; LLVM IR from LeoVen/C-Macro-Collections :: tests (types)

; 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.linkedlist0 = type { ptr, ptr, i64, i32, ptr, ptr }
%struct.linkedlist0_node = type { ptr, ptr, ptr }

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind uwtable
declare dso_local zeroext i1 @ll0_empty(ptr noundef) #1

; Function Attrs: nounwind uwtable
declare dso_local ptr @ll0_impl_get_node(ptr noundef, i64 noundef) #1

; Function Attrs: nounwind uwtable
define dso_local ptr @ll0_get(ptr noundef %0, i64 noundef %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i64, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i64 %1, ptr %5, align 8, !tbaa !9
  %11 = load ptr, ptr %4, align 8, !tbaa !5
  %12 = call zeroext i1 @ll0_empty(ptr noundef %11)
  br i1 %12, label %13, label %17

13:                                               ; preds = %2
  %14 = load ptr, ptr %4, align 8, !tbaa !5
  %15 = getelementptr inbounds %struct.linkedlist0, ptr %14, i32 0, i32 3
  store i32 2, ptr %15, align 8, !tbaa !11
  store ptr null, ptr %6, align 8, !tbaa !5
  %16 = load ptr, ptr %6, align 8, !tbaa !5
  store ptr %16, ptr %3, align 8
  br label %40

17:                                               ; preds = %2
  %18 = load i64, ptr %5, align 8, !tbaa !9
  %19 = load ptr, ptr %4, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.linkedlist0, ptr %19, i32 0, i32 2
  %21 = load i64, ptr %20, align 8, !tbaa !14
  %22 = icmp uge i64 %18, %21
  br i1 %22, label %23, label %27

23:                                               ; preds = %17
  %24 = load ptr, ptr %4, align 8, !tbaa !5
  %25 = getelementptr inbounds %struct.linkedlist0, ptr %24, i32 0, i32 3
  store i32 5, ptr %25, align 8, !tbaa !11
  store ptr null, ptr %7, align 8, !tbaa !5
  %26 = load ptr, ptr %7, align 8, !tbaa !5
  store ptr %26, ptr %3, align 8
  br label %40

27:                                               ; preds = %17
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #2
  %28 = load ptr, ptr %4, align 8, !tbaa !5
  %29 = load i64, ptr %5, align 8, !tbaa !9
  %30 = call ptr @ll0_impl_get_node(ptr noundef %28, i64 noundef %29)
  store ptr %30, ptr %8, align 8, !tbaa !5
  %31 = load ptr, ptr %8, align 8, !tbaa !5
  %32 = icmp eq ptr %31, null
  br i1 %32, label %33, label %35

33:                                               ; preds = %27
  store ptr null, ptr %9, align 8, !tbaa !5
  %34 = load ptr, ptr %9, align 8, !tbaa !5
  store ptr %34, ptr %3, align 8
  store i32 1, ptr %10, align 4
  br label %39

35:                                               ; preds = %27
  %36 = load ptr, ptr %8, align 8, !tbaa !5
  %37 = getelementptr inbounds %struct.linkedlist0_node, ptr %36, i32 0, i32 0
  %38 = load ptr, ptr %37, align 8, !tbaa !15
  store ptr %38, ptr %3, align 8
  store i32 1, ptr %10, align 4
  br label %39

39:                                               ; preds = %35, %33
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #2
  br label %40

40:                                               ; preds = %39, %23, %13
  %41 = load ptr, ptr %3, align 8
  ret ptr %41
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{!12, !13, i64 24}
!12 = !{!"linkedlist0", !6, i64 0, !6, i64 8, !10, i64 16, !13, i64 24, !6, i64 32, !6, i64 40}
!13 = !{!"int", !7, i64 0}
!14 = !{!12, !10, i64 16}
!15 = !{!16, !6, i64 0}
!16 = !{!"linkedlist0_node", !6, i64 0, !6, i64 8, !6, i64 16}


; 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"

; Function Attrs: nounwind uwtable
declare dso_local zeroext i1 @ll0_empty(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local ptr @ll0_impl_get_node(ptr noundef, i64 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local ptr @ll0_get(ptr noundef %0, i64 noundef %1) local_unnamed_addr #0 {
  %3 = tail call zeroext i1 @ll0_empty(ptr noundef %0)
  br i1 %3, label %4, label %6

4:                                                ; preds = %2
  %5 = getelementptr inbounds i8, ptr %0, i64 24
  store i32 2, ptr %5, align 8, !tbaa !5
  br label %16

6:                                                ; preds = %2
  %7 = getelementptr inbounds i8, ptr %0, i64 16
  %8 = load i64, ptr %7, align 8, !tbaa !12
  %.not = icmp ugt i64 %8, %1
  br i1 %.not, label %11, label %9

9:                                                ; preds = %6
  %10 = getelementptr inbounds i8, ptr %0, i64 24
  store i32 5, ptr %10, align 8, !tbaa !5
  br label %16

11:                                               ; preds = %6
  %12 = tail call ptr @ll0_impl_get_node(ptr noundef nonnull %0, i64 noundef %1)
  %13 = icmp eq ptr %12, null
  br i1 %13, label %16, label %14

14:                                               ; preds = %11
  %15 = load ptr, ptr %12, align 8, !tbaa !13
  br label %16

16:                                               ; preds = %14, %11, %9, %4
  %.1 = phi ptr [ null, %4 ], [ null, %9 ], [ %15, %14 ], [ null, %11 ]
  ret ptr %.1
}

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" }

!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, !11, i64 24}
!6 = !{!"linkedlist0", !7, i64 0, !7, i64 8, !10, i64 16, !11, i64 24, !7, i64 32, !7, i64 40}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"long", !8, i64 0}
!11 = !{!"int", !8, i64 0}
!12 = !{!6, !10, i64 16}
!13 = !{!14, !7, i64 0}
!14 = !{!"linkedlist0_node", !7, i64 0, !7, i64 8, !7, i64 16}


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