; LLVM IR from eugenebokhan/awesome-ml :: Awesome ML/Utils/Zip/minizip (zip)

; 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.zlib_filefunc64_32_def_s = type { %struct.zlib_filefunc64_def_s, ptr, ptr, ptr, ptr }
%struct.zlib_filefunc64_def_s = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr }

; Function Attrs: nounwind uwtable
declare dso_local ptr @zipOpen4(ptr noundef, i32 noundef, i64 noundef, ptr noundef, ptr 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 nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #2

; 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
define dso_local ptr @zipOpen3_64(ptr noundef %0, i32 noundef %1, i64 noundef %2, ptr noundef %3, ptr noundef %4) #0 {
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca i64, align 8
  %10 = alloca ptr, align 8
  %11 = alloca ptr, align 8
  %12 = alloca %struct.zlib_filefunc64_32_def_s, align 8
  store ptr %0, ptr %7, align 8, !tbaa !5
  store i32 %1, ptr %8, align 4, !tbaa !9
  store i64 %2, ptr %9, align 8, !tbaa !11
  store ptr %3, ptr %10, align 8, !tbaa !5
  store ptr %4, ptr %11, align 8, !tbaa !5
  %13 = load ptr, ptr %11, align 8, !tbaa !5
  %14 = icmp ne ptr %13, null
  br i1 %14, label %15, label %25

15:                                               ; preds = %5
  call void @llvm.lifetime.start.p0(i64 104, ptr %12) #3
  %16 = getelementptr inbounds %struct.zlib_filefunc64_32_def_s, ptr %12, i32 0, i32 0
  %17 = load ptr, ptr %11, align 8, !tbaa !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %16, ptr align 8 %17, i64 72, i1 false), !tbaa.struct !13
  %18 = getelementptr inbounds %struct.zlib_filefunc64_32_def_s, ptr %12, i32 0, i32 3
  store ptr null, ptr %18, align 8, !tbaa !14
  %19 = getelementptr inbounds %struct.zlib_filefunc64_32_def_s, ptr %12, i32 0, i32 4
  store ptr null, ptr %19, align 8, !tbaa !17
  %20 = load ptr, ptr %7, align 8, !tbaa !5
  %21 = load i32, ptr %8, align 4, !tbaa !9
  %22 = load i64, ptr %9, align 8, !tbaa !11
  %23 = load ptr, ptr %10, align 8, !tbaa !5
  %24 = call ptr @zipOpen4(ptr noundef %20, i32 noundef %21, i64 noundef %22, ptr noundef %23, ptr noundef %12)
  store ptr %24, ptr %6, align 8
  call void @llvm.lifetime.end.p0(i64 104, ptr %12) #3
  br label %31

25:                                               ; preds = %5
  %26 = load ptr, ptr %7, align 8, !tbaa !5
  %27 = load i32, ptr %8, align 4, !tbaa !9
  %28 = load i64, ptr %9, align 8, !tbaa !11
  %29 = load ptr, ptr %10, align 8, !tbaa !5
  %30 = call ptr @zipOpen4(ptr noundef %26, i32 noundef %27, i64 noundef %28, ptr noundef %29, ptr noundef null)
  store ptr %30, ptr %6, align 8
  br label %31

31:                                               ; preds = %25, %15
  %32 = load ptr, ptr %6, align 8
  ret ptr %32
}

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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 = !{!"int", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"long long", !7, i64 0}
!13 = !{i64 0, i64 8, !5, i64 8, i64 8, !5, i64 16, i64 8, !5, i64 24, i64 8, !5, i64 32, i64 8, !5, i64 40, i64 8, !5, i64 48, i64 8, !5, i64 56, i64 8, !5, i64 64, i64 8, !5}
!14 = !{!15, !6, i64 88}
!15 = !{!"zlib_filefunc64_32_def_s", !16, i64 0, !6, i64 72, !6, i64 80, !6, i64 88, !6, i64 96}
!16 = !{!"zlib_filefunc64_def_s", !6, i64 0, !6, i64 8, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40, !6, i64 48, !6, i64 56, !6, i64 64}
!17 = !{!15, !6, i64 96}


; 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"

%struct.zlib_filefunc64_32_def_s = type { %struct.zlib_filefunc64_def_s, ptr, ptr, ptr, ptr }
%struct.zlib_filefunc64_def_s = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr }

; Function Attrs: nounwind uwtable
declare dso_local ptr @zipOpen4(ptr noundef, i32 noundef, i64 noundef, ptr noundef, ptr 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 nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #2

; 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
define dso_local ptr @zipOpen3_64(ptr noundef %0, i32 noundef %1, i64 noundef %2, ptr noundef %3, ptr noundef readonly %4) local_unnamed_addr #0 {
  %6 = alloca %struct.zlib_filefunc64_32_def_s, align 8
  %.not = icmp eq ptr %4, null
  br i1 %.not, label %10, label %7

7:                                                ; preds = %5
  call void @llvm.lifetime.start.p0(i64 104, ptr nonnull %6) #4
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 8 dereferenceable(72) %6, ptr noundef nonnull align 8 dereferenceable(72) %4, i64 72, i1 false), !tbaa.struct !5
  %8 = getelementptr inbounds i8, ptr %6, i64 88
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %8, i8 0, i64 16, i1 false)
  %9 = call ptr @zipOpen4(ptr noundef %0, i32 noundef %1, i64 noundef %2, ptr noundef %3, ptr noundef nonnull %6)
  call void @llvm.lifetime.end.p0(i64 104, ptr nonnull %6) #4
  br label %12

10:                                               ; preds = %5
  %11 = tail call ptr @zipOpen4(ptr noundef %0, i32 noundef %1, i64 noundef %2, ptr noundef %3, ptr noundef null)
  br label %12

12:                                               ; preds = %10, %7
  %.0 = phi ptr [ %9, %7 ], [ %11, %10 ]
  ret ptr %.0
}

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #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 nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { nocallback nofree nounwind willreturn memory(argmem: write) }
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 = !{i64 0, i64 8, !6, i64 8, i64 8, !6, i64 16, i64 8, !6, i64 24, i64 8, !6, i64 32, i64 8, !6, i64 40, i64 8, !6, i64 48, i64 8, !6, i64 56, i64 8, !6, i64 64, i64 8, !6}
!6 = !{!7, !7, i64 0}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}


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