; 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 ptr @ll0_impl_new_node(ptr noundef, ptr noundef) #1

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

; Function Attrs: nounwind uwtable
define dso_local zeroext i1 @ll0_push_back(ptr noundef %0, ptr noundef %1) #1 {
  %3 = alloca i1, align 1
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #2
  %8 = load ptr, ptr %4, align 8, !tbaa !5
  %9 = load ptr, ptr %5, align 8, !tbaa !5
  %10 = call ptr @ll0_impl_new_node(ptr noundef %8, ptr noundef %9)
  store ptr %10, ptr %6, align 8, !tbaa !5
  %11 = load ptr, ptr %6, align 8, !tbaa !5
  %12 = icmp ne ptr %11, null
  br i1 %12, label %14, label %13

13:                                               ; preds = %2
  store i1 false, ptr %3, align 1
  store i32 1, ptr %7, align 4
  br label %45

14:                                               ; preds = %2
  %15 = load ptr, ptr %4, align 8, !tbaa !5
  %16 = call zeroext i1 @ll0_empty(ptr noundef %15)
  br i1 %16, label %17, label %24

17:                                               ; preds = %14
  %18 = load ptr, ptr %6, align 8, !tbaa !5
  %19 = load ptr, ptr %4, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.linkedlist0, ptr %19, i32 0, i32 0
  store ptr %18, ptr %20, align 8, !tbaa !9
  %21 = load ptr, ptr %6, align 8, !tbaa !5
  %22 = load ptr, ptr %4, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.linkedlist0, ptr %22, i32 0, i32 1
  store ptr %21, ptr %23, align 8, !tbaa !13
  br label %38

24:                                               ; preds = %14
  %25 = load ptr, ptr %4, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct.linkedlist0, ptr %25, i32 0, i32 1
  %27 = load ptr, ptr %26, align 8, !tbaa !13
  %28 = load ptr, ptr %6, align 8, !tbaa !5
  %29 = getelementptr inbounds %struct.linkedlist0_node, ptr %28, i32 0, i32 2
  store ptr %27, ptr %29, align 8, !tbaa !14
  %30 = load ptr, ptr %6, align 8, !tbaa !5
  %31 = load ptr, ptr %4, align 8, !tbaa !5
  %32 = getelementptr inbounds %struct.linkedlist0, ptr %31, i32 0, i32 1
  %33 = load ptr, ptr %32, align 8, !tbaa !13
  %34 = getelementptr inbounds %struct.linkedlist0_node, ptr %33, i32 0, i32 1
  store ptr %30, ptr %34, align 8, !tbaa !16
  %35 = load ptr, ptr %6, align 8, !tbaa !5
  %36 = load ptr, ptr %4, align 8, !tbaa !5
  %37 = getelementptr inbounds %struct.linkedlist0, ptr %36, i32 0, i32 1
  store ptr %35, ptr %37, align 8, !tbaa !13
  br label %38

38:                                               ; preds = %24, %17
  %39 = load ptr, ptr %4, align 8, !tbaa !5
  %40 = getelementptr inbounds %struct.linkedlist0, ptr %39, i32 0, i32 2
  %41 = load i64, ptr %40, align 8, !tbaa !17
  %42 = add i64 %41, 1
  store i64 %42, ptr %40, align 8, !tbaa !17
  %43 = load ptr, ptr %4, align 8, !tbaa !5
  %44 = getelementptr inbounds %struct.linkedlist0, ptr %43, i32 0, i32 3
  store i32 0, ptr %44, align 8, !tbaa !18
  store i1 true, ptr %3, align 1
  store i32 1, ptr %7, align 4
  br label %45

45:                                               ; preds = %38, %13
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #2
  %46 = load i1, ptr %3, align 1
  ret i1 %46
}

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, !6, i64 0}
!10 = !{!"linkedlist0", !6, i64 0, !6, i64 8, !11, i64 16, !12, i64 24, !6, i64 32, !6, i64 40}
!11 = !{!"long", !7, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!10, !6, i64 8}
!14 = !{!15, !6, i64 16}
!15 = !{!"linkedlist0_node", !6, i64 0, !6, i64 8, !6, i64 16}
!16 = !{!15, !6, i64 8}
!17 = !{!10, !11, i64 16}
!18 = !{!10, !12, i64 24}


; 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 ptr @ll0_impl_new_node(ptr noundef, ptr noundef) local_unnamed_addr #0

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

; Function Attrs: nounwind uwtable
define dso_local noundef zeroext i1 @ll0_push_back(ptr noundef %0, ptr noundef %1) local_unnamed_addr #0 {
  %3 = tail call ptr @ll0_impl_new_node(ptr noundef %0, ptr noundef %1)
  %.not = icmp ne ptr %3, null
  br i1 %.not, label %4, label %18

4:                                                ; preds = %2
  %5 = tail call zeroext i1 @ll0_empty(ptr noundef %0)
  br i1 %5, label %6, label %8

6:                                                ; preds = %4
  store ptr %3, ptr %0, align 8, !tbaa !5
  %7 = getelementptr inbounds i8, ptr %0, i64 8
  br label %13

8:                                                ; preds = %4
  %9 = getelementptr inbounds i8, ptr %0, i64 8
  %10 = load ptr, ptr %9, align 8, !tbaa !12
  %11 = getelementptr inbounds i8, ptr %3, i64 16
  store ptr %10, ptr %11, align 8, !tbaa !13
  %12 = getelementptr inbounds i8, ptr %10, i64 8
  store ptr %3, ptr %12, align 8, !tbaa !15
  br label %13

13:                                               ; preds = %8, %6
  %.sink = phi ptr [ %9, %8 ], [ %7, %6 ]
  store ptr %3, ptr %.sink, align 8, !tbaa !12
  %14 = getelementptr inbounds i8, ptr %0, i64 16
  %15 = load i64, ptr %14, align 8, !tbaa !16
  %16 = add i64 %15, 1
  store i64 %16, ptr %14, align 8, !tbaa !16
  %17 = getelementptr inbounds i8, ptr %0, i64 24
  store i32 0, ptr %17, align 8, !tbaa !17
  br label %18

18:                                               ; preds = %2, %13
  ret i1 %.not
}

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, !7, i64 0}
!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, !7, i64 8}
!13 = !{!14, !7, i64 16}
!14 = !{!"linkedlist0_node", !7, i64 0, !7, i64 8, !7, i64 16}
!15 = !{!14, !7, i64 8}
!16 = !{!6, !10, i64 16}
!17 = !{!6, !11, i64 24}


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