; 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 }
%struct.cmc_alloc_node = type { ptr, 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
declare dso_local zeroext i1 @ll0_pop_front(ptr noundef) #1

; Function Attrs: nounwind uwtable
define dso_local zeroext i1 @ll0_pop_at(ptr noundef %0, i64 noundef %1) #1 {
  %3 = alloca i1, align 1
  %4 = alloca ptr, align 8
  %5 = alloca i64, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i64 %1, ptr %5, align 8, !tbaa !9
  %8 = load ptr, ptr %4, align 8, !tbaa !5
  %9 = call zeroext i1 @ll0_empty(ptr noundef %8)
  br i1 %9, label %10, label %13

10:                                               ; preds = %2
  %11 = load ptr, ptr %4, align 8, !tbaa !5
  %12 = getelementptr inbounds %struct.linkedlist0, ptr %11, i32 0, i32 3
  store i32 2, ptr %12, align 8, !tbaa !11
  store i1 false, ptr %3, align 1
  br label %74

13:                                               ; preds = %2
  %14 = load i64, ptr %5, align 8, !tbaa !9
  %15 = load ptr, ptr %4, align 8, !tbaa !5
  %16 = getelementptr inbounds %struct.linkedlist0, ptr %15, i32 0, i32 2
  %17 = load i64, ptr %16, align 8, !tbaa !14
  %18 = icmp uge i64 %14, %17
  br i1 %18, label %19, label %22

19:                                               ; preds = %13
  %20 = load ptr, ptr %4, align 8, !tbaa !5
  %21 = getelementptr inbounds %struct.linkedlist0, ptr %20, i32 0, i32 3
  store i32 5, ptr %21, align 8, !tbaa !11
  store i1 false, ptr %3, align 1
  br label %74

22:                                               ; preds = %13
  %23 = load i64, ptr %5, align 8, !tbaa !9
  %24 = icmp eq i64 %23, 0
  br i1 %24, label %25, label %28

25:                                               ; preds = %22
  %26 = load ptr, ptr %4, align 8, !tbaa !5
  %27 = call zeroext i1 @ll0_pop_front(ptr noundef %26)
  store i1 %27, ptr %3, align 1
  br label %74

28:                                               ; preds = %22
  %29 = load i64, ptr %5, align 8, !tbaa !9
  %30 = load ptr, ptr %4, align 8, !tbaa !5
  %31 = getelementptr inbounds %struct.linkedlist0, ptr %30, i32 0, i32 2
  %32 = load i64, ptr %31, align 8, !tbaa !14
  %33 = sub i64 %32, 1
  %34 = icmp eq i64 %29, %33
  br i1 %34, label %35, label %38

35:                                               ; preds = %28
  %36 = load ptr, ptr %4, align 8, !tbaa !5
  %37 = call zeroext i1 @ll0_pop_back(ptr noundef %36)
  store i1 %37, ptr %3, align 1
  br label %74

38:                                               ; preds = %28
  br label %39

39:                                               ; preds = %38
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #2
  %40 = load ptr, ptr %4, align 8, !tbaa !5
  %41 = load i64, ptr %5, align 8, !tbaa !9
  %42 = call ptr @ll0_impl_get_node(ptr noundef %40, i64 noundef %41)
  store ptr %42, ptr %6, align 8, !tbaa !5
  %43 = load ptr, ptr %6, align 8, !tbaa !5
  %44 = icmp ne ptr %43, null
  br i1 %44, label %46, label %45

45:                                               ; preds = %39
  store i1 false, ptr %3, align 1
  store i32 1, ptr %7, align 4
  br label %73

46:                                               ; preds = %39
  %47 = load ptr, ptr %6, align 8, !tbaa !5
  %48 = getelementptr inbounds %struct.linkedlist0_node, ptr %47, i32 0, i32 2
  %49 = load ptr, ptr %48, align 8, !tbaa !15
  %50 = load ptr, ptr %6, align 8, !tbaa !5
  %51 = getelementptr inbounds %struct.linkedlist0_node, ptr %50, i32 0, i32 1
  %52 = load ptr, ptr %51, align 8, !tbaa !17
  %53 = getelementptr inbounds %struct.linkedlist0_node, ptr %52, i32 0, i32 2
  store ptr %49, ptr %53, align 8, !tbaa !15
  %54 = load ptr, ptr %6, align 8, !tbaa !5
  %55 = getelementptr inbounds %struct.linkedlist0_node, ptr %54, i32 0, i32 1
  %56 = load ptr, ptr %55, align 8, !tbaa !17
  %57 = load ptr, ptr %6, align 8, !tbaa !5
  %58 = getelementptr inbounds %struct.linkedlist0_node, ptr %57, i32 0, i32 2
  %59 = load ptr, ptr %58, align 8, !tbaa !15
  %60 = getelementptr inbounds %struct.linkedlist0_node, ptr %59, i32 0, i32 1
  store ptr %56, ptr %60, align 8, !tbaa !17
  %61 = load ptr, ptr %4, align 8, !tbaa !5
  %62 = getelementptr inbounds %struct.linkedlist0, ptr %61, i32 0, i32 5
  %63 = load ptr, ptr %62, align 8, !tbaa !18
  %64 = getelementptr inbounds %struct.cmc_alloc_node, ptr %63, i32 0, i32 3
  %65 = load ptr, ptr %64, align 8, !tbaa !19
  %66 = load ptr, ptr %6, align 8, !tbaa !5
  call void %65(ptr noundef %66)
  %67 = load ptr, ptr %4, align 8, !tbaa !5
  %68 = getelementptr inbounds %struct.linkedlist0, ptr %67, i32 0, i32 2
  %69 = load i64, ptr %68, align 8, !tbaa !14
  %70 = add i64 %69, -1
  store i64 %70, ptr %68, align 8, !tbaa !14
  %71 = load ptr, ptr %4, align 8, !tbaa !5
  %72 = getelementptr inbounds %struct.linkedlist0, ptr %71, i32 0, i32 3
  store i32 0, ptr %72, align 8, !tbaa !11
  store i1 true, ptr %3, align 1
  store i32 1, ptr %7, align 4
  br label %73

