4
  %8 = load ptr, ptr @ERROR_TEST, align 8, !tbaa !5
  %9 = load i32, ptr %8, align 4, !tbaa !9
  call void @CuAssertIntEquals_LineMsg(ptr noundef %0, ptr noundef nonnull @.str, i32 noundef 150, ptr noundef null, i32 noundef -83385991, i32 noundef %9) #4
  %10 = call ptr @generateIntPointerDLLT(i32 noundef 10)
  call void @doublyLinkedListAddLast(ptr noundef %3, ptr noundef %10) #4
  %11 = call ptr @generateIntPointerDLLT(i32 noundef 30)
  call void @doublyLinkedListAddLast(ptr noundef %3, ptr noundef %11) #4
  %12 = call ptr @generateIntPointerDLLT(i32 noundef 50)
  call void @doublyLinkedListAddLast(ptr noundef %3, ptr noundef %12) #4
  %13 = call ptr @generateIntPointerDLLT(i32 noundef 20)
  call void @doublyLinkedListAddAtIndex(ptr noundef %3, i32 noundef 1, ptr noundef %13) #4
  %14 = call ptr @generateIntPointerDLLT(i32 noundef 40)
  call void @doublyLinkedListAddAtIndex(ptr noundef %3, i32 noundef 3, ptr noundef %14) #4
  %15 = getelementptr inbounds i8, ptr %3, i64 16
  %16 = load i32, ptr %15, align 8, !tbaa !13
  %17 = icmp sgt i32 %16, 0
  br i1 %17, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %1
  call void @destroyDoublyLinkedList(ptr noundef nonnull %3) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #4
  ret void

.lr.ph:                                           ; preds = %1, %.lr.ph
  %.017 = phi i32 [ %18, %.lr.ph ], [ 0, %1 ]
  %18 = add nuw nsw i32 %.017, 1
  %19 = mul nuw nsw i32 %18, 10
  %20 = call ptr @doublyLinkedListGet(ptr noundef nonnull %3, i32 noundef %.017) #4
  %21 = load i32, ptr %20, align 4, !tbaa !12
  call void @CuAssertIntEquals_LineMsg(ptr noundef %0, ptr noundef nonnull @.str, i32 noundef 160, ptr noundef null, i32 noundef %19, i32 noundef %21) #4
  %22 = load i32, ptr %15, align 8, !tbaa !13
  %23 = icmp slt i32 %18, %22
  br i1 %23, label %.lr.ph, label %._crit_edge, !llvm.loop !15
}

declare void @doublyLinkedListAddAtIndex(ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #3

attributes #0 = { 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 nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite) "alloc-family"="malloc" "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 }

!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/C++ TBAA"}
!9 = !{!10, !11, i64 0}
!10 = !{!"ErrorTestStruct", !11, i64 0}
!11 = !{!"int", !7, i64 0}
!12 = !{!11, !11, i64 0}
!13 = !{!14, !11, i64 16}
!14 = !{!"DoublyLinkedList", !6, i64 0, !6, i64 8, !11, i64 16, !6, i64 24, !6, i64 32}
!15 = distinct !{!15, !16}
!16 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass