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

13:                                               ; preds = %3
  store ptr null, ptr %4, align 8
  store i32 1, ptr %9, align 4
  br label %45

14:                                               ; preds = %3
  %15 = load i32, ptr %7, align 4, !tbaa !9
  %16 = and i32 %15, 8
  %17 = icmp ne i32 %16, 0
  br i1 %17, label %18, label %35

18:                                               ; preds = %14
  %19 = load ptr, ptr %8, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.ourmemory_s, ptr %19, i32 0, i32 4
  %21 = load i32, ptr %20, align 8, !tbaa !11
  %22 = icmp ne i32 %21, 0
  br i1 %22, label %23, label %32

23:                                               ; preds = %18
  %24 = load ptr, ptr %8, align 8, !tbaa !5
  %25 = getelementptr inbounds %struct.ourmemory_s, ptr %24, i32 0, i32 1
  store i64 65536, ptr %25, align 8, !tbaa !14
  %26 = load ptr, ptr %8, align 8, !tbaa !5
  %27 = getelementptr inbounds %struct.ourmemory_s, ptr %26, i32 0, i32 1
  %28 = load i64, ptr %27, align 8, !tbaa !14
  %29 = call noalias ptr @malloc(i64 noundef %28) #4
  %30 = load ptr, ptr %8, align 8, !tbaa !5
  %31 = getelementptr inbounds %struct.ourmemory_s, ptr %30, i32 0, i32 0
  store ptr %29, ptr %31, align 8, !tbaa !15
  br label %32

32:                                               ; preds = %23, %18
  %33 = load ptr, ptr %8, align 8, !tbaa !5
  %34 = getelementptr inbounds %struct.ourmemory_s, ptr %33, i32 0, i32 2
  store i64 0, ptr %34, align 8, !tbaa !16
  br label %41

35:                                               ; preds = %14
  %36 = load ptr, ptr %8, align 8, !tbaa !5
  %37 = getelementptr inbounds %struct.ourmemory_s, ptr %36, i32 0, i32 1
  %38 = load i64, ptr %37, align 8, !tbaa !14
  %39 = load ptr, ptr %8, align 8, !tbaa !5
  %40 = getelementptr inbounds %struct.ourmemory_s, ptr %39, i32 0, i32 2
  store i64 %38, ptr %40, align 8, !tbaa !16
  br label %41

41:                                               ; preds = %35, %32
  %42 = load ptr, ptr %8, align 8, !tbaa !5
  %43 = getelementptr inbounds %struct.ourmemory_s, ptr %42, i32 0, i32 3
  store i64 0, ptr %43, align 8, !tbaa !17
  %44 = load ptr, ptr %8, align 8, !tbaa !5
  store ptr %44, ptr %4, align 8
  store i32 1, ptr %9, align 4
  br label %45

45:                                               ; preds = %41, %13
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  %46 = load ptr, ptr %4, align 8
  ret ptr %46
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #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" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nounwind allocsize(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 #3 = { nounwind }
attributes #4 = { nounwind allocsize(0) }

!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, !10, i64 32}
!12 = !{!"ourmemory_s", !6, i64 0, !13, i64 8, !13, i64 16, !13, i64 24, !10, i64 32}
!13 = !{!"long", !7, i64 0}
!14 = !{!12, !13, i64 8}
!15 = !{!12, !6, i64 0}
!16 = !{!12, !13, i64 16}
!17 = !{!12, !13, 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: mustprogress nofree nounwind willreturn memory(argmem: readwrite, inaccessiblemem: readwrite) uwtable
define dso_local noundef ptr @fopen_mem_func(ptr noundef returned %0, ptr nocapture noundef readnone %1, i32 noundef %2) local_unnamed_addr #0 {
  %4 = icmp eq ptr %0, null
  br i1 %4, label %19, label %5

5:                                                ; preds = %3
  %6 = and i32 %2, 8
  %.not = icmp eq i32 %6, 0
  br i1 %.not, label %13, label %7

7:                                                ; preds = %5
  %8 = getelementptr inbounds i8, ptr %0, i64 32
  %9 = load i32, ptr %8, align 8, !tbaa !5
  %.not13 = icmp eq i32 %9, 0
  br i1 %.not13, label %16, label %10

10:                                               ; preds = %7
  %11 = getelementptr inbounds i8, ptr %0, i64 8
  store i64 65536, ptr %11, align 8, !tbaa !12
  %12 = tail call noalias dereferenceable_or_null(65536) ptr @malloc(i64 noundef 65536) #2
  store ptr %12, ptr %0, align 8, !tbaa !13
  br label %16

13:                                               ; preds = %5
  %14 = getelementptr inbounds i8, ptr %0, i64 8
  %15 = load i64, ptr %14, align 8, !tbaa !12
  br label %16

16:                                               ; preds = %7, %10, %13
  %.sink = phi i64 [ %15, %13 ], [ 0, %10 ], [ 0, %7 ]
  %17 = getelementptr inbounds i8, ptr %0, i64 16
  store i64 %.sink, ptr %17, align 8, !tbaa !14
  %18 = getelementptr inbounds i8, ptr %0, i64 24
  store i64 0, ptr %18, align 8, !tbaa !15
  br label %19

19:                                               ; preds = %3, %16
  ret ptr %0
}

; Function Attrs: mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @malloc(i64 noundef) local_unnamed_addr #1

attributes #0 = { mustprogress nofree nounwind willreturn memory(argmem: readwrite, inaccessiblemem: 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" }
attributes #1 = { mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite) "alloc-family"="malloc" "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 allocsize(0) }

!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 32}
!6 = !{!"ourmemory_s", !7, i64 0, !10, i64 8, !10, i64 16, !10, i64 24, !11, i64 32}
!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 8}
!13 = !{!6, !7, i64 0}
!14 = !{!6, !10, i64 16}
!15 = !{!6, !10, i64 24}


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