73:                                               ; preds = %46, %45
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #2
  br label %74

74:                                               ; preds = %73, %35, %25, %19, %10
  %75 = load i1, ptr %3, align 1
  ret i1 %75
}

; Function Attrs: nounwind uwtable
declare dso_local zeroext i1 @ll0_pop_back(ptr noundef) #1

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 16}
!16 = !{!"linkedlist0_node", !6, i64 0, !6, i64 8, !6, i64 16}
!17 = !{!16, !6, i64 8}
!18 = !{!12, !6, i64 40}
!19 = !{!20, !6, i64 24}
!20 = !{!"cmc_alloc_node", !6, i64 0, !6, i64 8, !6, i64 16, !6, 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 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
declare dso_local zeroext i1 @ll0_pop_front(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local zeroext i1 @ll0_pop_at(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 %36

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 %36

11:                                               ; preds = %6
  %12 = icmp eq i64 %1, 0
  br i1 %12, label %13, label %15

13:                                               ; preds = %11
  %14 = tail call zeroext i1 @ll0_pop_front(ptr noundef nonnull %0)
  br label %36

15:                                               ; preds = %11
  %16 = add i64 %8, -1
  %17 = icmp eq i64 %16, %1
  br i1 %17, label %18, label %20

18:                                               ; preds = %15
  %19 = tail call zeroext i1 @ll0_pop_back(ptr noundef nonnull %0)
  br label %36

20:                                               ; preds = %15
  %21 = tail call ptr @ll0_impl_get_node(ptr noundef nonnull %0, i64 noundef %1)
  %.not24.not = icmp eq ptr %21, null
  br i1 %.not24.not, label %36, label %22

22:                                               ; preds = %20
  %23 = getelementptr inbounds i8, ptr %21, i64 16
  %24 = load ptr, ptr %23, align 8, !tbaa !13
  %25 = getelementptr inbounds i8, ptr %21, i64 8
  %26 = load ptr, ptr %25, align 8, !tbaa !15
  %27 = getelementptr inbounds i8, ptr %26, i64 16
  store ptr %24, ptr %27, align 8, !tbaa !13
  %28 = getelementptr inbounds i8, ptr %24, i64 8
  store ptr %26, ptr %28, align 8, !tbaa !15
  %29 = getelementptr inbounds i8, ptr %0, i64 40
  %30 = load ptr, ptr %29, align 8, !tbaa !16
  %31 = getelementptr inbounds i8, ptr %30, i64 24
  %32 = load ptr, ptr %31, align 8, !tbaa !17
  tail call void %32(ptr noundef nonnull %21) #1
  %33 = load i64, ptr %7, align 8, !tbaa !12
  %34 = add i64 %33, -1
  store i64 %34, ptr %7, align 8, !tbaa !12
  %35 = getelementptr inbounds i8, ptr %0, i64 24
  store i32 0, ptr %35, align 8, !tbaa !5
  br label %36

36:                                               ; preds = %22, %20, %18, %13, %9, %4
  %.1 = phi i1 [ false, %4 ], [ false, %9 ], [ %14, %13 ], [ %19, %18 ], [ false, %20 ], [ true, %22 ]
  ret i1 %.1
}

; Function Attrs: nounwind uwtable
declare dso_local zeroext i1 @ll0_pop_back(ptr noundef) local_unnamed_addr #0

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 = { 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, !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 16}
!14 = !{!"linkedlist0_node", !7, i64 0, !7, i64 8, !7, i64 16}
!15 = !{!14, !7, i64 8}
!16 = !{!6, !7, i64 40}
!17 = !{!18, !7, i64 24}
!18 = !{!"cmc_alloc_node", !7, i64 0, !7, i64 8, !7, i64 16, !7, i64 24}


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