; LLVM IR from cornell-zhang/rosetta :: BNN/cpp/minizip (ioapi_mem)

; 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.ourmemory_s = type { ptr, i64, i64, i64, i32 }

; 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
define dso_local i64 @fseek_mem_func(ptr noundef %0, ptr noundef %1, i64 noundef %2, i32 noundef %3) #1 {
  %5 = alloca i64, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i64, align 8
  %9 = alloca i32, align 4
  %10 = alloca ptr, align 8
  %11 = alloca i64, align 8
  %12 = alloca i32, align 4
  store ptr %0, ptr %6, align 8, !tbaa !5
  store ptr %1, ptr %7, align 8, !tbaa !5
  store i64 %2, ptr %8, align 8, !tbaa !9
  store i32 %3, ptr %9, align 4, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #2
  %13 = load ptr, ptr %7, align 8, !tbaa !5
  store ptr %13, ptr %10, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #2
  %14 = load i32, ptr %9, align 4, !tbaa !11
  switch i32 %14, label %29 [
    i32 1, label %15
    i32 2, label %21
    i32 0, label %27
  ]

15:                                               ; preds = %4
  %16 = load ptr, ptr %10, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct.ourmemory_s, ptr %16, i32 0, i32 3
  %18 = load i64, ptr %17, align 8, !tbaa !13
  %19 = load i64, ptr %8, align 8, !tbaa !9
  %20 = add i64 %18, %19
  store i64 %20, ptr %11, align 8, !tbaa !9
  br label %30

21:                                               ; preds = %4
  %22 = load ptr, ptr %10, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.ourmemory_s, ptr %22, i32 0, i32 2
  %24 = load i64, ptr %23, align 8, !tbaa !15
  %25 = load i64, ptr %8, align 8, !tbaa !9
  %26 = add i64 %24, %25
  store i64 %26, ptr %11, align 8, !tbaa !9
  br label %30

27:                                               ; preds = %4
  %28 = load i64, ptr %8, align 8, !tbaa !9
  store i64 %28, ptr %11, align 8, !tbaa !9
  br label %30

29:                                               ; preds = %4
  store i64 -1, ptr %5, align 8
  store i32 1, ptr %12, align 4
  br label %41

30:                                               ; preds = %27, %21, %15
  %31 = load i64, ptr %11, align 8, !tbaa !9
  %32 = load ptr, ptr %10, align 8, !tbaa !5
  %33 = getelementptr inbounds %struct.ourmemory_s, ptr %32, i32 0, i32 1
  %34 = load i64, ptr %33, align 8, !tbaa !16
  %35 = icmp ugt i64 %31, %34
  br i1 %35, label %36, label %37

36:                                               ; preds = %30
  store i64 1, ptr %5, align 8
  store i32 1, ptr %12, align 4
  br label %41

37:                                               ; preds = %30
  %38 = load i64, ptr %11, align 8, !tbaa !9
  %39 = load ptr, ptr %10, align 8, !tbaa !5
  %40 = getelementptr inbounds %struct.ourmemory_s, ptr %39, i32 0, i32 3
  store i64 %38, ptr %40, align 8, !tbaa !13
  store i64 0, ptr %5, align 8
  store i32 1, ptr %12, align 4
  br label %41

41:                                               ; preds = %37, %36, %29
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #2
  %42 = load i64, ptr %5, align 8
  ret i64 %42
}

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, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!14, !10, i64 24}
!14 = !{!"ourmemory_s", !6, i64 0, !10, i64 8, !10, i64 16, !10, i64 24, !12, i64 32}
!15 = !{!14, !10, i64 16}
!16 = !{!14, !10, 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"

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) uwtable
define dso_local range(i64 -1, 2) i64 @fseek_mem_func(ptr nocapture noundef readnone %0, ptr nocapture noundef %1, i64 noundef %2, i32 noundef %3) local_unnamed_addr #0 {
  switch i32 %3, label %15 [
    i32 1, label %.sink.split
    i32 2, label %5
    i32 0, label %9
  ]

5:                                                ; preds = %4
  br label %.sink.split

.sink.split:                                      ; preds = %4, %5
  %.sink = phi i64 [ 16, %5 ], [ 24, %4 ]
  %6 = getelementptr inbounds i8, ptr %1, i64 %.sink
  %7 = load i64, ptr %6, align 8, !tbaa !5
  %8 = add i64 %7, %2
  br label %9

9:                                                ; preds = %.sink.split, %4
  %.0 = phi i64 [ %2, %4 ], [ %8, %.sink.split ]
  %10 = getelementptr inbounds i8, ptr %1, i64 8
  %11 = load i64, ptr %10, align 8, !tbaa !9
  %12 = icmp ugt i64 %.0, %11
  br i1 %12, label %15, label %13

13:                                               ; preds = %9
  %14 = getelementptr inbounds i8, ptr %1, i64 24
  store i64 %.0, ptr %14, align 8, !tbaa !13
  br label %15

15:                                               ; preds = %9, %4, %13
  %.011 = phi i64 [ 0, %13 ], [ -1, %4 ], [ 1, %9 ]
  ret i64 %.011
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) 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, !6, i64 0}
!6 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !6, i64 8}
!10 = !{!"ourmemory_s", !11, i64 0, !6, i64 8, !6, i64 16, !6, i64 24, !12, i64 32}
!11 = !{!"any pointer", !7, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!10, !6, i64 24}


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